MD-TERMS-PART-1 PDF Engineering Quiz
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This document contains a quiz with questions on mechanical engineering, covering topics such as bearings, steel, moment of inertia, gears, and more.
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Question 1 3.3 out of 3.3 points The operating tempearture of oil films in the bearing must approximately Selected Answer: c. 140 F to 160 F...
Question 1 3.3 out of 3.3 points The operating tempearture of oil films in the bearing must approximately Selected Answer: c. 140 F to 160 F Answers: a. 140 F to 150 F b. 120 F to 190 F c. 140 F to 160 F d. 120 F to 190 F Question 2 3.3 out of 3.3 points A steel carbon range of 0.75 to 1.7 percent is considered as what type of steel? Selected Answer: b. Very high carbon steel Answers: a. Medium carbon steel b. Very high carbon steel c. High carbon steel d. Low carbon steel Question 3 0 out of 3.3 points Moment of inertia is also called: Selected Answer: c. Radius of gyration Answers: a. Modulus of elasticity b. Weep strength c. Radius of gyration d. None of these Question 4 0 out of 3.3 points Which of the following where the gear tooth vernier is used to measure? Selected Answer: c. Pitch line thickness of gear tooth Answers: a. Gear tooth profile b. Gear tooth thickness of gear tooth c. Pitch line thickness of gear tooth d. Module Question 5 0 out of 3.3 points It is the process of pre-stressing or over- stressing of a hollow cylindrical member beyond the elastic range. Selected Answer: b. Coutersinking Answers: a. Stress relieving b. Coutersinking c. Presstagge d. Autofrettage Question 6 3.3 out of 3.3 points With _______ the workpiece advances through a sequence operations: Selected Answer: d. Progressive dies Answers: a. Brakes b. Tonnage c. Presswork d. Progressive dies Question 7 0 out of 3.3 points How do you call the process of fine grinding or peening operation designed to leave a characteristic pattern on the surface of a workpiece Selected Answer: a. buffing Answers: a. buffing b. burnishing c. electroplating d. Calorizing Question 8 0 out of 3.3 points A fine finishing operation similar to polishing what method to determine the reactions on continuous beams Selected Answer: a. Two moment equations Answers: a. Two moment equations b. Three moment equations c. second moment equations d. Third moment equations Question 9 0 out of 3.3 points In impact force introduced to cause the metal to flow in a shaped mold according to the shape to dies made. Selected Answer: b. Toughness Answers: a. Spinning b. Toughness c. Hardness d. Swaging Question 10 0 out of 3.3 points For transmission shafts the allowable deflection is 1 degree in a length of ______diameters. Selected Answer: [None Given] Answers: a. 20 b. 25 c. 40 d. 30 Question 11 0 out of 3.3 points A twist drill is specified by which of the following? Selected Answer: [None Given] Answers: a. Shank, material and diameter b. Its shank and diameter c. Shank, material and flute size d. Its diameter and lip angle Question 12 0 out of 3.3 points In which of the following where pipe is measured? Selected Answer: [None Given] Answers: a. Wire gage b. Inside diameter c. Outside diameter d. Thickness of wall Question 13 0 out of 3.3 points Clutch slippage while clutch is engaged is especially noticeable: Selected Answer: [None Given] Answers: a. During acceleration b. During idling c. During braking d. A low speed Question 14 0 out of 3.3 points An oil storage roof formed to approximately the surface of a right cone, supported only at its periphery Selected Answer: [None Given] Answers: a. Self-supporting cone roof b. Supported cone roof c. Self-supporting umbrella roof d. Self- supporting dome roof Question 15 0 out of 3.3 points Which of the following best defines soldering? Selected Answer: [None Given] Answers: a. It is joining two metals by a third soft metal that is applied in a molten state b. It is joining two metals together by heating c. It is holding two different kinds of metals together d. It is holding two metals together by heating Question 16 0 out of 3.3 points It is a type of coil where the helical coil is wrapped into a circle forming an annular ring. Selected Answer: [None Given] Answers: a. Motor spring b. Volute spring c. Garter spring d. Hair spring Question 17 0 out of 3.3 points What is the other name for Kennedy key? Selected Answer: [None Given] Answers: a. Saddle key b. Tangential key c. Woodruff key d. rollpin Question 18 0 out of 3.3 points The brake capacity to absorb energy is known as: Selected Answer: [None Given] Answers: a. Power b. Resistance brake c. Braking torque d. Energy Question 19 0 out of 3.3 points The breaking strength of oak-tanned beltings varies from 3 to more than Selected Answer: [None Given] Answers: a. 7 ksi b. 5 ksi c. 9 ksi d. 6 ksi Question 20 0 out of 3.3 points When radii of both the bearing and the journal are the same, then the bearing is said to be: Selected Answer: [None Given] Answers: a. Fitted bearing b. Clearance bearing c. Ambiguous bearing d. Full bearing Question 21 0 out of 3.3 points Often ground in the cutting tool face to cause long chips to break into shorter, more manageable pieces Selected Answer: [None Given] Answers: a. Type chips b. Discontinuous chips c. A chip breaker groove d. Non segmented chips Question 22 0 out of 3.3 points It is hardening treatment whereby a cast metal is being heated to a very high temperature then suddenly subjected to rapid cooling to improve hardenability or wear resistance is called Selected Answer: [None Given] Answers: a. Normalizing b. Quenching c. Tempering d. Annealing Question 23 0 out of 3.3 points The purpose of these parts in application are to have better bearing to seal the guard against marring etc. Selected Answer: [None Given] Answers: a. Shaft seal b. Bearing journal c. washer d. Metallic seal Question 24 0 out of 3.3 points The pipe color code in steam is : Selected Answer: [None Given] Answers: a. blue b. silver gray c. gray d. white Question 25 0 out of 3.3 points In which of the following where plug cock offers? Selected Answer: [None Given] Answers: a. The same resistance to flow as an angle valve b. Less resistance to flow than a globe valve c. More resistance to flow than a globe valve d. The same resistance to flow as a globe valve Question 26 0 out of 3.3 points What is the approximate length-to-diameter ration of hydrodynamic bearings? Selected Answer: [None Given] Answers: a. 3 b. 4 c. 2 d. 1 Question 27 0 out of 3.3 points Basic size is the same as design size if there is no: Selected Answer: [None Given] Answers: a. clearance b. tolerance c. limits d. allowance Question 28 0 out of 3.3 points A coupling used for absorbing some shock and vibration that may appear on one shaft and of preventing the occurrence of reversed stresses caused by the shaft deflecting at the coupling preventing at the coupling Selected Answer: [None Given] Answers: a. Rigid coupling b. Flange coupling c. Flexible coupling d. None of these Question 29 0 out of 3.3 points A furnace used in melting non-ferrous metals Selected Answer: [None Given] Answers: a. Cupola furnace b. Tempering furnace c. Crucible furnace d. Induction furnace Question 30 0 out of 3.3 points The general accepted limit of diamond wheel speed should be in the range of _____ fpm. Selected Answer: [None Given] Answers: a. 5000/6000 b. 2500/3500 c. 1000/2000 d. 3000/4000 Question 1 0 out of 3.3 points The most common useful tools to measure diameter in machine shop operation but normally and always used with steel scale for measurement. Selected Answer: b. Vernier Answers: a. Caliper b. Vernier c. Protactor d. Micrometer Question 2 3.3 out of 3.3 points It is used for permanent fits and similar to involute splines except that pressure angle is 14.5° Selected Answer: b. Involute serrations Answers: a. Spline shaft b. Involute serrations c. Separation load d. Stub serrations Question 3 3.3 out of 3.3 points In usual spur gearing, which of the following statement(s) is correct? Selected Answer: a. Tooth outline are usually involute curves Answers: a. Tooth outline are usually involute curves b. Pitch circle and base circle are the same c. Working depth includes the clearance d. Tooth outline are usually cycloidal curves Question 4 3.3 out of 3.3 points Which of the following safety precautions should be followed when renewing a flange gasket? Selected Answer: d. All of these Answers: a. Drain the line thoroughly b. Tie down isolation valves c. Isolate the section to be worked on d. All of these Question 5 3.3 out of 3.3 points Special bearing used with high deflection. Selected Answer: b. Self aligning Answers: a. Babbitt b. Self aligning c. Ball d. Roller Question 6 3.3 out of 3.3 points Wire ropes are made from cold-drawn with ____ more teeth Selected Answer: b. 27 Answers: a. 21 b. 27 c. 23 d. 25 Question 7 0 out of 3.3 points Which of the following is a unit or energy? Selected Answer: d. Watt Answers: a. BTU/hr b. Ft-lb c. Hp d. Watt Question 8 3.3 out of 3.3 points The height of tooth above the pitch circle or the radial distance between pitch circle and top land of the tooth. Selected Answer: a. Addendum Answers: a. Addendum b. Dedendum c. Top rooth d. Top land Question 9 3.3 out of 3.3 points The stress that causes the material to shorten: Selected Answer: b. Compressive Answers: a. Tensile b. Compressive c. Bearing d. Shear Question 10 0 out of 3.3 points Which of the following is not a type of ball bearing? Selected Answer: d. Filling-slot ball bearing Answers: a. Deep-groove ball bearing b. Self-aligning ball bearing c. Shallow groove ball bearing d. Filling-slot ball bearing Question 11 3.3 out of 3.3 points The process of forming 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 Selected Answer: a. forging Answers: a. forging b. turning c. rolling d. casting Question 12 0 out of 3.3 points A welding which consists of short lengths (2 – 3 in. long) of welds with space between as 6 inches on centers Selected Answer: c. MIG weld Answers: a. Intermittent weld b. Spot weld c. MIG weld d. TIG weld Question 13 3.3 out of 3.3 points Its is the irregularities of departures from the nominal surface of greater spacing than roughness? Selected Answer: a. Waviness Answers: a. Waviness b. smoothness c. Roughness d. Lay Question 14 3.3 out of 3.3 points The total deformation measured in the direction of the line of stress. Selected Answer: a. Strain Answers: a. Strain b. Stress c. Endurance limit d. Poisson’s ratio Question 15 3.3 out of 3.3 points A tap or die marked ¼ - 20 indicates: Selected Answer: d. ¼” diameter – 20 threads per in. Answers: a. ¼” turn – 20 times b. ¼”radian – 20 threads per in. c. ¼” radius – 20 cm. long d. ¼” diameter – 20 threads per in. Question 16 0 out of 3.3 points TA system of forces in space is in equilibrium. If two unequal and opposite collinear forces are added, which of the following if any us true? Selected Answer: [None Given] Answers: a. Equilibrium is maintained b. Equilibrium is destroyed c. An unbalance moment exists d. None of these is true Question 17 0 out of 3.3 points What is the rotating member used in transmitting power? Selected Answer: [None Given] Answers: a. Shaft b. Axle c. Counter shaft d. Washer Question 18 0 out of 3.3 points Which of the following bolts provided with a hole at one end instead of usual head Selected Answer: [None Given] Answers: a. Stove bolt b. Stud bolt c. Machine bolt d. Eye bolt Question 19 0 out of 3.3 points More than how many percent of all die casting uses zinc alloys? Selected Answer: [None Given] Answers: a. 80% b. 25% c. 75% d. 50% Question 20 0 out of 3.3 points What tool(s) will be used in making wood pattern in the foundry shop? Selected Answer: [None Given] Answers: a. Saw and chisel b. Band saw c. Drill machine d. Hammer Question 21 0 out of 3.3 points It is a type of bolt distinguished by a short portion of the shank underneath the head being square or finned or ribbed. Selected Answer: [None Given] Answers: a. Carriage bolt b. Stud bolt c. Coupling bolt d. Machine bolt Question 22 0 out of 3.3 points Range of helix angle on helical gear Selected Answer: [None Given] Answers: a. 20-35 b. 35-40 c. 15-25 d. Less than 18 Question 23 0 out of 3.3 points A piece of tool steel held against an emery wheel will give off Selected Answer: [None Given] Answers: a. Yellow sparks b. Green sparks c. No sparks d. White sparks with stars on the ends Question 24 0 out of 3.3 points The ability of metal to be deformed considerably without rupture Selected Answer: [None Given] Answers: a. malleability b. ductility c. elasticity d. plasticity Question 25 0 out of 3.3 points How do you call the velocity of the chip relative to the tool face Selected Answer: [None Given] Answers: a. Shear velocity b. Cutting speed c. Chip velocity d. Rake velocity Question 26 0 out of 3.3 points When heat-treated wire is coiled cold. It should be stress relieved for bending stress and after cooling it is heated at some: Selected Answer: [None Given] Answers: a. 600°F b. 500°F c. 700°F d. 400°F Question 27 0 out of 3.3 points An approximate safe rule for cutting new pistons for steam pumps is to allow: Selected Answer: [None Given] Answers: a. 0.001” between piston and cylinder for each inch diameter of piston b. 0.0001” between piston and cylinder for each inch diameter of piston c. 0.002” between piston and cylinder for each inch diameter of piston d. 0.010” between piston and cylinder for each inch diameter of piston Question 28 0 out of 3.3 points Some experiments made at Cornell University showed that experience mechanic could bread a _________ bolt due to tightening Selected Answer: [None Given] Answers: a. 5/8 “ b. 7/16 “ c. ½” d. 3/8 “ Question 29 0 out of 3.3 points The properties of metal to withstand loads without breaking down is: Selected Answer: [None Given] Answers: a. Strength b. Elasticity c. Plasticity d. strain Question 30 0 out of 3.3 points Which of the following iron ores also known as “brown hematite” of ferric oxide a yellowish brown powder? Selected Answer: [None Given] Answers: a. Magnetite b. Siderite c. Hematite d. Limatite Question 1 0 out of 3.3 points What is meant by drossing? Selected Answer: [None Given] Answers: a. A method of cleaning the casting b. An inspection method for castings c. The formation of oxides on the molten metal surface d. A method of deoxidation of molten metal Question 2 0 out of 3.3 points The size of a drill is stamped on the: Selected Answer: [None Given] Answers: a. Shank b. Margin c. Flute d. Point Question 3 0 out of 3.3 points It is the distance measure axially from a point on one thread to the corresponding point on an adjacent thread Selected Answer: [None Given] Answers: a. Lead b. Axial pitch c. Lead angle d. Z – pitch Question 4 0 out of 3.3 points It is the element whose chief function is to strengthen the ferrite. It is used with tungsten to develop red hardness or the ability to remain hard when red hot. Selected Answer: [None Given] Answers: a. Chromium b. Molybdenum c. Cobalt d. Nickel Question 5 0 out of 3.3 points The path traced by a point moving at a fixed distance from an axis and with a uniform motion to the axis and a point moving such a path: Selected Answer: [None Given] Answers: a. Spherical motion b. Path of a point c. Translational d. Helical motion Question 6 0 out of 3.3 points It is a type of bolt distinguished by a short portion of the shank underneath the head being square or finned or ribbed. Selected Answer: [None Given] Answers: a. Stud bolt b. Carriage bolt c. Machine bolt d. Coupling bolt Question 7 0 out of 3.3 points The working load P for a chain for crane applications is expressed in terms of diameter of link “d” in cm as follows. Selected Answer: [None Given] Answers: a. P = 50d2 b. P = 25d2 c. P = 1.5d2 d. P = 500d2 Question 8 0 out of 3.3 points Delta iron occurs at temperature of: Selected Answer: [None Given] Answers: a. Between 1400oC & 1535oC b. Above melting point c. Room temperature d. Between 1000oC & 1400oC Question 9 0 out of 3.3 points Which of the following is the most dominant cause (approximately 80%) of machine failures? Selected Answer: [None Given] Answers: a. Fatigue failures b. Torsion c. Compression d. Negligence Question 10 0 out of 3.3 points Ceramic tools operate at what temperature Selected Answer: [None Given] Answers: a. Above 2000 F b. Below 2000 F c. Below 2200 F d. Above 2200 F Question 11 0 out of 3.3 points Which of the following represents manganese steel? Selected Answer: [None Given] Answers: a. 13XX b. 40XX c. 10XX d. 50XX Question 12 0 out of 3.3 points Application of a thin phosphate coating of steel to improve corrosion resistance Selected Answer: [None Given] Answers: a. honing b. parkerizing c. Hard surfacing d. galvanizing Question 13 0 out of 3.3 points Web is a part of a drill and is usually thicker ______. Selected Answer: [None Given] Answers: a. Nearing the shank b. Beside the land c. At the tip portion d. Close to the future Question 14 0 out of 3.3 points Permanent deformation or strain may occur without fracture. Selected Answer: [None Given] Answers: a. malleability b. elasticity c. ductility d. plasticity Question 15 0 out of 3.3 points Cast iron weighs 640 lbs per cubic foot. How much is the weight of a cast iron block 14” x 12” x 18”? Selected Answer: [None Given] Answers: a. 1088 lbs b. 1200 lbs c. 1120 lbs d. 1000 lbs Question 16 0 out of 3.3 points A process in which metal is dipped in dilute acid solutions to remove dirt grease oxides Selected Answer: [None Given] Answers: a. Sheradizing b. pickling c. Polishing d. Super finishing Question 17 0 out of 3.3 points When the dial on the cross-feed is turned 0.010”, how much is removed from the diameter of the stock being cut? Selected Answer: [None Given] Answers: a. 0.005” b. 0.020” c. 0.010” d. 0.015” Question 18 0 out of 3.3 points In general the design stress and factor of safety are related as follows: Selected Answer: [None Given] Answers: a. Design stress = ultimate stress times factor of safety b. Design stress = factor of safety divided by design stress c. Design stress = ultimate stress divided by factor of safety d. Design stress = design stress divided by ultimate stress Question 19 0 out of 3.3 points Which of the following considers the 300 series of bearing? Selected Answer: [None Given] Answers: a. Heavy b. Medium c. Light d. All of these Question 20 0 out of 3.3 points What is the maximum shaft amgle for singleHooke’s Selected Answer: [None Given] Answers: a. 17° b. 15° c. 20° d. 10° Question 21 0 out of 3.3 points Which of the following is not a kind of mandrel? Selected Answer: [None Given] Answers: a. Expansion mandrel b. Taper mandrel c. Contraction mandrel d. Gang mandrel Question 22 0 out of 3.3 points It is an alloy of copper and zinc. It is approximately 1/3 zinc and 2/3 copper. Selected Answer: [None Given] Answers: a. Bronze b. Muntz metal c. Silver d. Brass Question 23 0 out of 3.3 points What are the two principal parts of a Journal Bearing? Selected Answer: [None Given] Answers: a. Shaft and cylinder b. Clearance and fitted c. Shaft and babbit d. Bearing and journal Question 24 0 out of 3.3 points What tool used in precision work to smooth or enlarge holes? Selected Answer: [None Given] Answers: a. Drift pin b. Round out c. Reamer d. Protractor Question 25 0 out of 3.3 points Which of the following laws which states that the forces of attraction between two bodies is directly proportional to the production of their masses and inversely proportional to distance square between their centers. Selected Answer: [None Given] Answers: a. Hooke’s law b. Newton’s law c. Law of motion d. Law of gravitation Question 26 0 out of 3.3 points For thrust bearing, the speed at moderate operating condition is: Selected Answer: [None Given] Answers: a. 50 < Vm > 220 fpm b. 50 < Vm > 250 fpm c. 50 < Vm > 250 fpm d. 50 < Vm > 200 fpm Question 27 0 out of 3.3 points A carbon tool steel can be given a good edge, but is restricted to use below Selected Answer: [None Given] Answers: a. 300 – 400 F b. 700 – 800 F c. 400 – 600 F d. 800 – 100 F Question 28 0 out of 3.3 points Which of the following terms is applied to qualities such as time, volume and density? Selected Answer: [None Given] Answers: a. Couple b. Scalar c. Resultants d. Components Question 29 0 out of 3.3 points A machine tool in which metal is removed by means of a revolving cutter with many teeth, each tooth having a cutting edge which removes its share of the stock Selected Answer: [None Given] Answers: a. Broaching machine b. Lathe machine c. Milling machine d. Boring machine Question 30 0 out of 3.3 points A key with one several patented methods of keying is driven or pressed into a hole that is small enough to close the slit, assembled in radial direction Selected Answer: [None Given] Answers: a. Roll pin b. Fit key c. Saddle key d. Pin key Question 1 0 out of 3.3 points The path traced by a point moving at a fixed distance from an axis and with a uniform motion to the axis and a point moving such a path: Selected Answer: [None Given] Answers: a. Translational b. Path of a point c. Helical motion d. Spherical motion Question 2 0 out of 3.3 points The theory of mechanics of material shows that the results from the octahedral shear stress theory and those from the maximum distortion-energy theory are Selected Answer: [None Given] Answers: a. More than b. Less than c. The same d. Not related Question 3 0 out of 3.3 points It is relatively finely spaced irregularities of the surfaces Selected Answer: [None Given] Answers: a. Smoothness b. Roughness c. Lay d. Waviness Question 4 0 out of 3.3 points A shaft’s natural frequency of vibration is referred to as the Selected Answer: [None Given] Answers: a. Critical speed b. Normal speed c. High speed d. Low speed Question 5 0 out of 3.3 points Wheels are sometimes used for the transmission of high power when an approximately constant velocity ratio is desired: Selected Answer: [None Given] Answers: a. Bevel cones b. Spur friction wheels c. Friction gearing d. Evans friction wheels Question 6 0 out of 3.3 points Arc metal patterns are used for: Selected Answer: [None Given] Answers: a. Precision castings b. Large castings c. Small castings d. Large scale production of castings Question 7 0 out of 3.3 points A single force, which produces the same effect upon a mass as two or several forces acting together, is called: Selected Answer: [None Given] Answers: a. Components b. Resolution of forces c. Resultant d. Composition of Forces Question 8 0 out of 3.3 points The maximum stress to which a material may be subjected before failure occurs. Selected Answer: [None Given] Answers: a. Proportional limit b. Rupture strength c. Ultimate strength d. Yield strength Question 9 0 out of 3.3 points Which of the following is not a kind of cast iron? Selected Answer: [None Given] Answers: a. Gray iron b. White iron c. Lead iron d. Malleable iron Question 10 0 out of 3.3 points Which process does not belong to the group? Selected Answer: [None Given] Answers: a. Feeler gage b. Vise grip c. Torque wrench d. Adjustable wrench Question 11 0 out of 3.3 points The common deoxidizer and cleanser of steel, forming oxides and sulfates, that are carried off in the slag. Selected Answer: [None Given] Answers: a. Carbon b. Manganese c. Tungsten d. Sulfur Question 12 0 out of 3.3 points The resultant of a pair of equal forces but opposite in direction is called: Selected Answer: [None Given] Answers: a. Couple b. Resultant c. Concurrent d. Non-concurrent Question 13 0 out of 3.3 points For wrought steel in its commonly met commercial forms, it is often assumed that the average endurance limit for an average Su (50% survival) with the Brinell Hardness is limited to: Selected Answer: [None Given] Answers: a. 450 b. 400 c. 240 d. 500 Question 14 0 out of 3.3 points Safety feature that must be placed and maintained at Machine, Blacksmith, Welding and Foundry Shops. Selected Answer: [None Given] Answers: a. Safety notice b. Safety goggles c. Walkway guide d. Safety notice in markers / boards Question 15 0 out of 3.3 points Which of the following is frequently used bolt in automotive and aircraft industries Selected Answer: [None Given] Answers: a. UNC b. NC c. UNF d. UNEF Question 16 0 out of 3.3 points In case of a knuckle joint, the pin is most likely to fail in: Selected Answer: [None Given] Answers: a. Tension b. Compression c. Shear d. Double shear Question 17 0 out of 3.3 points What is/are the reason(s) of soda being added to water and is used for cooling instead of plain water? Selected Answer: [None Given] Answers: a. It reduces the amount of heat generated b. It improves the finish c. It overcomes rusting d. All of these Question 18 0 out of 3.3 points It is a type of coil where the helical coil is wrapped into a circle forming an annular ring. Selected Answer: [None Given] Answers: a. Volute spring b. Motor spring c. Garter spring d. Hair spring Question 19 0 out of 3.3 points What is the direction of the predominantsurface pattern? Selected Answer: [None Given] Answers: a. Lay b. Smoothness c. Waviness d. Roughness Question 20 0 out of 3.3 points The angle at which the tool meets the workpiece is characterized by Selected Answer: [None Given] Answers: a. Relief angle b. Clearance angle c. Wedge angle d. True rake angle Question 21 0 out of 3.3 points Which of the following is the best file to be used when finishing sharp corners or slots and grooves Selected Answer: [None Given] Answers: a. Jewelers file b. Mill file c. Knife file d. Square Question 22 0 out of 3.3 points The minimum value of numerical combined shock and fatigue factor to be applied in every case to the computed bending moment of the shaft is : Selected Answer: [None Given] Answers: a. 1.75 b. 1.5 c. 2.0 d. 1.3 Question 23 0 out of 3.3 points How do you call the velocity of the chip relative to the work piece Selected Answer: [None Given] Answers: a. Rake velocity b. Shear velocity c. Cutting speed d. Chip velocity Question 24 0 out of 3.3 points A mechanism which usually do the indexing in a machine tool: Selected Answer: [None Given] Answers: a. Slooter b. indexing c. Dividing head d. Universal chuck Question 25 0 out of 3.3 points A stainless steel is obtained principally by the use of the following alloying element Selected Answer: [None Given] Answers: a. chromium b. tungsten c. carbon d. phenol Question 26 0 out of 3.3 points The operation of removing scrap blanks from the workpiece, leaving the source piece as the final product. Selected Answer: [None Given] Answers: a. Coining b. Clanking c. Punching d. Drawing Question 27 0 out of 3.3 points Which of the following flanges is suitable for low and moderate pressure? Selected Answer: [None Given] Answers: a. Tapered-hub flange b. Welding neck type c. Lap joint flange d. Ring-flange Question 28 0 out of 3.3 points A tolerance where the size of a part is a permitted to be either larger or smaller than the given dimension. Selected Answer: [None Given] Answers: a. Unilateral b. Lateral c. Bilateral d. None of these Question 29 0 out of 3.3 points When meshed gear, it is used to change rotary motion to reciprocating motion Selected Answer: [None Given] Answers: a. Gear shaft b. Gear tooth c. Gear rack d. Gear motor Question 30 0 out of 3.3 points What is the minimum number of teeth on a smaller sprocket for moderate speed? Selected Answer: [None Given] Answers: a. 17 b. 21 c. 12 d. 14 Question 1 0 out of 3.3 points The riveted joints in ASME Code has as design surface compressive stress ______ higher than the design tensile stress. Selected Answer: [None Given] Answers: a. 70 % b. 35 % c. 50 % d. 60 % Question 2 0 out of 3.3 points The operation of enlarging a hole by means of an adjustable cutting tool with only one cutting edge Selected Answer: [None Given] Answers: a. Boring b. Broaching c. Drilling d. Milling Question 3 0 out of 3.3 points The best materials for brake drums is: Selected Answer: [None Given] Answers: a. Wrought iron b. Aluminum c. Cast iron d. Steel material Question 4 0 out of 3.3 points Which of the following is the best process for butt welding of two plates each of which is 25 mm thick? Selected Answer: [None Given] Answers: a. Submerged arc welding b. Gas welding c. Electro slag welding d. Steam welding Question 5 0 out of 3.3 points The amount of variation permitted in the size of a part. it is the difference between the limits of maximum and minimum dimensions of a given part. It may be expressed at plus, minus, or as both plus and minus. Selected Answer: [None Given] Answers: a. Tolerance b. Variation c. Limits d. Clearance Question 6 0 out of 3.3 points How do you call the tool used for cleaning files? Selected Answer: [None Given] Answers: a. Scraper b. File oilstone c. File card d. File cleaner Question 7 0 out of 3.3 points The reciprocal of the diametral pitch equivalent to the ratio of pitch diameter to the number of teeth: Selected Answer: [None Given] Answers: a. clearance b. module c. lead d. involute Question 8 0 out of 3.3 points A piece of mild steel held against an emery wheel will give off Selected Answer: [None Given] Answers: a. Green sparks b. No sparks c. Bright shiny sparks d. Light straw-colored sparks Question 9 0 out of 3.3 points The product of the mass and the velocity of the center of gravity of the body is called: Selected Answer: [None Given] Answers: a. Linear momentum b. Angular impulse c. Angular momentum d. Linear impulse Question 10 0 out of 3.3 points Considering that there is no fit, what is the permissible liberal tolerance in machining work? Selected Answer: [None Given] Answers: a. + 0.090 b. + 0.010 c. + 0.020 d. + 0.050 Question 11 0 out of 3.3 points If the first digit in AISI and SAE designations is one (1), then it indicates what? Selected Answer: [None Given] Answers: a. Chromium steels b. Carbon steels c. Molybdenum steels d. Nickel steels Question 12 0 out of 3.3 points A fine finishing operation, similar to polishing, using a very fine polishing compound Selected Answer: [None Given] Answers: a. burnishing b. Calorizing c. electroplating d. buffing Question 13 0 out of 3.3 points Involves holding and applying pressure to round heated blanks. Selected Answer: [None Given] Answers: a. Flash b. Upset forming c. Pickling d. Parting time Question 14 0 out of 3.3 points It is abundantly used worldwide as coating on top of the plate of automobiles Selected Answer: [None Given] Answers: a. Manganese b. Babbit c. Lead d. Tin Question 15 0 out of 3.3 points Which of the following is not structural class of steel? Selected Answer: [None Given] Answers: a. High chrome alloy steel b. Tool and die steel c. Low carbon steel d. High strength low alloy steel Question 16 0 out of 3.3 points In impact force introduced to cause the metal to flow in a shaped mold according to the shape to dies made. Selected Answer: [None Given] Answers: a. Toughness b. Swaging c. Hardness d. Spinning Question 17 0 out of 3.3 points The portion of a gear tooth that projects above outside the pitch circle Selected Answer: [None Given] Answers: a. Top relief b. Addendum c. Tooth space d. Dedendum Question 18 0 out of 3.3 points It fits to 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. Selected Answer: [None Given] Answers: a. Bearing center b. Live center c. Ram center d. Spindle center Question 19 0 out of 3.3 points The ability of metal to be deformed considerably without rupture Selected Answer: [None Given] Answers: a. elasticity b. plasticity c. malleability d. ductility Question 20 0 out of 3.3 points A kinematic chain needs a minimum: Selected Answer: [None Given] Answers: a. 2 links and 2 turning pairs b. 3 links and 2 turning pairs c. 4 links and 4 turning pairs d. 3 links and turning pairs Question 21 0 out of 3.3 points Serve as accumulators to feed molten metal into the cavity during initial shrinkage Selected Answer: [None Given] Answers: a. Draft b. Downgate c. Risers d. Gates Question 22 0 out of 3.3 points The uniform heating of steel above the usual hardening temperatures, followed by cooling freely in air Selected Answer: [None Given] Answers: a. hardening b. tempering c. normalizing d. annealing Question 23 0 out of 3.3 points The recommended means of supporting the chuck during the mounting procedure to the lathe spindle is to use : Selected Answer: [None Given] Answers: a. Crane b. Ratchet c. Jack d. Overhead Question 24 0 out of 3.3 points The property of steel which resist indention or penetration. Selected Answer: [None Given] Answers: a. Hardness b. Elasticity c. Ductility d. None of these Question 25 0 out of 3.3 points It is simply defined as a simple push and pull. Selected Answer: [None Given] Answers: a. Power b. Inertia c. Force d. Work Question 26 0 out of 3.3 points A research agency handling assistance to all foundry machine shop and metallurgical plant operation. Selected Answer: [None Given] Answers: a. MIRDC b. BOI c. DOST d. All of these Question 27 0 out of 3.3 points A liquid metal at room temperature Selected Answer: [None Given] Answers: a. Zirconium b. Mercury c. Zinc d. Aluminum Question 28 0 out of 3.3 points The property that characterizes a material’s ability to be drawn into a wire. Selected Answer: [None Given] Answers: a. Tensile strength b. Thermal conductivity c. Ductility d. Endurance limit Question 29 0 out of 3.3 points The ratio of lateral strain to longitudinal strain. Selected Answer: [None Given] Answers: a. Modulus of elasticity b. Deformation c. Willan’s line d. Poisson’s ratio Question 30 0 out of 3.3 points The effective face width of a helical gear divided by the axial pitch. This is sometimes called face overlap Selected Answer: [None Given] Answers: a. Angle overlap b. Contact overlap c. Helical overlap d. Axial overlap Question 1 0 out of 3.3 points If two intersecting shafts are to be belt connected _____ guide pulleys are to be used Selected Answer: [None Given] Answers: a. 4 b. 2 c. 3 d. 1 Question 2 0 out of 3.3 points The top surface joining the two sides of a thread. Selected Answer: [None Given] Answers: a. Space b. Crest c. Pitch d. Lead Question 3 0 out of 3.3 points The motor power in kW of a forming or bending machine 1600 mm width, 508 mm head movement is: Selected Answer: [None Given] Answers: a. 7.5 kW b. 15 kW c. 11 kW d. 22 kW Question 4 0 out of 3.3 points The creation (by spraying, plating, fusion welding or heat treatment of hard metal surface in softer product Selected Answer: [None Given] Answers: a. galvanizing b. honing c. parkerizing d. Hard surfacing Question 5 0 out of 3.3 points The most commonly-used series in the bulk production of bolts, screw, nuts and other general applications in the coarse-thread series. Selected Answer: [None Given] Answers: a. UNC b. UNF c. Lead d. White iron Question 6 0 out of 3.3 points Which of the following is not used to resemble the shape of tool bit? Selected Answer: [None Given] Answers: a. Round nose b. Square nose c. Thread cutting d. Center cut Question 7 0 out of 3.3 points The sum of their addendums and dedendums is: Selected Answer: [None Given] Answers: a. Working depth b. Width of space c. Full depth d. Whole depth Question 8 0 out of 3.3 points An imaginary circle passing through the points at which the teeth of the meshing gears contact each other Selected Answer: [None Given] Answers: a. Dedendum circle b. Pitch circle c. Base circle d. Addendum circle Question 9 0 out of 3.3 points Which type of hardening will work to some extent in all metals? Selected Answer: [None Given] Answers: a. Austenitizing b. Martempering c. Work hardening d. Annealing Question 10 0 out of 3.3 points The _____ is one of the rigid members / bodies joined together to form a kinetic chain Selected Answer: [None Given] Answers: a. coplanar b. link c. machine d. frame Question 11 0 out of 3.3 points Which of the following is the orientation of the axes of the two shafts in cross helical worm? Selected Answer: [None Given] Answers: a. Non-parallel b. Parallel c. Intersecting d. Non-parallel and non-intersecting Question 12 0 out of 3.3 points Form experience specify the conventional limit of flywheel operations to be at 6000 ft/min for cast iron and ________ for cast steel. Selected Answer: [None Given] Answers: a. 12000 b. 10000 c. 8000 d. 7000 Question 13 0 out of 3.3 points Galvanized iron is term referring to iron coated with Selected Answer: [None Given] Answers: a. zinc b. tin c. manganese d. aluminum Question 14 0 out of 3.3 points The crest diameter of a screw thread is same as: Selected Answer: [None Given] Answers: a. Base diameter b. Pitch diameter c. Major diameter d. Minor diameter Question 15 0 out of 3.3 points A circle coinciding with a tangent to the bottom of the tooth space Selected Answer: [None Given] Answers: a. Root circle b. Pitch circle c. Dedendum circle d. Addendum circle Question 16 0 out of 3.3 points Soluble in the presence of high temperature iron used in specific cases, usually in finishing operations Selected Answer: [None Given] Answers: a. Ceramic tools b. Carbon tool steel c. High speed steel d. diamonds Question 17 0 out of 3.3 points A lathe with multiple cutting stations: Selected Answer: [None Given] Answers: a. Turret lathe b. Engine lathe c. Manual lathe d. None of these Question 18 0 out of 3.3 points Opposite direction parallel forces Selected Answer: [None Given] Answers: a. concurrent b. Non-coplanar c. couple d. coplanar Question 19 0 out of 3.3 points A liquid metal: Selected Answer: [None Given] Answers: a. Mercury b. Aluminum c. Zinc d. Lead Question 20 0 out of 3.3 points A plain carbon steel with approximately 0.9 to 1.3% carbon which has been hardened and tempered Selected Answer: [None Given] Answers: a. High speed steel b. Medium speed steel c.