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 Remain unchanged Increase by 216 Decrease by 22 Increase by 1.8 times Remain unchanged Increase by 216 Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A hot body will radiate heat most rapidly, if its surface is White & rough Black & rough Black & polished White & polished White & rough Black & rough Black & polished White & polished ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of using a 1 - 2 shell and tube heat exchanger over a 1 - 1 shell and tube heat exchanger is Higher shell side heat transfer co-efficient Higher tube side heat transfer co-efficient Lower tube side pressure drop Lower shell side pressure drop Higher shell side heat transfer co-efficient Higher tube side heat transfer co-efficient Lower tube side pressure drop Lower shell side pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by Conduction only Forced convection only Free and forced convection Forced convection and conduction Conduction only Forced convection only Free and forced convection Forced convection and conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body is called grey if the monochromatic emissivity of the body is Different for all wavelengths Zero Unity Same for all wavelengths Different for all wavelengths Zero Unity Same for all wavelengths ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For specified tube outside diameter, higher BWG means higher tube thickness cross-sectional area none of the listed here weight per unit length tube thickness cross-sectional area none of the listed here weight per unit length ANSWER DOWNLOAD EXAMIANS APP
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