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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Why Transistors are not used as switching devices?

15 30613

what is the difference between electrical & electronics

Axon Constructions, Banking, GDA Technologies, Infosys, MBA, Satyam, Satyam Tech, Snow White, TCS,

245 351701

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

Afcons, Honeywell, Manlift, SIMS,

2612

my field of interest is T&D. plz tell something about that.

TCS,

15 25311

2 Diesel Generators 900KVA connected to the bus bar for essential load as an alternative for power taken from 11/440V 3KVA Transformer supplying this bus bar. my question here is in the event of power failure on 11KV side can I feed the power to 11 KV bus by using the same transformer as reverse feed, what will be the inrush current???

Ashok Leyland,

3 13224

what is the difference b/w winding insulation class and winding temperature class?

Bhel, NDPL, NTPC,

6 18873

why, when birds sit on transmission lines or current wires doesn't get shock?

College School Exams Tests, Infosys,

36 57772

railway exam in asst loco pilot old test paper

Indian Railways, Loco Pilot, RRB, Southern Railways, TATA, Vimal,

25 44852

why earth hole size is biggest in plug point?

RRB,

13 29733

why earth hole size is biggest in plug point?

Al Qabas, HCL, RRB,

22 44463

what are the types of transformers

59 92599

hi friend i am going too attend for hpcl in this month please help me by sending written test question papers i am in the stream of E.E.E

HPCL,

1947

What quedtion to ask a electrical maintenance technician?

Bhel, Royal Furnishers,

5 21141

capacitor is load free component but why ampare meter shows the current when the capacitor bank breaker close?

OPS,

4 8990

capacitor is load free component but why ampare meter shows current when capacitor bank breaker close?

Bhel, OPS,

5 15217

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Un-Answered Questions { Electrical Engineering }

What are the types of feedback oscillators?

1237

What is the difference between the impedance percent and impedance voltage ?

2171

what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?

2876

how we provide neutral earth on synchronising panel as per electrical standards?

2055

The power factor of the fixed load is 0.8, now the p.f is varying from 0.8 to 0.5.

1942

How can we checked Killo Watts of Motor & Alternator?

2109

I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400

1781

If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.

2223

Define the term factor of inertia.

2029

How can ou verify the size of conductor 50Sq.mm ACSR

1894

How many capacitors using in LT panel as per Govt rules?

1926

How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

1956

what happens when series resonance occurs?

1805

What is Load sharing of Transformer ?

1999

How can we convert 11 kv to 440 volt without using transformer ?

1394

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