Renewable Energy Resources MCQ Unit - 3
1. Geothermal energy is the thermal energy present
(A) On the surface of the earth
(B) In the interior of the earth
(C) On the surface of the ocean
(D) None of the above
2. The process of producing energy by utilizing heat trapped inside the earth surface is called
(A) Hydrothermal energy
(B) Solar energy
(C) Wave energy
(D) Geo-Thermal energy
3. What does it mean when we say that geothermal energy is 'sustainable'?
(A) That it generates greenhouse gases
(B) That it will not be used up
(C) That it can be used anywhere on Earth
(D) That there is a limited supply
4. How much is the average temperature at depth of 10 km of earth surface?
(A) 200oC
(B) 900oC
(C) 650oC
(D) 20oC
5. The following is (are) the visible sign(s) of the large amount of heat lying in the earth’s interior.
(A) Volcanoes
(B) Geysers
(C) Hot springs
(D) All of the above
6. What is hot molten rock called?
(A) Lava
(B) Magma
(C) Volcano
(D) Igneous rock
7. How many kinds of Geothermal steams are there?
(A) 2
(B) 3
(C) 4
(D) 5
8. What are the two types of Geothermal streams?
(A) Magmatic steam
(B) Meteoritic steam
(C) Both a & b
(D) None of these
9. Geothermal steams that are originates from the magma is called
(A) Magmatic steam
(B) Meteoritic steam
(C) Geomagma stem
(D) None of these
10. Geothermal steams that are originates from ground water heated by magma is called
(A) Magmatic steam
(B) Meteoritic steam
(C) Geomagma stem
(D) None of these
11. Who invented first geothermal plant?
(A) Enrico Fermi
(B) Michael Faraday
(C) Piero Ginori Conti
(D) Guglielmo Marconi
12. In which year geothermal plant was invented?
(A) 1903
(B) 1904
(C) 1901
(D) 1902
13. A geothermal solution containing appreciable amounts of sodium chloride or other salts is called as
(A) Fluids
(B) Brine
(C) Solvent
(D) Magma
14. Approximate temperature of the center of earth is
(A) 1,000 K
(B) 4,000 K
(C) 6,000 K
(D) 10,000 K
15. The following is (are) type(s) of Geothermal resource
(A) Hydrothermal
(B) Hot dry rock
(C) Geopressured
(D) All of the above
16. Water boils underground in a hydrothermal when it has pressure of about ____ atm and temperature of about ____ °C.
(A) 3, 100
(B) 6, 120
(C) 5, 140
(D) 7, 165
17. Earth’s outer layer rock is called as __________.
(A) Mantle
(B) Crust
(C) Outer core
(D) Asthenosphere
18. The hole on earth’s surface from where the steam from the earth comes out is called as ________.
(A) Gash
(B) Fumarole
(C) Mud pot
(D) Void
19. A spring that shoots jets of hot water and steam into the air is called as _______.
(A) Mine hole
(B) Geyser
(C) Hot spring
(D) Mud pot
20. Which kind geothermal plant is most common type?
(A) Dry steam
(B) Flash
(C) Binary
(D) Wet steam
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