Heat Transfer Double pipe heat exchangers are used because it occupies less floor area when heat transfer area required is very high when heat transfer area required is very low because it is less costly because it occupies less floor area when heat transfer area required is very high when heat transfer area required is very low because it is less costly ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Natural convection is characterised by Peclet number Grashhoff number Reynolds number Prandtl number Peclet number Grashhoff number Reynolds number Prandtl number 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. 20.8 40.4 20.4 40.8 20.8 40.4 20.4 40.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Direct contact Counter-current Co-current Cross-current Direct contact Counter-current Co-current Cross-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the free convection regime of pool boiling, the heat flux is proportional to Δt Δt1/2 Δt5/4 Δt2 Δt Δt1/2 Δt5/4 Δt2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in No effect on economy Decreased economy Increased economy Lower capacity No effect on economy Decreased economy Increased economy Lower capacity ANSWER DOWNLOAD EXAMIANS APP
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