Heat Transfer The radiation heat flux from a heating element at a temperature of 800°C, in a furnace maintained at 300°C is 8 kW/m². The flux, when the element temperature is increased to 1000°C for the same furnace temperature is 12.0 kW/m² 14.6 kW/m² 16.5 kW/m² 11.2 kW/m² 12.0 kW/m² 14.6 kW/m² 16.5 kW/m² 11.2 kW/m² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the heat transfer depends on none of the listed here Re, Gr mainly Gr Re, Pr none of the listed here Re, Gr mainly Gr Re, Pr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid for fluids in laminar flow for fluids in tubulent flow none of the listed here when Grashhoff number is very important for fluids in laminar flow for fluids in tubulent flow none of the listed here when Grashhoff number is very important ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is None of these Zero Infinity Same as average heat transfer co-efficient for tube side None of these Zero Infinity Same as average heat transfer co-efficient for tube side ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Co-current Cross-current Counter-current Direct contact Co-current Cross-current Counter-current Direct contact ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiant energy received by a body is proportional to (where, d = the distance between the object emitting radiation and that receiving it.) d √d d1.5 d2 d √d d1.5 d2 ANSWER DOWNLOAD EXAMIANS APP
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