Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T² None of these Q ∝ T³ Q ∝ T⁴ Q ∝ T² None of these Q ∝ T³ Q ∝ T⁴ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number for full developed, laminar, constant property flow in a pipe at uniform heat flux is 0.72 83 4.364 18 0.72 83 4.364 18 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Both A and B Liquor-film co-efficient Neither A and B Velocity of circulation Both A and B Liquor-film co-efficient Neither A and B Velocity of circulation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, floating head is used for High heat transfer co-efficient Less corrosion of tubes Large temperature differentials Low pressure drop High heat transfer co-efficient Less corrosion of tubes Large temperature differentials Low pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that (where, St = Stanton number f = friction factor) St = f/2 St = f1/2 St = 4f St = f/4 St = f/2 St = f1/2 St = 4f St = f/4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the ratio of Thermal diffusivity to momentum diffusivity Momentum diffusivity to mass diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Thermal diffusivity to momentum diffusivity Momentum diffusivity to mass diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
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