Heat and Mass Transfer
The energy distribution of an ideal reflector at higher temperatures is largely in the range of

Shorter wavelength
Wavelength has nothing to do with it
Longer wavelength
Remain same at all wavelengths

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
Which of the following would lead to a reduction in thermal resistance?

In conduction, reduction in the thickness of the material and an increase in thermal conductivity.
In radiation, increasing the temperature and reducing the emissivity.
In convection, stirring of the fluid and cleaning the heating surface.
All of these

ANSWER DOWNLOAD EXAMIANS APP