Heat Transfer Baffles are provided in heat exchangers to increase the Fouling factor Heat transfer area Heat transfer rate Heat transfer co-efficient Fouling factor Heat transfer area Heat transfer rate Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid. Low pressure Nucleate None of these Pool Low pressure Nucleate None of these Pool 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. Less than Equal to Either more or less than (depending upon the fluid) More than Less than Equal to Either more or less than (depending upon the fluid) More than ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At constant temperature, the thermal conductivities of gases __________ with rise in pressure. Increase May increase or decrease; depends on the pressure Remain unchanged Decrease Increase May increase or decrease; depends on the pressure Remain unchanged Decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In SI units, thermal conductivity is expressed in Watt/m4. °K Watt/m². °K Watt/m². °K Watt/m.°K Watt/m4. °K Watt/m². °K Watt/m². °K Watt/m.°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a counter current heat exchanger with Tih = 80°C, T°c = 60°C, T°h = 50°C and Tic = 30°C, and the temperature difference between the two streams being the same everywhere along Z, the direction of flow of hot fluid. The temperature profile should satisfy dT/dZ = 0 d²T/dZ² < 0 d²T/dZ² > 0 d²T/dZ² = 0 dT/dZ = 0 d²T/dZ² < 0 d²T/dZ² > 0 d²T/dZ² = 0 ANSWER DOWNLOAD EXAMIANS APP
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