Heat Transfer The Grashoff number is defined as the ratio of the buoyancy to viscous forces buoyancy to inertial forces inertial to viscous forces. buoyancy to surface tension forces buoyancy to viscous forces buoyancy to inertial forces inertial to viscous forces. buoyancy to surface tension forces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which one gives the monochromatic emissive power for black body radiation ? Stefan-Boltzman law Kirchhoffs law Wien's law Planck's law Stefan-Boltzman law Kirchhoffs law Wien's law Planck's law ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the Less corrosion problems Flexibility possible in the baffle arrangement Low pressure drop High heat transfer co-efficient Less corrosion problems Flexibility possible in the baffle arrangement Low pressure drop High heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances. Product Average Sum Geometric mean Product Average Sum Geometric mean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will Either increase or decrease; depends on the coolant flow rate Remain unchanged Decrease Increase Either increase or decrease; depends on the coolant flow rate Remain unchanged Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, one transfer unit means 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 None of these The size of the exchanger in which heat transfer rate is 1 kcal/hr 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 None of these The size of the exchanger in which heat transfer rate is 1 kcal/hr ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS