The equation, (NSt × N2/3 Pr) = f/2, is the ____________ analogy ?

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...

Stefan-Boltzmann law applies to _____________ body?

A. Black B. White C. Grey D. Any colour...

Which of the following parameters of the fluid is not very important, while deciding its route in a shell and tube heat exchanger ?

A. Corrosiveness & fouling characteristics B. Pressure C. Viscosity D. Density...

Radiation heat losses from satisfactorily insulated high pressure boiler may be about _____________ percent?

A. 1 B. 7 C. 18 D. 26...