Heat Transfer In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is Zero None of these Infinity Same as average heat transfer co-efficient for tube side Zero None of these Infinity Same as average heat transfer co-efficient for tube side ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Presence of a non-condensing gas in a condensing vapour decreases thermal resistance increases the rate of condensation is desirable to increase the film co-efficient None of the listed here decreases thermal resistance increases the rate of condensation is desirable to increase the film co-efficient None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8. 40.4 20.8 40.8 20.4 40.4 20.8 40.8 20.4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat produced when a steady state current, I passes through an electrical conductor having resistance, 'R' is I2R None of the listed here IR2 IR I2R None of the listed here IR2 IR ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Decreases May increase or decrease; depends on the gas Remains unchanged Increases Decreases May increase or decrease; depends on the gas Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a conducting solid material depends upon its temperature porosity both temperature & porosity None of the listed here temperature porosity both temperature & porosity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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