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Essar Interview Questions
Questions Answers Views Company eMail

i want all question & answers of the written exam

1 2926

Whats the diference between Induction motor and servo motor

3 8964

why for transformer protection we protect tranformer from 3rd hormonics and 5th hormonics and what is the reason of generating these horminics in electrical system?

2 8485

In step down transformer (415/200V),mistakenly secondary side is connected to 415V for some hours, what would be result of this condition?

19 24131

can u please tell me how VFD(variable frequency) drive is used as a energy saver....?

12 17225

what are the various questions asked on excel in an interview

2 13189

check list of maintenance of transformer?

11 109055

Can anybody tell me how to select the size of earthing cable for DCS & PLC system.Please tell me any relevant answer here or mail it to me.


why we are not earthing ht cable at both the ends(sending & receiving end)?

5 11968

where does preliminary expenses put in the balance sheet?

8 22598

What is the Polarisation index value ? (pi value)and simple definition of polarisation index ?

15 75795

a 3 phase slip ring induction motor is wound for 4 poles on stator and 6 poles on rotor; when 3 phase balanced voltage source at 50 hz is applied to motor it will run at a)1500rpm b)1000rpm c)750 rpm d)zero rpm

13 21394

What is cutt off ratio in IC Engines.give proper defination.

5 41368

Distinguish between Earth & Neutral?

5 7575

why water's critical point is 4*c ?

4 5737

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