Heat Transfer A black body does not __________ radiation. Reflect Refract Both B & C Absorb or emit Reflect Refract Both B & C Absorb or emit 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 Its evaporation loss Decrease in heat exchanger efficiency Excessive corrosion Uneconomic LMTD Its evaporation loss Decrease in heat exchanger efficiency Excessive corrosion ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a regenerator recuperator boiler heat exchanger regenerator recuperator boiler heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The capacity of double-effect evaporator is less than half of the capacity of two single effects, each of which is operating over same terminal temperature difference, when the None of these Evaporators opreate at atmospheric pressure Evaporators operate under vacuum Solution has an elevation of boiling point None of these Evaporators opreate at atmospheric pressure Evaporators operate under vacuum Solution has an elevation of boiling point ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the highest thermal conductivity ? Black Silver Water Air Black Silver Water Air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum water velocity in tubes of a 1-2 shell and tube heat exchanger may be around __________ metres/second. 10 30 20 1 10 30 20 1 ANSWER DOWNLOAD EXAMIANS APP