Ch 1

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Question 1 of 10 0% read

1. Which layer of Earth contributes to geothermal heat?

A Atmosphere

B Hydrosphere

C Mantle

D Ionosphere

2. Which energy source is eco-friendly?

A Coal

B Oil

C Geothermal

D Gasoline

3. Main source of energy for greenhouse effect is:

A Earth’s core

B Sun

C Moon

D Fossil fuels

4. Greenhouse effect causes:

A Cooling of Earth

B Constant temperature

C Increase in Earth’s temperature

D Decrease in solar radiation

5. Geothermal energy is obtained from:

A Sun

B Wind

C Earth’s interior

D Water

6. Sea breeze occurs due to:

A Radiation

B Conduction

C Convection

D Evaporation

7. Heat flow in geothermal systems occurs mainly by:

A Conduction

B Convection

C Radiation

D Evaporation

8. Which is an application of heat transfer?

A Refrigerator

B Radio

C Television

D Computer

9. Radiation transfers heat in the form of:

A Sound waves

B Electromagnetic waves

C Mechanical waves

D Particles

10. Thermos flask reduces heat loss by:

A Conduction only

B Convection only

C Radiation only

D All three modes

Ch 1

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