Heat Transfer A body is called grey if the monochromatic emissivity of the body is Same for all wavelengths Different for all wavelengths Unity Zero Same for all wavelengths Different for all wavelengths Unity Zero ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is a function of Prandtl number and __________ number of fluid in natural convection heat transfer. Grashoff Biot Reynolds Stantan Grashoff Biot Reynolds Stantan 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 32 45 37 50 32 45 37 50 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. 20 1 10 30 20 1 10 30 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day, when it is concentrating from 10% to 25% solids. The water evaporated in kg per day is 24000 48000 6000 60000 24000 48000 6000 60000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid. Either more or less than (depending upon the fluid) Less than Equal to More than Either more or less than (depending upon the fluid) Less than Equal to More than ANSWER DOWNLOAD EXAMIANS APP
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