At constant temperature, the thermal conductivities of gases _____________ with rise in pressure?

Related Mcqs:

‘Duhring’s plot’ is of use in_________________?

A. Extractive distillation B. Evaporation C. Leaching D. Absorption...

In a shell and tube heat exchanger, square pitch compared to triangular pitch__________________?

A. Gives a higher shell side pressure drop B. Gives a lower shell side pressure drop C. Can pack more surface area into a shell of given diameter D. None of these...

Multipass heat exchangers are used______________________?

A. Because of simplicity of fabrication B. For low heat load C. To obtain higher heat transfer co-efficient and shorter tube D. To reduce the pressure drop...

Choose the correct equation ?

A. Nu = (Re) (Pr) (Gz) B. Nu = (Re) (Pr) (St) C. Nu = (Re) (Pr) D. Nu = (Pr) (St)...

Multiple effect evaporators are commonly used in the manufacture of P. Paper Q. Superphosphate R. Sugar S. Fats ?

A. P and Q B. P and R C. P and S D. R and S...