Renewable Energy Resources MCQ Unit -5
1. Biomass derived from
(A) Plants
(B) Forest resedues
(C) Animal dung
(D) All of the above
2. Biogas contain
(A) Methane
(B) Ethane
(C) Propane
(D) Butane
3. The principle of biochemical conversion having
(A) Anaerobic digestion
(B) Fermentation
(C) Both
(D) None of above
4. Which are the stage of digestion system ?
(A) Hydrolysis
(B) Acidification
(C) Methane formation
(D) All of the above
5. What is the percentage at which rated power from biogas in petrol engine can be developed?
(A) 70
(B) 80
(C) 85
(D) 90
6. Which of the SI engine can be run on biogas?
(A)Diesel engine
(B) Petrol engine
(C) IC engine
(D) None of above
7. How many types of gasifiers are there?
(A) 2
(B) 3
(C) 4
(D) 5
8. Which is the type of energy where the energy is harnessed by the heat accumulated on the surface of water?
(A) Wind energy
(B) Solar energy
(C) Ocean thermal energy conversion
(D) None of these
9. Who first recognized the OTEC ?
(A) D’Arsonva
(B) Alexander Edmond Becquerel
(C) James Prescott joule
(D) None of these
10. Which of the following has the lowest efficiency?
(A) Wave energy
(B) Solar energy
(C) Wind energy
(D) OTEC
11. Anderson cycle is also known as
(A) Open cycle
(B) Closed cycle
(C) Cloud cycle
(D) None of above
12. Cloud cycle is also known as
(A) Open Cycle
(B) Closed Cycle
(C) Anderson Cycle
(D) None of above
13. The working fluid chosen by Anderson OTEC cycle is
(A) Water
(B) Propane
(C) Engine oil
(D) Methane
14. From which cycle does maximum possible efficiency of a heat engine operating between two temperature limits cannot exceed?
(A) Open Cycle
(B) Closed Cycle
(C) Otto Cycle
(D) Carnot Cycle
15. The ocean thermal energy conversion (OTEC) is uses
(A) Energy difference
(B) Potential difference
(C) Temperature difference
(D) All of the above
16. Waves are caused indirectly by ______
(A) Wave energy
(B) Wind energy
(C) Solar energy
(D) Thermal energy
17. Which type of turbine is commonly used in tidal energy?
(A) Francis turbine
(B) Pelton wheel
(C) Kaplan turbine
(D) Gorlov turbine
18. Which country has world’s largest tidal power plant?
(A) Laos
(B) Netherlands
(C) South korea
(D) Austria
19. how much time does it take for one tidal cycle?
(A) 22h, 20m
(B) 24h, 50m
(C) 22h, 50m
(D) 24h, 20m
20. What type of tide is it if the difference between high and low tide is greatest?.
(A) Diurnal tide
(B) Neap tide
(C) Ebb tide
(D) Spring tide
21. A tide whose difference between high and low tides is least is called as
(A) Diurnal tide
(B) Neap tide
(C) Ebb tide
(D) Spring tide
22. What types of tides occur when there is so much interference with continents?
(A) Diurnal tide
(B) Neap tide
(C) Ebb tide
(D) Spring tide
23. Tidal energy has ________ for future electricity generation.
(A) Wind energy
(B) Solar energy
(C) Potential
(D) None of these
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