Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Increases Remains unchanged Decreases May increase or decrease; depends on the gas Increases Remains unchanged Decreases May increase or decrease; depends on the gas ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Liquor-film co-efficient Neither A and B Both A and B Velocity of circulation Liquor-film co-efficient Neither A and B Both A and B Velocity of circulation 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 Lower tube side pressure drop Higher tube side heat transfer co-efficient Lower shell side pressure drop Higher shell side heat transfer co-efficient Lower tube side pressure drop Higher tube side heat transfer co-efficient Lower shell side pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? None of these Triangular pitch Diagonal square pitch Square pitch None of these Triangular pitch Diagonal square pitch Square pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The statement that "maximum wavelength of radiation is inversly proportional to the temperature" is __________ law. Planck's None of these Stefan-Boltzman's Wien's displacement Planck's None of these Stefan-Boltzman's Wien's displacement ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film boiling is usually not desired in commercial equipments, because it is not economic the heat transfer rate is low in view of the large temperature drop. @ none of the listed here it is difficult to maintain it is not economic the heat transfer rate is low in view of the large temperature drop. @ none of the listed here it is difficult to maintain ANSWER DOWNLOAD EXAMIANS APP
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