Heat Transfer A body cools down from 75°C to 70°C in 10 minutes. It will cool down from 70° C to 65° C in __________ minutes. >10 10 Either B or C, depends on the mass of the body >10 10 Either B or C, depends on the mass of the body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter) 0.3 D 0.2 D 0.4 D 0.5 D 0.3 D 0.2 D 0.4 D 0.5 D ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vacuum is generally maintained in the vapour space of an evaporator mainly to Concentrate heat sensitive materials Facilitate forward feeding in multiple effect evaporation Achieve very high concentration of the final product Get economical temperature difference by using moderate pressure steam Concentrate heat sensitive materials Facilitate forward feeding in multiple effect evaporation Achieve very high concentration of the final product Get economical temperature difference by using moderate pressure steam ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is Dependent on NRe only 88.66 1.66 3.66 Dependent on NRe only 88.66 1.66 3.66 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation is promoted on a/an __________ surface. Oily Coated Smooth Glazed Oily Coated Smooth Glazed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficient at inside of the pipe ) 2K/h0 2hi/K K/h0 hi/K 2K/h0 2hi/K K/h0 hi/K ANSWER DOWNLOAD EXAMIANS APP
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