Heat Transfer A hot body will radiate heat most rapidly, if its surface is Black & rough Black & polished White & polished White & rough Black & rough Black & polished White & polished White & rough ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer. lower the least the largest no lower the least the largest no ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in porosity, the thermal conductivity of a solid substance Increases Decreases Remains unchanged May increase or decrease; depends on the solid Increases Decreases Remains unchanged May increase or decrease; depends on the solid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A dephlegmator is a Vacuum evaporator Double pipe heat exchanger Partial condenser Total condenser Vacuum evaporator Double pipe heat exchanger Partial condenser Total condenser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Corrosiveness of steam condensate is due to the presence of CO₂ Dissolved O₂ Both A & B Neither A nor B CO₂ Dissolved O₂ Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Fourier's law, the proportionality constant is called the Thermal conductivity Heat transfer co-efficient Thermal diffusivity Stefan-Boltzman constant Thermal conductivity Heat transfer co-efficient Thermal diffusivity Stefan-Boltzman constant ANSWER DOWNLOAD EXAMIANS APP
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