One-Dimensional Steady-state Conduction - 1 - Free MCQ Practice Test

Steady state heat flow implies

Consider the following statements:
The Fourier heat conduction equation presumes

1. Steady state conditions
2. Constant value of thermal conductivity
3. Uniform temperature at the wait surfaces
4. One - dimensional heat flow.

Which of these statements are correct?

The heat conducted through a wall of thickness δ is given by

Which amongst the following is not valid pertaining to above equation?

One end of iron rod of cross-sectional area A and length L is kept in a steambath. After same time steady state conditions prevail and Q unit of heat per second passes through any cross- section of the rod. The heat flow rate will be adversely affected if

Match the List-1 (Coordinate system) with ListII (Steady state governing equation) the following:

Temperature distribution in a cylindrical rod with heat generation is given by

The Fourier law of heat conduction is valid for

Fourier law of heat conduction is given by

where
I = thickness of the slab
dT = temperature difference
In this term l/kA is given by

Heat transfer by conduction through hollow cylinder is given by

Heat transfer by conduction through sphere is given by