Q112
Assertion 'a': Hardenability of steel can be increased by adding certain alloying elements. Reason 'r': The alloying elements can provide a fine dispersion of alloy carbides
A.
Both 'a' and 'r' are true, but 'r' is not a correct reason for 'a'
AnswerB.
Both 'a' and 'r' are false
C.
'a' is true but 'r' is false
D.
Both 'a' and 'r' are true and 'r' is a correct reason for 'a'
Answer: Option A
Solution
Answer: Option A
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