Heat Transfer What is the absorptivity of a black body? 1 0.78 0.95 1 0.78 0.95 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In an extended surface heat exchanger, fluid having lower co-efficient Flows outside the tubes Should not be used as it gives very high pressure drop Flows through the tube Can flow either inside or outside the tubes Flows outside the tubes Should not be used as it gives very high pressure drop Flows through the tube Can flow either inside or outside the tubes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Natural convection is characterised by Grashhoff number Peclet number Reynolds number Prandtl number Grashhoff number Peclet number Reynolds number Prandtl number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam is routed through the tube in case of a __________ evaporator. Basket type Long tube vertical Horizontal tube Short tube vertical Basket type Long tube vertical Horizontal tube Short tube vertical ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a body is equal to its emissivity for circular bodies at a particular temperature none of the listed here under thermal equilibrium for circular bodies at a particular temperature none of the listed here under thermal equilibrium ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the Constant temperature equal to that of the base Temperature of the fin end Average temperature of the fin Surrounding temperature Constant temperature equal to that of the base Temperature of the fin end Average temperature of the fin Surrounding temperature ANSWER DOWNLOAD EXAMIANS APP
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