MCQs in Engineering Materials Part II - Answers

Below are the answers key for the Multiple Choice Questions in Engineering Materials - MCQs Part 2.

51. Eutectoid

52. Group W

53. Group M

54. Medium-carbon steel

55. Zinc

56. D638

57. D695

58. D732

59. A370

60. Merchant quality

61. Pickling

62. To increase dynamic and high-temperature strength and hardness.

63. About 10% of the earth’s crust is iron.

64. X

65. E

66. xxBxx

67. Black plate

68. Nichrome

69. 10 %

70. Deoxidizers

71. Gray iron

72. Malleable iron

73. White iron

74. Gray iron

75. To reduce hardness by combining with sulfur below 0.5% and increase hardness above 0.5%

76. To deoxidize molten cast iron

77. Softens iron and increase ductility below 3.25% hardens iron above 3.25% and increase acid and corrosion resistance above 13%

78. 5 %

79. All of the choices

80. Nitriding

81. Quench-hardened steel does not require tempering to prevent brittleness.

82. All of the choices

83. Metallurgy

84. Gangue

85. Coke

86. Zinc

87. Carburizing

88. Tempering

89. Eutectoid

90. Phosphorus

91. Nitriding

92. 10 mm ball

93. Tensile strength

94. Modulus of elasticity

95. Modulus of elasticity

96. percent elongation

97. Sulfur

98. Flame hardening

99. Glass fiber

100. Electrolyte

Online Questions and Answers in Engineering Materials Series

Following is the list of practice exam test questions in this brand new series:

Engineering Materials MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

PART 6: MCQs from Number 251 – 300                 Answer key: PART VI

PART 7: MCQs from Number 301 – 350                 Answer key: PART VII

SEE: More Questions and Answers in Engineering Materials

Complete List of MCQs in General Engineering and Applied Sciences per topic

Series of MCQs in General Engineering and Applied Sciences

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