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  MD 2 1. A machine tool in which an abrasive wheel is used as a cutting tool to obtain a very smooth finish.  A. Planer B. Shaper C. Power saw D. Grinder 2. It is used to produce a variety of surfaces by using a circular type cutter with multiple teeth. A. Milling machine B. Broaching machine C. Bending machine D. Hemming machine 3. A heavy rotating body which serves as reservoir for absorbing and redistributing kinetic energy.  A. Shaft B. Governor C. Flywheel D. Puncher 4. A kind of gear used for heavy duty works where a large ratio of speed is required and are extensively used in speed reducers.  A.Helical gear B. Worm gear C. Bevel gear D. Spiral gear 5. A kind of gear used to transmit motion from one shaft to another shaft at angle to the first.  A. Helical gearB. Worm gear C. Bevel gear D . Spiral gear 6. The minimum thickness of steel members exposed to weather and accessible for painting is: A. 6 mm B. 8 mm C. 4 mm D. 10 mm 7. The common deoxidizer and cleanser of steel, forming oxides and sulfates, that are carried off in the slag.  A. Manganese B. Carbon C. Tungsten D. Sulfur 8. A highly transparent and exceedingly hard crystalline stone of almost pure carbon. A. Gold B. Diamond C. Bronze D, Crystalline 9. A fine grained, salty silica rock used for sharpening edge tools.  A. Eutectoid B. Austenite C. Oilstone D. Pearlite 10. An amorphous solid made by fusing silica with a basic oxide.  A. Pearlite B. Rock C. Silicon D. Glass 11. A soft yellow metal, known since ancient times a precious metal which all material values are based.  A. Solidus B. Bronze C. Gold D. Austenite 12. The operation of cooling a heated piece of work rapidly by dropping it in water, brine or oil.  A. Normalizing B. Quenching C. Annealing D. Squeezing 13. A device used to prevent leakage of media.  A. Seal B. Packing C. Teflon D. Graphite 14. A welding operation in which a non-ferrous filer metal melts at a temperature below that of the metal joined by is heated above 450C.  A. Arc welding B. Brazing C. Spot welding D. Butt welding 15. The process of working metal by the application of sudden blows or by a steady pressure.  A. Trimming B. Welding C. Forging D. Lancing 16. The process of producing a variety of surfaces by using a circular type cutter with multiple teeth.  A. Piercing B. Cutting C. Embossing D. Milling 17. The softening of metals by heat treatment and most commonly consists of heating the metals up to near molten state then cooling them slowly.A. Quenching B. Tempering C. Annealing D. Forming 18. The maximum stress induced in a material when subjected to alternating or repeated loading without causing failure.  A. Elastic limit B. Proportional limit C. Rupture strength D. Endurance limit 19. The total deformation measured in the direction of the line of stress.  A. Axial deformation B. Elongation C. Strain D. Unit stress 20. The maximum stress to which a material can be subjected without a trace of any permanent set remaining upon a complete withdrawal of the stress.  A. Ultimate limit B. Proportional limit C. Endurance limit D. Elastic limit 21. The total permissible variation in the size of a dimension; the difference between the limits of the size.  A. Deformation B. Variance C. Tolerance D. Allowance 22. Fluid film desired between two surfaces having relative sliding motion.  A. Lube oil B. Lubrication C. Graphite D. Grease 23. Flexible material used to seal pressurized fluids, normally under dynamic conditions.  A. Packing B. Teflon C. Seals D. Safety shields 24. A total resistance that a material offers to an applied load.  A. Flexure B. Stress C. Elasticity D. Rigidity 25. A property of material which relates the lateral strain to the longitudinal strain. A. Rigidity B. Elasticity C. Poisson’s ratio  D. Deflecion 26. A kind of gear used for heavy duty works where a large ratio of speed is required and are extensively used in speed reducers.  A. Spiral gear B. Bevel gear C. Worm gear D. Helical gear 27. A kind of gear used to transmit motion from one shaft to another shaft at an angle to the first.  A. Spiral gear B. Worm gear C. Helical gear D. Bevel gear 28. Which of the following is not a classification of iron ore?  A. Hematite B. Magnetite C. Sulfurite D. Siderite 29. Which of the following metals will respond to heat treatment?  A. Cast iron B. Medium carbon steel C. Wrought iron D. Low carbon steel 30. Which of the following is a non-magnetic?  A. Cast iron B. Alloy steel C. Cast steel D. Manganese steel 31. The ability of metal to withstand loads without breaking down.  A. Stress B. Strength C. Strain D. Elasticity 32. A machining operation whereby the tool reciprocates and the feed is stationary. A. Shaping B. Reaming C. Planning D. Turning 33. Any material that retard the flow of electricity used to prevent passage or escape of electric current from conductors.  A. Insulators B. Bricks C. Ceramics D. Refractories 34. A metallic element and the only metal that is liquid at ordinary temperature:  A. Austenite B. Mercury C. Manganese D. Martensite 35. An alloy of copper and zinc  A. Aluminum B. Bronze C. Brass D. Nickel 36. Usually a copper-tin alloy is:  A. Aluminum B. Nickel C. Brass D. Bronze 37. A tool with hardened points used for scribing circles or laying of distance. A. Trammel B. Caliper C. Divider D. Micrometer 38. Name of mechanism which a welding operator holds during gas welding and at the end of which the gases are burned to perform the various gas welding operations.  A. Mash B. Core C. Wobble D. Torch 39. The maximum stress to which a material may be subjected before failure occurs.   A. Rupture stress B. Yield stress C. Ultimate stress D. Allowable stress 40. The maximum stress induced in a material when subjected to alternate or repeated loading without causing failure.  A. Yield point B. Ultimate point C. Endurance limit D. Proportional limit 41. Which of the following is not a classification of iron ore?  A. Hematite B. Magnetite C. Sulfurite D. Siderite 42. Of the following metals, which will respond to heat treatment?  A. Cast iron B. Wrought iron C.Medium iron D. Low carbon iron 43. Materials, usually ceramics, simply employed where resistance linings and metal melting pots:  A. Refractories B. Gaskets C. Insulators D. Safety shield 44. The softening of metals by heat treatment and most commonly consists of heating the metals up to near molten state and then cooling them slowly.  A. Annealing B. Hardening C. Normalizing D. Tempering 45. The process of producing a variety of surfaces using a circular type cutter with multiple teeth.  A. Milling B. Drilling C. Broaching D. Boring 46. The process of working metals by the application of sudden blows or by a steady pressure.  A. Rolling B. Forging C. Casting D. Turning 47. A welding operation in which a non-ferrous filler metal melts at a temperature below that of the metal joined but is heated above 450C. A. Spot welding B. Gas welding C. Brazing D. Arc welding 48. The operation of cooling heated piece of work rapidly by dropping it in water, brine or oil.  A. Quenching B. Tempering C. Annealing D. Normalizing 49. A machine tool in which an abrasive wheel is used as a cutting tool to obtain a very high degree of accuracy and a smooth finish in metal parts, including soft and hardened steel.  A. Grinding machine B. Broaching machine C. Milling machine D.Boring machine 50. A machine tool used principally to machine flat place surfaces with a single point cutting tool.  A. Shaper B. Planer C. Grinder D. Broaching machien 51. A tool used for measuring diameters.  A. Micrometer B.Tachometer C. Py rometer D. Caliper 52. The total permissible variation in the size of dimension; the difference between the limits of size.  A. Tolerance B. Fits C. Allowance D. Clearance 53. The maximum stress to which a material can be subjected without a trade of any permanent set remaining upon a complete withdrawal of the stress.  A. Ultimate stress B. Rupture stress C. Elastic limit D. Proportional limit 54. A fluid film desired between two surfaces having sliding motion.  A. Lubrication B. Seal C. Packing D. Safety shield 55. A total deformation measured in the direction of the line of stress. A. Stress B. Strain C. Endurance limit D. Poisson’s ratio  56. A kind of gear used for heavy duty works where a large ratio of speed is required and are extensively used in speed reducers.  A. Worm gear B. Spiral gear C. Helical gear D. Bevel gear 57. A kind of gear used to transmit motion from one shaft to another shaft at an angle to the first.  A. Worm gear B. Spiral gear C. Helical gear D. Bevel gear 58. The area of machine shop where metal is being melted to form a new shape:  A. Welding area B. Mass production area C. Foundry area D. Tool and die 59. A machine used in shaping metal by means of abrasive wheel or removal of metals with an abrasive is called:  A. Planer B. Power saw C. Shaper D. Grinding machine 60. The ability of material or metal to resist being crushed is:  A. Compressive strength B. Fatigue strength C. Torsional strength D. Bending strength 61. A machining operation whereby the tool rotates while the feed is stationary. A. Shaping B. Milling C. Turning D. Reaming 62. A machining operation whereby the tool reciprocates and the feed is stationary. A. Reaming B. Planing C. Shaping D. Turning 63. Which of the following metals is easy to chisel? A. Alloy steel B. Stainless steel C. Manganese steel D. Cast iron steel 64. Ferrous metals contains relatively large amount of:  A. Carbon B. Manganese C. Phosphorous D. Sulfur 65. Which of the following is not a strength property of metals?  A. Tensile strength B. Rocking strength C. Fatigue strength D. Torsional strength 66. Which of the following is not a kind of mandrel?  A. Expansion mandrel B. Contraction mandrel C. Taper mandrel D. Gang mandrel 67. Which of the following is not part of lathe machine?  A. Tailstock B. Headstock C. Carriage D. Fan 68. The range of motor power in KW of a universal milling machine max feed movement 1270 mm lengthwise, 355 mm lateral, 508 vertical is:  A. 11 to 15 KW B. 16 to 21 KW C. 7.5 to 10 KW D. 22 to 30 KW 69. The motor power in KW of a punch press, 50.8 mm hole diameter, 25.4 mm thickness, the soft steel is:  A. 15 KW B. 21 KW C. 7.5 KW D. 30 KW 70. The range of motor power in KW of a cylindrical grinding machine 600 X 50 mm wheel size, 2400 to 4200 mm distance is:  A. 11 to 15 KW B. 16 to 21 KW C. 7.5 KW D. 22 to 30 KW 71. The motor power in KW of a forming or bending machine 1600 mm width, 508 mm head movement is:  A. 7.5 kW B. 11 kW C. 15 kW D. 22 kW 72. The range of motor power in KW of an engine lathe machine, average service 1000 mm to 1300 mm swing.  A. 11 to 15 kW B. 7.5 to 10 kW C. 16 to 21 kW D. 22 to 30 kW 73. A machine which can flatten surfaces in a horizontal, vertical, or angular plane.  A. Shaper B. Planer C. Power saw D. Tool grinder 74. The ability of metal to withstand forces thus following a number of twist.. A. Shear strength B. Bearing strength C. Endurance limit D. Deformation 75. A property of material which relates the lateral strain to the longitudinal strain.   A. Stress B. Modulus of elasticity C. Poisson’s ratio D. Deformation 76. A total resistance that a material offers to an applied load.  A. Friction force B. Stress C. Rigidity D. Compressive force 77. A total deformation measured in the direction of the line of stress. A. Strain B. Elasticity C. Elongation D. Contraction 78. An alloy of copper and zinc.  A. Aluminum B. Brass C. Bronze D. Chromium 79. A metallic element of copper  –  tin alloy.  A. Aluminum B. Brass C. Bronze D. Chromium 80. A metallic element and only metal that is liquid at ordinary temperature.  A. Aluminum B. Mercury C. Zirconium D. Zinc 81. Any material that retard the flow of electricity, used to prevent passage or escape of electric current from conductors.  A. Refractory B. Ceramics C. Coating material D. Insulator 82. The maximum stress to which a material may be subjected before failure occurs  A. Rupture strength B. Ultimate strength C. Yield strength D. Proportional limit 83. The maximum stress induced in a material when subjected to alternating or repeated loading without causing failure.  A. Ultimate strength B. Yield strength C. Endurance strength D. Rupture strength 84. Fluid film desired between two surfaces having relatively sliding motion.  A. Lube oil B. Graphite C. Packing D. Lubrication 85. The ability of metal to withstand loads without breaking down.  A. Strength B. Elasticity C. Rigidity D. Deformation 86. Materials, usually ceramics, employed where resistance to very high temperature is required, as for furnace linings and metal melting pots.  A. Insulators B. Gaskets C. Packings D. Refractories 87. An alloying elements used principally to produce stainless steel:  A. Aluminum B. Brass C. Bronze D. Chromium 88. A coating material used to produce galvanized iron:  A. Zirconium B. Zinc C. Aluminum D. Chromium 89. A group of thin steel strips used for measuring clearances.  A. Feeler gage B. Tachometer C. Micrometer D. Caliper 90. A hand tool used to measure tension in bolts:  A. Torque wrench B. Tachometer C. Shaver D. Tensor 91. Ratio of pitch diameter to the number of teeth  A. Diametral pitch B. Module C. Contact ratio D. Helical overlap 92. A circle the radius of which is equal to the distance from the gear axis to the pitch point.  A. Pitch circle B.Root circle C. Base circle D. Outside circle 93. A circle coinciding with a tangent to the bottom of the tooth spaces.  A. Pitch circle B. Root circle C. Base circle D. Outside circle 94. The method of cold working by compression  A. Broaching B. Lapping C. Piercing D .Reaming 95. A machine tool used to finish internal and external surfaces by the use of a cutter called a broach, which has a series of cutting edges or teeth.  A. Lathe machine B. Broaching machine C. Planer D. Shaper 96. A cutting tool which is made to move slowly while acting on the work which is revolving on a horizontal axis.  A. Lathe machine B. Broaching machine C. Planer D. Shaper 97. A machine tool used to produce a variety of surfaces by using a circular type cutter with multiple teeth.  A. Lathe machine B. Milling machine C. Broaching machine D. Grinding machine 98. Used in the production of flat surfaces on pieces too large or too heavy to hold in a shaper  A. Planer B. Shaper C. Grinder D. Shaver 99. Used to machine flat or curved surfaces with a tool which moves in a reciprocating motion.  A. Planer B. Shaper C. Grinder D. Lathe 100. Which of the following materials that can wear away a substance softer than itself?  A. Abrasive B. Tungsten C. Carbon D. Corrosive  MACHINE DESIGN 3 1. A tool with hardened steel points used for scribing or laying of distances.  A. Plain scriber B. Divider C. A trammel D. Hermaphrodite 2. A machine tool used principally to machine flat or plane surfaces with a single pointed tool.  A. Shaper B.Planer C. Drill D. Power saw 3. A machine tool in which an abrasive wheel is used as cutting tool to obtain a very smooth finish.  A. Broaching machine B. Planer C. Tool grinder D. Milling machine 4. The process of working metals by the application of sudden blows or by steady pressure.  A. Casting B. Turning C. Forging D. Rolling 5. The operation of cooling a heated piece of work rapidly by dipping it in water, brine or oil.  A. Quenching B. Annealing C. Tempering D. Normalizing 6. The softening of metal by heat treatment and most commonly consist of heating the metal up to near molten state then cooling it very slowly.  A. Annealing B. Indexing C. Knurling D. Soldering 7. Fluid film desired between surfaces relative sliding motion.  A. Lube oil B. Lubrication C. Grease D. Graphite 8. A kind of gear used to transmit motion from one shaft to another shaft at an angle to the first.  A. Worm gear B. Bevel gear C. Helical gear D. Spur gear 9. The principal material used in high production metal working tools. A. Hyper-Eutectoid B.High speed steel C. Lead D. High speed carbon 10. A heavy rotating body which serves as a reservoir absorbing and redistributing kinetic energy.  A. Flywheel B. Governor C. Shaft D. Puncher 11. A machine used in shaping metal by means of an abrasive wheel or the removal of metals with an abrasive is called.  A. Planer machine B. Power saw C. Shaper machine D. Grinding machine 12. Which of the following is not apart of lathe machine?  A. Tailstock B. Fan C. Carriage D. Headstock 13. Which of the following is easy to chisel?  A .Cast iron B. Alloy steel C. Cast steel D. Manganese steel 14. A machining operation whereby the tool reciprocates and the feed is stationary is called:  A. Shaping B. Reaming C. Planning D. Turning 15. Which of the following is not a kind of mandrel?  A. Expansion mandrel B. Taper mandrel C. Contraction mandrel D. Foundry mandrel 16. The area of the machine shop where the metal is being melted to form a new shape.  A. Welding area B. Mass production area C. Foundry area D. Tool and die area 17. Which of the following is not used to temper steel?  A. Brine salt bath B. Oil bath C. Water bath D. Steam bath 18. Which of the following is not a kind of cast iron?  A. Malleable iron B. Head iron C. Gray iron D. White iron 19. The kind of center which is being attached and meshed to the tailstock spindle which is also static while the work is rotating.  A. Dead center B. Live center C. Focal center D. Work center 20. Which of the following is not part of the headstock?  A. Spindle B. Anvil C. Back gear D. Motor 21. Which process does not belong to the group?  A. Vise grip B. Adjustable wrench C. Torque wrench D. Feeler gage 22. Which does not belong to the group?  A. Resistance welding B. Soldering C. Hardening D. Brazing 23. Substances having sufficient carbon and/or hydrogen for chemical oxidation to produce exothermally, worthwhile qualities of heat.  A. Lubrication B. Graphite C. Grease D. Fuels 24. A device that measures atmospheric pressure.  A. Piezometer B. Hydrometer C. Barometer D. Odometer 25. The mass of the body per unit volume.  A. Volume flow rate B. Density C. Weight D. Mass 26. Subjecting a substance to a high temperature below the fusion point, usually to make it friable.  A. Calcination B. Fusion C. Boiling D. Superheating 27. A special metal formed when two or more metals are melted together.  A. Monel B. Alloy C. Solder D. Hastalloy 28. The ability of a moving body to perform work.  A. Internal energy B. Potential energy C. Kinetic energy D. Flow work 29. Hardening the surface of iron-based alloys by heating them below the melting point in contact with a carbonaceous substance.  A. Carburizing B. Normalizing C. Martempering D. Hardening 30. Any material that retard the flow of electricity, used to prevent or escape of electric current from conductors.  A. Bricks B. Insulators C. Refractories D. Ceramics 31. Material, usually ceramics, employed where resistance to very high temperature is required, as for furnace linings and metal melting pots.  A. Bricks B. Insulators C. Refractories D. Ceramics 32. A device used to prevent leakage of media.  A. Packing B. Safety shield C. Gasket D. Seals 33. The internal resistance a material offers to being deformed and is measured in terms of applied load.  A. Strain B. Elasticity C. Stress D. Resilience 34. The deformation that results from a stress and is expressed in terms of the amount of deformation per inch.  A. Elongation B. Strain C. Poisson’s ratio  D. Elasticity 35. The ability of the material to return its srcinal shape after being elongated or distorted when the forces are released.  A. Elasticity B. Brittleness C. Plasticity D. Creep 36. The last point at which a material may be stretched and still return to its undeformed condition upon release of the stress.  A. Rupture limit B. Elastic limit C. Proportional limit D. Ultimate limit  37. The ratio of stress to strain within the elastic limit.  A. Creep B. Modulus of rigidity C. Modul us of elasticity D. Poisson’s ratio  38. The ability of a metal to withstand forces that cause a member to twist.  A. Shear strength B. Tensile strength C. Bearing strength D. Torsional strength 39. The ability of a material to resist being crushed.  A. Tensile strength B. Shearing strength C. Compressive strength D. Torsion 40. The ability of metal to stretch, bend or twist without breaking or cracking.  A. Elasticity B. Ductility C. Brittleness D. Plasticity 41. The property of a material which resist forces action to pull the material apart.  A. Shear strength B. Tensile strength C. Compressive strength D. Bearing strength 42. The property of steel which resist indention or penetration.  A. Hardness B. Elasticity C. Ductility D. None of these 43. In the color coding of pipe, the color for pipeline of air is:  A. Light blue B. Light orange C. White D. Grees 44. In the color coding of pipe, the color for a pipeline of water is:  A. Light blue B. Green C. Brown D. Silver gray 45. In the color coding of pipe, the color for pipeline steam is:  A. Light orange B. White C. Silver gray D. Light blue 46. The color for a pipeline of electricity is in the color coding of pipe is: A. Light orange B. White C. Silver gray D. Light blue 47. In the color coding of pipe, the color for a pipeline of communication is:  A. Light blue B. White C. Brown D. Light orange 48. The color of pipeline of fuel oil in the color coding of pipe is:  A. Light blue B. Brown C. White D. Light orange 49. For high speed application the minimum number of teeth in small sprocket should be:  A. 18 to 24 B. 28 to 30 C. 14 to 18 D. 24 to 28 50. The good deoxidizer in steel melting is:  A .Manganese B. Aluminum C. Silicon D. All of these 51. In majority of machine members, the damping capacity of the material should be:  A. Zero B. High C. Low D. Anything 52. For moderate speed of mating gears, the ideal ratio of contact is:  A. 1.35  –  1.55 B. 1.0  –  1.3 C. 1.25  –  1.45 D. 1.25  –  4.0 53. The crest diameter of a screw thread is same as:  A. Pitch diameter B. Minor diameter C. Major diameter D. Base diameter 54. For a high corrosion resistant stainless steel, what minimum chromium content is required?  A. 8.0% B. 4.5% C. 1.5% D, 8.5% 55. At high quite low temperatures (say 75C) the notched bar impact value of steel.  A. Increases significantly B. Decreases significantly C. Remain unchanged D. Depends on heat treatment 56. In order to realize the advantage of fluid friction, it is essential to have:  A. No oil film B. Converging oil film C. Diverging oil film D. Parallel oil film in bearing 57. Zero axial thrust is experienced in:  A. Herringbone gear B. Helical gear C. Bevel gear D. Worm gear 58. The maximum size of the fillet weld that can be made in single pass is:  A. 3 mm B. 6 mm C. 7 mm D. 4 mm 59. Muntz metal contains:  A. Copper  –  aluminium B. Copper  –  tin C. Copper  –  nickel D. Copper  –  zinc . 60. Steel balls for ball bearings are manufactured by:  A. Cold heading B. Casting C. Rolling D. Turning 61. In general, alloys with high nickel content retain toughness to quite low temperature up to:  A. -250F B. -360F C. -320F D. -240F 62. Manganese steel standard designation is SAE ______.  A. 8XXX B. 10XX C. 12XX D. 13XX 63. A babbitt is:  A. A cutectic of iron and iron phosphate B. A gadget for measuring volume C. A measure of a magnetic induction produces in a material D. Antimony bearing lead or tin alloy 64. The minimum thickness of steel members exposed to weather and accessible for painting is:  A. 4 mm B. 6 mm C. 8 mm D. 10 mm 65. In a standard coarse thread bolt, the stress concentration is maximum at:  A. All over the surface B. Top surface C. Root D. Flank 66. Which of the following ropes are more flexible?  A. 6 to 19 B. 6 to 7 C. 8 by 19 D. 6 by 37 67. Tool usually used in wood pattern making in foundry shop:  A. Band saw B. Saws and chisel C. Knives and drill D. Grinder 68. Type of bolt commonly used in the construction that is threaded on both ends.  A. Hex bolt B. Stud bolt C. Square threaded bolts D. Eye bolt 69. Cast iron flywheels are commonly designed with factor of safety of:  A. 9 to 12 B. 8 to 11 C. 10 to 13 D. 7 to 10 70. Which of the following type of chain is used in motorcycle?  A. Sile nt B. Pindle C. Bush roller D. Long 71. Spiral gears are suitable for transmitting:  A. Any power B. Small power C. Huge power D. Pulsating power 72. The type of cam used for low and moderate speed engines is generally:  A. Flat B. Involute C.Tangent D. Harmonic 73. Gears for wrist watches are generally manufactured by:  A. Molding B. Stamping C. Galvanizing D. Honing 74. The rated life of a bearing changes:  A. Inversely as cube of load B. Directly as load C, Inversely as square of load D. Iversely as load 75. The best material for brake drum is:  A. Cast iron B. Steel C. Aluminum D. Wrought iron
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