Heat Transfer Film condensation is promoted on a/an __________ surface. dirty coated oily clean & smooth dirty coated oily clean & smooth ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number for most of dry gases is about 0.001 70 150 0.72 0.001 70 150 0.72 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to (where, f = Fanning friction factor) 2f f/4 f/2 f 2f f/4 f/2 f ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Grashoff number is defined as the ratio of the inertial to viscous forces. buoyancy to inertial forces buoyancy to surface tension forces buoyancy to viscous forces inertial to viscous forces. buoyancy to inertial forces buoyancy to surface tension forces buoyancy to viscous forces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The left face of a one dimensional slab of thickness 0.2 m is maintained at 80°C and the right face is exposed to air at 30°C. The thermal conductivity of the slab is 1.2 W/m.K and the heat transfer co-efficient from the right face is 10 W/m².K. At steady state, the temperature of the right face in °C is 48.7 63.8 77.2 71.2 48.7 63.8 77.2 71.2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, one transfer unit means The size of the exchanger in which heat transfer rate is 1 kcal/hr None of these Both A and B A section of the exchanger in which change in temperature of one stream equals the average driving force in the section The size of the exchanger in which heat transfer rate is 1 kcal/hr None of these Both A and B 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
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