Dropwise condensation occurs on __________ surfaces.

Related MCQs

• The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation.
• Dropwise condensation occurs on a
• Dropwise condensation is promoted on a/an __________ surface.
• The most conducive surface for dropwise condensation to occur is the __________ surface.
• For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then
• The thickness of condensate layer in filmwise condensation depends on the
• 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
• The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film)
• If air (a non-condensing gas) is present in a condensing vapor stream, it will __________ the condensation rate of vapor.
• The film thickness for laminar film condensation on vertical surface __________ from top to bottom.