In forced convection, the heat transfer depends on _______________?

Related Mcqs:

LMTD can’t be used as such without a correction factor for the_________________?

A. Multipass heat exchanger B. Baffled heat exchanger C. Condensation of mixed vapour in a condenser D. All A. B. and C....

Heat flux increases with temperature drop beyond the Leiden frost point in the plot of heat flux vs. temperature drop for a boiling liquid, because___________________?

A. Convection becomes important B. Conduction becomes important C. Radiation becomes important D. Sub-cooled boiling occurs...

_____________ heat exchanger is used for chilling oil to be dewaxed?

A. U-tube B. Double pipe C. Fixed tube D. Floating head...

Water is normally used as a coolant in the heat exchange equipments mainly because of its___________________?

A. Abundance & high heat capacity B. Low density C. Low viscosity D. High fluidity...

In Biot number, the characteristic length used is the ratio of the _______________ of the solid?

A. Volume to surface area B. Perimeter to surface area C. Surface area to volume D. Surface area to perimeter...