Machine Design: Prime Elements 01 Past ME Board Questions PDF

# Machine Design: Prime Elements 01 ## Past ME Board Questions ### ELEMENTS 01 1. Past Board Question Heating above the transformation range, usually 1300°F to 1350°F, and cooling slowly to soften the metal and increase in machining. - A. Annealing - B. Hardening - C. Normalizing - D. Tempering 2...

# Machine Design: Prime Elements 01 ## Past ME Board Questions ### ELEMENTS 01 1. Past Board Question Heating above the transformation range, usually 1300°F to 1350°F, and cooling slowly to soften the metal and increase in machining. - A. Annealing - B. Hardening - C. Normalizing - D. Tempering 2. Past ME Board Question Heating above the transformation temperature and quenching usually in oil, for the purpose of increasing the hardness: - A. Annealing - B. Hardening - C. Normalizing - D. Tempering 3. Past ME Board Question Reheating to a temperature below the transformation range, followed by any desired rate of cooling to attain the desired properties of the metal. - A. Annealing - B. Hardening - C. Tempering - D. Stress Relieving 4. Past ME Board Question Heating to a subcritical temperature, about 1,100°F to 1,300°F and holding at that temperature for a suitable time for the purpose of reducing internal residual stresses. - A. Annealing - B. Hardening - C. Tempering - D. Stress Relieving 5. Past ME Board Question Heating to some 100°F above the transformation range with subsequent cooling to below that range in still air at room temperature to produce uniform structure of the metal. - A. Annealing - B. Hardening - C. Normalizing - D. Tempering 6. Past ME Board Question A machine tool used for producing holes in metal by the use of a cutting tool called drill. - A. Drilling machine - B. Boring machine - C. Milling machine - D. Broaching machine 7. Past ME Board Question A machine tool used to form metal parts by removing metal from a workpiece by the use of a revolving cutter with many teeth, each tooth having a cutting edge which removes its share of the stock. - A. Milling machine - B. Broaching machine - C. Lathe machine - D. Boring machine 8. Past ME Board Question A machine tool used to sharpen or shape tools by using an abrasive wheel. - A. tool grinder - B. shaper - C. planer - D. power saw 9. Past ME Board Question A machine tools used to enlarge a hole by means of an adjustable cutting tool with only one cutting edge. - A. drilling machine - B. boring machine - C. milling machine - D. broaching machine 10. Past ME Board Question A machine tool used to cut metal parts of light, medium, and large sections using a reciprocating hacksaw blade. - A. tool grinder - B. shaper - C. planer - D. power saw 11. Past ME Board Question A machine tool used to machine flat or plane surfaces with a single point cutting tool. - A. tool grinder - B. shaper - C. planer - D. power saw 12. Past ME Board Question A machine tool used for production of flat surfaces on pieces too large or too heavy to hold in a shaper. - A. tool grinder - B. shaper - C. planer - D. power saw 13. Past ME Board Question A machine tool used to finish internal or external surfaces, such as holes or keyways by the use of a cutter called a broach, which has a series of cutting edges or teeth. - A. drilling machine - B. boring machine - C. milling machine - D. broaching machine 14. Past ME Board Question An alloy of copper and tin - A. brass - B. bronze - C. Iron - D. Tin 15. Past ME Board Question An alloy of copper and zinc. - A. Brass - B. bronze - C. Iron - D. Tin 16. Past ME Board Question The process of forming metal parts by the use of dies after the metal is heated to its plastic range. - A. rolling - B. forging - C. turning - D. casting 17. Past ME Board Question The process of forming a metal parts by the use of a powerful pressure from a hammer or press to obtain the desired shape, after the metal has been heated to its plastic range. - A. rolling - B. forging - C. turning - D. casting 18. Past ME Board Question A manganese steel containing approximately 0.20% carbon. - A. SAE 1320 - B. SAE 1230 - C. SAE 2340 - D. SAE 4230 19. Past ME Board Question A machine tool in which metal is removed by means of a revolving cutter with many teeth, each tooth having a cutting edge which remove its share of the stock. - A. milling machine - B. broaching machine - C. lathe machine - D. boring machine 20. Past ME Board Question A metal turning machine tool in which the work, while revolving on a horizontal axis, is acted upon by a cutting tool which is made to move slowly (feed) in a direction more or less parallel to the axis of the work (longitudinal feed). - A. milling machine - B. broaching machine - C. lathe machine - D. boring machine 21. Past ME Board Question A machine tool used in the production of flat surfaces on pieces too large or too heavy or, perhaps too awkward to hold in a shaper. - A. shaper - B. planer - C. tool grinder - D. power saw 22. Past ME Board Question It consists of shaping a piece by bringing it into contact with a rotating abrasive wheel. - A. drilling - B. boring - C. grinding - D. broaching 23. Past ME Board Question A tool used in measuring diameters. - A. caliper - B. nanometer - C. tachometer - D. pyrometer 24. Past ME Board Question Used to true and align machine tools, fixtures, and works, to test and inspect size trueness of finished work, and to compare measurements either heights or depths or other measurements. - A. dial gauge - B. dial indicator - C. tachometer - D. speedometer 25. Past ME Board Question The ability of metal to be deformed considerably without rupture. - A. ductility - B. plasticity - C. melleability - D. elasticity 26. Past ME Board Question The shop term used to include the marking or inscribing of center points, circles, arcs, or straight lines upon metal surfaces, either curved or flat, for the guidance of the worker. - A. shaping - B. hobbing - C. laying out - D. shaping 27. Past ME Board Question An operation of sizing and finishing a hole by means of a cutting tool having several cutting edges. - A. notching - B. piercing - C. turning - D. reaming 28. Past ME Board Question The operation of making a cone-shaped enlargement of the end of a hole, as for a recess for a flat head screw. - A. Countersinking - B. knurling - C. squaring - D. perforating 29. Past ME Board Question The operation of enlarging a hole by means of an adjustable cutting tool with only one cutting edge. - A. drilling - B. broaching - C. milling - D. boring 30. Past ME Board Question An imaginary circle passing through the points at which the teeth of the meshing gears contact each other. - A. pitch circle - B. addenduim circle - C. dedendum circle - D. base circle 31. Past ME Board Question A type of bolt intended for use in bolting wooden parts together or wood to metal. It has a short portion of shank just underneath a round head, which is designed to keep the bolt from turning in the wood when the nut is tightened. - A. u-bolt - B. carriage bolt - C. eye bolt - D. stud bolt 32. Past ME Board Question The number of teeth per inch of pitch diameter and which gives some indications of the size of the gear teeth. - A. module - B. pitch circle - C. diametral pitch - D. circular pitch 33. Past ME Board Question The distance from the center of one tooth of a gear to the center of the next consecutive tooth measured on the pitch. - A. circular pitch - B. module - C. diametral pitch - D. pitch circle 34. Past ME Board Question The portion of a gear tooth that projects above or outside the pitch circle. - A. top relief - B. dedendum - C. addendum - D. tooth space 35. Past ME Board Question The portion of the gear tooth space that is cut below the pitch circle and is equal to the addendum plus the clearance. - A. top root - B. dedendum - C. addendum - D. top land 36. Past ME Board Question When meshed with a gear, it is used to change rotary motion to reciprocating motion. - A. gear shaft - B. gear tooth - C. gear rack - D. gear motor 37. Past ME Board Question A kind of gears used for heavy duty works where a large ratio of speed is required and are extensively used in speed reducers. - A. bevel gears - B. worm gears - C. helical gears - D. spiral gears 38. Past ME Board Question A kind of gears used to transmit motion from one shaft to another shaft at an angle to the first. - A. bevel gears - B. worm gears - C. helical gears - D: spiral gears 39. Past ME Board Question The uniform heating of steel above the usual hardening temperatures, followed by cooling freely in air. - A. annealing - B. normalizing - C. hardening - D. tempering 40. Past ME Board Question The operation of cooling a heated piece of work rapidly by dipping it in water, brine or oil. - A. quenching - B. tempering - C. normalizing - D. annealing 41. Past ME Board Question A method used in softening a piece of metal that is too hard to machine and is done by heating steel slowly above the usual hardening temperature, keeping it at the heat for 1/2 to 2 hours, then cooling slowly, preferably in a furnace. - A. broaching - B. quenching - C. normalizing - D. annealing 42. Past ME Board Question The total permissible variation in the size of a dimension; the difference between the limits of size. - A. allowance - B. tolerance - C. variance - D. interface 43. Past ME Board Question The operation of machining the end of a workpiece to make the end square with the axis. - A. squaring - B. buffing - C. lapping - D. honing 44. Past ME Board Question The clearance between the tooth profiles of a gear tooth. - A. toothspace - B. backlash - C. flank - D. width 45. Past ME Board Question A mechanism which usually do the indexing in a machine tool. - A. slotter - B. chuck - C. dividing head - D. indexer 46. Past ME Board Question A material that can wear away a substance softer than itself. - A. phenol - B. abrasive - C. tungsten - D. chromium 47. Past ME Board Question A cylindrical bar of steel with threads formed around it and grooves or flutes running lengthwise in it, intersecting with the threads to form cutting edges. It is used to cut internal threads. - A. groove - B. lap - C. tap - D. flute 48. Past ME Board Question A set of gages consisting of thin strips of metal of various thickness mounted in a steel case or holder and. is widely used for measuring and checking clearances. - A. feeler gage - B. depth gage - C. line center gage - D. lay-out gage 49. Past ME Board Question A machine tool which is very similar to a shaper except that the ram reciprocates vertically rather than horizontally. - A. lathe - B. grinder - C. planer - D. slotter 50. Past ME Board Question A machine tool used principally to machine flat or plane surfaces with single-point cutting tool. - A. grinder - B. shaper - C. planer - D. turret lathe 51. Past ME Board Question A kind of bolts which has no head an instead has threads on both ends. - A. stud bolts - B. acme threaded bolts - C. square threaded bolts - D. hex bolts 52. Past ME Board Question A kind of chuck which has reversible jaws which could be adjusted separately. - A. collet chuck - B. independent chuck - C. four jaw chuck - D. two jaw chuck 53. Past ME Board Question A tool which when pressed into a finished hole in a piece of work, provides centers on which the piece may be turned or otherwise machined. - A. mash - B. butt - C. mandrel - D. wobble 54. Past ME Board Question A kind of chuck which should not be used where extreme accuracy is required. - A. collet chuck - B. magnetic chuck - C. four jaw chuck - D. Universal chuck 55. Past ME Board Question The process of checking or producing checkers on the surface of a piece by rolling checkered depressions into the surface. - A. knurling - B. hemming - C. breading - D. embossing 56. Past ME Board Question It fits into the main spindle of a lathe and is so called because it acts as a bearing surface on which the work rests. It revolves with the work. When compared with the hardness of the dead center in the tailstock, it is usually soft, and is so made since it does no work. - A. ram center - B. spindle center - C. live center - D. bearing center 57. Past ME Board Question A gripping device with two or more adjustable jaws set radially. - A. chuck - B. carriage - C. tailstock - D. fan 58. Past ME Board Question Steel balls for ball bearings are manufactured by: - A. turning - B. rolling - C. casting - D. cold heading 59. Past ME Board Question Addendum of a cycloidal gear tooth is: - A. cycloid - B. epicycloids - C. straigth rack - D. involute 60. Past ME Board Question In a lathe, it comprises the main spindle, the necessary mechanism for obtaining the various spindle speed and also certain gears which are used to operate the quick-change gear mechanism. - A. headstock - B. carriage - C. tailstock - D. fan 61. Past ME Board Question The process of heating a piece of steel to a temperature within or above critical range and cooling rapidly. - A. normalizing - B. hardening - C. annealing - D. tempering 62. Past ME Board Question Welding operation in which a non-ferrous filler metal melts at a temperature below that of the metal joined but is heated above 450°C. - A. gas welding - B. spot welding - C. brazing - D. steam welding 63. Past ME Board Question Uniting two pieces of metal by means of a different metal which is applied between the two in molten state. - A. casting - B. welding - C. soldering - D. brazing 64. Past ME Board Question Fusion process in which the metal is heated into a state of fusion permitting it to flow together into a solid joint. - A. electric arc welding - B. gas welding - C. spot welding - D. projection welding 65. Past ME Board Question Joining metal by means of high current at low voltage. During the passage of current, pressure by the electrodes produces a forge weld. - A. spot welding - B. resistance welding - C. steam welding - D. gas welding 66. Past ME Board Question A device for accurately measuring diameters. - A. radiometer - B. profilometer - C. spectrometer - D. micrometer 67. Past ME Board Question A group of thin steel strips for measuring clearances. - A. distortion gage - B. feeler gage - C. line center gage - D. deflection gage 68. Past ME Board Question A hand tool used to measure engine crank web deflections. - A. distortion gage - B. feeler gage - C. line center gage - D. deflection gage 69. Past ME Board Question A hand tool used to measure tension on bolts. - A. Indexer - B. torque wrench - C. torsionmeter - D. tensiometer 70. Past ME Board Question The permissible variation in the size of a dimension; the difference between the limits of size. - A. allowance - B. variance - C. clearance - D. tolerance 71. Past ME Board Question A gear with teeth on the outer cylindrical surface. - A. outer gear - B. external gear 72. Past ME Board Question The diameter of a circle coinciding with the top of the teeth of an internal gear. - A. pitch diameter - B. root diameter - C. internal diameter - D. central diameter 73. Past ME Board Question A circle coinciding with a tangent to the bottom of the tooth space. - A. root circle - B. pitch circle - C. addendum circle - D. dedendum circle 74. Past ME Board Question The total depth of a tooth space, equal to addendum plus dedendum. - A. full depth - B. working depth - C. whole depth - D. dedendum 75. Past ME Board Question The depth of tooth space below the pitch circle. - A dedendum - B. working depth - C. full depth - D. tooth depth 76. Past ME Board Question The of gear teeth to each mm pitch diameter. - A. diametral pitch - B. module - C. circular pitch - D. english module 77. Past ME Board Question A machine tool in which abrasive wheel is used as cutting tool to obtain a very smooth finish. - A. drill - B. grinder - C. planer - D. shaper 78. Past ME Board Question It is used to produce a variety of surfaces by using a circular-type cutter with multiple teeth. - A. grinding machine - B. shaper - C. drilling machine - D. milling machine 79. Past ME Board Question It is used principally to machine flat or plane surfaces with a single-point tool. - A. drill. - B. shaper - C. planer - D. tool grinder 80. Past ME Board Question Cutting a hole by means of rotating tool or the work may revolve and to the tool remain fixed as in the lathe. - A. piercing - B. notching - C. boring - D. perforating 81. Past ME Board Question One of the following is not a tap used for cutting threads in holes. - A. tapping tap - B. plug tap - C. taper tap - D. bottoming tap 82. Past ME Board Question An index or dividing head. - A. a part of a drill press - B. used to rotate the work - C. not used to cut helixes - D. always manually operated 83. Past ME Board Question Galvanized iron is a term referring to iron coated with: - A. tin - B. zinc - C. magnesium - D. aluminum 84. Past ME Board Question The moment of inertia of a rectangle whose base is "b" and height "h" about its base is: - A. bh³/12 - B. bh/36 - C. bh³/3 - D. bh²/4 85. Past ME Board Question In usual spur gearing: - A. the pitch circle and the base circle are the same - B. working depth includes the clearance - C. tooth outline are usually involute curves - D. tooth outline are always cycloidal curves 86. Past ME Board Question A stainless steel is obtained principally by the use of the following alloying element. - A. Chromium - B. tungsten - C. carbon - D. phenol 87. Past ME Board Question One of the following is not a common term relating to the classification of fits. - A. tunking - B. snug - C. medium force fit - D. bound 88. Past ME Board Question Hearingbone gears are gears which: - A. do not operate on parallel shaft - B. have a line of contact between the teeth - C. consist of two left handed helical gears - D. tend to produce thrust on the shafts 89. Past ME Board Question Internal stresses existing in a welded connection: - A. are not relieved when the weld is peened - B. are not relieved by heat treatment - C. may be relieved when the weld is peened - D. are relieved by x-ray analysis 90. Past ME Board Question In general the design stress and factor of safety are related as follows: - A. Design stress = ultimate stress times factor of safety. - B. Design stress = ultimate stress divided by factor of safety - C. Design stress = Design stress divided by ultimate stress - D. Design stress = factor of safety divided by design stress 91. Past ME Board Question A group of thin steel strips for measuring clearances. - A. depth gage - B. feeler gage - C. lay-out gage - D. clearance gage 92. Past ME Board Question A hand tool used to measure tension on bolts. - A. Indexer - B. torsionmeter - C. torque wrench - D. tensiometer 93. Past ME Board Question A material that can wear away a substance softer than itself. - A. abrasive - B. corrosive - C. tungsten - D. alloy 94. Past ME Board Question The material used in high speed processes. - A. high speed steel - B. chromium - C. cast iron - D. carbon steel 95. Past ME Board Question An alloy of copper and zinc. - A. chromium - B. bronze - C. brass - D. aluminum 96. Past ME Board Question An alloy of copper, tin and small amount of phosphorous. - A. chromium - B. bronze - C. brass - D. aluminum 97. Past ME Board Question The process of working metals by the application of sudden blows or by steady pressure. - A. welding - B. extursion - C. forging - D. swaging 98. Past ME Board Question A welding operation in which a non-ferrous filler metal melts at a temperature below that of the metal joined but is heated above 450°C. - A. brazing - B. spot welding - C. gas welding - D. projection welding 99. Past ME Board Question The operation of cooling a heated piece of work rapidly by dipping it in water, brine or oil. - A. tempering - B. annealing - C. quenching - D. normalizing 100.Past ME Board Question A machine tool used to machine flat surfaces. - A. shaper - B. planer - C. grinder - D. lathe ## FACTS CORNER ### BALL BEARING There are many types of bearings but the most common type is the ball bearing. These bearings can handle both radial and thrust loads and are usually found in applications where the load is relatively small.