Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. Increases Remains unchanged May increase or decrease; depends on the liquid Decreases Increases Remains unchanged May increase or decrease; depends on the liquid Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When vaporisation takes place directly at the heating surface, it is called all of the listed here vapour binding film boiling nucleate boiling all of the listed here vapour binding film boiling nucleate boiling ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is < 1 1 > 5 > 1 < 1 1 > 5 > 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat flux in the nucleate boiling regimes is proportional to (where, ΔT = excess temperature) √(ΔT) (ΔT)⁴ (ΔT)³ (ΔT)² √(ΔT) (ΔT)⁴ (ΔT)³ (ΔT)² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of most liquids Increases First increases upto a certain temperature and then becomes constant Remains same Decreases Increases First increases upto a certain temperature and then becomes constant Remains same Decreases 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 Lower capacity Increased economy No effect on economy Decreased economy Lower capacity Increased economy ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS