Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is the difference between earth, neutral and ground?

Farnek, Shyam Indus Power, Spiro Solutions,

1 3322

During the main stator winding insulation testing (phase to ground)of 11kv alternator (Lerysomer) i found 0 and resistance with multimeter and found 20 killo ohm while the power cables are connected both end (Generator & VCB). In VCB PT (Potential transformer) are connected. Please any body explain that method of insulation is correct or not? also describe of PT connections

Private,

1 2916

3.7 kw motor ,how much sq mm cabel want to bare this motor load

1 2983

What is PLL? what are it's advantages?

BREB,

1 2676

what will be the breaking capacity of MCCB of 1000kVA (6% Impedence) transformer? Voltage being 415V, Power Factor 0.8.

BPC,

2 3014

Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere

Kazi Farms, SKI Carbon Black,

1609

what are balanced and unbalanced loads

GGH,

1 2723

1. What are the types of Transformer?

Valdel,

1 2485

On what basis do you decide the ONAN (Oil Natural air natural) or Dry type transformer for a project?

Semac,

1604

Which are the types of breakers used in High Tension (HT) side?

1 3069

How to calculate the no of Ceiling fan (1200mm sweep) per unit area?

2079

No load tap changing transformer working

1650

can the measured percentage error during calibration of single phase energy meter be negative?

2408

I want to merge a cable..in between two metering Cubicals which contains CT's and PT's and Energy meter..before taking merger..what are the common things required?

1658

how a generating station can monitor its multi users power factor. What type of incentive /penalty is associated with power factor management.

Sojex,

1 2260

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is the string efficiency

5247

How to calculate energy stored in an inductance?

1146

At full load wat is the motor p.f And at no load will is the motor p.f?

2124

how to check avr of dg set of 125kva

2598

what is the effect of un-synchronized power.

2059

1))why we run three phase or three different circuit from a single conduit 2)) why not two circuit of different phase run in same conduit?? and why we run same three cicuit of same phae run in single conduit??

2557

What is the height of DA, DAL, DB, DC & DDE tower?

2342

What mean by MLTP

3950

Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???

2084

Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?

4399

What is deference between MCB & MCCB & ISOLATOR

2119

how can i change the rotation of the AC single phase induction motor and show me by diagram

1803

- two pumps must work with them at the same time but if the first pump start the second pump must delayed for some time to start also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

2744

How to reduce -234126219.6403 MVAr generation and by what?

1631

how to find the Motor,s insulation Power?

1763

For More Un-Answered { Electrical Engineering } Questions Click Here