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 4878

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

1 4253

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

2139

how to set the transformer differential relay

Divis Laboratories,

1 6677

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 16809

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 4262

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 4615

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

Reliance,

1 4053

what is cathodic protaction?

1996

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 4661

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

2 6973

WHY TRANSFORMER RATING IS MENTIONED IN KVA RATHER THAN KW

5 9989

HOW SKIN EFFECT REDUCE THE CROSS SECTION OF THE CONDUCTOR

2 5675

What is eddy current & eddy current loss ?

2 7510

how to avoid Saturation in C.T?

2124

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Un-Answered Questions { Electrical Engineering }

How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

1667

In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.

2316

why we r not earthed Control cable of C.T. terminals

2036

how to know the diffrential relay setting of 06mva step- down (delta-star)transformer?

2038

As you achieve greater success with the company after some years, Will you like to be a share holder in our company?

2816

what are types of encoder

1878

1. A bomber drops a bomb from an aircraft flying at 2000 km/hr. at an altitude of 7km. The speed at which the bomb will strike the earth would be

1912

what is the relation between knowing of the distance between power transformer and the capacitor feeder in case of parallel operation

2002

we are small scale industry in production of rice & rice bran. Pls let me know how to take contract demand for our industry.. (for information we have total 600.hp)

4408

In diesel generator how AVR get voltage to excitation. And basic diagram DG EXCITATION CIRCUIT.

3332

Hi Friend I am used multimeter to measure the voltage between R Phase(SS1) to R Phase(SS2). In SS1 is connected with UPS loads. But I am getting voltage between these 2 R Phases. Please give some idea friend

2099

Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?

4281

what are safety measures in /control in diesal engine/ explain them?

1790

What is stepper motor. What is its uses?

1272

how to identify vector group of three phase transformer by voltage method?

1627

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