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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........

Enercon,

1 5215

why hv winding is not placed near to transformer core

4 25493

How can calculate the daily electrical consumption of 7.5 HP motor, if the moter runs 24 hrs continiously. Also have to know about 3.5 hp chiller.

Wipro,

2210

my N-P 230 VAC at 3 wires but i haven't any voltages at phase to phase whither my supply is 3 phase, why i haven't received these line to line voltages ?

2 4286

what is the first step of dg shycroning ?

ABB,

2 5115

what is power factor?

MAHINDRA,

9 11979

how we can check that any motor is faulty may be single phase or three phase?

MAHINDRA,

2 9096

we touch other end of the tester supply, why do not get shock?

L&T,

7 15595

what is tha gap between the pole of 132kv line

2 5740

What sort of protection scheme do you suggest for the protection of a 10 HP motor?

Chevron,

1 8150

Why the capacitor bank is keeping on for electricity supply and keeping it off for generator supply

3 6284

what is the primary current in 415/415 v when secondry of dry type transformer is shorted.?

3 6510

What are the conditions to be satisfied before connecting two DC generators in parallel?

Bhel, Godrej,

9 17594

how to calculate the conductor size for certain KV transmission line and distribution line?

Hyundai,

2529

What is the difference between earthed & unearthed system?

HCL,

2 6340

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Un-Answered Questions { Electrical Engineering }

what things to be considered when designing UPS

1794

How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?

1997

Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp

3149

how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???

2035

from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

2010

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

2240

what is smart grid? why we use it? explain in detals bcoz i want give presentatin from it....

1959

Proviiding the Dedicated N earth and individual Body Earths ,Finally these all looped /Now my Question :- will it not harm in case of Transformer Fault current flows in Dediacted N Earthing to Looped Body Earthing.

2222

All tape of electrical questions Answers tape of motor transformer e.o.t crane

2667

HOW can i REuse the fused MLL LAMPS & GLS LAMPS at our factory

1914

Define characteristics impedance?

1146

Why in 6 KV XLPE cable termination kit used and why not in 380 V xlpe cable same is not used

2650

I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.

2017

How do you determine the size of transformer radiators in a transformer?

1939

Define availability (operational)?

1173

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