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Metallurgical Engineering · Q6

Physical Metallurgy

Engineering and GATE · Metallurgical Engineering · question 6

Q6

Assertion: a : During hardening of steel, the component to be heat treated is strongly agitated in the quenching medium. Reason : r : The agitation breaks down the vapour barrier allowing the quench to proceed at a more rapid rate.

A.
Both 'a' and 'r' are correct but 'r' is not correct reason of 'a'
B.
Both 'a' and 'r' are false
Answer
C.
'a' is true but 'r' is false
D.
Both 'a' and 'r' are correct and 'r' is the correct reason for 'a'

Answer: Option B

Solution

Answer: Option B
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