Heat Transfer A cube, sphere & a thin circular plate (all having same mass and made of same material) are all heated to 300°C and allowed to cool in natural air. Which one will cool the slowest ? Sphere Cube All of these Plate Sphere Cube All of these Plate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area Remains constant Increases Passes through a maxima Decreases Remains constant Increases Passes through a maxima Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Air is best heated with steam in a heat exchanger of shell and tube type double pipe type with fin on steam side double pipe type with fin on air side plate type shell and tube type double pipe type with fin on steam side double pipe type with fin on air side plate type ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vent pipes are provided in a condenser to Purge the condenser None of these Facilitate easy cleaning of tubes Remove non-condensable gases Purge the condenser None of these Facilitate easy cleaning of tubes Remove non-condensable gases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Leidenfrost point is a term concerned with the Condensation of the saturated vapor on a cold surface Heat transfer between two highly viscous liquids Concentration of a corrosive solution by evaporation Boiling of a liquid on a hot surface Condensation of the saturated vapor on a cold surface Heat transfer between two highly viscous liquids Concentration of a corrosive solution by evaporation Boiling of a liquid on a hot surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? l to 50 0.6 to 120 0.06 to 120 1 to 103 l to 50 0.6 to 120 0.06 to 120 1 to 103 ANSWER DOWNLOAD EXAMIANS APP
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