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 will be the minimum megger value for 132 Kv (earthed) potential transformer

3 8818

Why there is not any reactive power in DC although it causes magnetic field.

7 22168

we erected (48HP)63kva dist transformer and incoming from 11kv line,out going is 415v domastic line 2.04 km.for that actual output current is 84A. what are the losses and final output current.

Essar,

3 5342

how we find transformer capacity by ohm

2134

In Fluorescent tube there is a writing like 6500k . what this 6500k represents?

4 6627

For a CT the number of turns in the primary winding is.........

5 8573

Is it necessary to carry out sheath test after cable jointing? If the value is zero of such instance , is it ok to energize the cable?

1 4091

what are the differenc between vcb and sf6 breakers

Google,

7 28471

what is the preventive @ predective maintenance

2 4902

where we take earth in hill station

1 3776

how can electricity is produced without water

Bescom,

6 10579

What is the size of electrical cable to be used for a space heater single phase 240V ?

3 5450

How to calculate the total number cells required for a particular KVA UPS system?

1 3886

what are adantages of OC and SC test over the load test?

5 11865

How the field flux is controlled in DC drive ?

TATA,

4 6618

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Un-Answered Questions { Electrical Engineering }

Why corona leads to production of Ozone and glow of the color VOILET?

1914

Define resonant frequency?

1142

Incoming line 11kv And transformer capacity is 2500kva. Consumption load is 1300A. Then fuse capacity is 11kv line.

1628

What is big transformer parts and their function ? Ty

2138

What is clock position of Transformer?what are the clock positions are there?and what is different of them?

3090

what is the difference between pvc & fiber glass cables

1505

Define filter?

1059

If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??

1954

1.What is captive power plant? 2.What is national grid?Give brief idea.

2105

AL=0B9H,bl=75H, ADD AL,BL AL=____________? CF________? OF___________?

2610

show the single line diagram of star delta starter with single phase preventer

4577

WHY RATING OF VCB NOT LESS THAN 630A

2564

What is the function of NGR for the parallel operation of alternator? whats happen when different rating of alternator are running with parallel?

2927

Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?

1954

What is accuracy of a measurement?

1087

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