Electrical Engineering Interview Questions
Questions Answers Views Company eMail

no EB power DG is not starting?

6 15955

In an ammeter used for measurement of current, what is the meaning of the representation of range as '0-50-300'?

4 7716

What is the difference between AC voltage and DC voltage?

6 17163

HOW TO SELECT THE COPPER CABLE SIZES OF MOTORS,TRANSFORMERS?

Eastern Produce,

1552

what is the difference b/w neutral and earth?what is the need of earthing and what are the different methods for earthing?

NTPC,

4 6078

what is ohms law?

7 7066

What is difference between 220v/50Hz & 120V/60Hz?

8 35014

Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.

1468

if voltage in transmission line more than current will be more or less,if less what about the Ohm's law

2 4133

what is buchholz relay?what is it used for?

Engineers India Limited, NFCL,

8 27530

3 measuring instrument for transformers?

5 6117

operating Lt & HT voltages used in India?

Essar,

8 11188

what is the different between earth leakage relay and earth fault relay?

ME,

5 13507

What are the voltages at which electrical energy is transmitted

KSEB,

7 8349

WHAT SHOULD BE THE MINIMUM IR VALUE FOR LV (380V) CABLES ACCORDING TO IEC/IEEE.

3 6294


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Un-Answered Questions { Electrical Engineering }

any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

1806


what kind of technical test that i need to learn because i have an interview tomorrow.. please someone help me..

1481


State nyquist stability criterion.

628


what are the pecularity of shaver sockets ?

1444


what will happen if OLR CT in all phases are short circuted

1667






where can the transformer having vector group Yny0 be used??

3576


what is the meaning of 5% droop or 7% droop in AVR?

1886


i need previous entrence exam papers of nhpc.

2349


what will happen if the prime mover on the field excitation of the on-coming generator fails?Explain.

4994


How to megger test 11 kV cable and the acceptance IR value

2435


WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?

1809


what parameters should we check to reduce the power bill

1825


i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com

1471


if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?

1268


What is capacitance?

717