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 6381

What are the factors to be considered during the Synchronization?

3 6276

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

3 6674

Why the CT Secondary is rated as 5A generally?

2 6926

At which time Synchronous generator act as a Synchronous Condenser?

4 9162

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

1 11558

What are the protections to be used for Generator?

5 8641

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

1 3865

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

4 7880

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

Jindal, SRES,

6 29314

why the transformer is not operates on two phase?

APGenco, Atkins, FFBL,

1 3650

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

ABB,

2 22511

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

2 26711

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

5 15667

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.

1929

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Un-Answered Questions { Electrical Engineering }

what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load

3987

what is consequences of neutral and earth connect?

2071

what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA

2758

please send the IS strandard for electrical to sakthi_murugan86@yahoo.co.in

2216

Pl.brief me about Electrical power distribution system from Main generating station to Industry.What is the use of in between station.

2044

Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.

1865

how can we find thae value of capacitor for single phase motor. what is difference between starting capacitor and running capacitor.

2333

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.

2316

How to calculate that clean water supply in one Day from 150 KLD STP?

1956

i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.

1880

what is difference between elr and R eartl realy.

2600

What is the basic principle of welding process?

2100

EXPLIAN THE IMPORTANCE OF POLY PHASE CIRCUIT.

2109

How do we calculate over and under frequency tolerance from generator data?

1566

Why is voltage is required to be within permissible range for an electrical equipment?

1663

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