Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? Tube side pressure drop and the heat transfer rate Effective tube surface area for convective heat transfer All of these Convective heat transfer co-efficient Tube side pressure drop and the heat transfer rate Effective tube surface area for convective heat transfer All of these Convective heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8. 40.8 40.4 20.4 20.8 40.8 40.4 20.4 20.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For small temperature difference, the heat transfer rate as per Newton's law of cooling is proportional to (where, Δt = excess temperature) Δt³ √Δt Δt² Δt Δt³ √Δt Δt² Δt ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer. no lower the least the largest no lower the least the largest ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator depends upon the Both A and B Neither A nor B Rate of heat transfer Heat balance consideration Both A and B Neither A nor B Rate of heat transfer Heat balance consideration ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T³ None of these Q ∝ T² Q ∝ T⁴ Q ∝ T³ None of these Q ∝ T² Q ∝ T⁴ ANSWER DOWNLOAD EXAMIANS APP
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