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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

WHICH SUPPLY IS BETTER FOR 4 MW LOAD. 1)TO TAKE NEARER AVAILABLE 11 KV SUPPLY OR 2)TO TAKE 33 KV SUPPLY WHICH IS AVAILABLE AT 10 KM DISTANCE BY INVESTING NEARLY 50-60 LACKHS

1 2713

why we use 110vac in overhead crains? why not 220v, 24v

SOFT,

3 6663

what is the profesional board for electrical engineer what is thepast and during construction for electrical engineering

2069

how pt is using

1950

in three 3.5 core aluminium ug cable. one cable is used for one phase by shrting R,Y and B wires and other 2 cables used for Y and b phases. balace 3 neutral wires are made common and connected to load. suddenly neutral current was more than line current what is the reason behind this?

DLF,

1 2709

Y phase's (RYB) r only 3,not 4 or 5?plz answered in breif?

1 4127

What is the fullform of NS fuse

Google, JAL International,

2 15654

what is transformer?

Mphasis,

4 6467

Is there is any hazard to insulation of 3hp motor 5 KV megger is used for it?

1 4241

what is meant by trivector meter?

2 4678

Why 11KV/440V distribution supply use for Domestic use?

Essar, Getco, Nissan,

3 12889

The power showed in the name plate of the motor is input power or output power?? The power showed in the name plate is 18.5kw measured current is 34.5 amps. location is india. can i calculate the efficiency of the motor using this data??

2 6108

I am EEE student i want to improve my core side skills.how cn i approach it?

Suzlon,

2521

how to select cable size for three phase?

1 5223

How out of step protection relay works?

APL,

2440

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Un-Answered Questions { Electrical Engineering }

WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.

2706

What is the difference between Static and servo controlled voltage stablizer?

2181

what is meant by directional earth fault and non directional earth fault? describe both.

1901

What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

4032

Why do we avoid electrical conduits in floors at apartments?

2078

What is the difference between type1 and type2 relay protection co-ordination for motor feeders

2227

Usage of flywheel diode in relays

1928

diff b/w elcb and rccb

2300

What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines

1800

list the advantages of RCCB over other circuit breakers?

1708

Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)

2105

How to work E.L.C.B and how to connect in circuit.

2015

What is domestic transformer? Draw the connection of domestic transformer.

2322

how to calulate short circuit current for the following: 1.cable connecting 11KV of 22KV/11KV transformer to 11Kv of 11KV/415V transformer 2.what cable size should i use.

2152

what are the installation procedure of high voltage power transformer,CT,CB&PT?

2076

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