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This mock test of Test: One-Dimensional Steady-state Conduction - 1 for Chemical Engineering helps you for every Chemical Engineering entrance exam.
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QUESTION: 1

Steady state heat flow implies

Solution:

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?

Solution:

k may be constant or vary.

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?

Solution:

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

Solution:

QUESTION: 5

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

Solution:

QUESTION: 6

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

Solution:

QUESTION: 7

The Fourier law of heat conduction is valid for

Solution:

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

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

Solution:

In case of plane slab

QUESTION: 9

Heat transfer by conduction through hollow cylinder is given by

Solution:

From Fourier law of heat conduction

For hollow cylinder

QUESTION: 10

Heat transfer by conduction through sphere is given by

Solution:

From Fourier law of heat conduction

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