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Test: One-Dimensional Steady-state Conduction - 1 - Chemical Engineering MCQ


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10 Questions MCQ Test - Test: One-Dimensional Steady-state Conduction - 1

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Test: One-Dimensional Steady-state Conduction - 1 - Question 1

Steady state heat flow implies

Test: One-Dimensional Steady-state Conduction - 1 - Question 2

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?

Detailed Solution for Test: One-Dimensional Steady-state Conduction - 1 - Question 2

k may be constant or vary.

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Test: One-Dimensional Steady-state Conduction - 1 - Question 3

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

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

Test: One-Dimensional Steady-state Conduction - 1 - Question 4

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

Detailed Solution for Test: One-Dimensional Steady-state Conduction - 1 - Question 4

Test: One-Dimensional Steady-state Conduction - 1 - Question 5

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

Test: One-Dimensional Steady-state Conduction - 1 - Question 6

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

Test: One-Dimensional Steady-state Conduction - 1 - Question 7

The Fourier law of heat conduction is valid for

Detailed Solution for Test: One-Dimensional Steady-state Conduction - 1 - Question 7

While deriving Fourier law of heat conduction some assumptions are made, which are
1. Steady-state condition
2. One-directional heat transfer
3. No heat generation
4. Material is homogeneous and isotropic

Test: One-Dimensional Steady-state Conduction - 1 - Question 8

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

Detailed Solution for Test: One-Dimensional Steady-state Conduction - 1 - Question 8

In case of plane slab

Test: One-Dimensional Steady-state Conduction - 1 - Question 9

Heat transfer by conduction through hollow cylinder is given by

Detailed Solution for Test: One-Dimensional Steady-state Conduction - 1 - Question 9

From Fourier law of heat conduction 

For hollow cylinder

Test: One-Dimensional Steady-state Conduction - 1 - Question 10

Heat transfer by conduction through sphere is given by

Detailed Solution for Test: One-Dimensional Steady-state Conduction - 1 - Question 10

From Fourier law of heat conduction 



 

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