Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. Remains unchanged Increases May increase or decrease; depends on the liquid Decreases Remains unchanged Increases May increase or decrease; depends on the liquid Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the reciprocal of Thermal diffusivity x Momentum Mass diffusivity x Momentum diffusivity Thermal diffusivity x Mass diffusivity Thermal diffusivity/Momentum diffusivity Thermal diffusivity x Momentum Mass diffusivity x Momentum diffusivity Thermal diffusivity x Mass diffusivity Thermal diffusivity/Momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid. Low pressure Pool Nucleate None of these Low pressure Pool Nucleate None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Neither A and B Both A and B Liquor-film co-efficient Velocity of circulation Neither A and B Both A and B Liquor-film co-efficient Velocity of circulation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the Both B and C Capacity of the evaporator is decreased True temperature drop increases Capacity of the evaporator is increased Both B and C Capacity of the evaporator is decreased True temperature drop increases Capacity of the evaporator is increased ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With the increase of temperature, the Col-burn jH factor Increases Remains unchanged Decreases May increase or decrease ; depending on temperature Increases Remains unchanged Decreases May increase or decrease ; depending on temperature ANSWER DOWNLOAD EXAMIANS APP