Which has the lowest Prandtl number ?

Related Mcqs:

The non-dimensional temperature gradient in a liquid at the wall of a pipe is the ____________________?

A. Heat flux B. Nusselt number C. Prandtl number D. Schmidt number...

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...

In case of _______________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface?

A. Nucleate B. Local C. Pool D. Saturated...

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...

Thermal diffusivity is the most important in heat transfer by__________________?

A. Conduction B. Radiation C. Condensation D. Natural convection...