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 cogging in motors?

1 6127

What is the function of RCCB? What are the different sensitivity ratings & each application?

Wipro,

6 35364

What are the details of ratings of different types of ACSR conductors?

2 9868

Which type of DC generator is used for electric welding purposes and why?

1 5623

i applied for the ap transco please forward the freqventley asked QA

2002

Amoung all classes of electric machines, why the transformer uses oil as one medium of cooling?

4 7705

we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

2 5996

we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

1 3718

What is the difference between MPCB and OLR?

ABB, Raj Agencies,

11 59933

in three pin plug point, whats the reason that one plug point is bigger in size

4 7077

how to calculate cable bending angle in a trench?

Eastern Cement,

2 11485

give me the details of anti pumping relay

2 5343

what are the main hormonics in ac?

1 2697

what is use of substation? Any book on how to instal or construction of substations?

Siemens,

6 13801

How many losses in generators? how we can reduce them? and also in motors,transformers?

1 2747

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Un-Answered Questions { Electrical Engineering }

what is a reactive power? what is the relation with power factor?

2188

Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?

1913

how to CHECK CT AND PT AT THE FAULT OCCUR IN GENERATOR RELAY PANEL .

2282

What is precision of a measurement?

1121

What is the function of the generator exciter?

1417

What is the numerical quantity of sqcm?

2031

how many safety really of DG sets.

2229

TO CALCULATE THE RESISTANCE OF GRR OF HT MOTOR 400KW WHEREAS STATOR VOLTAGE 6.6KV AND ROTOR VOLTAGE 705V AND ROTOR CURRENT IS 346A.

5499

can u describe the method used for protection of transmission line.

2221

PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.

2803

what are the components in electrical control panel (for example: 415V, 3-ph, panel to operate utility and 3-ph DG set).

2035

How to define Kirchhoff current law and voltage law along with simply examples.

1772

define superposition theorem thevnin theorem ,norton theorom?

2393

What are the significant parts of dc generator?

1140

what is a pilot wiring and whys that called a pilot wiers

1925

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