61. |
A steel with 0.8% carbon and 100% pearlite is called
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Answer:
Option (a) |
62. |
A steel with carbon __________ is known as hypo-eutectoid steel.
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Answer:
Option (b) |
63. |
For a steel containing 0.8% carbon
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Answer:
Option (b) |
64. |
The austenitic stainless steel contains
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Answer:
Option (a) |
65. |
A steel containing 16 to 18% chromium and about 0.12% carbon is called
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Answer:
Option (a) |
66. |
A steel containing ferrite and pearlite is
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Answer:
Option (b) |
67. |
Pearlite consists of
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Answer:
Option (b) |
68. |
Cementite consist of
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Answer:
Option (d) |
69. |
In high speed steels, manganese is used to tougher the metal and to increase its
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Answer:
Option (b) |
70. |
Which of the following gives the correct order of increasing hot hardness of cutting tool materials?
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Answer:
Option (c) |