E10 Flashcards by alyssa everlyn evangelista

What is the lightest known metal?

A. Mercury
B. Steel
C. Chromium
D. Aluminum

D. Aluminum

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Material having a high electrical resistance and should not be used as conductor of electrical current.

A. Magnesium
B. Copper
C. Nickel
D. Iron

D. Iron

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The property that characterizes a material ability to be drawn into a wire is known as:

A. Plasticity
B. Elasticity
C. Ductility
D. Utility

C. Ductility

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Stress relieving is also ______ for the purpose of reducing the internal stress of steel material / metal.

A. Quenching
B. Normalizing
C. Tempering
D. Drawing

A. Quenching

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A carbon content in the range of _____ in steel readily responds to heat treatment.

A. 0.35 to 0.40% C
B. 0.28 to 0.30% C
C. 0.18 to 0.25% C
D. 0.12 to 0.15% C

A. 0.35 to 0.40% C

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It indicates how many times a volume of material is heavier than an equal volume of water.

A. Specific gravity
B. Specific volume
C. Specific weight
D. Specific density

A. Specific gravity

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Nickel – Chromium – Molybdenum steel designation SAE ________.

A. 81 xx
B. 74 xx
C. 94 xx
D. 64 xx

C. 94 xx

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Moment of inertia is also called:

A. Modulus of elasticity
B. Weep strength
C. Radius of gyration
D. None of these

D. None of these

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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 of wear resistance is called:

A. Annealing
B. Normalizing
C. Tempering
D. Quenching

D. Quenching

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A good eneral purpose deoxidizer which promotes fine grain in steel.

A. Copper
B. Magnesium
C. Molybdenum
D. Silicon

D. Silicon

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This process is known as bonderizing when used as a printer for paints.

A. Parkerizing
B. Honing
C. Hard surfacing
D. Galvanizing

A. Parkerizing

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A grinding operation using stones moving in a reciprocating pattern. Leaves a characteristic cross-hatch pattern.

A. Parkerizing
B. Honing
C. Hard surfacing
D. Galvanizing

B. Honing

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The creation (by spraying, platting, fusion welding or heat treatment) of a hard metal surface in a softer product.

A. Parkerizing
B. Honing
C. Hard surfacing
D. Galvanizing

C. Hard surfacing

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A zinc coating applied to low carbon steel to improve corrosion resistance. The coating can be applied in a hot dip bath, by electroplating or by dry tumbling (sheradizing).

A. Parkerizing
B. Honing
C. Hard surfacing
D. Galvanizing

D. Galvanizing

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The lector-deposition of a coating onto the workpiece. Electrical current is used to drive ions in solution to the part. The workpiece is the cathode I the electrical circuit.

A. Electroplating
B. Calorizing
C. Burnishing
D. Buffing

A. Electroplating

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The diffusing of aluminum into a steel surface, producing an aluminum oxide that protects the steel from high-temperature corrosion.

A. Electroplating
B. Calorizing
C. Burnishing
D. Buffing

B. Calorizing

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How do you call the process of fine grinding or peening operation designed to leave a characteristic pattern on the surface of the workpiece.

A. Electroplating
B. Calorizing
C. Peening
D. Buffing

C. Peening

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A fine finishing operation, similar to polishing using a very fine polishing compound.

A. Elactroplating
B. Calorizing
C. Burnishing
D. Buffing

D. Buffing

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Rotating parts in a barrel filled with an abrasive or non-abrasive medium. Widely used to remove burns, flash, scale and oxides.

A. Abrasive cleaning
B. Calorizing
C. Barrel finishing
D. Anodizing

C. Barrel finishing

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An electroplating-acid bath oxidation process for aluminum and magnesium. The workpiece is the anode in the electrical circuit.

A. Abrasive cleaning
B. Tumbling
C. Barrel finishing
D. Anodizing

D. Anodizing

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Treatment process that produces a residual compressive stress at the surface and residual tension on the inside that results in considerable increase in fatigue strength for members on torsion / bending is known as:

A. Partial quenching
B. Heavy oil quenching
C. Quenching
D. Shallow quenching

D. Shallow quenching

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The flux that should be provided in soldering electrical connection or commutator wires as it tends to corrode the connections.

A. Sal ammoniac
B. Zinc chloride
C. Stearing
D. Acid fluxes

D. Acid fluxes

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The characteristics of tool steel sustain shocks and major impacts is due to its:

A. Toughness
B. Stiffness
C. Ductility
D. Machinability

A. Toughness

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The application of electrical current to the corrosion circuit to counter the corrosion reaction is called:

A. Cathodic protection
B. Sacrificial anodes method
C. Chemical corrosion process
D. Galvanic action

A. Cathodic protection

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25. A major component of cast steel is: A. Silicon B. Iron C. Manganese D. Chromium

B. Iron

26. Normally, cast iron contains 2% carbon or more and silicon in the range of ____ %. A. 1 to3 B. 1 to 4 C. 2 to 3 D. 1 to 6

A. 1 to3

27. The material for engine radiation is usually made of ______. A. Yellow brass B. Silicon brass C. Admiralty brass D. Navy brass

A. Yellow brass

28. A problem-by product used as an electrode in an electric arc furnace melting operations is called: A. Anthracite coke B. Foundry coke C. Graphite electrodes D. Bituminous coke

C. Graphite electrodes

29. Which of the following does not effect the tensile strength of steel? A. Sulfur B. Cobalt C. Phosphorus D. Boron

D. Boron

30. Alloy steel axle under repeated load / stress will eventually fail if the load / stress is above the endurance for the steel under consideration. The endurance limit of the steel is: A. Equal to the allowable stress of the module of elasticity B. Equal to half of the ultimate strength C. Equal to module of elasticity D. Equal to 80% of the elastic limit

B. Equal to half of the ultimate strength

31. Shooting sand (i.e. sand blasting), steel grit, or steel shot against workpieces to remove casting sand, scale and oxidation. A. Abrasive cleaning B. Tumbling C. Barrel finishing D. Anodizing

A. Abrasive cleaning

32. What is the other term of barrel finishing? A. Abrasive cleaning B. Tumbling C. Barrel finishing D. Anodizing

B. Tumbling

33. Brittle materials produce discrete fragments, known as: A. Chip breaker grooves B. Discontinuous chips C. Non-segmented chips D. Type-two chips

B. Discontinuous chips

34. Ductile materials form long, helix-coiled string chips known as: A. Continuous chips B. Discontinuous chips C. Segment chips D. Type-one chips

A. Continuous chips

35. Often ground in the cutting tool face to cause long chips to break into shorter, more manageable pieces. A. Chip breaker grooves B. Discontinuous chips C. Non-segmented chips D. Type-two chips

A. Chip breaker grooves

36. What is the typical chip thickness ratio? A. 0.50 B. 0.75 C. 0.25 D. 1.00

A. 0.50

37. The angle at which the tool meets the workpiece is characterized by: A. True rake angle B. Clearance angle C. Relief angle D. Wedge angle

A. True rake angle

38. Which of the following is the sum of the rake clearance and wedge angles? A. 90 deg. B. 180 deg. C. 45 deg. D. 75 deg.

A. 90 deg.

39. What is the relative velocity difference between the tool and the workpiece? A. Cutting speed B. Chip velocity C. Shear velocity D. Rake velocity

A. Cutting speed

40. How do you call the velocity of the chip relative to the tool face? A. Cutting speed B. Chip velocity C. Shear velocity D. Rake velocity

B. Chip velocity

41. Mirror finish has surfaces fitness of ______ rms. A. 1 B. 2 to 8 C. 1 to 3 D. 2 to 5

A. 1

42. Chromium steel to include heat and corrosion resistant designation. A. SAE 56xx B. SAE 514xx C. SAE 61xx D. SAE 9xx

B. SAE 514xx

43. Non-metallic material of high melting temperature being used as furnace lining. A. Quartz bricks B. Refractories C. Silica sand D. Dolomite clay bricks

B. Refractories

44. In greater quantity, this element is harmful to the molten ferrous metal. A. Silicon B. Aluminum C. Oxides D. Sulfur

D. Sulfur

45. Silicon – manganese steel designation, SAE ______. A. 72xx B. 40xx C.92xx D.9xx

C.92xx

46. Cold drawing is also called: A. Hard drawn B. Oxidized steel C. Cold lap steel D. Strain hardening

A. Hard drawn

47. The brittleness in steel elevated temperature is known as: A. Hard drawn B. Cold lap C. Red shortness D. Residual stresses

C. Red shortness

48. Material may be stretched and still returns to its former form / condition upon release of force is called: A. Plasticity B. Modulus of elasticity C. Ductility D. Elastic limit

D. Elastic limit

49. What is the SAE specification number of molybdenum – chromium – nickel? A. 48xx B. 47xx C. 46xx D. 45xx

B. 47xx

50. Galvanized iron is a term referring to iron coated with: A. Aluminum B. Tin C. Zinc D. Manganese

C. Zinc

51. How do you call the velocity of the chip relative to the workpiece? A. Cutting speed B. Chip velocity C. Shear velocity D. Rake velocity

C. Shear velocity

52. Which of the following is the primary parameter affecting the cutting energy requirement? A. Compressive stress B. Shear stress C. Torsional stress D. Bending stress

B. Shear stress

53. The energy expended per unit volume removed is known as: A. Specific cutting energy B. Metal removal rate C. Cutting horsepower D. Absolute cutting energy

A. Specific cutting energy

54. A plain carbon steel with approximately 0.9 to 1.3% carbon, which has been hardened and tempered. A. Carbon tool steel B. High speed steel C. Low speed steel D. Medium speed steel

A. Carbon tool steel

55. Contains tungsten or chromium and retains its hardness up to approximately 600 C. A. Carbon tool steel B. High speed steel C. Low speed steel D. Medium speed steel

B. High speed steel

56. Cast non-ferrous tools are brittle but can be used to approximately: A. 1000 C B. 925 C C. 1500 C D. 750 C

B. 925 C

57. Which of the following is produced through powder metallurgy from non-ferrous metals? A. Sintered carbides B. Ceramic tools C. Diamonds D. Cast non-ferrous

A. Sintered carbides

58. Ceramic tools operate. A. Below 2000 F B. Below 2200 F C. Above 2000 F D. Below 2200 F

A. Below 2000 F

59. Which of the following is manufactured from aluminum oxide have the same expected life as carbide tools but can operate at speeds from two or three times higher? They operate below 1100 C. A. Sintered carbides B. Ceramic tools C. Diamonds D. Cast non-ferrous

B. Ceramic tools

60. Which of the following are used in specific case, usually in finishing operations? A. Sintered carbides B. Ceramic tools C. Diamonds D. Cast non-ferrous Answer: C

C. Diamonds

61. A metal which has a high electrical cinductivity but should not be used for high temperature. A. Silicon B. Zinc C. Chrome Alloy D. Carbide

B. Zinc

62. It improves red hardness of steel. A. Chromium B. Cobalt C. Boron D. Lead

B. Cobalt

63. What is the SAE specification number of molybdenum? A. SAE 2xxx B. SAE 3xxx C. SAE 4xxx D. SAE 5xxx

C. SAE 4xxx

64. Which does not belong to the group? A. SAE B. AISI C. SEA D. ASTM

C. SEA

65. It is the ability of the material to resist deformation under stress. A. Plasticity B. Stiffness C. Toughness D. All of these

B. Stiffness

66. Which of the following is not a structural class of steel? A. High speed steel B. Tool and die C. Low carbon D. High carbon

B. Tool and die

67. Continuous stretching under load even if the stress is less than the yield point is known as: A. Plasticity B. Elasticity C. Creep D. Ductility

C. Creep

68. Killed steel is always associated with: A. Silicon B. Manganese C. Phosphorus D. Sulfur

A. Silicon

69. The good deoxidizer in steel meeting. A. Manganese B. Silicon C. Aluminum D. All of these

D. All of these

70. Good stabilizer in stainless steel is: A. Columbium B. Titanium C. Tantalum D. All of these

D. All of these

71. Used as a finishing operation since very fine and imensionally accurate surface can be produced. A. Grinding B. Snagging C. Honing D. Lapping

A. Grinding

72. Describes very rough grinding, such as that performed in foundries to remove gates, fins and risers from castings. A. Grinding B. Snagging C. Honing D. Lapping

B. Snagging

73. Grinding in which very little material, 0.001 to 0.005 in. is removed. A. Grinding B. Snagging C. Honing D. Lapping

C. Honing

74. Which of the following is not a measuring device? A. Orsat analyzer B. Thermometer C. Micrometer caliper D. Divider

D. Divider

75. A plain carbon steel with approximately 0.9 to 1.3% carbon which has been hardened and tempered. A. Carbon tool steel B. Cast non-ferrous C. High speed steel D. Diamond

A. Carbon tool steel

76. Carbon tool steel can be given a good edge, but is restricted to use below: A. 400 to 600 F B. 300 to 400 F C. 700 to 800 F D. 800 to 1000 F

A. 400 to 600 F

77. Which of the following contains tungsten or chromium and retains its hardness up to approximately 1100 F, A property known as red hardness. A. ceramic tools B. Diamonds C. High speed steel D. Carbon and steel

C. High speed steel

78. Cast non-ferrous tools are brittle but can be used up to approximately: A. 1700 F B. 2200 F C. 2000 F D. 600 F

A. 1700 F

79. They are produced through powder metallurgy from non-ferrous metals. A. Diamonds B. Cast non-ferrous C. Ceramic tools D. Sintered carbides

D. Sintered carbides

80. Sintered carbide operates at cutting speeds how many times as fast as HSS tools. A. 2 to 5 B. Thrice C. 5 to 7 D. Twice

A. 2 to 5

81. Metals are conductive because: A. The electrons are loosely bound to the nuclei and therefore mobile B. Having characteristics luster C. They are on the left side of the periodic table D. They have extra electrons as exhibited by normally possible balance state

A. The electrons are loosely bound to the nuclei and therefore mobile

82. The yield strength of the rectangular yellow brass 65 to 70% Cu, 30 to 35% Zn can be increased / improved by ____. A. Cold working B. Tempering C. Shill casting D. Heat treatment

A. Cold working

83. Used as cast condition steel casting with carbon content less than _____ % C. A. 0.26 B. 0.15 to 0.18 C. 0.20 D. 0.25

C. 0.20

84. Liners are normally made of: A. Cast iron B. Alloyed bronze C. Alloyed steel D. Alloyed aluminum

A. Cast iron

85. A furnace used in melting non – ferrous metals is called: A. Cupola furnace B. Crucible furnace C. Induction furnace D. Tempering furnace

B. Crucible furnace

86. A furnace used in melting ferrous metals. A. Annealing furnace B. Tempering furnace C. Induction furnace D. Normalizing furnace

C. Induction furnace

87. All are associated with standard material specified except ______. A. American Iron and Steel Institute B. Society of Automotive Engineers C. Southeast Asia Iron and Steel Institute D. American Society for Testing Materials

C. Southeast Asia Iron and Steel Institute

88. The ability of metal to be deformed considerably without rupture is called: A. Malleability B. Elasticity C. Ductility D. Plasticity

D. Plasticity

89. Permanent deformation or strain may occur without fracture is called: A. Malleability B. Elasticity C. Ductility D. Plasticity

D. Plasticity

90. An alloy that improves strength of steel at high temperature application. A. Tungsten B. Molybdenum C. Chromium D. All of these

D. All of these

91. Which of the following is manufactured from aluminum oxide have the same expected life as carbide tools but can also operate at speeds from two to three times higher? A. Ceramic tools B. High speed steel C. Diamonds D. Carbon tool steel

A. Ceramic tools

92. Soluble in the presence of high temperature iron used in specific cases, usually in finishing operations. A. Ceramic tools B. Diamonds C. High speed steel D. Aluminum

B. Diamonds

93. Percent of the heat developed in cutting is due to friction between the tool and the workpiece is: A. Approximately 50% B. Approximately 10% C. Approximately 25% D. Approximately 75%

C. Approximately 25%

94. Which of the following is used to reduce friction, remove heat, heat chips and protect against corrosion. A. Water vapor B. Carbon C. Air D. Cutting fluid

D. Cutting fluid

95. Which of the following is a good heat remove, but it promotes rust? A. Air B. Kerosene C. Carbon dioxide D. Water

D. Water

96. Addition of _____ to water produces an efficient, inexpensive cutting fluid that does not promote rusting. A. Sal soda B. Kerosene lubricants C. Straight cutting oils D. Air

A. Sal soda

97. It reduces friction and do not cause rust but are less efficient of heat removal than water. A. Sal soda B. Kerosene lubricants C. Straight cutting oils D. Air

C. Straight cutting oils

98. Taylor’s equation relates cutting speed v and tool life T for particular combination of tool and workpiece, VTn = constant. This equation is also known as: A. Flank wear B. Nose failure C. Crater wear D. Tool life

D. Tool life

99. After any cutting standard grinding operation, the surface of a workplace will consist of: A. Smear metal B. Ultrafinishing C. Superfinishing D. Centerless grinding

A. Smear metal

100. A method that does not require clamping, chucking or holding round workpieces. A. Centerless grinding B. Laser machining C. Chemical milling D. Ultrafinishing

A. Centerless grinding

E10 Flashcards

(100 cards)