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 the equipment used to control the generator output?

4 6520

What are the factors to be considered during the Synchronization?

3 6402

What should be value of Circuit breaker operating time and tripping time?

3 6799

Why the CT Secondary is rated as 5A generally?

2 7007

At which time Synchronous generator act as a Synchronous Condenser?

4 9350

What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing?

1 11658

What are the protections to be used for Generator?

5 8803

. Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

1 3934

What happens when the polarity changes in CT? Explain briefly?

4 8028

Explain the Term in CT Name Plate – Class: 5P10

Jindal, SRES,

6 29506

why the transformer is not operates on two phase?

APGenco, Atkins, FFBL,

1 3729

What is the difference between Class PX & Class X CT's

ABB,

2 22640

What is the purpose of lighting Transformer used in Industries for Lighting illumination? Its necessary or not?

2 26835

Why Motors are generally supplied with 3 core cables??? why not 4C??

5 15832

What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.

1976

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Un-Answered Questions { Electrical Engineering }

what is method for testing CT

2146

What is the ratio of true power to apparent power in an ac circuit?

1140

What is d main advantage of using double circuit 3 phase transmission ?

1936

In India the supply voltage is 230 volt A.C. During the negative half cycle phase becomes neutral and neutral become phase? or what will happen during negative half cycle? how the electrons flow during positive and negative half cycle?

2016

Is there possible to Test Transformer for Overfluxing Capability. Or is there any firm who does Overfluxing Test on Transformer?

3101

what is interfacing in computer studies?

1780

what's producer of XLPE cable laying in undergroung

2128

what will happen if there is a voltage leakage or current leakage in an electrical train

2021

Explain about Dubai electrical sysaem? Explain about Dubai drinking water system? Explain about Dubai Burj tallest building Electrical,Water.etc.. maintenance system?

2175

For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?

1907

What id difference between power and energy?

1350

Why is the starting current high in dc motor?

1127

What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

1648

- two pumps must work with them at the same time but if the first pump start the second pump must delayed for some time to start also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

2744

WHAT ARE THE CHARACTERISTICS OF AN VOLTAG AMPLIFIER

2030

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