Heat Transfer Dropwise condensation is promoted on a/an __________ surface. Coated Smooth Glazed Oily Coated Smooth Glazed Oily ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Interfacial tension Liquid density Liquid viscosity Hot surface temperature Interfacial tension Liquid density Liquid viscosity Hot surface temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is 1 >1 <1 Zero 1 >1 <1 Zero ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to (where, f = Fanning friction factor) f 2f f/2 f/4 f 2f f/2 f/4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A hot body will radiate heat most rapidly, if its surface is Black & polished White & rough White & polished Black & rough Black & polished White & rough White & polished Black & rough ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer co-efficient (h1) for liquids increases with Increasing temperature Decreasing temperature Decreasing Reynolds number None of these Increasing temperature Decreasing temperature Decreasing Reynolds number None of these ANSWER DOWNLOAD EXAMIANS APP