Heat transfer rate per unit area is called_________________?

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...

An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a_________________?

A. Boiler B. Heat exchanger C. Recuperator D. Regenerator...

Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface ?

A. Liquid density B. Liquid viscosity C. Hot surface temperature D. Interfacial tension...

The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) _________________?

A. ∝ t B. ∝ 1/t C. ∝ √t D. Independent of ‘t’...

Pick out the wrong statement?

A. The capacity of an evaporator is reduced by the boiling point elevation B. Corrosive liquid is normally passed through the tubes in a shell and tube heat exchanger C. Steam jet ejector is used for vapor compression in a thermal recompression evaporator D. Heat sensitive materials should be concentrated in high pressure evaporators...