Heat Transfer In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is Less More More or less; depends on the nature of solution Same Less More More or less; depends on the nature of solution Same ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nucleate boiling is promoted On rough surfaces In the absence of agitation None of these On polished surfaces On rough surfaces In the absence of agitation None of these On polished surfaces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the baffle spacing in a shell and tube heat exchanger increases, then the Reynolds number of the shell side fluid Increases Decreases Increases or decreases depending on number of shell passes Remains unchanged Increases Decreases Increases or decreases depending on number of shell passes Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator is not influenced much by the rate of heat transfer boiling point elevations temperature of the feed ratio of the weight of the thin liquor to thick liquor rate of heat transfer boiling point elevations temperature of the feed ratio of the weight of the thin liquor to thick liquor ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the Buoyancy of the bubbles produced at active nucleation site Temperature gradient produced due to density difference None of these Existence of thermal boundary layer Buoyancy of the bubbles produced at active nucleation site Temperature gradient produced due to density difference None of these Existence of thermal boundary layer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the total emissivity of conductors Increases Decreases linearly Decreases Remains same Increases Decreases linearly Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS