Heat transfer by radiation between two bodies at T1 & T2 and in an ambient temperature of Ta°C depends on_____________?

Related Mcqs:

The overall heat transfer co-efficient for a shell and tube heat exchanger for clean surfaces is U0 = 400 W/m2.K. The fouling factor after one year of operation is found to be hd0 = 2000 W/m2.K. The overall heat transfer co-efficient at this time is _____________________?

A. 1200 W/m2.K B. 894 W/m2.K C. 333 W/m2.K D. 287 W/m2.K...

Steam trap is used to_________________?

A. Condense the steam flowing in the pipeline B. Remove water resulting from partial condensation of steam C. Stop the supply of steam D. None of these...

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...

Wavelength corresponding to the maximum energy is inversely proportional to the absolute temperature. This is ________________ law?

A. Stefan’s B. Dalton’s C. Wien’s D. Kirchoff’s...

Crystal size in a continuous crystalliser depends upon the___________________?

A. Rate of heat transfer B. Degree of turbulence C. Degree of super-saturation D. All A., B. and C...