Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Neither A and B Liquor-film co-efficient Both A and B Velocity of circulation Neither A and B Liquor-film co-efficient Both A and B Velocity of circulation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff's law is applicable to Total radiation only Only volumes and not to surfaces Both A and B Monochromatic radiation only Total radiation only Only volumes and not to surfaces Both A and B Monochromatic radiation only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If heat transfer rate varies with the time, it is termed as None of these Forced convection Steady state conduction Monochromatic radiation None of these Forced convection Steady state conduction Monochromatic radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation absorber none of the listed here emitter Both emitter & absorber absorber none of the listed here emitter Both emitter & absorber ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat waves Can not pass through vacuum Can be reflected by a mirror Travel in straight line Both B and C Can not pass through vacuum Can be reflected by a mirror Travel in straight line Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid Uneconomic LMTD Decrease in heat exchanger efficiency Excessive corrosion Its evaporation loss Uneconomic LMTD Decrease in heat exchanger efficiency Excessive corrosion Its evaporation loss ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS