66.67%(A) a is true but r is false ( 4 voters )
0%(B) a is false but r is true
33.33%(C) both a and r are true, and r is the reason for a ( 2 voters )
0%((D)both a and r are true, but r is not the reason for a
Based On 6 Votes
GATE MT 2014 Q.44 Determine the correctness or otherwise of the following Assertion (a) and Reason (r). Assertion (a): Peak aging time for an Al-4 wt.% Cu alloy is indicated by a maximum in the hardness. Reason (r): The maximum volume fraction of the teta precipitates is formed at the peak aging time.