Heat Transfer The actual temperature drop across the heating surface in an evaporator depends on the All of these Feed Pressure difference between steam chest and vapour space Depth of liquid over heating surface All of these Feed Pressure difference between steam chest and vapour space Depth of liquid over heating surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The wavelength at which the maximum monochromatic emissive power occurs for a black body, is (where, T = absolute temperature of the black body) αT α T⁴ Independent of T α 1/T αT α T⁴ Independent of T α 1/T ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point of a solution according to Duhring's rule is a linear function of the __________ of water. Thermal conductivity Viscosity Boiling point (at the same pressure) Density Thermal conductivity Viscosity Boiling point (at the same pressure) Density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by None of these Keeping the heat transfer surface clean Increasing the tube length Enhancing the fluid pumping rate None of these Keeping the heat transfer surface clean Increasing the tube length Enhancing the fluid pumping rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of momentum diffusivity to thermal diffusivity is the __________ number. Grashoff Nusselt Stanton Prandtl Grashoff Nusselt Stanton Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation heat losses from satisfactorily insulated high pressure boilar may be about __________ percent. 18 7 26 1 18 7 26 1 ANSWER DOWNLOAD EXAMIANS APP
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