Mechanical Engineering > GATE 2014 Set-1 > Metal Forming
A metal rod of initial length L0 is subjected to a drawing process. The length of the rod at any instant is given by the expression, L(t) = L0(1 + t2), where t is the time in minutes. The true strain rate (in min-1) at the end of one minute is _______
Correct : 0.9 to 1.1
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