Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical? 1.5 1 80 0.5 1.5 1 80 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Direct contact Co-current Cross-current Counter-current Direct contact Co-current Cross-current Counter-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of evaporators, liquid entrainment results primarily due to foaming of the solution high heat transfer rate high heat transfer rate high vacuum in the evaporator foaming of the solution high heat transfer rate high heat transfer rate high vacuum in the evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when A corrosive liquid is to be heated High viscosity liquid is to be cooled Requirement of heat transfer area is low Overall heat transfer co-efficient is very high A corrosive liquid is to be heated High viscosity liquid is to be cooled Requirement of heat transfer area is low Overall heat transfer co-efficient is very high ANSWER DOWNLOAD EXAMIANS APP
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 Decrease by 22 Increase by 1.8 times Remain unchanged Increase by 216 Decrease by 22 Increase by 1.8 times Remain unchanged Increase by 216 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side. Three pass, fixed tube sheet U-tube None of these Single pass, fixed tube sheet Three pass, fixed tube sheet U-tube None of these Single pass, fixed tube sheet ANSWER DOWNLOAD EXAMIANS APP
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