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. Once Thrice Twice Four times Once Thrice Twice Four times ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Forced circulation evaporators are normally used for concentrating liquids having Scaling characteristics Neither A nor B Both A & B High viscosity Scaling characteristics Neither A nor B Both A & B High viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid. Pool Low pressure Nucleate None of these Pool Low pressure Nucleate None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the none of the listed here thermal & concentration boundary layers are of equal thickness concentration boundary layer lies inside the thermal boundary layer thermal boundary layer lies inside the concentration boundary layer none of the listed here thermal & concentration boundary layers are of equal thickness concentration boundary layer lies inside the thermal boundary layer thermal boundary layer lies inside the concentration boundary layer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When vaporisation takes place directly at the heating surface, it is called all of the listed here film boiling nucleate boiling vapour binding all of the listed here film boiling nucleate boiling vapour binding ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Decreases May increase or decrease; depends on the gas Increases Remains unchanged Decreases May increase or decrease; depends on the gas Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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