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Electrical Engineering Interview Questions

What is the calculating formula for HT and LT amps in a transformer.

120355

how can u do the earthing of an aeroplane?

4873

How will earthing is making for Aeroplane?

7465

How to decide the input and output circuit breaker for a 1600kva transformer.Is there any calculation is involved.

8213

Why VCB and SF6 breakers to be used in HT used by cant ACB of higher rating to be used for 11kv and 33kv.

TCS,

25555

How the earth fault relay works please explain?????????

9822

We have isolation transformer 25kvA & ONLINE UPS 15KvA (3PHASE I/P,3PHASE O/P)where isolation should have connect,before UPS or after please brief.

3934

What is potientometer.How it is useful in a sychronoscope.

4255

what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks

1103

what is the spdt

2923

what is tpdt

5533

what is ballast

3257

what is cro

HCL,

12524

what is the use of ballast in tube

3214

what is rocking arrangement in arc heating

1241

Un-Answered Questions { Electrical Engineering }

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)

1030

what are carbondioxide and dcp used in fire extinguishers

1201

Define what is the function of anti-pumping in circuit breaker?

206

What is vaccum currcuit breaker.define with cause and where be use it device?

204

How dia computation perfomed in cold rolling mills .

2174

What is the type of feedback used in an op- amp schmitt trigger?

219

I Want randstand placement papers

825

Difference between megger test equipment and contact resistance meter test instruments?

275

What is core CT & it's function?

1188

how to select automotive wire by mathematical equation with given current, vlotage and resistance

1495

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

1560

What are the effects of adding a zero to a system?

226

WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?

898

Pl. brief about break-down maintenance of machine tool.

946

I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

1555