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 hot and cold loop testing?

1198

L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.

1146

What is the effect of electric motor stuck in star configuration,

1318

how the aircraft outer body and inner body is separated ?

1113

how the inner and outer body is separated in aircrafts?

1150

Why we use d.c. meger in a.c. induction motor?

1 10583

What happens to a motor if it is connected in Delta connection

1105

75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?

3783

what is the range of maximum DOL and SDS can be use for pump and fan application

1161

What is the difference between DOL starter and star delta starter

1166

electrical knowelge

1231

What is resistance reading of earth copper rod with grid and without grid?

1208

A 230 v dc series motor is connected to 230 V ac supply, then

1 2277

What is various types of electrical formula?

1 2130

How many gap between finger contact in a.c.b. and v.cb.?

1327

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Un-Answered Questions { Electrical Engineering }

how can i use REF and diffrencial relay both in 1 CT core for transformer protection?

1914

If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.

1488

what is value of Jin transformer

2140

is it true there's a big difference in using Cummins or Denyo...especially power output or leakage

1978

What is lifting power for 1 wb/m2 and 1 A magnet?

2297

How energy is generated in hydroelectric power plant?

1353

Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?

1719

can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

3327

In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases

2080

HOW DO I CALCULATE THE SETTINGS FOR THE DIFFERENTIAL PROTECTION OF A 12kV/6.6kV, 6MVA,DYN11 XMER WITH PRIMARY SIDE CTR 400/1 AND SEC SIDE CTR 600/1?

2676

what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?

2170

What is the approximate value of stacking factor?

1200

What is order of the system?

1178

which is the best institute for PLC,SCADA,DCS in hyderabad

2418

How isolater function when installed inelectrical 440V wiring

2285

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