The film thickness for laminar film condensation on vertical surface _____________ from top to bottom?

Related Mcqs:

Grashoff number is given by________________?

A. gD3.β.Δtρ2/μ2 B. gD2βΔtρ/μ2 C. gD2βΔtP2μ D. gD3βΔtP2/μ...

View factor is important in heat transfer by_____________________?

A. Steady state conduction B. Natural convection C. Forced convection D. Radiation...

A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of__________________?

A. 2 B. 20.8 C. 20.2 D. 20.5...

Absorptivity and reflectivity of a perfect black body are respectively _______________?

A. 1 and 0 B. 0 and 1 C. 1 and ∞ D. 0 and 0.5...

In case of a multipass shell and tube heat exchanger, the temperature drop in the fluid _______________?

A. Is inversely proportional to the resistance across which the drop occurs B. And the wall are proportional to individual resistances C. And the wall is not related D. None of these...