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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why open circuit test is conducted on hv side and short circuit test is conducted on lv side of a transformer ?what is the reason for it ?

HCL, NTPC,

3 48686

why core is useful for a transformer ?and also in its operation ?

2057

why core is useful for the transformer and in its operation

1 3531

1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

2031

why trip circuit supervision is taking through breaker contact? what happen if takendirectly?

GE,

2 4207

why voltage coil in wattmeter called as pressure coil why the pressure term is used in wattmeter?

NPCIL,

1 8467

Why we called L-G fault as line to ground fault why ground? suppose if a line falls on building roof then can we called these fault as line to roof fault? please explain why ground term is used here?

Bhel,

3 6000

If short circuit ratio is high is it bad or good for a machine then tell the reason...

Bhel,

1994

Is phenomenon of resonance is harmfull fr the machine? if not or if yes please explain it?

Bhel,

1891

If symmetrical fault occurs at the terminal of a synchronous motor then how the motor will act...explain it..

Bhel,

2096

Why we use modulus with voltage in stability equation that is P=[E][V]SIN@/X WHY VOLTAGE IS IN MODE VALUE WHAT IS THE REASON?

Bhel,

1 3246

EXPLAIN METOD OF IMAGE OF TRANSMISSION LINE/ WHAT ARE ITS PRACTICAL APPLICATION?

Coal India,

1845

WHAT IS DEGREE OF COMPOUNDING IN D.C MACHINE MEANS? HOW TO READ THE OPERATING CHART FOR ANY ELECTRICAL MACHINES?

Coal India, Ghana Grid Company,

4817

what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?

Bhel,

1917

Where we can use 3.5c cables instead of 4c cables.Why?

4 13833


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is the BS(British Standard)code for 11kv motor

4921


A parallel flow heat exchanger will perform better than a counter flow heat exchanger. State if the statement is true or false.

1209


What is non-minimum phase transfer function?

1242


in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know

1776


Which type of questions well asked. ?

1652


I have iti elec, 1st aid, and 5 yrs experience in 7.5 mw power plant. Am i eligeble for 11kv license in telangana state..when, how to apply for that.?

2269


all the technical question with answers pleas send your email id ramar_eee@yahoo.com

1987


what is meaning of 230volts ac 50hzs ac supply is it rms or maximum to getting ac 230v what amount of max voltage they will send

2019


If i have two 3000 kW motors and the whole facility requires a 10 MVA transformer. What would be better installing two 5 MVA transformers(one for 1 motor ) or just a single 10 MVA transformer for both of them. Give reasons for your answer.

5967


WHAT IS MEANT BY SHEATH VOLTAGE IN 132Kv cable?

2242


what is formula to cal cute earth pit numbers and size of earth strip used in earthing?

2184


pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..

2009


What was your role in the silicon evaluation/product ramp? What tools did you use?

1919


What is hipot test procedure?

1420


Please brief working principle & construction of permanent magnet AC Servo motor

2184