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

Electrical Engineering Interview Questions

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IF 3 NOS.OF HEATERS,3KW CAPACITY EACH,1 NO.HEATER CONNECTED IN R PHASE,1 IN Y PHASE AND 1 IN B PHASE.THEIR END POINTS CONNECTED IN STAR.IF I CONNECT THIS STAR POINT TO NEUTRAL OR DO NOT CONNECT TO NEUTRAL.WHAT WILL THE DIFFERENCE.

3 6527

In 2500kva transformer how much is the withstand High voltage power frequency between primary to secondary and earth? And secondary to primary and earth?

Honeywell,

1 4474

1)What will you do if main incomer VCB fail in your site ?

Honeywell,

7 10343

why in isolation transformer we dont get any shok?

2 4532

wht is the purpose of the earth electrode other then earthing

1 2835

how r charge carriers produced

2050

what is power system transient condition

1 3500

what is thresold of perception

2017

what is positive , negative & zero equivalent system resistance

1898

is there interlocking between duty and standby chilled water pumps?

1 3905

I want to know if it is possible to use Variable Frequency Drive to reduce the current required for starting a motor?

Descon,

3 5164

How magnetic balance test of single phase transformer is done,Especially in ESP transformer rectifier set.

Bhel,

2 5789

pls send link about servo motor

3 5219

List out the types and name of the motor under their application?

1946

what is IP55,IP65

4 47193

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Un-Answered Questions { Electrical Engineering }

How RTCC panel is working and give single line diagram for RTCC with transformer?

3062

What is the previous name of Cox's Bazar

2183

i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.

1885

How to design pavement quality concrete by using C.R.C.P Method

1707

What is meant by rotor?

1243

dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

2317

defination of lines

1963

What is the function of Governor in Hydro Power Station? What is the Function of Lightning Arrestor Voltage Transformer (LAVT)?

2780

In vapour absorption refrigeration machine fluids used are

1185

WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR

3937

Mention the disadvantages of low power factor?

1086

When distance between two pulleys is not fixed, the tension of belt is adjusted by a) driver shaft b) driven shaft c) adjustment screw d) belt

2989

Merits & Demarits of Oil circuit & Air circuit breakers ?

2042

What is open delta Xformer? It's adavntages & Use?

2195

At what speed an electric car can run with 2 HP motor of weighing 400 kg?

1782

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