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Essar Interview Questions
Questions Answers Views Company eMail

what is the formula for converting KW into KWH ?

3 6450

what are the jobs in group-1,2,3,4 and where do we get coaching centre for it in hyderabad

7 29075

two transformer connected in parallel.tap change are different.if i want to on the buscoupler what happen?

1 3150

in 3-phase transformer which type of transformet is used in output side?

6 7959

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

4 8651

what is the working principle of vortex flowmeter

9 19824

The 4/5th part of volume of a piece of wood is swiming as well as sunk in a fluid. if the relative dencity of wood is 0.8 then what will be the dencity of fluid in KG/M3. PLEASE ANSWER WITH SOLUTION.

2 3796

A Wheel accelerates from rest with an acceleration of 6 rad/sec seq. How many revolutions are experienced in 4 sec.? give answer with solution.

4 10740

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 21474

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

5 41410

Distinguish between Earth & Neutral?

5 7602

what is the advantages and dis advantages of critical speed of turbine.

1634

what is the basic working principle of I/P and Positioner in any control valve.

12 77265

What is Auto Dosing?

1 7782

what exactly 3by2 directional control valve means and how direction control valves work can any one explain me the diagrm please i need it must and should

1 3501

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