Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = 2k/h r = k/h r = h/k r = k/2h r = 2k/h r = k/h r = h/k r = k/2h ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Log mean temperature difference (LMTD) cannot be used, if none of the listed here there exists an unsteady state heat transfer co-efficient over the entire heat exchanger is not constant the heat capacity is not constant and there is a phase change. none of the listed here there exists an unsteady state heat transfer co-efficient over the entire heat exchanger is not constant the heat capacity is not constant and there is a phase change. ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger. Thrice Four times Once Twice Thrice Four times Once Twice ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Rate of crystallisation does not depend upon the Extent of supersaturation Turbulence within the solution Number and active surface area of the crystals None of these Extent of supersaturation Turbulence within the solution Number and active surface area of the crystals None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer To reduce the tube side pressure drop for the same flow rate, the heat exchanger recomended is 1-1 heat exchanger 3-2 heat exchanger 1-2 heat exchanger 2-4 heat exchanger 1-1 heat exchanger 3-2 heat exchanger 1-2 heat exchanger 2-4 heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the absorptivity of a black body? 0.95 1 0.78 0.95 1 0.78 ANSWER DOWNLOAD EXAMIANS APP
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