Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the working principle of DC generator ?

DRDL, HCL,

10 16702

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

4 4596

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

1 25574

What is system earthing?what are the types?

ABB,

1 2817

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

1582

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

DRJ ARDE,

6 8768

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

6 7484

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

1 12152

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

2 4101

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

2 4332

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

2 4245

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)

1418

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 19934

how to calculate the capacitor to maintain power factor?

Bosch,

1640

What is expand formation of AYFY cable

HP,

2 4738


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Un-Answered Questions { Electrical Engineering }

write down the formula of cable size in RM if current is 50Amp.

901


what maximum range of star & delta in hp or kw ?

1245


why cable i burning without tripping. how can protect led street lights

1002


how to carried out DAR test in 11 KV Alternator ?

1815


3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

1460






How to calculate Temp from Resister from PT100 equation,

1181


Give the topology of current amplifier with current shunt feedback?

678


1.how many earth pits are required for 1000 k.w plant include substion , transformer ? 2. how many earth pits are required for 500kva generator.what is formula to calcute?

2258


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

1721


how meger function

2396


Incoming line 11kv And transformer capacity is 2500kva. Consumption load is 1300A. Then fuse capacity is 11kv line.

1237


what is through fault?

1735


What is minimum phase system?

644


What is Bolted fault?

1658


What is the size of a 60 watt and 80 watt tubelight?

1727