Heat Transfer The ratio of the total emissive power to the absorptivity for all bodies is same at ther-mal equilibrium. This is __________ law. Planck's Wien's displacement Stefan-Boltzman Kirchoffs Planck's Wien's displacement Stefan-Boltzman Kirchoffs ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Pick out the correct equation. JH = (St)2/3(Pr) = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)2/3(Pr) = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)1/3(Pr) = f/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body cools down from 75°C to 70°C in 10 minutes. It will cool down from 70° C to 65° C in __________ minutes. 10 Either B or C, depends on the mass of the body >10 10 Either B or C, depends on the mass of the body >10 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffle spacing None of these Is not the same as baffle pitch Should be less than one fifth the diameter of the shell Should be less than the inside diameter of the shell None of these Is not the same as baffle pitch Should be less than one fifth the diameter of the shell Should be less than the inside diameter of the shell ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8. 20.8 40.4 20.4 40.8 20.8 40.4 20.4 40.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient goes through a maximum. continues to increase continues to decrease goes through a minimum goes through a maximum. continues to increase continues to decrease goes through a minimum ANSWER DOWNLOAD EXAMIANS APP
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