The thickness of condensate layer in filmwise condensation depends on the__________________?

A. Thermal diffusivity/Momentum diffusivity
B. Thermal diffusivity × Momentum
C. Thermal diffusivity × Mass diffusivity
D. Mass diffusivity × Momentum diffusivity

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

A. Give larger area per tube
B. Use metal fins of low thermal conductivity
C. Facilitate very large temperature drop through tube wall
D. Are used for smaller heat load

A. Yellow paint
B. White paint
C. Black paint
D. Grey paint

A. Keeg the heat transfer surface clean
B. Enhancing the fluid pumg rate
C. Increasing the tube length
D. None of these

A. Bleed point
B. Vent
C. Catchall
D. Baffle