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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why grables are put in substation?

1 4122

Explain the advantages of the wheatstone bridge method of measuring resistance?

7 54611

In what way does the variable ratio-arm improve the usefulness of the wheatstone bridge?

1 5819

Explain why inductance of the iron cored coil changes with current?

2 6523

Derive the inductance of a coil in terms of its physical factors.

1 4540

Let me know that how i calculate the alternator sub tranciant reactance and tranciant reactance.

2596

assume we are put both df/dt and vector surge relay in same bus the df/dt relay setting is +5 hz an -5HZ. we want operat the vector surge relay before the df/dt how i calculate the setting of the vector surge relay.

1 6620

1.what is the contact resistace of CB ? 2.radioactivity should be mesured with---------?

Power Grid,

3 6865

Why is making current of CB always greater than CB breaking burrent?.

JP Group,

6 26829

what r PID controllers?why they r used?what is there purpose?plz Explain in detail

2039

what is mean by PIR in circuitbreaker and give me detail of that?

3474

what is STUB protection in tranmission system and switch yard area?

KSEB, Power Grid,

9 74711

how does the power is travelled in conductor

2 4640

Is there any specialised book to refer about fault level calculation both in MV and LV side??

2037

electrical machines

3 17323


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Whether power factor should be high or low? Why?

1078


What are the material used for resistor?

1075


mccb service sittings be done?

1762


a battery is having capacity 100AH and 25% charging .if a load taking 10A & connected 6 hour .what is the final condition of the battery.

1589


what are the disadvantages in GIS over AIS

2376


What consists of 2 or more thermocouples to be connented series?

2271


How will calculate losses in an multi core Aluminium LT cable of different sizes & upto what length we can use a LT Cable ?

2097


what is difference between speed mode and torque mode in motor?? explain in simple words please.

1561


What is the unit of charge and current?

1116


After taking shutdown of 11kv feeder, if you see 5kv by phasing stick in the cable side, is it possible to close earth switch in cable.

2322


What is the difference between in Fourier series and Fourier Transform. and please tell me the difference between both of them and the why we use them in communication system?

1970


write down the formula of cable size in RM if current is 50Amp.

1302


3phase motor can be used as a Prime mover for alternator.

1562


sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.

1878


Dear Sir/Madam, I have one questions we have three steam turbines and one Gas turbine and our industry linked with the public network, we have protection system one of the protection is reverse power we can export just four MW only i would like to ask about how to calculate the reverse power. Thank you in advance best regards

2052