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Mechanical Engineering - Engineering Materials

Exercise : Engineering Materials - Section 2
31.
The brown smoke during the operation of a bessemer Converter indicates that the
air is burning out silicon and managanese
silicon and manganese has burnt and carbon has started oxidising
the converter must be titled to remove the contents of the converter
the brown smoke does not occur during the operation of a bessemer converter
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Martensite has needle like structure and is magnetic.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Monel metal is an alloy of
nickel and copper
nickel and chromium
nickel, chromium and iron
copper and chromium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
In induction hardening, the depth of hardening is controlled by controlling the voltage.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
The austenite is a solid solution of carbon or iron carbide in gamma-iron.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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