Heat Transfer Boiling point elevation of an ideal solution Decreases rapidly with temperature rise In independent of pressure Both B and C Increases rapidly with temperature rise Decreases rapidly with temperature rise In independent of pressure Both B and C Increases rapidly with temperature rise ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number. Brinkman Grashoff Condensation Stantan Brinkman Grashoff Condensation Stantan ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of 'n' is exactly 4 for Black painted bodies only Polished bodies only All bodies A black body Black painted bodies only Polished bodies only All bodies A black body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscosity of gases __________ with increase in temperature. Increase slowly Decrease slowly Increase very rapidly Remain unaffected Increase slowly Decrease slowly Increase very rapidly Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the temperature gradient at the wall to Temperature difference None of these Heat flux That across the entire pipe Temperature difference None of these Heat flux That across the entire pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by Increasing the tube length None of these Keeping the heat transfer surface clean Enhancing the fluid pumping rate Increasing the tube length None of these Keeping the heat transfer surface clean Enhancing the fluid pumping rate ANSWER DOWNLOAD EXAMIANS APP
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