The temperature field od a slab is given by T = 400 - 50z exp (-t-x2-y2). The temperature gradient in y-direction is
A. 100yz exp (-t-x2-y2)
B. -100yz exp(-t-x2-y2)
C. 100xz exp(-t-x2-y2)
D. -100xz exp(-t-x2-y2)
Answer: Option A
This Question Belongs to Metallurgical Engineering >> Introduction To Metallurgy
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