Overall heat transfer co-efficient for cooling of hydrocarbons by water is about_________________?

Related Mcqs:

A multiple effect evaporator as compared to a single effect evaporator of the same capacity has _________________?

A. Lower heat transfer area B. Lower steam economy C. Higher steam economy D. Higher solute concentration in the product...

It is not preferable to use superheated steam in evaporators, because of its very_________________?

A. High temperature B. High pressure C. Low film co-efficient D. None of these...

For heat flow through very thick walled cylinder, use ___________mean radius?

A. Arithmetic B. Logarithmic C. Geometric D. Either A. or C....

The interchange factor for radiation heat transfer from surface ‘x’ to surface ‘y’ in case of an infinite parallel planes with emissivities εx & εy is given by_______________?

A. εx + εy B. εx . εy C. 1/εx + 1/εy D. (εx + εy)/( εx + εy – εx . εy)...

Pick out the wrong statement ?

A. The condensing film co-efficient is about 3 times lower for vertical condenser as compared to the equivalent horizontal condenser for identical situation B. Film co-efficient for vaporisation decreases as a result of vapor binding C. In industrial practice, sub-cooling of condensate is required, when the condensate is a volatile liquid and is to be … Pick out the wrong statement ?Read More...