LMTD for counter-flow and parallel flow heat exchanger will be the same, when the_________________?

Related Mcqs:

For a laminar flow of fluid in a circular tube, ‘h1’ is the convective heat transfer co-efficient at velocity ‘V1’. If the velocity is reduced by half and assuming the fluid properties are constant, the new convective heat transfer co-efficient is________________?

A. 1.26 h1 B. 0.794 h1 C. 0.574 h1 D. 1.741 h1...

In a shell and tube heat exchanger, floating head is used for _________________?

A. Large temperature differentials B. High heat transfer co-efficient C. Low pressure drop D. Less corrosion of tubes...

Corrosiveness of steam condensate is due to the presence of________________?

A. CO2 B. Dissolved O2 C. Both A. & B. D. Neither A. nor B....

The statement that “maximum wavelength of radiation is inversely proportional to the temperature” is ______________ law?

A. Stefan-Boltzmann’s B. Planck’s C. Wien’s displacement D. None of these...

For evaporation of viscous solution in a multiple effect evaporator, the preferred feeding scheme is _________________?

A. Forward B. Backward C. Parallel D. None of these...