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?

1101

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.

1053

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

1213

how the aircraft outer body and inner body is separated ?

1004

how the inner and outer body is separated in aircrafts?

1042

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

1 10415

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

1003

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?

3677

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

1072

What is the difference between DOL starter and star delta starter

1084

electrical knowelge

1121

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

1104

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

1 2098

What is various types of electrical formula?

1 1972

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

1243

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Un-Answered Questions { Electrical Engineering }

What does the kvar means?

1152

testing of Vector Group – YNaoD II

2875

Y phase plates are used in transmission line??? what is there need???

2877

design of IGBT firing circuit for 11KV

2590

Working of microwave oven?

2207

Why syn. Generators are used for the production of electricity?

1103

how to calculate cable size in diffrent loads?

2028

I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.

1823

advantages & disadvantages of Lagging and leading power factor .

9580

how 650 volts creates? where is use?

2152

how does grading rings & spacers in transmission line works? Working Principle?

2045

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)

4309

1.ZEBRA conductor(large size) 2.KUNDHA conductor( small size ) 3.panther conductor(very small ) 4.lepard conductor (very very small)

2876

Which material is used for the core of a transformer and why?

1062

How much load can be taken for chiller from 1500 kva transformer

1227

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