Heat Transfer Kirchoff's law is applicable to Only volumes and not to surfaces Both A and B Total radiation only Monochromatic radiation only Only volumes and not to surfaces Both A and B Total radiation only Monochromatic radiation only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat waves Can not pass through vacuum Can be reflected by a mirror Both B and C Travel in straight line Can not pass through vacuum Can be reflected by a mirror Both B and C Travel in straight line ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of evaporators, liquid entrainment results primarily due to high heat transfer rate foaming of the solution high heat transfer rate high vacuum in the evaporator high heat transfer rate foaming of the solution high heat transfer rate high vacuum in the evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, one transfer unit means The size of the exchanger in which heat transfer rate is 1 kcal/hr A section of the exchanger in which change in temperature of one stream equals the average driving force in the section Both A and B None of these The size of the exchanger in which heat transfer rate is 1 kcal/hr A section of the exchanger in which change in temperature of one stream equals the average driving force in the section Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An ejector is used to None of these Increase temperature Remove condensate Increase pressure None of these Increase temperature Remove condensate Increase pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its Dense structure High proportion of air space High specific heat None of these Dense structure High proportion of air space High specific heat None of these ANSWER DOWNLOAD EXAMIANS APP
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