Heat Transfer Mode of heat transfer in which the fluid moves under the influence of changes in fluid pressure produced by external work is called Radiation Conduction Forced convection Natural convection Radiation Conduction Forced convection Natural convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Crystallisation of solids from a homogeneous solution is a/an __________ process. None of these Exothermic Mildly endothermic Highly endothermic None of these Exothermic Mildly endothermic Highly endothermic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is Corrosive Highly viscous Salty Scaling Corrosive Highly viscous Salty Scaling ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At constant temperature, the thermal conductivities of gases __________ with rise in pressure. May increase or decrease; depends on the pressure Remain unchanged Increase Decrease May increase or decrease; depends on the pressure Remain unchanged Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A dilute aqueous solution is to be concentrated in an evaporator system. High pressure steam is available. Multiple effect evaporator system is employed, because Heat transfer co-efficient in a single effect is much lower than that in any effect in a multieffect system Total heat transfer area of all the effects is -less than that in a single effect evaporator system Total amount of vapor produced per Kg of feed steam in a multiple effect system is much higher than in a single effect Boiling point elevation in a single effect system is much higher than that in any effect in a multieffect system Heat transfer co-efficient in a single effect is much lower than that in any effect in a multieffect system Total heat transfer area of all the effects is -less than that in a single effect evaporator system Total amount of vapor produced per Kg of feed steam in a multiple effect system is much higher than in a single effect Boiling point elevation in a single effect system is much higher than that in any effect in a multieffect system ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Pick out the correct equation. JH = (St)(Pr)1/3 = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)2/3(Pr) = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)2/3(Pr) = f/2 ANSWER DOWNLOAD EXAMIANS APP
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