ELEMENTS PDF

ELEMENTS 01 By the use of a revolving cutter with many 1. Heating above the transformation range, teeth each tooths having a cutting edge which usually 1300oF to 1350oF, and cooling...

ELEMENTS 01 By the use of a revolving cutter with many 1. Heating above the transformation range, teeth each tooths having a cutting edge which usually 1300oF to 1350oF, and cooling slowly removes its share of the stock. to soften the metal and increase in machining A. drilling machine A. annealing B. boring machine B. hardening C. milling machine C. normalizing D. broaching machine D. tempering 8. A machine tool used to sharpen or shape tools 2. Heating above the transformation temperature by using an abrasive wheel. and quenching usually in oil, for the purpose A. tool grinder of increasing the hardness B. shaper A. annealing C. planer B. hardening D. power saw C. normalizing 9. A machine tool used to enlarge a hole by D. tempering means of an adjustable cutting tool with only 3. Reheating to temperature below the one cutting edge. transformation range, followed by any desired A. drilling machine rate of cooling to attain the desired properties B. boring machine PRIME ELEMENTS of the metal. A. annealing C. milling machine D. broaching machine MACHINE DESIGN II B. hardening C. normalizing 10. A machine tool used to cut metal by parts of light, medium, and large sections using a D. stress relieving reciprocating hacksaw blade. 4. Heating to subcritical temperature, about A. tool grinder 1100oF to 1300oF and holding at that B. shaper temperature for a suitable time for the purpose C. planer of reducing internal residual stresses. D. power saw A. annealing 11. A machine tool used to machine flat or plane B. hardening surfaces with a single point cutting tool. C. normalizing A. tool grinder D. stress relieving B. shaper 5. Heating some 100oF above the transformation C. planer range with subsequent cooling to below that D. power saw range in still air at room temperature to 12. A machine tool used for production or flat produce uniform structure of the metal. surfaces on pieces too large or too heavy to A. annealing hold in a shaper. B. hardening A. tool grinder C. normalizing B. shaper D. tempering C. planer 6. A machine tool used for producing holes in D. power saw metal by the use of cutting tool called drill. 13. A machine tool used to finish internal or A. drilling machine external surfaces such as holes or keyways by B. boring machine the use of a cutter called broach, which has a C. milling machine series of cutting edges or teeth. D. broaching machine A. drilling machine 7. A machine tool use to form metal parts by B. boring machine removing metal from a work piece C. milling machine 1  D. broaching machine C. lathe machine C. turning 14. An alloy of copper and tin D. boring machine D. reaming A. brass 21. A machine tool used in the production of flat 28. The operation of making a cone shaped B. bronze surfaces on pieces too large or too heavy or enlargement of the end of a hole, as for a C. iron perhaps too awkward to hold in a shaper recess for a flat head screw D. tin A. shaper A. countersinking 15. An alloy of copper and zinc B. planer B. knurling A. brass C. tool grinder C. squaring B. bronze D. power saw D. perforating C. iron 22. It consist of shaping a piece by bringing it 29. The operation of enlarging a hole by means of D. tin into contact with a rotating abrasive wheel an adjustable cutting tool with only one 16. The process of forming metal parts by the use A. drilling cutting edge of dies after the metal is heated to its plastic B. boring A. drilling range C. grinding B. broaching A. rolling D. broaching C. grinding B. forging 23. A tool used in measuring diameters D. boring C. turning A. caliper 30. An imaginary circle passing through the points D. casting B. nanometer at which the teeth of the meshing gears contact 17. The process of forming a metal parts by the use C. tachometer each other of a powerful pressure from a hammer or press D. pyrometer A. pitch circle to obtain the desired shape after the metal has 24. Used to true align machine tools, fixtures, and B. addendum circle been heated to its plastic range works, to test and inspect trueness of finished C. deddendum circle A. rolling work, and too compare measurement either D. base circle B. forging heights or depths or many other measurement 31. A type of bolt for use in bolting wooden parts C. turning A. dial gauge together or wood to metal,. It has a portion of D. casting B. dial indicator shank just underneath a round head, which is 18. A manganese steel containing approximately C. tachometer designed to keep the bolt from turning in the 0.20% carbon D. speedometer wood when the nut t tightened A. SAE 1320 25. The ability of the metal to be deformed A. u-bolt B. SAE 1230 considerably without rupture B. carriage bolt C. SAE 2340 A. ductility C. eye bolt D. SAE 4230 B. plasticity D. stud bolt 19. A machine tool in which metal removed by C. malleability 32. The number of teeth per inch of pitch means of a revolving cutter with many teeth, D. elasticity diameter and which gives some indications of each tooth having a cutting edge which remove 26. The shop term used to include the marking of the gear teeth its share of the shock inscribing of center points, circle, arcs, or A. module A. milling machine straight line upon metal surfaces, either curved B. pitch circle B. broaching machine or flat, for the guidance of the worker C. diametral pitch C. lathe machine A. shaping D. circular pitch D. boring machine B. hobbing 33. The distance from the center of one tooth of a 20. A metal turning machine in which the work C. laying out gear the center of the next consecutive tooth while revolving on a horizontal axis is acted D. shaping measured of the pitch upon by a cutting tool which is made to move 27. An operation of sizing and finishing a hole by A. circular pitch slowly (feed) in a direction more or less parallel means of a cutting tool having several cutting B. module to the axis of the work (longitudinal feed) edges C. diametral pitch A. milling machine A. notching D. pitch circle B. broaching machine B. piercing 2 34. The portion of the gear tooth that projects steel slowly above the usual hardening D. flute above or outside the pitch circle temperature keeping it at the heat for ½ to 2 48. A set of gages consisting of thin strips of metal A. top relief hours then cooling slowly, preferably in a of various thickness mounted in a steel case or B. deddendum furnace holder and is widely used for measuring and C. addendum A. broaching checking clearances D. tooth space B. quenching A. feeler gage 35. The portion of the gear tooth space that is cut C. normalizing B. depth gage below the pitch circle and is equal to the D. annealing C. line center gage addendum plus the clearance 42. The total permissible variation in the size of a D. lay-out gage A. top root dimension the difference between the limits of 49. A machine tool which is very similar to a B. deddendum size shaper except that the ram reciprocates C. addendum A. allowance vertically rather than horizontally D. top land B. tolerance A. Lathe 36. When meshed with a gear it is used to change C. variance B. Grinder rotary motion to reciprocating motion D. interference C. Planer A. gear shaft 43. The operation of machining the end of a work D. Slotter B. gear tooth piece to make the end square with the axis 50. A machine tool principally to machine flat or C. gear rack A. squaring plane surfaces with single-point cutting tool D. gear motor B. buffing A. Grinder 37. A kind of gears for heavy duty works where a C. lapping B. Shaper large ratio of speed is required and are D. honing C. Planer extensively used in speed reducers 44. The clearance between the tooth profiles of a D. Turret machine A. bevel gear gear tooth 51. A kind of bolts which has no head an instead B. worm gear A. toothspace has threads on both ends C. helical gear B. backslash A. Stud bolts D. spiral gear C. flank B. Acme threaded bolts 38. A kind of gear to transmit motion from one D. width C. Square threaded bolts shaft to another shaft at an angle to the first 45. A mechanism which usually do the indexing in D. Hex bolts A. bevel gear a machine tool 52. A kind of chuck which has a reversible jaws B. worm gear A. slotter which could be adjusted separately C. helical gear B. chuck A. Collet chuck D. spiral gear C. dividing head B. Independent chuck 39. The uniform heating of steel above the usual D. indexer C. Four jaw chuck hardening temperatures, followed by cooling 46. A material that can wear away a substance 53. A tool which when pressed into finished hole freely in air softer than itself in a piece of work, provides centers on which A. annealing A. phenol the piece may be turned or otherwise B. normalizing B. abrasive machined C. hardening C. tungsten A. Mash D. tempering D. chromium B. Butt 40. The operation of cooling a heated piece of 47. A cylindrical bar of steel with threads formed C. Mandrel work rapidly by dipping it in water, brine or oil around it and grooves or flutes running D. Wobble A. quenching lengthwise in it, intersecting with the threads 54. A kind of chuck which should not used where B. tempering to form cutting edges. It is used to cut internal extreme accuracy is required C. normalizing threads A. Collet chuck D. annealing A. groove B. Magnetic chuck 41. A method in softening a piece of metal that is B. lap C. Four jaw chuck too hard to machine and is done by heating C. tap D. Universal chuck 3 55. The process of checking or producing B. Hardening 69. A hand tool used to measure tension on bolts checkers on the surface of a piece by rolling C. Annealing A. Indexer checkered depression into the surface D. Tempering B. Torque wrench A. Knurling 62. Welding operation in which a non-ferrous C. Torsionmeter B. Hemming filler metal melts at a temperature below that D. Tensionmeter C. Breading of the metal joined but is heated above 450oC 70. The permissible variation in the size of a D. Embossing A. Gas welding dimension the difference between the limits of 56. Its fits the main spindle of a lathe and is so B. Spot welding size called because its acts as a bearing surface on C. Brazing A. Allowance which the work rest. It revolves with the work. D. Steam welding B. Variance When compared with the hardness of the dead 63. Uniting two pieces of metal by means of a C. Clearance center in the tailstock, is usually soft, and is so different metal which applied between the two D. Tolerance made since it does not work in molten state 71. A gear with teeth on the outer cylindrical A. Ram center A. Casting surface B. Spindle center B. Welding A. Outer gear C. Live center C. Soldering B. External gear D. Bearing center D. Brazing C. Spiral gear 57. A gripping device with two or more adjustable 64. Fusion process of metal by means is heated D. Helical gear jaws radially into a state of fusion permitting it to flow 72. The diameter of a circle coinciding with the A. Chuck together into a solid joint top of the teeth of an internal gear B. Carriage A. Electric arc welding A. Pitch diameter C. Tailstock B. Gas welding B. Root diameter D. Fan C. Spot welding C. Internal diameter 58. Steel Balls for ball bearings are manufactured 65. Joining metal by means of high current at low D. Central diameter by voltage. During the passage of current, pressure 73. A circle coinciding with a tangent to the A. Turning by the electrodes produces a forge weld bottom of the tooth space B. Rolling A. Spot welding A. Root circle C. Casting B. Resistance welding B. Pitch circle D. Cold heading C. Steam welding C. Addendum circle 59. Addendum of a cycloidal gear tooth D. Gas welding D. Deddendum circle A. Cycloid 66. A device for accurately measuring diameters 74. The total depth of a tooth space, equal to B. Epicycloids A. Radiometer addendum plus deddendum C. Straight rack B. Profilometer A. Full depth D. Involutes C. Spectrometer B. Working depth 60. In a lathe, it comprises the main spindle, the D. Micrometer C. Whole depth necessary mechanism for obtaining the various 67. A group of thin steel strips for measuring D. Deddendum spindle speed and also certain gears which are clearances 75. The depth of tooth space below the pitch used to operate the quick change gear A. Distortion gage circle mechanism B. Feeler gage A. Deddendum A. Headstock C. Line center gage B. Working depth B. Carriage D. Deflection gage C. Full depth C. Tailstock 68. A hand tool used to measure engine crank web D. Tooth depth D. Fan deflection 76. The ________ of gear to each mm pitch 61. The process of heating a piece of steel to a A. Distortion gage diameter temperature within or above critical range and B. Feeler gage A. Diametral pitch cooling rapidly C. Line center gage B. Module A. Normalizing D. Deflection gage C. Circular pitch 4  D. English module C. bh3/3 D. Clearance gage 77. A machine tool in which abrasive wheel is used D. bh2/4 92. A hand tool used to measure tension on bolts as cutting tool obtain a very smooth finish 85. In usual spur gearing A. Indexer A. Drill A. The pitch circle and the base are the B. Torsion meter B. Grinder same C. Torque wrench C. Planer B. Working depth includes the clearance D. Tension meter D. Shaper C. Tooth outline are usually involute curves 93. A material that can wear away a substance 78. It is used to produce a variety of surfaces by D. Tooth outline are always cycloidal curves softer than itself using a circular type cutter with multiple teeth 86. A stainless steel is obtained principally by the A. Abrasive A. Grinding machine use of the following alloying element B. Corrosive B. Shaper A. Chromium C. Tungsten C. Drilling machine B. Tungsten D. Alloy D. Milling machine C. Carbon 94. The material used in high speed processes 79. It is used principally to machine flat or plane D. Phenol A. High speed steel surfaces with single point tool 87. One of the following is not a common term B. Chromium A. Drill relating to the classification of fits C. Cast iron B. Shaper A. Tunking D. Carbon steel C. Planer B. Snug 95. An alloy of copper and zinc D. Grinder C. Medium force fit A. Chromium 80. Cutting a hole by means of rotating tool or the D. Bound B. Bronze work may revolve and to the tool remain fixed 88. Hearing bone Gears are gears which C. Brass as in the lathe A. Do not operate on parallel shaft D. Aluminum A. Piecing B. Have a line contact between teeth 96. An alloy of copper, tin, and small amount of B. Notching C. Consist of two left handed helical gears phosphorous C. Boring D. Tend to produce thrust on the shafts A. Chromium D. Perforating 89. Internal stresses existing in a welded B. Bronze 81. One of the following is not a tap used for connection C. Brass cutting threads in holes A. Are not relieved when the weld is D. Aluminum A. Tapping tap peened 97. The process of working metals by the B. Plug tap B. Are not relieved by heat treatment application of sudden blows or by steady C. Taper tap C. May be relieved when the weld is peened pressure D. Bottoming tap D. Are relieved by x-ray analysis A. Welding 82. An index or dividing head 90. In general the design stress and factor of safety B. Extrusion A. A part of drill press are related as follows C. Forging B. Used to rotate work A. Design stress=ultimate stress times factor D. Swaging C. Not used to cut helixes of safety 98. A welding operation in which a non-ferrous D. Always manually operated B. Design stress=ultimate stress divided by filler metal melts at a temperature below that 83. Galvanized iron is a term referring to iron factor of safety of the metal joined but is heated above 450oC coated with C. Design stress=design stress divided by A. Brazing A. Tin factor of safety B. Spot welding B. Zinc D. Design stress= factor of safety divided by C. Gas welding C. Magnesium design stress D. Projection welding D. Aluminum 91. A group of thin steel strips for measuring 99. The operation of cooling a heated piece of 84. The moment of inertia of a rectangle whose clearance work rapidly by dipping it in water, brine, or base is “b” and height “h” about its base is A. Depth cut oil A. bh3/12 B. Feeler gage A. Tempering B. bh/46 C. Lay-out gage B. Annealing 5  C. Quenching 7. The common deoxidizer and cleanser of steel, B. Brazing D. Normalizing forming oxides and sulfates that are carried off C. Spot welding 100. A machine tool used to machine flat surfaces in the slag. D. Butt welding A. Shaper A. Manganese 15. The process of working metals by the B. Planer B. Carbon application of sudden blows r by a steady C. Grinder C. Tungsten pressure. D. Lathe D. Sulfur A. Trimming ELEMENTS 02 8. A highly transparent and exceeding hard B. Welding 1. A machine tool in which an abrasive wheel is crystalline stone of almost pure carbon. C. Forging used a cutting to obtain a very smooth finish. A. Gold D. Lancing A. planer B. Diamond 16. The process of producing a variety of surface B. shaper C. Bronze by using a circular type cutter with multiple C. power saw D. Crystalline teeth. D. grinder 9. A fine grained, salty silica rock used for A. Piercing 2. It is used to produce a variety of surfaces by sharpening edge tools. B. Cutting using a circular type cutter with a multiple A. Eutectoid C. Embossing teeth. B. Austenite D. Milling A. milling machine C. Oilstone 17. The softening of meals by heat treatment and B. broaching machine D. Pearlite most commonly consists of heating the metals C. beading machine 10. An amorphous solid made by using silica with up to near molten state cooling them very D. hemming machine a basic oxide. slowly. 3. A heavy rotating body which serves as reservoir A. Pearlite A. Quenching for absorbing and redisturbing kinetic energy. B. Rock B. Tempering A. Shaft C. Silicon C. Annealing B. Governor D. Glass D. Forming C. Flywheel 11. A soft yellow metal, known since ancient times 18. The maximum stress induced in a material D. Puncher a precious metal which values are based. when subjected to alternating or repeated 4. A kind of gear used for heavy duty works A. Solidus loading without causing failure. where a large ratio of speed is required and is B. Bronze A. Elastic limit extensively used in speed reducers. C. Gold B. Proportional limit A. Helical gear D. Austenite C. Rupture strength B. Worm gear 12. The operation of cooling a heated piece of D. Endurance limit C. Bevel gear work rapidly by dropping it in water, brine or 19. The total deformation measured in the D. Spiral gear oil. direction of the line of stress. 5. A kind of gear used to transmit motion from A. Normalizing A. Axial deformation one shaft to another shaft at angle to the first. B. Quenching B. Elongation A. Helical gear C. Annealing C. Strain B. Worm gear D. Squeezing D. Unit stress C. Bevel gear 13. A device used to prevent leakage of media. 20. The maximum stress to which a material can D. Spiral gear A. Seal be subjected without a trace of any permanent 6. The minimum thickness to steel members B. Packing set remaining upon a complete withdrawal of exposed to weather and accessible for painting C. Teflon the stress. is: D. Graphite A. Ultimate limit A. 6mm 14. A welding operation in which a non-ferrous B. Proportional limit B. 8mm filler metal melts at a temperature below that C. Endurance limit C. 4mm of the metal joined but is heated above 450oC. D. Elastic limit D. 10mm A. Arc welding 6 21. The total permissible variation in the size of a A. Hematite B. Nickel dimension; the difference between the limits of B. Magnetite C. Brass the size. C. Sulfurite D. Bronze A. Deformation D. Siderite 37. A tool with hardened points used for scribing B. Variance 29. Which of the following metals will respond to circles or laying of distances. C. Tolerance heat treatment? A. Trammel D. Allowance A. Cast iron B. Caliper 22. Fluid film desired between two surfaces having B. Medium carbon steel C. Divider relative sliding motion. C. Wrought iron D. Micrometer A. Lube oil D. Low carbon steel 38. Name of mechanism which a welding operator B. Lubrication 30. Which of the following is a non-magnetic? holds during gas welding and at the end of C. Graphite A. Cast iron which the gases are burned to perform the D. Grease B. Alloy steel various gas welding operations. 23. Flexible materials used to seal pressurized C. Cast steel A. Mash fluids, normally under dynamic conditions. D. Manganese steel B. Core A. Packing 31. The ability of metal to withstand without C. Wobble B. Teflon breaking down is: D. Torch C. Seals A. Stress 39. The maximum stress to which a material may D. Safety shield B. Strength be subjected before failure occurs. 24. A total resistance that a material offers to an C. Strain A. Rupture stress applied load. D. Elasticity B. Yield stress A. Flexure 32. A machining operation whereby the tool C. Ultimate stress B. Stress reciprocates and the feed is stationary is called: D. Allowable stress C. Elasticity A. Shaping 40. The maximum stress induced in a material D. Rigidly B. Reaming when subjected to alternate or repeated 25. A property of material which relates the lateral C. Planning loading without causing failure. strains to the longitudinal strain. D. Turning A. Yield point A. Rigidity 33. Any material that retards the flow of electricity B. Ultimate point B. Elasticity used to prevent passage or escape of electric C. Endurance point C. Poisson’s ratio current from conductors. D. Proportional point D. Deflection A. Insulators 41. Which of the following is not a classification of 26. A kind of gear used for heavy duty works B. Bricks iron ore? where a large ratio of speed is required and is C. Ceramics A. Hematite extensively used in speed reducers.] D. Refractories B. Magnetic A. Spiral gear 34. A metallic element and the only metal that is C. Sulfurite B. Bevel gear liquid at ordinary temperature. D. Siderite C. Worm gear A. Austenite 42. Of the following metals, which will respond to D. Helical gear B. Mercury heat treatment? 27. A kind of gear used to transmit motion from C. Manganese A. Cast iron one shaft to another shaft at an angle to the D. Martensite B. Wrought iron first. 35. An alloy of cooper and zinc. C. Medium iron A. Spiral gear A. Aluminum D. Low carbon iron B. Worm gear B. Bronze 43. Materials, usually ceramics, employed where C. Helical gear C. Brass resistance to very high temperature is required, D. Bevel gear D. Nickel as for furnace lining and metal melting pots. 28. Which of the following is not a classification of 36. Usually a copper- tin alloy is: A. Refractories iron ore? A. Aluminum B. Gaskets 7  C. Insulators 50. A machine tool used principally to machine 57. A kind of gear used to transmit motion from D. Safety shield flat or place surfaces with a single point cutting one shaft to another shaft at an angle to the 44. The softening of metals by heat treatment and tool. first. most commonly consists of heating the metals A. Shaper A. Worm gear up to near molten state and then cooling them B. Planer B. Spiral gear very slowly. C. Grinder C. Helical gear A. Annealing D. Broaching machine D. Bevel gear B. Hardening 51. A tool used for measuring diameters. 58. The area of a machine shop where metal is C. Normalizing A. Micrometer being melted to form a new shape is: D. Tempering B. Tachometer A. Welding area 45. The process of producing of variety of surfaces C. Pyrometer B. Mass production area by using a circular type cutter with multiple D. Caliper C. Foundry area teeth. 52. The total permissible variation in the size of a D. Tool and die A. Milling dimension; the difference between the limits of 59. A machine used in shaping metal by means of B. Drilling the size. abrasive wheel or removal metals with an C. Broaching A. Tolerance abrasive is called: D. Boring B. Fits A. Planer 46. The process of working metals by the C. Allowance B. Power saw application of sudden blows or by steady D. Clearance C. Shaper pressure. 53. The maximum stress to which a material can D. Grinding machine A. Rolling be subjected without a trace of any permanent 60. The ability of materials or metal to resist being B. Forging set remaining upon a complete withdrawal of crushed is: C. Castling the stress. A. Compressive strength D. Turning A. Ultimate stress B. Fatigue strength 47. A welding operation in which a non-ferrous B. Rupture stress C. Torsional strength filler metal melts at a temperature below that C. Elastic limit D. Bending strength of the metal joined but is heated 450oC. D. Proportional limit 61. A machining operation whereby the tool A. Spot welding 54. Fluid film desired between two surfaces having rotates while the feed is stationary. B. Gas welding relative sliding motion. A. Shaping C. Brazing A. Lubrication B. Milling D. Arc welding B. Seal C. Turning 48. The operation of cooling heated piece of work C. Packing D. Reaming rapid by dropping it in water, brine or oil. D. Safety shield 62. A machining operation whereby the tool A. Quenching 55. A total deformation measured in the direction reciprocates and the feed is stationary. B. Tempering of the line of stress. A. Reaming C. Annealing A. Stress B. Planning D. Normalizing B. Strain C. Shaping 49. A machine tool in which an abrasive wheel is C. Endurance limit D. Turning used as a cutting tool to obtain a very degree of D. Poisson’s ratio 63. Which of the following metals is easy to chisel? accuracy and a smooth finish on metal parts, 56. A kind of gear for heavy duty works where a A. Alloy steel including soft and hardened steel. large ratio of speed is required and is B. Stainless steel A. Grinding machine extensively used in speed reducers. C. Manganese steel B. Broaching machine A. Worm gear D. Cast iron steel C. Milling machine B. Spiral gear 64. Ferrous metals contain relatively large amount D. Boring machine C. Helical gear of: D. Bevel gear A. Carbon B. Manganese 8  C. Phosphorous B. 11 kW B. Brass D. Sulfur C. 15 kW C. Bronze 65. Which of the following is not a strength D. 22 kW D. Chromium property of metals? 72. The range of motor power in kW of an Engine 80. A metallic element and only metal that is A. Tensile strength lathe machine, average service 1000 mm to liquid at ordinary temperature. B. Rocking strength 13000 mm swing. A. Aluminum C. Fatigue strength A. 11 to 15 kW B. Mercury D. Torsional strength B. 7.5 to 10 kW C. Zirconium 66. Which of the following is not a kind of C. 16 to 21 kW D. Zinc mandrel? D. 22 to 30 kW 81. Any material that retard the flow of electricity, A. Expansion mandrel 73. A machine which can flatten surfaces on a used to prevent passage or escape of electric B. Contraction mandrel horizontal, vertical or angular plane. current from conductors. C. Taper mandrel A. Shaper A. Refractory D. Gang mandrel B. Planer B. Ceramics 67. Which of the following is not a part of lathe C. Power saw C. Coating materials machine? D. Tool grinder D. Insulation A. Tailstock 74. The ability of metal to withstand forces thus 82. The maximum stress to which a material may B. Headstock following a number of twists. be subjected before failure occurs. C. Carriage A. Shear strength A. rupture strength D. Fan B. Bearing strength B. ultimate strength 68. The range of motors power in kW of a C. Endurance limit C. yield strength universal milling machine, max feed D. Deformation D. proportional limit movement 1270 mm lengthwise, 355 mm 75. A property of material which relates the lateral 83. The maximum stress induced in a material lateral, and 508 mm vertical is: strain to the longitudinal strain. when subjected to alternating repeated loading A. 11 to 15 kW A. Stress without causing failure. B. 16 to 21 kW B. Modulus of elasticity A. ultimate strength C. 7.5 to 10 kW C. Poisson’s ratio B. yield strength D. 22 to 30 kW D. Deformation C. endurance strength 69. The motor power in kW of a punch press, 50.8 76. A total resistance that a material offers to an D. rupture strength mm hole diameter, 25.4 mm thickness, for soft applied load. 84. Fluid film desired between two surfaces having steel is: A. Friction force relatively sliding motion. A. 15kW B. Stress A. lube oil B. 21 kW C. Rigidity B. graphite C. 7.5 kW D. Compressive force C. packing D. 30 kW 77. A total deformation measured in the direction D. lubrication 70. The range of motor power in kW of a of the line of stress. 85. The ability of material to withstand loads cylindrical grinding machine 600 x 50 mm A. Strain without breaking down wheel size, 2,400 to 4, 200 mm center distance B. Elasticity A. Strength is: C. Elongation B. Elasticity A. 11 to 15 kW D. Contraction C. Rigidity B. 16 to 21 kW 78. An alloy of copper and zinc. 86. Materials usually ceramics, employed where C. 7.5 kW A. Aluminum resistance to very high temperature is required D. 22 to 30 kW B. Brass as furnace lining and metal melting pots. 71. The motor power in kW of a forming r C. Bronze A. Insulators bending machine 1600 mm width, 508 mm D. Chromium B. Gaskets head movement is: 79. A metallic element of copper-tin alloy. C. Packing A. 7.5 kW A. Aluminum D. Refractories 9 87. An allying element used principally to produce 95. A machine tool used finish internal and D. hermaphrodite stainless steel. external surfaces by the use of cutter called a 2. A machine tool used principally to machine A. aluminum broach, which has a series of cutting edges or flat or plane surfaces with a single pointed tool. B. brass teeth. A. Shaper C. bronze A. lathe machine B. Planer D. chromium B. broaching machine C. Drill 88. A coating material used to produce galvanized C. planer D. Power saw iron. D. shaper 3. A machine tool in which an abrasive wheel is A. Zirconium 96. A cutting tool which is made to move slowly used as cutting tool to obtained a very smooth B. Zinc while acting on the work which is revolving on finish. C. Aluminum a horizontal axis. A. Broaching machine D. Chromium A. lathe machine B. Planer 89. A group of thin steel strips used for measuring B. broaching machine C. Tool grinder clearance. C. planer D. Milling machine A. feeler gage D. shaper 4. The process of working metals by the B. tachometer 97. A machine tool used to produce a variety of application of sudden blows or by steady C. micrometer surfaces by using circular type cutter with pressure. D. caliper multiple teeth. A. Casting 90. A hand tool used to measure tension in bolts. A. lathe machine B. Turning A. torque wrench B. milling machine C. Forging B. tachometer C. broaching machine D. Rolling C. shaver D. grinding machine 5. The operation of cooling a heated piece of D. sensor 98. Used in the production of flat surfaces on work rapidly by dipping it water, brine or oil 91. Ratio of pitch diameter to the number of pieces too large or too heavy to hold in a A. Quenching teeth. shaper. B. Annealing A. diametrical pitch A. Planer C. Tempering B. module B. Shaper D. Normalizing C. contact ratio C. Grinder 6. The softening of metals by heat treatment and D. helical overlap D. Shaver most commonly consists of heating the metal 92. A circle the radius of which is equal to the 99. Used to machine flat or curved surfaces with a up to near molten state and then cooling it distance from the gear axis to the pitch point. tool which moves in a reciprocating motion. very slowly. A. pitch circle A. planer A. Annealing B. root circle B. shaper B. Indexing C. base circle C. grinder C. Knurling D. outside circle D. lathe D. Soldering 93. A circle coinciding with a tangent to the 100. Which of the following materials that can wear 7. A fluid film desired between surfaces relative bottom of the tooth spaces. away a substance softer than itself sliding motion. A. pitch circle A. Abrasive A. Lube oil B. root circle B. Tungsten B. Lubrication C. base circle C. Carbon C. Grease D. outside circle D. corrosive D. Graphite 94. The method of cold working by compression. ELEMENTS 03 8. A kind of gear used to transmit motion from A. Broaching 1. A tool with hardened steel points used for one shaft to another shaft at an angle to the B. Lapping scribing or lying of distances. first. C. Piercing A. Plain scriber A. Worm gear D. Reaming B. divider B. Bevel gear C. a trammel C. Helical gear 10  D. Spur gear B. Mass production area B. Hydrometer 9. The principal material used in high production C. Foundry area C. Barometer metal working tools. D. Tool and die area D. Odometer A. Hyper- Eutectoid 17. Which of the following is not used to temper 25. The mass of the body per unit of volume. B. High speed steel steel? A. Volume flow rate C. Lead A. Brine salt bath B. Density D. High speed carbon B. Oil bath C. Weight 10. A heavy rotating body which serves as a C. Water bath D. Mass reservoir for absorbing and redistributing D. Steam bath 26. Subjecting a substance to a high temperature kinetic energy. 18. Which of the following is not a kind of cast below the fusion point, usually to make it A. Flywheel iron? friable. B. governor A. Malleable iron A. Calcinations C. shaft B. Head iron B. Fusion D. puncher C. Gray iron C. Boiling 11. A machine used in shaping metal by means of D. White iron D. Superheating an abrasive wheel or the removal of metals 19. The kind of center which is being attached and 27. Special metal formed when to or more metals with an abrasive is called: meshed to the tailstock spindle which is also are melted together. A. Planer machine static while the work is rotating: A. Monel B. Power saw A. Dead center B. Alloy C. Shaper machine B. Live center C. Solder D. Grinding machine C. Focal center D. Hastalloy 12. Which of the following is not a part of lathe D. Work center 28. The ability of a moving body to perform work. machine? 20. Which of the following is not part of the A. Internal energy A. Tailstock headstock? B. Potential energy B. Fan A. Spindle C. Kinetic energy C. Carriage B. Anvil D. Flow work D. headstock C. Back gear 29. Hardening the surface of iron- based alloys by 13. Which of the following is easy to chisel? D. Motor heating them below the melting point in A. Cast iron 21. Which process does not belong to the group? contact with a carbonaceous substance. B. Alloy steel A. Vise grip A. Carburizing C. Cast steel B. Adjustable wrench B. Normalizing D. Manganese steel C. Torque wrench C. Mar tempering 14. A machining operation whereby the tool D. Feeler gage D. Hardening reciprocates and the feed is stationary is called: 22. Which does not belong to the group? 30. Any materials that retard the flow electricity A. Shaping A. Resistance welding used to prevent or escaped of electric current B. Reaming B. Soldering from conductors. C. Planning C. Hardening A. Bricks D. Turning D. Brazing B. Insulators 15. Which of the following is not a kind of 23. Substances having sufficient carbon and /or C. Refractories mandrel? hydrogen for chemical oxidation to produce D. Ceramics A. Expansion mandrel exothermally, worthwhile quantities of heat. 31. Material, usually ceramics, employed where B. Taper mandrel A. Lubrication resistance to very high temperature is required, C. Contraction mandrel B. Graphite as for furnace linings and metal melting pots. D. Foundry mandrel C. Grease A. Bricks 16. The area of the machine shop where the metal D. Fuels B. Insulators is being melted to form a new shape. 24. A device that measures atmospheric pressure. C. Refractories A. Welding area A. Piezometer D. ceramics 11 32. A device used to prevent leakage of media. A. Tensile strength 47. In the color coding of pipe, the color for a A. Packing B. Shearing strength pipeline of communication is: B. Safety shield C. Compressive strength A. Light blue C. Gasket D. Torsion B. White D. Seals 40. The ability of metal to stretch, bend or twist C. Brown 33. The internal resistance a material offers to without breaking or cracking. D. Light orange being deformed and is measured in terms of A. Elasticity 48. The color pipeline of fuel oil in the color applied load. B. Ductility coding of pipe is: A. Strain C. Brittleness A. Light blue B. Elasticity D. plasticity B. Brown C. Stress 41. The property of a material which resist forces C. White D. Resilience action to pull the material apart. D. Light orange 34. The deformation that results from a stress and A. Shear strength 49. For high speed application the minimum is expressed in terms of the amount of B. Tensile strength number of teeth in small sprocket should be: deformation per inch. C. Compressive strength A. 18 to 24 A. Elongation D. Bearing strength B. 26 to 30 B. Strain 42. The property of steel which resist indention or C. 14 to 18 C. Poisson’ s ratio penetration. D. 24 to 28 D. Elasticity A. Hardness 50. The good deoxidizer in steel melting is: 35. The ability of the material to return to its B. Elasticity A. Manganese original shape after being elongated or C. Ductility B. Aluminum distorted when the forces are released. D. None of these C. Silicon A. Elasticity 43. In the color coding of pipe, the color for a D. All of these B. Brittleness pipeline of air is: 51. In majority of machine members, the dumping C. Plasticity A. Light blue capacity of the material should be: D. Creep B. Light orange A. Zero 36. The last point at which a material may be C. White B. High stretched and still return to its unreformed D. Green C. Low condition upon release of the stress. 44. In the color coding of pipe, the color for a D. Anything A. Rupture limit pipeline of water is: 52. For moderate speed for mating gears, the ideal B. Elastic limit A. Light blue ratio of contact is: C. Proportional limit B. Green A. 1.35- 1.55 D. Ultimate limit C. Brown B. 1.0- 1.3 37. The ratio of stress to strain within the elastic D. Silver grey C. 1.25- 1.45 limit. 45. In the color coding of pipe, the color for a D. 1.25- 4.0 A. Creep pipeline of steam is: 53. The diameter of the screw thread is same as: B. Modulus of rigidity A. Light orange A. Pitch diameter C. Modulus of elasticity B. White B. Minor diameter D. Poisson’s ratio C. Silver grey C. Major diameter 38. The ability of a metal to withstand forces that D. Light blue D. Base diameter causes a member to twist. 46. The color for a pipeline of electricity in the 54. For high corrosion resistant stainless steel, A. Shear strength color coding of pipe is: what maximum chromium content is required? B. Tensile strength A. Light orange A. 8.0% C. Bearing strength B. White B. 4.5% D. Torsional strength C. Silver grey C. 1.5% 39. The ability of a material to resist being D. Light blue D. 8.5% crushed. 12 55. At quite low temperatures (say- 75 deg. C) the A. A cutectic of iron and iron C. Brush roller notched bar impact value of steel. phosphide D. Long A. Increases significantly B. A gadget for measuring volume 71. Spiral gears are suitable for transmitting: B. Decreases significantly C. A measure of magnetic induction A. Any power C. Remain unchanged produces in a material B. Small power D. Depends on heat treatment D. Antimony bearing lead or tin alloy C. Huge power 56. In order to realize the advantage of fluid 64. The minimum thickness of steel members D. Pulsating power friction, it is essential to have: exposed to weather and accessible for painting 72. The type of cam used for low and moderate A. No oil film is: speed engines is generally: B. Converging oil film A. 4mm. A. Flat C. Diverging oil film B. 6mm. B. Involute D. Parallel oil film in bearing C. 8mm. C. Tangent 57. Zero axial thrust is experienced in: D. 10mm. D. Harmonic A. Herringbone gears 65. In standard coarse thread bolt, the stress 73. Gears for wrist watches are generally B. Helical gears concentration is maximum at: manufactured by: C. Bevel gears A. All over the surface A. Molding D. Worm gears B. Top surface B. Stamping 58. The maximum size of the fillet weld that can C. Root C. Galvanizing be made in single pass is: D. Flank D. Honing A. 3mm. 66. Which of the following ropes are more 74. The rated life of a bearing changes: B. 6mm. flexible? A. Inversely as cube of load C. 7mm. A. 6 to 19 B. Directly as load D. 4mm. B. 6 to 7 C. Inversely as square of load 59. Muntz metal contains: C. 8 by 19 D. Inversely as load A. Copper-aluminum D. 6 by 37 75. The best material for brake drum is: B. Copper-tin 67. Tools usually used in wood pattern making in A. Cast iron C. Copper- nickel foundry shop. B. Steel D. Copper-zinc A. Band saw C. Aluminum 60. Steel balls for bearings are manufactured by: B. Saws and chisels D. Wrought iron A. Cold- heading C. Knives and drills 76. An elastic body whose primary function is to B. Casting D. Grinder deflect under load. C. Rolling 68. Type of bolt commonly used in the A. Spring D. turning construction that is threaded in both ends. B. Brake 61. In general, alloys with high nickel content A. Hex bolt C. Stopper retain toughness to quite low temperature up B. Stud bolt D. Clutch to: C. Square threaded bolts 77. Belt slip may take place because of: A. -250 F D. Eye bolt A. Loose load B. -360 F 69. Cast iron flywheels are commonly designed B. Heavy belt C. -320 F with factor of safety of: C. Driving pulley too small D. -240°F A. 9 to 12 D. All of the above 62. Manganese steel standard designation is B. 8 to 11 78. Rankine formula is valid up to slender ratio of: SAE___. C. 10 to 13 A. 60 A. 8XXX D. 7 to 10 B. 80 B. 10XX 70. Which of the type of chain is used in C. 120 C. 12XX motorcycle? D. 150 D. 13XX A. Silent 79. In flange coupling the weakest element should 63. A Babbitt is: B. Pintle be: 13  A. Flange D. Cold forming D. Used to form B. Key 88. Select the one that has highest specific gravity: 97. Least shrinkage allowance is provided in the C. Bolts A. Aluminum case of which of the following: D. Shaft B. Lead A. Cast iron 80. A flange coupling is: C. Brass B. Aluminum A. Used for collinear shafts D. High carbon steel C. White cast iron B. Used for non- collinear shafts 89. Age- hardening is related with: D. Brass C. Rigid coupling A. Cast iron 98. Dilatometer is used to find out which property D. Flexible B. Stainless steel of molding sand. 81. Universal coupling is: C. Duralumin A. permeability A. Used for collinear shafts D. German silver B. hot strength B. Used for non- collinear shafts 90. Foundry crucible is made of: C. fineness C. Type of flange coupling A. German silver D. moisture content D. Rigid coupling B. Lead 99. Hastalloy contains: 82. In powder metallurgy the process of heating C. Mild steel A. Copper the cold pressed metal powder is called: D. Graphite B. Nickel and copper A. deposition 91. Trimming process is a process associated with: C. Copper and aluminum B. granulation A. Forging D. Nickel and molybdenum C. sintering B. Machining of metals 100. The maximum harden ability of any steel D. precipitation C. Electroplating depends on: 83. Which one is different from the remaining? D. Press work A. The carbon content A. nitriding 92. A plug gauge is used to measure: B. The chemical composition B. cyaniding A. Taper bores C. The grain size C. electroplating B. Cylindrical bores D. The alloying elements present D. flame hardening C. Spherical holes Elements 04 84. Splines are used when: D. Screw threads 1. The hardness of steel increases if it contains: A. The power transmitted is low 93. In arc welding operations the current value is a. Martensite B. The power to be transmitted is high decided by: b. Pearlite C. Axial relative motion between A. Length of welded portion c. Austenite shafts and hub is necessary B. Voltage across the arc d. All of the above D. Flame hardening C. Size of the electrode 2. How do you call steel with 0.8% carbon and 85. Delta iron occurs at temperature of: D. Thickness of plate 100% pearlite? A. Room temperature 94. The phenomenon of weld decay takes place in: a. Austenite B. Above melting point A. Cast iron b. Solidus C. Between 1400˚C and 1539˚C B. Brass c. hyper-eutectoid D. Between 1000˚C and 1400˚C C. Bronze d. eutectoid 86. The most important element that controls the D. Stainless steel 3. What is the range of the tensile strength of physical properties of steel is: 95. Choose the one that will have highest cutting common varieties of cast iron? A. Carbon speed. a. 40-60 Mpa B. Silicon A. Aluminum b. 150-180 Mpa C. Manganese B. Brass c. 840-500 Mpa D. Tungsten C. Bronze d. 1500-1650 Mpa 87. The process commonly used for thermo-plastic D. Cast iron 4. Fatigue failure occurs when a part is subjected material is: 96. Projection welding is: to: A. Die casting A. Continuous spot welding process a. Compressive stress B. Injection molding B. Used to make mesh b. tensile stress C. Shell molding C. Multi- spot welding process c. torsional stress 14  d. fluctuating stress d. Difference between the linear speed of c. Metal resistance to corrosion by coating 5. Paramagnetic alpha iron changes to gamma the rim of pulley and the on it d. Fatigue limit by overstressing the metal iron at what temperature? 13. Which of the following is the orientation of by successively increasing loadings a. 440°C the axes of the two shafts in cross helical 21. Up to what percent thickness of plate, edge b. 910°C worm? preparation for welding is not needed? c. 70°C a. Parallel a. 2 mm d. 1639°C b. Non-parallel b. 4 mm 6. The diameter of the washer is generally: c. Intersecting c. 8 mm a. Equal to the diameter of the bolt d. non-parallel and non-intersecting d. 12 mm b. Slightly more than the diameter of the 14. In case of gears the addendum is given by: 22. Arc blow takes place in: bolt a. One module a. Gas welding c. Slightly less than the diameter of the bolt b. 2.16 x module b. Arc welding when straight polarity is used d. Of any size that suits the application c. 1.57 x module c. Arc welding when reversed polarity is 7. The compression members tend to buckle in d. 1.25 / module used the direction of: 15. How do you call a cam where in the follower d. Welding stainless steel a. Axis of load reciprocates or oscillates in a plane parallel to 23. What is the function clutch in the machine b. Minimum cross-section its axis? tool? c. least radius of gyration a. Circular cam a. Alignment of drive d. perpendicular to the axis of load b. reciprocating cam b. Lowering of drive 8. A kinematic chain needs a minimum: c. cylindrical cam c. To insure that two shafts line up at high a. 2 links and 2 turning pairs d. oscillating cam speed b. 3 links and turning pairs 16. How are gears for watches generally d. To connect shaft so that the driven shaft c. 4 links and 4 turning pairs manufactured? will rotate with the driving shaft and to d. 3 links and 2 turning pairs a. Die casting disconnect them at all 9. Which of the following pairs is formed if shaft b. Machining on hobber 24. The height of tooth above the pitch circle or is revolving in a bearing? c. power metallurgy process the radial distance between pitch circle and top a. Lower pair d. stamping land of the tooth. b. turning pair 17. Rope brake dynamometer uses what? a. Addendum c. sliding pair a. Oil as lubricant b. Deddendum d. cylindrical pair b. No lubricant c. top root 10. How many links are there in a pantograph? c. grease as lubricant d. top land a. 3 d. water as lubricant 25. How do you call the distance of the tooth b. 4 18. Which of the following could be the effect of which is equal to the sum of the addendum c. 5 cold working? and deddendum? d. 6 a. Increases the fatigue strength a. Full depth 11. A pantograph is a mechanism having: b. Decreases the fatigue strength b. working depth a. Lower pairs c. Has no influence on fatigue strength c. whole depth b. rolling pairs d. None of these d. pitch c. spherical pairs 19. In testing a material for endurance strength, it 26. Which of the following stresses that is d. higher pairs is subjected to: independent of loads? 12. Which of the following describes the “slip” in a. Completely reversed load a. Shear stress belt drive? b. Static load b. residual stress a. Loss in power c. impact load c. design stress