Rate of heat transfer by vaporisation from pools of water is affected by the ____________________?

Related Mcqs:

“The ratio of the total emissive power to the absorptivity for all bodies is same at ther-mal equilibrium”. This is ______________ law?

A. Kirchoff’s B. Planck’s C. Wien’s displacement D. Stefan-Boltzmann...

Indirect contact heat exchangers are preferred over direct contact heat exchangers, because_________________?

A. Heat transfer co-efficient are high B. There is no risk of contamination C. There is no mist formation D. Cost of equipment is lower...

Pick out the correct equation ?

A. jH = (St)(Pr)2/3 = f/2 B. jH = (St)(Pr)1/3 = f/2 C. jH = (St)2/3(Pr) = f/2 D. jH = (St)1/3(Pr) = f/2...

Steam economy in case of a triple effect evaporator will be _________________?

A. 1 B. < 1 C. > 1 D. Between 0 and 1...

Kirchoff’s law is applicable to________________?

A. Monochromatic radiation only B. Total radiation only C. Both A. and B. D. Only volumes and not to surfaces...