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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Why is a thicker conductor necessary to carry a current in A.C.as compared to D.C. ?

1 4871

Then what do you call a transformer that is installed on the ground?"

1 4252

why does connected a indutor with mnsformeretering core of current transformer ?

2138

how to set the transformer differential relay

Divis Laboratories,

1 6672

in 132 kv substation ligtning arrestor(120 kv) connected to line. but line voltage comes to 132 kv, it operate or not???

Divis Laboratories,

4 16803

voltage of a ckt is measured by volt meter having an input impedence camparable with the out put impedance of the ckt Eror caused is 1. Gross Error 2. Errors due to lloading effect

GATE,

2 4254

when the control mechanism is present for an ammeter(1-10A) and 1A current is apllied what will be the reading of the meter?

GATE,

2 4611

Relay setting for earth fault of reciprocating and centrifugal compressor motor feeder.Setting will be different or same?

Reliance,

1 4046

what is cathodic protaction?

1993

The error in a single phase energy meter where pressure coil lags behind applied voltage by 88 degrees and pf is 1) upf 2).5lag

GATE,

1 4656

why we use 20 KV, 10KA LA on 22 KV Line

2 6966

WHY TRANSFORMER RATING IS MENTIONED IN KVA RATHER THAN KW

5 9979

HOW SKIN EFFECT REDUCE THE CROSS SECTION OF THE CONDUCTOR

2 5670

What is eddy current & eddy current loss ?

2 7509

how to avoid Saturation in C.T?

2120

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Un-Answered Questions { Electrical Engineering }

What is contract demand in solar system?

1703

3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??

1408

What is the formula for calculating impedance of transformers connected parallel at fault level 50KA?

2088

Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.

2589

How to measure the earth resistance value in a concrete pavement(flood light area)?

2221

sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

2175

How calculated single phase induction motor req. Capacitor?

1583

what is physical distance of isolator to VCB in 33/11kv sub stations

2137

Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.

3800

Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

3673

why should the primary of transformer be connected in delta in a heat run test?

1982

How is the percentage impedence of a transformer fixed at design stage???

1979

IF HT CAPACITOR IN ON POSITION IS THERE ANY LOSSES I.S I SQURE OCCURS IN THE SYSTEM

2169

what is the formula for calculating the phase clerance between two phases and phase to earth how to calculate the cable for a motor

2022

What is the purpose of stablization resistor in high impedance bus bar protection

2006

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