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 grables are put in substation?

1 4178

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

7 54822

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

1 5892

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

2 6602

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

1 4609

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

2640

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 6678

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

Power Grid,

3 6979

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

JP Group,

6 26984

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

2073

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

3522

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

KSEB, Power Grid,

9 74992

how does the power is travelled in conductor

2 4734

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

2070

electrical machines

3 17399

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Un-Answered Questions { Electrical Engineering }

when generator short circuit condition, the current how dissipates. or at short circuit voltage not available then current how can flow?

2179

what is the function and use of cable differential protection relay?

2916

what are the assumptions made in swineburne's test?

2173

what about GD square and its important for motor design?

3816

how to interlock 3 incomer-ACB,1 buscoupler ACB,... pls answer this question and if possible send me the ckt diagram..haifriends2910@gmail.com

2906

700KW 6.6KV slip ring induction motor to use VFD to control the speed

3208

what do you mean by plant earthing system.

2065

How to synchronization will be done between two DGs ?

1773

why and where we use early make & late break contacts in protection?

8321

how will calculate the safe starting current of 3-phase squirrel cage induction motor?

1919

What is lc oscillator?

1184

Differentiate between voltage and current feedback in amplifiers?

1115

what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?

2111

solar energy light efficiency & disadvantages?

2117

Please give me a erda placement paper

1797

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