Heat and Mass Transfer
Heat conducted through per unit area and unit thick face per unit time when temperature difference between opposite faces is unity, is called

Temperature gradient
Thermal resistance
Thermal conductivity
Thermal coefficient

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP