The Graetz number is concerned with the___________________

Related Mcqs:

Which of the following is directly concerned with the heat transfer ?

A. Strouhal number B. Sherwood number C. Euler number D. Grashoff number...

Vent pipes are provided in a condenser to ________________?

A. Remove non-condensable gases B. Purge the condenser C. Facilitate easy cleaning of tubes D. None of these...

LMTD for evaporators & condensers for a given terminal parameters & set of conditions for counter-flow is equal to that for parallel flow. In such heat exchangers, with one of the fluids condensing or evaporating, the surface area required is the least in the ______________ flow?

A. Parallel B. Mixed C. Counter flow D. Same in either A , B. or C....

Peclet number (Pe) is given by____________________?

A. Pe = Re.Pr B. Pe = Re/Pr C. Pe = Pr/Re D. Pe = Nu.Re...

Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is__________________?

A. 0.5 B. 2 C. 10 D. 100...