Question 21 : Which type of turbine is commonly used in tidal energy?
1. Francis turbine
2. Kaplan turbine
3. Pelton wheel
4. Gorlov turbine
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Question 22 : Which geothermal system utilizes relatively low temperature heat of geothermal sources?
1. Hybrid geothermal Fossil system
2. Flashed steam system
3. Liquid dominated total flow concept
4. Petro thermal systems
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Question 23 : Anderson cycle is also known as _________
1. Open cycle
2. Claude cycle
3. Closed cycle
4. Otto cycle
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Question 24 : Motion of water in a wave is primarily ________
1. Vertical
2. Horizontal
3. Linear
4. Opposite
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Question 25 : Which of the turbine can be mounted vertically and horizontally?
1. Pelton wheel
2. Kaplan turbine
3. Gorlov turbine
4. Francis turbine
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Question 26 : Name the process of excavation activity usually carried underwater of purpose of gathering up bottom sediments.
1. Police drag
2. Dredging
3. Auger suction
4. Anti-eutrophication
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Question 27 : What is the movement of water away from the shore called?
1. Flood tide
2. Spring tide
3. Ebb tide
4. Neap tide
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Question 28 : How much is the efficiency of geothermal plant?
1. 28%
2. 15%
3. 42%
4. 30%
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Question 29 : What type of tide is it if the difference between high and low tide is greatest?
1. Diurnal tide
2. Neap tide
3. Spring tide
4. Ebb tide
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Question 30 : Does harnessing of geothermal energy cause earthquakes?
1. True
2. False
3.
4.
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