Answer / vipul

Grabels are used for during leakage the oil may be dump to
dranage and it prevents from fire.
to prevent from vegitation (grass).
To avoid step / touch potential.

can anyone plz tell me in 3 phase induction motor, whare we use STAR CONNECTED MOTOR and whare we use DELTA CONNECTED MOTOR

3 Answers  

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Can the efficiency of transformer be measured with the help of wattmeter readings taken at primary and secondary side? Support the answer.

2 Answers  

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What is meant by stator? What is meant by rotor?

0 Answers  

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what happen when ac motor is connected with dc current

4 Answers  

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Why ground terminal is used in pot meter 10k ohms

0 Answers   Mahle,

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what is cogging and crawling

2 Answers  

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Waht are the protection should be use in HT/ LT side of the same Xformer?

1 Answers  

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Why can not you store AC power in battery like DC power?

1 Answers   NTPC,

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Why in medium voltage system(3.3kv to 33kv, neutral is earthed with either resistance, reactance or neutral grounding resistance?

4 Answers   Essar,

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What kind of preventive maintenance are there for AC generator?

1 Answers   Gulf,

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What is the scale analysis for condensor of HVAC system

3 Answers  

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CAN U PLEASE TELL ME SOME G.D TOPICS FOR APGENCO INTERVIEW&G.D

0 Answers  

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