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Essar Interview Questions
Questions Answers Views Company eMail

i want all question & answers of the written exam

1 1599

Whats the diference between Induction motor and servo motor

3 7512

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 7116

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

19 18369

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

12 13169

what are the various questions asked on excel in an interview

2 11878

check list of maintenance of transformer?

11 100789

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 9231

where does preliminary expenses put in the balance sheet?

8 20159

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

15 70329

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

12 12978

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

5 37684

Distinguish between Earth & Neutral?

5 5863

why water's critical point is 4*c ?

4 4304

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