Heat Transfer Heat flux is the time rate of heat transfer per unit volume none of the listed here area length volume none of the listed here area length ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Decreases Increases May increase or decrease; depends on the gas Remains unchanged Decreases Increases May increase or decrease; depends on the gas Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, one transfer unit means None of these Both A and B The size of the exchanger in which heat transfer rate is 1 kcal/hr A section of the exchanger in which change in temperature of one stream equals the average driving force in the section None of these Both A and B The size of the exchanger in which heat transfer rate is 1 kcal/hr A section of the exchanger in which change in temperature of one stream equals the average driving force in the section ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat sensitive materials can be concentrated in an evaporator employing High pressure High residence time None of these Vacuum High pressure High residence time None of these Vacuum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the minimum absorptivity? Coal dust Iron plates Aluminium foil Refractory bricks Coal dust Iron plates Aluminium foil Refractory bricks ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a conducting solid material depends upon its None of the listed here porosity both temperature & porosity temperature None of the listed here porosity both temperature & porosity temperature ANSWER DOWNLOAD EXAMIANS APP
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