Heat Transfer Presence of a non-condensing gas in a condensing vapour decreases thermal resistance increases the rate of condensation is desirable to increase the film co-efficient None of the listed here decreases thermal resistance increases the rate of condensation is desirable to increase the film co-efficient None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Graetz number is concerned with the heat transfer in turbulent flow heat transfer in laminar flow mass transfer between a gas and a liquid absorption with chemical reaction heat transfer in turbulent flow heat transfer in laminar flow mass transfer between a gas and a liquid absorption with chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. May increase or decrease; depends on the liquid Increases Remains unchanged Decreases May increase or decrease; depends on the liquid Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is 10 2 0.5 100 10 2 0.5 100 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Sensible heat of hot industrial flue gases can not be recovered by a/an Regenerator None of these Ceramic recuperator Economiser Regenerator None of these Ceramic recuperator Economiser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An ejector is used to Increase temperature Remove condensate Increase pressure None of these Increase temperature Remove condensate Increase pressure None of these ANSWER DOWNLOAD EXAMIANS APP
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