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 Which of the following has the minimum absorptivity? Refractory bricks Aluminium foil Coal dust Iron plates Refractory bricks Aluminium foil Coal dust Iron plates ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Increasing the liquor level in the evaporator results in the decreased effect of hydrostatic head increased true temperature drop decreased capacity increase in liquor film co-efficient decreased effect of hydrostatic head increased true temperature drop decreased capacity increase in liquor film co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it Increases the overall heat transfer coefficient None of these Decreases the outlet temperature of cooling medium Decreases the pressure drop Increases the overall heat transfer coefficient None of these Decreases the outlet temperature of cooling medium Decreases the pressure drop 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 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 Higher shell side heat transfer co-efficient Higher tube side heat transfer co-efficient Lower tube side pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer (NRe.NPr)(D/L) is called the __________ number Stanton None of these Graetz Peclet Stanton None of these Graetz Peclet ANSWER DOWNLOAD EXAMIANS APP
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