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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

wath is skin effect?

9 12065

How many earthing pits required for diesel generator set ? Why ?

1 8542

what is the fuction of electrical transducer in control pannel?

6 8169

which is batter in construction job,ELCB or RCCB?

HCC,

7 18527

whate is aelectrical power fector for exampal

8 12503

We have 800KW motor operating at 6600Volt,50 Hz supply.During 1st startup it tripped on overcurrent trip.It's FLA is 88 Amps.The K factor of Thermal overloaaad was set on .94 initially.then we set at 0.97 and then it started fine.i dont understand why it tripped first?What are the protections which comes in picture during starting ?

6 9783

HOW MANY EARTHINGS REQUIRED FOR GENERATER

Juniper Networks,

10 18966

what happen when dc shunt motor field is sudden open in running condition

APGenco, Bhel, IIT, JMRC, TCS,

34 79856

if the magnetic lines can pass through a vaccuum area

1888

What Is Transformer Impedance ?

Con Edison,

6 16505

How conventional fire alarm system works?

1 2715

WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

ACC,

2117

how to choose the cable rating for load (KW)? EXAMPLE.50KW load

ACC, NCUI, Polycab, PowerSol, Siemens, SW,

14 172853

whats the diff b/w mpcb and mcb?weather it trips on single phasing or not.

Electra Power, Essar,

9 17801

what are the safety measure & controls in engine?

RRB,

2 6961

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Un-Answered Questions { Electrical Engineering }

explain supply side and demand side energy management with advantages & disadvantages

2151

why only exciting current is shown not primary current in transformer???

1869

What is the automatic voltage regulator with servomotor?

2035

iam using DM 3251 voltmeter(1 percent accuracy)for 11KV system PT ratio is 11KV/110V.can anybody explain what is the max and min voltage deviation.

2255

how many joint can done in HT line and what is life of the joint

2232

I'm looking for a softcopy manual set for a Credence ASL- 3000. Anyone know where I can get it?

2065

The Howland current source produces a A Unidirectional floating load current B Bidirectional single-ended load current C Unidirectional single-ended load current D Bidirectional floating load current

2084

What type of wiring series or parallel is used for conventional and addressable type FAS & why?

1799

how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw

2457

What is shunt voltage and u v voltage witch one best

1722

how to calculate cable size in diffrent loads?

2083

What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

2525

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2002

what is the difference between c power and U power acb breaker

6415

what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.

2100

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