Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

no EB power DG is not starting?

6 17656

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

4 9013

What is the difference between AC voltage and DC voltage?

6 19164

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

Eastern Produce,

2073

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 7450

what is ohms law?

7 8963

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

8 37446

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

1932

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

2 5040

what is buchholz relay?what is it used for?

Engineers India Limited, NFCL,

8 30085

3 measuring instrument for transformers?

5 7587

operating Lt & HT voltages used in India?

Essar,

8 14090

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

ME,

5 15131

What are the voltages at which electrical energy is transmitted

KSEB,

7 10735

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

3 7367

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Un-Answered Questions { Electrical Engineering }

How we select the vector group of 3phase power transformer?

2656

WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?

1957

When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number

2114

what are the pecularity of shaver sockets ?

1869

1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

1951

What is phase cross over frequency?

1076

how single phase preventer works ?

2501

Hello sir, pls send me hpcl technical test papers .i am. Appearing for the exam.

2685

Give some differences between open loop and closed loop control systems.

1131

How much depth n width required for laying of 1X70 Sqmm Cable in Desert???

1586

what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

2044

how open delta PT works & what is its construction?

2202

im electrical engineer, could any one help me for FEWA exam questions please ?

1075

How convergengr of nr method is not dependent on selection of slack bus and how gauss siedel method depends?

1752

how to get electrical supervisour certificate in gujarat

1917

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