Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is 2.36 Dependent on NRe only 4.36 120.36 2.36 Dependent on NRe only 4.36 120.36 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then hf < hd hf = hd hf > hd hf could be greater or smaller than hd hf < hd hf = hd hf > hd hf could be greater or smaller than hd ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer While the total emissivity of a perfect black body is unity, the same for a real body is 0 1 between 0 and 1 >1 0 1 between 0 and 1 >1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film condensation is promoted on a/an __________ surface. coated dirty clean & smooth oily coated dirty clean & smooth oily ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which has the lowest Prandtl number? Liquid metal Water Lube oil Aqueous solution Liquid metal Water Lube oil Aqueous solution 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 ) hi/K 2K/h0 K/h0 2hi/K hi/K 2K/h0 K/h0 2hi/K ANSWER DOWNLOAD EXAMIANS APP