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 stone used in Transformer yard.

Birla, Eskom,

9 34899

what i the full form of ABS 111 in transformer.

Birla, Ford,

1 4642

why not use capacitor in Dg sets.

Birla,

10 14477

whta is difference between contactor and breaker.

6 9725

what is difference between single phase and three phase.

Birla,

2 6311

what is difference between DC and Ac

Birla,

5 7575

induction motor. we have a three phase supply from diffrent source like R= transformer. Y = DG sets. B = ups. if motor is runing.

Birla,

4 7496

how capacitor active and reactive.

Birla,

1 4606

what is phase and neutral.

Birla,

2 5702

what is IDMT relay.

Birla,

4 14299

what is the full form of FRL (3/20,7/20 EARTH WIRE)..????

Aster, Divis Laboratories, FRL, Gasco,

3 14944

Where is the center of magnetic field in alternator

GMR, Siemens,

1 5900

what is the method to calculate the voltage drop for number of meters Example 250volts I/p at one end if the cable length is 50 meters what could be the drop?, after 100 meters how much? needs formulae.

1 4183

why corona loss is less with negative polarity?

3 16679

hi pot test principal

NTPC,

1 4873

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Un-Answered Questions { Electrical Engineering }

In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above

2054

What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?

1637

I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.

2031

If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?

1416

Air circuit breaker safety

1421

A logic circuit that provides a HIGH output if one input or the other input, but not both, is HIGH, is a(n)?

1236

TRANSFORMERS WITH DC SUPPLY

2079

What is the maximum and minimum rating of UPS?

1525

What is mean 2XWY

2494

what is transient stability analysis means?

2147

What is lighting kitts.

2111

CAN U PLEASE TELL ME SOME G.D TOPICS FOR APGENCO INTERVIEW&G.D

2408

What is ideal IR values for ground and neutral.

1758

what is the use of the puls transformer in UPS & how it works???????????

2223

what is thresold of perception

2076

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