Heat Transfer Circulation pump is located below the evaporater to Avoid cavitation Avoid frequent priming Create more suction head None of these Avoid cavitation Avoid frequent priming Create more suction head None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? Yellow paint Grey paint Black paint White paint Yellow paint Grey paint Black paint White paint ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient Is not affected Increases May increase or decrease; depends on the feed Decreases Is not affected Increases May increase or decrease; depends on the feed Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Perimeter to surface area Surface area to volume Volume to surface area Surface area to perimeter Perimeter to surface area Surface area to volume Volume to surface area Surface area to perimeter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Hot water (0.01 m³ /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m³/min) of density 800 kg/m³ and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately 37 32 45 50 37 32 45 50 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film condensation is promoted on a/an __________ surface. oily clean & smooth dirty coated oily clean & smooth dirty coated ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS