Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l012 3 x l08 3 x l05 3 x l010 3 x l012 3 x l08 3 x l05 3 x l010 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. Vacuum None of these High pressure Backward feed Vacuum None of these High pressure Backward feed 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 None of these Both A and B A section of the exchanger in which change in temperature of one stream equals the average driving force in the section The size of the exchanger in which heat transfer rate is 1 kcal/hr None of these Both A and B A section of the exchanger in which change in temperature of one stream equals the average driving force in the section ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical? 1.5 80 1 0.5 1.5 80 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffle spacing None of these Should be less than the inside diameter of the shell Is not the same as baffle pitch Should be less than one fifth the diameter of the shell None of these Should be less than the inside diameter of the shell Is not the same as baffle pitch Should be less than one fifth the diameter of the shell ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Intermittant tube cleaning is possible to be done in case of a __________ evaporator. Horizontal tube Calendria None of these Basket type Horizontal tube Calendria None of these Basket type ANSWER DOWNLOAD EXAMIANS APP
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