Reynold’s analogy states that_________________?

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...

In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will___________________?

A. Increase B. Decrease C. Remain unchanged D. Either increase or decrease; depends on the coolant flow rate...

For hot feed, forward feeding as compared to backward feeding results in ______________ economy?

A. Increased B. Decreased C. No effect on D. None of these...

Pick out the wrong statement ?

A. With change in temperature, the radiant energy emitted by a black body remains unchanged B. Absorptivity of a body approaches unity in case of diffuse reflection C. Absorptivity of a perfectly black body is unity D. Value of Stefan-Boltzmann constant is 4.876 × 10-8 KCal/m2.hr.°K4...