Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

Cipla, K-Electric,

22 146296

how can u do the earthing of an aeroplane?

5 7264

How will earthing is making for Aeroplane?

5 9437

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

5 10337

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,

8 28631

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

2 11143

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.

DRJ ARDE,

1 4877

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

1 5351

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

1637

what is the spdt

1 3788

what is tpdt

4 7940

what is ballast

1 4150

what is cro

HCL,

3 14540

what is the use of ballast in tube

2 4444

what is rocking arrangement in arc heating

1786


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Define steady state error.

753


In vapour absorption refrigeration machine fluids used are

813


what is x'mer ,isolation x'mer & yltra-isolation x'mer?????

1961


what is the best method of grounding in 30 MW generator?

1632


explain different losses in a transformer.

774






How to calculate capacitor bank size at a load 800kVA.

1285


How can maintain our H.T. motors used in cement plant. please send me procedure.

4784


Is RTCC panel needs any control supply.

1603


How wire size can define in electrical wiring? What is the ratio?

1917


at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?

1504


What is called grain-oriented laminations?

724


what is the thumb rule for determination resistance of resistor?

1937


can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent

1761


Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

1641


A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram

2515