Nusselt number is a function of Prandtl number and ______________ number of fluid in natural convection heat transfer?

Related Mcqs:

In a forward feed multiple effect evaporator, the pressure is ____________________?

A. Highest in last effect B. Lowest in last effect C. Same in all effects D. Dependent on the number of effects...

Which of the following has the lowest overall heat transfer co-efficient ?

A. Dowtherm B. Molten sodium C. Water D. Air...

What is the emissivity of a black body ?

A. 0 B. 1 C. 0.5 D. 0.90...

The rate of emission of radiation by a body does not depend upon the__________________?

A. Wavelength of radiation B. Surface temperature of the body C. Nature of the surface D. Shape and porosity of the body...

When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids ?

A. At high fluid velocity B. At low velocity C. When fluid flows past a smooth surface D. None of these...