Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the working principle of DC generator ?

DRDL, HCL,

10 12473

In zero voltage we can pass supply to our body means we cant get shock its true ? how we can do it ?

4 2655

what is the difference between brushed alternator ,brushless alternator & permanent alternator ?

1 22333




What is system earthing?what are the types?

ABB,

1 1820

why it is so called as xlpe(cross linked poly ethyline) cable?

884

How single phase & 3 phase motor select rotating direction ie clockwise/anticlockwise

DRJ ARDE,

6 5922

a 50hz motor to give 60hz whats happening in motor.what happen the motor.

6 5175

in Megger what type of voltage(AC or DC) are produce.how they work.

1 8358




An AC coil to give DC supply whats happen in the coil.what type of problem are create.

2 2891

An AC Motor to give DC supply what happen the motor.whats the problem are create.

2 3025

what type of motor are there in megger how they work.

2 3092

how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)

775

phase colour is indicated by R Y B (red yellow blue) but in transformer i have seen U V W instead of (R Y B) have any meaning of this

Areva, Kim Yew,

3 15930

how to calculate the capacitor to maintain power factor?

Bosch,

910

What is expand formation of AYFY cable

HP,

2 3004


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Un-Answered Questions { Electrical Engineering }

what kvrah y we need to take the readind of that

786


Operation of isolators.

736


What is the mmf,rgt and ngt please brief completely

407


IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

1286


how pt is using

740






What is EHT tariff or Power factor Tariff ????

1130


Installation resistance for whole installation of 16 kva & 25 KVA DTRA a) Between each conductor b) between conductor to earth c) installation resistance for each apparatus, each conductor to earth d) earth resistance for the system of earthing

702


What is the difference between diode and a transistor in terms of the direction of current flow?

976


what is the difference between active power and reactive power and apparant power in practical as well as theoritical

736


what is difference between KW and KVA

235


WHAT IS THE TOTAL POWER GENERATION IN CHHATTISGARH?

773


WHAT IS LOAD CELL

867


Why mostly the HV side of transformer has Delta?

1885


how commomn gate triggering is given for TRIAC ? other thyristor wont be efffected?

1159


what is mean by restructuring power system?

687