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's mean by Transient stability analysis?

1 3436

what's burden resistor, why it's used?

Bhel, TVS Group,

1 25377

what's transient & sub- transient reactance means?

2 48543

what's ripple content in rectifier? how it formed?

1 4202

what's float charger and boost charger? why it's used?

APCPDCL, PTCL, Rolls Royce, Siemens,

2 45796

In track electrification Either we use single conductor or double conductor? why?

2 5462

In electric motors, according to the no. of compartments, The no. of input's (pantagraph collector's) were increased, why?

1 3318

what's the difference between induction generator and synchronous generator?

IBM,

1 4966

what's the exact magnitude of current, flows through Neutral?

1964

While starting a high capacity motor, it takes 6 times the full load current. Why it doesn't trip relay or CB's in that network?

4 7428

How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks

Siemens,

1 5196

HOW TO FIND OUT 1. LINE CURRENT, 2. PHASE CURRENT IN AN ALTERNATOR / TRANSFORMER WHICH IS FEEDING A I)STAR LOAD ii) DELTA LOAD, USING A CLAMP METER. NORMALLY WHEN WE USE CLAMP METER IN A DG SET THEN WHAT DO WE GET?? PHASE CURRENT OR LINE CURRENT.

Bhel,

13 35893

WHAT IS THE THUMBRULE FOR FINDING OUT THE CURRENT CAPICITY OF A COPPER WIRE?? 2.5, 4, 6MM SQUARE ETC...

5 13045

why we step down the voltage from 440 to 220 in machines

4 6811

is there any concept of armature reaction in Induction motor?

4 16873

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Un-Answered Questions { Electrical Engineering }

block diagram of 2 ups system connected in parallel mode?

2080

how to electrically make connection to ferroli GN2N?

1943

What are the essential characteristics of signal flow graphs?

1101

How to measure power in 2 or 4 or n phase circuit? Please give me a formula.

1920

what curve and rateing would you use for a three phase 0.75kw motor?

1991

some time we open engine breaker 8.0 MW load but plant not trip. and another time engine open 4.0 MW load engine trip why? individually engine breaker open & individually emergency stop why difference?

1759

Please provided formula for calculate the cable size from step up transformer to M.V panel, run overhead aluminum cables, total load is 5mega watt, total length 900 feet.

1765

WHAT IS MEANT BY DERATING OF THYRISTOR?

2965

Basic motor transformer generator

1489

limitation of conductor height on ground when we consider EMC

2048

how we decide scurt (disc) of insulator with respect to kv rating

3569

State the other types of Air Conditioners?

2062

hello if any one have papers vof hpcl or sail, plz send me

1921

what is the difference between electrical and electronic choke?

1966

pls tell me function of closing coil of A.C.B.

3382

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