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Essar Interview Questions
Questions Answers Views Company eMail

i want all question & answers of the written exam

1 1669

Whats the diference between Induction motor and servo motor

3 7593

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 7223

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

19 18778

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

12 13385

what are the various questions asked on excel in an interview

2 11958

check list of maintenance of transformer?

11 101398

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 9419

where does preliminary expenses put in the balance sheet?

8 20333

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

15 70735

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 13307

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

5 37966

Distinguish between Earth & Neutral?

5 5985

why water's critical point is 4*c ?

4 4408

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How do I multiply two columns in excel?


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Distinguish between new and malloc and delete and free().


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Why don't you join your father's business?


Name the organization that regulates RRBs in India?


What is fault masking explain with example?


how we can calculate natural vibration frequency for steam turbine rotor please.


what is csdl?


Define acid rule of thumb for transactions in c#.


In a tractor, how the hydrostatic propulsion systems work?


What are the options of drill through ?