Computer Programming MCQs

5739 MCQs  (Page 127 of 574)

Attempt Computer Programming MCQs Quiz
An induction motor has relatively high power factor at__________?
A. Rated r.p.m.
B. No load
C. 20 percent load
D. Near full load
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In a distribution system, in order to improve power factor, the synchronous capacitors are installed__________?
A. At the receiving end
B. At the sending end
C. Either a. or (b)
D. None of the above
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Which of the following is the disadvantage of a synchronous condenser?
A. High maintenance cost
B. Continuous losses in motor
C. Nosie
D. All of the above
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For a consumer the most economical power factor is generally____________?
A. 0.5 lagging
B. 0.5 leading
C. 0.95 lagging
D. 0.95 leading
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In an interconnected system, the diversity factor of the whole system:
A. Remains unchanged
B. Decreases
C. Increases
D. None of the above
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__________ will be least affected due to charge in supply voltage frequency.
A. Electric clock
B. Mixer grinder
C. Ceiling fan
D. Room heater
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Which of the following is not necessarily an advantage of interconnecting various power stations?
A. Improved frequency of power supplied
B. Reduction in total installed capacity
C. Increased reliability
D. Economy in operation of plants
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For a diesel generating station the useful life is expected to be around_________Years?
A. 15 to 20 years
B. 20 to 50 years
C. 50 to 75 years
D. 75 to 100 years
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Which of the following is not a method for estimating depreciation charges?
A. Sinking fund method
B. Straight line method
C. Diminishing value method
D. Halsey’s 50—50 formula
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Which of the following source of power is least reliable?
A. Solar energy
B. Geothermal power
C. Wind power
D. Imhd
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Word of the Day
17 Jul
Flagrant
(of an action considered wrong or immoral) conspicuously or obviously offensive.
انتہائی برا، قابل مذمت، فاش

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