Electrical Engineering : Economics Of Power Generation QUESTIONS AND ANSWERS :: part3 : 6 to 10
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
6.For a consumer the most economical power factor is generally |
| 0.5 lagging |
| 0.5 leading |
| 0.95 lagging |
| 0.95 leading |
7.For a power plant which of the following constitutes running cost ? |
| Cost of wages |
| Cost of fuel |
| Cost of lubricants |
| All of the above |
8.Generators for peak load plants are usually designed for maximum efficiency at |
| 25 to 50 percent full load |
| 50 to 75 percent full load |
| full load |
| 25 percent overload |
9.Which of the following is the disadvantage due to low power factor ? |
| Poor voltage regulation |
| Increased transmission losses |
| High cost of equipment for a given load |
| All of the above |
10.In a power plant if the maximum demand on the plant is equal to the plant capacity, then |
| plant reserve capacity will be zero |
| diversity factor will be unity |
| load factor will be unity |
| load factor will be nearly 60% |
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