Heat Transfer The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. May increase or decrease ; depends on the material Decreases Increases Remains constant May increase or decrease ; depends on the material Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator unit No pump is required to withdraw the product from the last effect Transfer from effect to effect is done by pumps Viscosity of liquid is highest in first effect None of these No pump is required to withdraw the product from the last effect Transfer from effect to effect is done by pumps Viscosity of liquid is highest in first effect None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A dephlegmator is a Double pipe heat exchanger Vacuum evaporator Partial condenser Total condenser Double pipe heat exchanger Vacuum evaporator Partial condenser Total condenser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The units of resistance to heat transfer is W.m⁻².K⁻¹ W⁻¹m²K J.m⁻².K⁻¹ J.m⁻¹.K⁻¹ W.m⁻².K⁻¹ W⁻¹m²K J.m⁻².K⁻¹ J.m⁻¹.K⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Heat transfer area Heat transfer co-efficient Mechanical strength of the equipment Temperature gradient Heat transfer area Heat transfer co-efficient Mechanical strength of the equipment Temperature gradient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is obtained in __________ flow. Creeping Turbulent Transition region Laminar Creeping Turbulent Transition region Laminar ANSWER DOWNLOAD EXAMIANS APP
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