With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer ?

Related Mcqs:

Pick out the wrong statement ?

A. In drying a solid containing moisture above the critical moisture content the number of degrees of freedom is 2 B. Sherwood number in mass transfer corresponds to Nusselt number in heat transfer and Schmidt number to Prandtl number C. Forced convection is relatively more effective in increasing the rate of mass transfer, if Schmidt … Pick out the wrong statement ?Read More...

In forced convection, the Nusselt number is a function of ____________________?

A. Re and Pr B. Re and Gr C. Pr and Gr D. Re and Sc...

Pick out the correct statement ?

A. Higher is the temperature of the radiating body, higher is the wavelength of radiation B. Logarithmic mean area is used for calculating the heat flow rate through a thick walled cylinder C. The wavelength corresponding to maximum mono-chromatic emissive power increases with rise in temperature D. Solid angle subtended by the finite surface at … Pick out the correct statement ?Read More...

In forced convection, the heat transfer depends on _______________?

A. Re, Pr B. Re, Gr C. Mainly Gr D. Re only...

Sensible heat of hot industrial flue gases cannot be recovered by a/an________________?

A. Economiser B. Regenerator C. Ceramic recuperator D. None of these...