Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns. 0.5-50 0.38-0.78 100-1000 5-50 0.5-50 0.38-0.78 100-1000 5-50 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thickness of condensate layer in filmwise condensation depends on the Liquid flow rate from the surface Condensation rate All of these Surface configuration Liquid flow rate from the surface Condensation rate All of these Surface configuration ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer (Cp . μ)/K is termed as the __________ number. Grashoff Stanton Nusselt Prandtl Grashoff Stanton Nusselt Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Decreases Remains unchanged May increase or decrease; depends on the gas Increases Decreases Remains unchanged May increase or decrease; depends on the gas Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Small scale evaporation is done in a Heat exchanger Steam jacketed kettle Multiple effect evaporator Condenser Heat exchanger Steam jacketed kettle Multiple effect evaporator Condenser 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 Temperature of the fin end Constant temperature equal to that of the base Surrounding temperature Average temperature of the fin Temperature of the fin end Constant temperature equal to that of the base Surrounding temperature Average temperature of the fin ANSWER DOWNLOAD EXAMIANS APP
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