Top Electrical Questions and Answers for Exam Preparation

Explore top Electrical questions and answers to boost your exam preparation and enhance your understanding of key concepts.

Electrical Questions

Q. If the field excitation of a salient pole synchronous generator is removed , what will happen to the machine ?

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Q. The core loss of a transformer under OC test was measured as 40W using an LPF wattmeter .If the same power is measured using UPF wattmeter , what will it read :

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Q. Form factor is equal to

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Q. Value of power factor lies in between:

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Q. The major factor in the insulation strength of an EHV transmission line is:

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Q. As compared to a closed loop system an open loop system is:

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Q. The Q-meter works on the principle of:

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Q. For an EHV equipment for maintenance first it should be isolated and connected to ground because :

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Q. A 100W bulb, a 40W fluorescent lamb and a 60W fan in a room operates for an average duration of 5 hours in a day. What will be the total energy consumed during the month of April 2016?

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Q. ACSR (aluminium conductor steel reinforced) are used as :

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