Economics of power generation

3. ________ will be least affected due to charge in supply voltage frequency.

Electric clock
Mixer grinder
Ceiling fan
Room heater

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href="https://exam.pscnotes.com/mcq/________-will-be-least-affected-due-to-charge-in-supply-voltage-frequency/#more-59338">Detailed Solution________ will be least affected due to charge in supply voltage frequency.

4. Large capacity generators are invariably

water cooled
natural air cooled
forced air cooled
hydrogen cooled

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href="https://exam.pscnotes.com/mcq/large-capacity-generators-are-invariably/#more-59124">Detailed SolutionLarge capacity generators are invariably

5. 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

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button" href="https://exam.pscnotes.com/mcq/generators-for-peak-load-plants-are-usually-designed-for-maximum-efficiency-at/#more-59113">Detailed SolutionGenerators for peak load plants are usually designed for maximum efficiency at

6. In an interconnected system, the diversity factor of the whole system

remains unchanged
decreases
increases
none of the above

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an interconnected system, the diversity factor of the whole system

7. _______ will offer the least load.

Vacuum cleaner
Television
Hair dryer
Electric shaver

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class="screen-reader-text">_______ will offer the least load.

8. Which of the following is an advantage of static capacitor for power factor improvement ?

Little maintenance cost
Ease in installation
Low losses
All of the above

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advantage of static capacitor for power factor improvement ?" class="read-more button" href="https://exam.pscnotes.com/mcq/which-of-the-following-is-an-advantage-of-static-capacitor-for-power-factor-improvement/#more-58539">Detailed SolutionWhich of the following is an advantage of static capacitor for power factor improvement ?

9. Demand factor is defined as

$$ rac{{{ ext{Average load}}}}{{{ ext{Maximum load}}}}$$
$$ rac{{{ ext{Maximum demand}}}}{{{ ext{Connected load}}}}$$
$$ rac{{{ ext{Connected load}}}}{{{ ext{Maximum demand}}}}$$
$${ ext{Average load}} imes { ext{Maximum load}}$$

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as" class="read-more button" href="https://exam.pscnotes.com/mcq/demand-factor-is-defined-as/#more-58224">Detailed SolutionDemand factor is defined as

10. For the same cylinder dimensions and speed, which of the following engine will produce least power?

Supercharged engine
Diesel engine
Petrol engine
All of the above engines will equal power

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cylinder dimensions and speed, which of the following engine will produce least power?" class="read-more button" href="https://exam.pscnotes.com/mcq/for-the-same-cylinder-dimensions-and-speed-which-of-the-following-engine-will-produce-least-power/#more-58128">Detailed SolutionFor the same cylinder dimensions and speed, which of the following engine will produce least power?

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