Heat Transfer Viscosity of gases __________ with increase in temperature. Decrease slowly Increase very rapidly Increase slowly Remain unaffected Decrease slowly Increase very rapidly Increase slowly Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynolds analogy are same, when Prandtl number is > 2 1.5 1 0.5 > 2 1.5 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer in the laminar sublayer in case of a liquid flowing through a pipe, is mostly by None of these Convection Eddies current Conduction None of these Convection Eddies current Conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8. 40.4 20.4 40.8 20.8 40.4 20.4 40.8 20.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? dowtherm None of the listed here mercury liquid metal dowtherm None of the listed here mercury liquid metal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is < 1 1 > 5 > 1 < 1 1 > 5 > 1 ANSWER DOWNLOAD EXAMIANS APP