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__________________?

Related Mcqs:

In a forward feed multiple effect evaporator, the pressure is ____________________?

A. Highest in last effect B. Lowest in last effect C. Same in all effects D. Dependent on the number of effects...

Which of the following has the lowest overall heat transfer co-efficient ?

A. Dowtherm B. Molten sodium C. Water D. Air...

In SI units, thermal conductivity is expressed in__________________?

A. Watt/m.°K B. Watt/m2. °K C. Watt/m2. °K D. Watt/m4. °K...

What is the logarithmic mean of r1 and r2 ?

A. (r1 – r2)/ln(r1/r2) B. (r1 – r2)/ln(r2/r1) C. (r2 – r1)/ln(r1/r2) D. (r1 – r2)/-ln(r1/r2)...

The unit of heat transfer co-efficient is_________________?

A. BTU/hr. ft2°F B. BTU/hr. °F. ft C. BTU/hr. °F D. BTU/hr. ft...