In case of surface condensers, a straight line is obtained on plotting 1/U vs. ____________ on an ordinary graph paper?

Related Mcqs:

Pick out the correct statement ?

A. 1 kcal/hr.m.°C is equal to 1 BTU/hr. ft.°F B. In steady state heat conduction, the only property of the substance which determines the temperature distribution, is the thermal conductivity C. In unsteady state heat conduction, heat flows in the direction of temperature rise D. In heat transfer by forced convection, Grashoff number is very … Pick out the correct statement ?Read More...

Maximum heat transfer rate is obtained in ______________ flow?

A. Laminar B. Turbulent C. Creeping D. Transition region...

A sphere of radius ‘R1’ is enclosed in a sphere of radius ‘R2’. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is ________________?

A. 0 B. R2/(R1+R2) C. 1 D. (R1/R2)2...

In forced convection, the Nusselt number is a function of ____________________?

A. Re and Pr B. Re and Gr C. Pr and Gr D. Re and Sc...

It is not recommended to use a 1-2 shell and tube heat exchanger for a particular heat duty, whenever the LMTD correction factor is___________________?

A. > 0.75 B. < 0.75 C. < 0.50 D. < 0.25...