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_is_mean_by_negative_dc_voltage? why we use -48v except +48v in DC power supply systems.

APEL, BSES,

2 7019

how ship earthed?

Marico,

5 18387

why three phase three wire system probably did'nt have neutral

Marico,

2 7755

what is the difference between synchronous generator & asynchronous generator

Reliance,

4 22402

what do you mean by leading power factor & lagging power factor

Suzlon,

13 69168

In power transformer YnD0 Vector Group is possible or not? if possible, what will be the vector diagram and what are the conditions?

2 9387

What is class 2 coordination ?

2 3757

what is difference between mccb,mcb,elcb,pccb

7 22343

how generator generates electricity?

Suzlon,

1 4564

what is the significance of tan delta testing?explain the theory?

7 37454

how to test generator protection rotor earth fault relay and locked rotor test?

1 14509

hoe to test voltage restrained overcurrent relay?

2 5648

What is the Difference Between MCCB & ACB & VCB

3 9631

Pls say , how we calculate lux / sq.ft, which formula used for calculation

5 18499

how calculate busbar size for rated amps, which formula use

Rites,

2 11654

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Un-Answered Questions { Electrical Engineering }

Any one can explaination about calibration with rotating sub standards?

2038

i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.

2041

why asa method ZPF method is more accurate than ASA method?

5765

how net resistance islow in star connection and viseversa in delta connection...? if anybody could explain in detail it wud be helpful.

1571

do any one help me to get "C" license,, i have doubts ,,, if mediators ter pls call me,, my no is 8056640042

1383

What is difference between safe PLC and normal PLC

1551

how to calculate the battery AH

2722

what is the isolation transformer. what is the isolator?

2033

Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.

2098

Differentiate between kirchhoff’s first law and kirchhoff’s second law?

1007

What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)

1527

Why sometime AVR and sometime Booster coil is used in Alternator? what is the diferance between AVR & Booster coil due to which they are selected

3075

If VFD is On but no starting commond on it. so how many outpout voltages of VFD

1119

if voltage bt phase & nutral is 38v in a panel board . whats the root cause.

2280

What is the suitable transmission voltage?

1030

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