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QUIZ 13.2-CONTINUATION OF TRANSMISSIION OF HEAT

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QUIZ 13.2-CONTINUATION OF TRANSMISSIION OF HEAT

Pelumi January 25, 2025

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Question 1 of 10

1. Question

Which of the following best defines heat?

The total amount of thermal energy in an object

The measure of the average kinetic energy of the particles in an object

The transfer of thermal energy between objects due to a temperature differenc

The measure of the temperature of an object

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Question 2 of 10

2. Question

Heat may be transferred by conduction, convection and radiation. By which of these methods does heat travel through vacuum?

A. Conduction only

B. Convection only

C. Radiation only

D. All these methods

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Question 3 of 10

3. Question

Which of the following is a method of heat transfer?

a) Convection

b) Radiation

c) Conduction

d) All of the mentioned

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Question 4 of 10

4. Question

A person prefers to sit by a fire during the cold winter months. Which of the following heat transfer types gives him with the most heat?

a) Convection and radiation together

b) Radiation will provide quick warmth

c) If it is near the fire, convection sounds good

d) Conduction from the fire

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Question 5 of 10

5. Question

In liquids and gases, heat transmission is primarily caused by

a) Convection

b) Radiation

c) Conduction

d) Conduction as well as convection

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Question 6 of 10

6. Question

For conduction heat transfer, the heat energy propagation will be minimal for __________

a) Copper

b) Air

c) Water

d) Lead

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Question 7 of 10

7. Question

Radiation heat transfer is characterized by

a) Movement of discrete packets of energy as electromagnetic waves

b) Due to bulk fluid motion, there is a transport of energy

c) There is the circulation of fluid by buoyancy effects

d) Thermal energy transfer as vibrational energy in the lattice structure of the material

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Question 8 of 10

8. Question

The thermos flask is designed to?

A) prevent heat loss or gain by conduction, convection amd radiation

B) store hot tea or water

C) prevent heat gain by conduction, convection and radiation

D) prevent head lost conduction, convention and radiation

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Question 9 of 10

9. Question

Which factor affects the rate of heat transfer through a material?

A. Temperature gradient

B. Material color

C. Volume of the material

D. Electrical conductivity

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Question 10 of 10

10. Question

Which of the following is not a method of heat transfer?

A. Conduction

B. Convection

C. Radiation

D. Conduction and Convection

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