Energy Engineering MCQ

Q1. What is the main source of renewable energy?

Q2. The efficiency of a heat engine is defined as:

Q3. Which law states conservation of energy?

Q4. The Rankine cycle is used primarily in:

Q5. In energy conversion, cogeneration means:

Q6. The primary energy is converted to electrical energy in:

Q7. Which of the following is a fossil fuel?

Q8. Energy stored in chemical bonds is called:

Q9. Which fuel has highest energy content per unit weight?

Q10. Conversion efficiency of photovoltaic solar cells is approximately:

Q11. In wind energy, power generated is proportional to:

Q12. Which form of energy is not renewable?

Q13. Energy stored in an elevated object is:

Q14. Which type of power plant uses nuclear fission?

Q15. Exergy is a measure of:

Q16. Which energy storage technology uses compressed air?

Q17. The first law of thermodynamics is a law of:

Q18. Cogeneration improves:

Q19. Which fuel is considered a biofuel?

Q20. Energy efficiency of coal-fired thermal power plants is approximately:

Q21. In a thermal power plant, the condenser:

Q22. Energy loss in transmission of electricity is largely due to:

Q23. The Carnot cycle efficiency depends on:

Q24. Which is a renewable energy resource?

Q25. Electrochemical energy storage is achieved primarily by:

Q26. In solar thermal energy, energy is harvested from:

Q27. The advantage of supercritical steam in power generation is:

Q28. Flywheel energy storage stores energy as:

Q29. Which is an example of an emerging green energy technology?

Q30. Which factor mainly limits the efficiency of solar cells?

Q31. Combined Cycle Power Plants use:

Q32. Energy density of gasoline is about:

Q33. Thermoelectric generators convert:

Q34. Fundamental particle in nuclear energy is:

Q35. The most abundant fossil fuel in the world is:

Q36. Heat pumps operate based on:

Q37. Energy losses during transmission can be reduced by:

Q38. Which of the following is a fossil fuel?

Q39. The unit of power is: