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_mean_by_negative_dc_voltage? why we use -48v except +48v in DC power supply systems.

APEL, BSES,

2 7293

how ship earthed?

Marico,

5 18832

why three phase three wire system probably did'nt have neutral

Marico,

2 8062

what is the difference between synchronous generator & asynchronous generator

Reliance,

4 22825

what do you mean by leading power factor & lagging power factor

Suzlon,

13 70259

In power transformer YnD0 Vector Group is possible or not? if possible, what will be the vector diagram and what are the conditions?

2 9625

What is class 2 coordination ?

2 3958

what is difference between mccb,mcb,elcb,pccb

7 22858

how generator generates electricity?

Suzlon,

1 4745

what is the significance of tan delta testing?explain the theory?

7 38038

how to test generator protection rotor earth fault relay and locked rotor test?

1 14690

hoe to test voltage restrained overcurrent relay?

2 5846

What is the Difference Between MCCB & ACB & VCB

3 9921

Pls say , how we calculate lux / sq.ft, which formula used for calculation

5 18881

how calculate busbar size for rated amps, which formula use

Rites,

2 11855

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Un-Answered Questions { Electrical Engineering }

Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,

2960

hai iam arunkumar. i have applied for an section enginner in rrb. i want lat 5 years solved question papers. if u have please sedn it to arun30682@gmail.com

1876

please send me jindal previous aptitude and technical question and answer.my email id is deep_raj@live.com

2030

How much minimum insulation required between 11kv/3.3kv transformer windings?

2494

What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?

1629

Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.

5468

hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

3016

ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

4212

how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?

2660

XYZ

2206

What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

2412

hi this is hema, r there any books in particular for the preparation of the APPSC-A.E.E(electrical), if so please mail me the names ... thank u .

1984

Diagram and details of polarity test for Current Transformer 11kv 400/200/100/1A

3103

kindly send me 11KV MV motor differential protection procedure by primary injection method.

1500

how you will decide the distance between the power transformer and its fencing

2023

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