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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor

Indcoil Transformers, Power Grid,

2557

what is the need of capacitor in transmission lines?and how it works.

SCCL,

2 5096

What is fault.?

AngloGold Ashanti, MNC,

2 4849

why US countries maintains 110v and 60HZ

2185

Is current shock due to voltage or current? pls answer

ABB,

2 7333

why are installed water leakage detection system data centers & server rooms

Reliance,

2390

internally connection of photvoltic module

1925

what is the meaning of 1250 KVA Trasformer

2 6253

What is the power factor,apparent power,reactive power and formula of power factor.

MNC,

3 5581

Why transformer is rated in kva?

L&T, NDPC,

4 8613

What are steps to be taken while designing of DYN11 distribution transformer to achieve magnetising balance?

3540

What is difference between potiential,volatge and emf

1 3528

why do mostly prefer to generate and distribute electricity in 3 phase..not in 4 phase or 5 phase.??

BSBK, IOCL, NTPC,

5 9540

If the kvar rating of capacitor bank is 600 kvar at 525V then what it's rating at 415v.

2 6094

When we need start the motor by method of star delta which size (KW or HP)motor should must be operate in Star Delta Method,

3 5401


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Difference between earthing & grounding.?

2162


What is the formula to calculate distribution transformer De-rating on iron losses basis

1844


some basic standard questions on transformer.

1797


what is the function of bearing in dc mchine" and where it is placed

2582


Pls mail me utility & Dg related question with answer

1785


How to find out damper winding failure for synchronous machine?

1512


Why do power lines not short out when they fall into water?

2003


which protection function should measure RMS value of current&DFT value of current?

2083


What are the advantages of the three-phase motor over single phase motor?

1086


what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.

2053


why the value of k is more in shell typr transformers?

1997


what happen if the parallel generator phase angle shift by 1 degree in manual mode

2052


Circuit diagram of tube light without starter using electrical choke

4126


Why do we perform an open-circuit test and short-circuit test on the transformer?

1120


if i am in front of transmission line how to know that current direction without any equipment

1773