1.
Joule sec is the unit of

2.
The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles caused by some mechanical means, is known as

3.
Heat transfer in liquid and gases takes place by

4.
Which of the following would lead to a reduction in thermal resistance?

5.
The ratio of the thickness of thermal boundary layer to the thickness of hydrodynamic boundary layer is equal to (Prandtl number) n, where n is equal to

6.
Heat flows from one body to other when they have

7.
In regenerator type heat exchanger, heat transfer takes place by

8.
The ratio of the energy absorbed by the body to total energy falling on it is called

9.
Which of the following is the case of heat transfer by radiation?

10.
The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as

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