Heat Transfer In which mode of heat transfer, the Biot number is important? Radiation Transient heat conduction Forced convection Natural convection Radiation Transient heat conduction Forced convection Natural convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient continues to decrease continues to increase goes through a minimum goes through a maximum. continues to decrease continues to increase goes through a minimum goes through a maximum. ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a multipass shell and tube heat exchanger, providing a baffle on the shell side __________ the heat transfer rate. May increase or decrease, depends on the type of baffle Does not affect Decreases Increases May increase or decrease, depends on the type of baffle Does not affect Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashhoff number is given by gD2βΔtP²μ gD2βΔtρ/μ² gD³.β.Δtρ²/μ² gD³βΔtP²/μ gD2βΔtP²μ gD2βΔtρ/μ² gD³.β.Δtρ²/μ² gD³βΔtP²/μ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then hf = hd hf < hd hf > hd hf could be greater or smaller than hd hf = hd hf < hd hf > hd hf could be greater or smaller than hd ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator, the pressure is Dependent on the number of effects Highest in last effect Lowest in last effect Same in all effects Dependent on the number of effects Highest in last effect Lowest in last effect Same in all effects ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS