GENERATION OF ELECTRICAL POWER- 5
Power Factor and Electrical Generation Quiz
Test your knowledge of electrical power generation and power factor management with this comprehensive quiz. Explore various aspects of power systems, synchronous motors, and the economic factors involved in power production.
- 10 thought-provoking questions
- Multiple choice format
- Instant feedback on your answers
41. Which of the following is the disadvantage due to low power factor?
poor voltage regulation
increase transmission losses
high cost of equipment for a given load
All of the above
42. In a distribution system, in order to improve power factor, the synchronous capacitors are installed _____________
. At the receiving end
at the sending end
either (A) or (B)
None of the above
43. Static capacitors are rated in terms of _____________
KW
KWH
KVAR
None of the above
44. Base load plants usually have _________ capital cost, _______ operating cost and ___________ load factor
. high, high, high
high, low, high
low, low, low
low, high, low
45. Which of the following is the disadvantage of a synchronous condenser?
. High maintenance cost
. Continuous losses in motor
Noise
All of the above
46. For a consumer the most economical power factor is generally __________
0.5 lagging
0.5 leading
. 0.95 lagging
0.95 leading
47. A synchronous condenser is virtually which of the following?
induction motor
under excited synchronous motor
over excited synchronous motor
D.C. generator
48. For a power plant which of the following constitutes running cost?
. Cost of wages
cost of fuel
cost of lubricants
All of the above
49. In an interconnected system, the diversity factor of the whole system ________
remains unchanged
Decreases
Increases
None of the above
50. Which of the following is not necessarily an advantage of interconnecting various power stations?
Improved frequency of power supplied
. Reduction in total installed capacity
Increased reliability
. Economy in operation of plants
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