Maximum heat transfer rate is obtained in ______________ flow?

Related Mcqs:

Fouling factor for a heat exchanger is given by (where, U1 = heat transfer co-efficient of dirty surface U2 = heat transfer co-efficient of clean surface) ?

A. U1 – U2 B. 1/U1 – 1/U2 C. 1/U2 – 1/U1 D. U2 – U1...

In case of a super-cooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is ________________?

A. More B. Less C. Same D. More or less; depends on the nature of solution...

One kilogram of water at 0°C is changed to superheated steam of one atm pressure and 300° C. The major heat consumption in the process will be to________________?

A. Heat the water from 0°C to 100°C B. Evaporate the water C. To superheat the steam D. Data insufficient, can’t be predicted...

In a shell and tube type heat exchanger, the floating tube bundle heat arrangement is used________________?

A. In low range of temperature differences B. In high range of temperature differences C. Because of its low cost D. To prevent corrosion of the tube bundles...

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

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