jH factor for heat transfer is not a function of the _______________ number?

Related Mcqs:

The thermal boundary layer at NPr > 1 ?

A. Is thicker than hydrodynamic boundary layer B. Is thinner than hydrodynamic boundary layer C. And the hydrodynamic boundary layers are identical D. Disappears...

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...

The capacity of double-effect evaporator is less than half of the capacity of two single effects, each of which is operating over same terminal temperature difference, when the________________ ?

A. Solution has an elevation of boiling point B. Evaporators operate under vacuum C. Evaporators operate at atmospheric pressure D. None of these...

Prandtl number is the ratio of________________?

A. Momentum diffusivity to mass diffusivity B. Momentum diffusivity to thermal diffusivity C. Thermal diffusivity to mass diffusivity D. Thermal diffusivity to momentum diffusivity...

Increasing the liquor level in the evaporator results in the_______________?

A. Decreased capacity B. Increase in liquor film co-efficient C. Decreased effect of hydrostatic head D. Increased true temperature drop...