Power Plants Economics Interview Questions:

Following are the below Power Plants Economics Interview Questions and Important Questions which is very useful for interviews and exams

1. Differentiate between fixed and operating costs of power plants. List the items which constitute the fixed and operating cost.

2. Discuss and explain the various components of (i) fixed cost and (ii) operating cost and make a comparative assessment of these in thermal, hydro and nuclear power plants.

3. What is depreciation reserve? Discuss the methods to calculate the depreciation charges.

4. What is depreciation reserve ? Why is it necessary to main­tain it ? Discuss the methods to calculate the depreciation charges.

5. What is depreciation reserve? Briefly explain the sinking fund method to find it.

6. Explain the difference between chronological load curve and load duration curve.

7. Explain the load duration curves and write the various factors that may be calculated.

8. Convert a chronological load curve into load duration curve.

9. Explain the load duration curve and mass curve with their complete information.

10. Explain (i) chronological load curve (ii) load duration curve and (iii) energy load curve.

11. What are the different factors related to plants and consumer for power plant economics.

12. Define the following: (i) Diversity factor (ii) Load factor (iii) Plant capacity factor (iv) Plant use factor.

13. Define load factor, utility factor, capacity factor, demand factor, and diversity factor.

14. Define installed capacity, installed reserve, cold reserve, operating reserve, and spinning reserve.

15. Explain in brief about plant capacitor factor.

16. Differentiate between fixed and operating costs of power plants. List the items which constitute the fixed and operating costs. Also discuss the role of load factor on the cost of electrical energy.

17. Discuss the effect of load factor on the cost of generation in a power system. Explain the following terms : Connected load, Maximum demand and Demand factor.

18. Explain the terms load factor and diversity factor. How do these factors influence the cost of generation?

19. What is the effect of load factor and load diversity factor on power system economics? Describe fixed and operating costs of hydroelectric power systems.

20. Define the terms (i) load factor, (ii) diversity factor and discuss their influence on the cost of generation.

21. Discuss the role of load factor on the cost of electrical energy. Briefly discuss the factors affecting economics of generation and distribution of power and how to reduce the power generation cost.

22. Discuss the factors affecting economics of generation and distribution of power and how to reduce the power generation cost.

23. How the number and size of units in an isolated power plant are selected ?

24. Write short notes on the following:

• Generation cost and annual fixed cost.
• Load curves.
• Load division on hydro-steam system.
• Load factor.
• Plant capacity factor.
• Utilization factor.

25. Write short notes on demand factor, capacity factor, utilization factor and mass curve.