The actual temperature drop across the heating surface in an evaporator depends on the_________________?

Related Mcqs:

Pick out the wrong statement ?

A. Heat transfer from a hot body to cold body by the emission of heat waves is called radiation B. Filmwise condensation takes place on non-wettable surfaces C. The boiling point of a solution is affected by liquid head as well as boiling point elevation D. None of these...

The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are_______________?

A. Re.Gz B. Nu, Pr C. Nu, Pr, Re D. Nu, Gz...

Pick out the correct equation ?

A. jH = (St)(Pr)2/3 = f/2 B. jH = (St)(Pr)1/3 = f/2 C. jH = (St)2/3(Pr) = f/2 D. jH = (St)1/3(Pr) = f/2...

The overall resistance for heat transfer through a series of flat resistance, is the _____________ of the resistances?

A. Average B. Geometric mean C. Product D. Sum...

Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is________________?

A. Finned tube heat exchanger with air inside and steam outside B. Finned tube heat exchanger with air outside and steam inside C. Shell and tube heat exchanger with air inside tubes and steam on shell side D. Shell and tube heat exchanger with air on shell side and steam inside tubes...