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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

can we use inductor for passing or blocking of AC or DC?

Moser Baer, NTPC,

3 7481

is harmonic useful or it distort the alternating quantity?

2 4648

what will happen if 11KV is given to 1.5 square mm cable connected with constant load of 10A ?what will be the condition of cable after injecting the voltage?

1 4346

why we use negative feedback in control system.

2 6551

which is best ac or dc

3 6597

hello, I need to know exactly what happen in the motor while it is connected to the (star/delta) starter, mechanical and electrical. Thaks for answering

3 5961

Is there any Institution (Not AMIE)for giving B-Tech/M-tech in Electrical engineering for those who r in service? Give the details please.

2 5063

What is the difference between online and offline UPS

1 5441

what is the ranje of HT cabel and LT Cabel.

Sail,

1 3465

What is the purpose of using busbar mounting fuse?

2101

In layman terms, what is the difference of Dielectric strength and dielectric constant when speaking of an insulating oil

2781

What are high pass filter and low pass filter? and What are the flowmeter ?

2042

what are the types of cooling systems used in motors?

2 10065

WHAT IS THE DG OIL SPECIFICATIONS AND WHAT IS THE DIFFERENCE BETWEEN THE DG OIL AND TRANSFORMER OIL

4 20257

what are all types of cross section in AC cables?

2380

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Un-Answered Questions { Electrical Engineering }

How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

2148

WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

2356

what is 30-phase of transformer

2371

what are the accessories need to be added while doing estimation for the following: 1.MCCB 2.MCB 3.ACB

2146

What is difference between Over Current & Earth Fault protection?

2505

what is cogging and crawling

2610

how does high earth to neutral voltage affect electronic equipment?

1611

Can I use star delta connected induction motor for dual supply voltage?

2009

Why is better to have a minimum ceiling voltage of 250% than 160%?

1903

Why does curving the pole faces in a dc machine contributes to a smoother dc output voltage from it?

1322

I'm looking for a mnaual set for a Teradyne J750. Softcopy would be preferred but I'll take what I can get.

2264

what is the difference between gas group b and gas group c electrical equipment construction wise?

1919

Apparent power is expressed as V * I(Conjugate). Why not in V * I ?

3975

why and where we use early make & late break contacts in protection?

8395

what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please

3893

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