Heat Transfer If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will Increase by 1.8 times Increase by 216 Remain unchanged Decrease by 22 Increase by 1.8 times Increase by 216 Remain unchanged Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid. Equal to More than Less than Either more or less than (depending upon the fluid) Equal to More than Less than Either more or less than (depending upon the fluid) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For __________ Prandtl number values, the heat conduction will be negligible in the buffer zone. Low Extremely low No High Low Extremely low No High ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Analogy between mass and heat transfer is not applicable in case of Viscous heating or chemical reaction Thermal or pressure mass diffusion Both B and C Same velocity profile or equal eddy diffusivities Viscous heating or chemical reaction Thermal or pressure mass diffusion Both B and C Same velocity profile or equal eddy diffusivities ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator is not influenced much by the rate of heat transfer boiling point elevations temperature of the feed ratio of the weight of the thin liquor to thick liquor rate of heat transfer boiling point elevations temperature of the feed ratio of the weight of the thin liquor to thick liquor ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is 10 2 0.5 100 10 2 0.5 100 ANSWER DOWNLOAD EXAMIANS APP
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