Film condensation is promoted on a/an _______________________ surface?

Related Mcqs:

Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the_________________?

A. Existence of thermal boundary layer B. Temperature gradient produced due to density difference C. Buoyancy of the bubbles produced at active nucleation site D. None of these...

Cpμ/K is termed as the ______________ number?

A. Grashoff B. Nusselt C. Prandtl D. Stanton...

In case of heat transfer by conduction in a hollow cylinder, ______________ mean area is used to calculate the heat transfer rate?

A. Geometric B. Arithmetic C. Logarithmic D. Either A., B. or C....

Radiator of an automobile engine is a ______________ type of heat exchanger?

A. Co-current B. Cross-current C. Counter-current D. Direct contact...

Fruit juice (a heat sensitive material) can be concentrated in a ____________ evaporator?

A. Long tube B. Falling film C. High pressure D. None of these...