Heat Transfer Which of the following is unimportant in forced convection ? Grashhoff number Reynolds number Prandtl number none of the listed here Grashhoff number Reynolds number Prandtl number none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of momentum diffusivity to thermal diffusivity is the __________ number. Grashoff Stanton Prandtl Nusselt Grashoff Stanton Prandtl Nusselt ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam consumption in kg/hr in case of an evaporator is given by (where, C & E are capacity the economy of the evaporator respectively) E/C 1/CE CE C/E E/C 1/CE CE C/E ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single effect evaporator, the economy is 1 > 1 < 1 None of these 1 > 1 < 1 None of these 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. 20 minutes 40 minutes 10 minutes 5 minutes 20 minutes 40 minutes 10 minutes 5 minutes 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 Zero 1 >1 <1 Zero 1 >1 ANSWER DOWNLOAD EXAMIANS APP