Q1. What is the main source of renewable energy?
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Q2. The efficiency of a heat engine is defined as:
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Q3. Which law states conservation of energy?
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Q4. The Rankine cycle is used primarily in:
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Q5. In energy conversion, cogeneration means:
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Q6. The primary energy is converted to electrical energy in:
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Q7. Which of the following is a fossil fuel?
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Q8. Energy stored in chemical bonds is called:
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Q9. Which fuel has highest energy content per unit weight?
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Q10. Conversion efficiency of photovoltaic solar cells is approximately:
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Q11. In wind energy, power generated is proportional to:
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Q12. Which form of energy is not renewable?
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Q13. Energy stored in an elevated object is:
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Q14. Which type of power plant uses nuclear fission?
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Q15. Exergy is a measure of:
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Q16. Which energy storage technology uses compressed air?
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Q17. The first law of thermodynamics is a law of:
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Q18. Cogeneration improves:
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Q19. Which fuel is considered a biofuel?
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Q20. Energy efficiency of coal-fired thermal power plants is approximately:
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Q21. In a thermal power plant, the condenser:
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Q22. Energy loss in transmission of electricity is largely due to:
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Q23. The Carnot cycle efficiency depends on:
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Q24. Which is a renewable energy resource?
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Q25. Electrochemical energy storage is achieved primarily by:
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Q26. In solar thermal energy, energy is harvested from:
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Q27. The advantage of supercritical steam in power generation is:
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Q28. Flywheel energy storage stores energy as:
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Q29. Which is an example of an emerging green energy technology?
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Q30. Which factor mainly limits the efficiency of solar cells?
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