Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = h/k r = k/h r = 2k/h r = k/2h r = h/k r = k/h r = 2k/h r = k/2h ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? l to 50 1 to 103 0.06 to 120 0.6 to 120 l to 50 1 to 103 0.06 to 120 0.6 to 120 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law of heat conduction applies to __________ surfaces. Non-isothermal Isothermal Neither A and B Both A and B Non-isothermal Isothermal Neither A and B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film ) (ΔT)1/4 (ΔT)2 None of the listed here ΔT (ΔT)1/4 (ΔT)2 None of the listed here ΔT ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, floating head is provided to increase log mean temperature gradient relieve stresses caused by thermal expansion increase the heat transfer area facilitate cleaning of the exchanger increase log mean temperature gradient relieve stresses caused by thermal expansion increase the heat transfer area facilitate cleaning of the exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer in the laminar sublayer in case of a liquid flowing through a pipe, is mostly by Eddies current None of these Conduction Convection Eddies current None of these Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
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