Nusselt number is the ratio of the temperature gradient at the wall to – McqOptions

MCQOPTIONS

1.	Nusselt number is the ratio of the temperature gradient at the wall to_________________?
A.	Temperature difference
B.	Heat flux
C.	That across the entire pipe
D.	None of these
Answer» D. None of these

Discussion

No Comment Found

Related MCQs

While the total emissivity of a perfect black body is unity, the same for a real body is__________________?
With increase in porosity, the thermal conductivity of a solid substance__________________?
With increase in temperature, the thermal conductivity of fresh lubricating oil ___________________?
With increase in temperature, the thermal conductivity of most liquids_________________?
With increase in temperature, the thermal conductivity of a gas ___________________?
With increase in temperature, the thermal conductivity of non-metallic amorphous solids_________________?
With increase in temperature, the total emissivity of conductors____________________?
With increase in temperature, the thermal conductivity of steel___________________?
With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer ?
With the increase of temperature, the Col-burn jH factor_____________________?