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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why Induction Generators are not "Black start" ? and apart from WTGs where this types of generator are generally used?

 2207

Draw the DOL starter and star delta starter drawing?

Danfoss,

2506

Simple explanation of kirchoff's law

 2 5095

how to find out basic difference between ELCB,MCB AND RCCB on seeing the materials?

L&T,

1 3740

How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

 2328

what is zinc diffusion?

 1529

how to find out difference between ELCB, MCB and RCB on looking on it

 1 2584

how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!

SRES,

1826

why we use bare wire in high tension power instead of using insulated wire?

 2 6160

i completed my DEEE. and i want to electrical c license. how to get it..?

 1684

What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

JKN Limited,

1920

In generating stations which we generate current or voltage if it is voltage then how it will convert to current and power?

NIT,

2 6611

how can we calculate the ampacity of the electrical wire/cable. and what are the factors must be considered. pls. elaborate.

Webel,

1733

Benifits of 3ph 4 wire metering over 3ph 3 wire

 2000

in 11kv generators the neutral point is connected to earth via earth coil while in the 33 / 11 kv transformer the neutral point is connected to earth via earth resistor why? 

 1 4624

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Un-Answered Questions { Electrical Engineering }

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

1550

What is the role of power pack in substation protection system?

2219

what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

2009

What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?

1399

As per standard, transformer body earthing and other Equipment earthing (Equipment earthing) did not connect. but in LT side termination we are doing metal glanding in both side Transformer to PCC Panel through armoured cable, now X'mer body earthing and PCC Pane earthing (Equipment earthing) both are connect.is this safe for X'mer or other equipment?

1179




define superposition theorem thevnin theorem ,norton theorom?

1783

whats the application of voltage regulation? and whats the voltage regulation's device?

1400

by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.

1507

What are your future plans for the company if permanently employed?

1688

What are the necessary components of the feedback control system?

714

what is a bus post insulator? explain its application in a substation.

11705

What is the difference between the transmission line and distribution line?

653

What is frantic effect?

689

Briefly define and explain the following different types of Pulse Amplitude Modulation (PAM) with some examples. i) 2-PAM ii) 4-PAM iii) 8-PAM iv) 16-PAM v) Quadrature Amplitude Modulation (QAM)

1626

i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance

2035

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