Heat Transfer The film thickness for laminar film condensation on vertical surface __________ from top to bottom. Cummulatively increases Cummulatively decreases And the surface conductance increase Remains constant Cummulatively increases Cummulatively decreases And the surface conductance increase Remains constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When warm and cold liquids are mixed, the heat transfer is mainly by conduction none of the listed here radiation convection conduction none of the listed here radiation convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Circulation pump is located below the evaporater to None of these Create more suction head Avoid cavitation Avoid frequent priming None of these Create more suction head Avoid cavitation Avoid frequent priming ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the Temperature gradient of the wall to that across the entire pipe None of these Temperature difference to the temperature gradient at the wall Heat flux at the wall to that across the entire pipe Temperature gradient of the wall to that across the entire pipe None of these Temperature difference to the temperature gradient at the wall Heat flux at the wall to that across the entire pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A steel sphere of radius 0.1 m at 400°K is immersed in an oil at 300°K. If the centre of the sphere reaches 350°K in 20 minutes, how long will it take for a 0.05 m radius steel sphere to reach the same temperature (at the centre) under identical conditions ? Assume that the conductive heat transfer co-efficient is infinitely large. 5 minutes 40 minutes 20 minutes 10 minutes 5 minutes 40 minutes 20 minutes 10 minutes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation energy is emitted by all the substances, which are above 0°K 100°C none of the listed here 0°C 0°K 100°C none of the listed here 0°C ANSWER DOWNLOAD EXAMIANS APP
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