Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Increases Remains unchanged Decreases May increase or decrease; depends on the gas Increases Remains unchanged Decreases May increase or decrease; depends on the gas ANSWER DOWNLOAD EXAMIANS APP
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 16.5 kW/m² 14.6 kW/m² 12.0 kW/m² 11.2 kW/m² 16.5 kW/m² 14.6 kW/m² 12.0 kW/m² 11.2 kW/m² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Rate of crystallisation does not depend upon the None of these Extent of supersaturation Turbulence within the solution Number and active surface area of the crystals None of these Extent of supersaturation Turbulence within the solution Number and active surface area of the crystals ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A dephlegmator is a Partial condenser Total condenser Vacuum evaporator Double pipe heat exchanger Partial condenser Total condenser Vacuum evaporator Double pipe heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water always boils when its Temperature reaches 100° C Saturated vapour pressure is less than the atmospheric pressure Vapour pressure equals 76 cm of Hg Saturated vapour pressure equals the external pressure on its surface Temperature reaches 100° C Saturated vapour pressure is less than the atmospheric pressure Vapour pressure equals 76 cm of Hg Saturated vapour pressure equals the external pressure on its surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The statement that "maximum wavelength of radiation is inversly proportional to the temperature" is __________ law. Stefan-Boltzman's None of these Planck's Wien's displacement Stefan-Boltzman's None of these Planck's Wien's displacement ANSWER DOWNLOAD EXAMIANS APP
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