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 Remain unchanged Increase by 216 Increase by 1.8 times Decrease by 22 Remain unchanged Increase by 216 Increase by 1.8 times Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Increasing the liquor level in the evaporator results in the decreased effect of hydrostatic head decreased capacity increased true temperature drop increase in liquor film co-efficient decreased effect of hydrostatic head decreased capacity increased true temperature drop increase in liquor film co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when High viscosity liquid is to be cooled A corrosive liquid is to be heated Requirement of heat transfer area is low Overall heat transfer co-efficient is very high High viscosity liquid is to be cooled A corrosive liquid is to be heated Requirement of heat transfer area is low Overall heat transfer co-efficient is very high ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body is called grey if the monochromatic emissivity of the body is Different for all wavelengths Zero Same for all wavelengths Unity Different for all wavelengths Zero Same for all wavelengths Unity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Peclet number (Pe) is given by Pe = Re.Pr Pe = Nu.Re Pe = Re/Pr Pe = Pr/Re Pe = Re.Pr Pe = Nu.Re Pe = Re/Pr Pe = Pr/Re ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which has the lowest Prandtl number? Liquid metal Water Aqueous solution Lube oil Liquid metal Water Aqueous solution Lube oil ANSWER DOWNLOAD EXAMIANS APP
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