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Electrical Engineering Interview Questions

can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??

MCB,

1079

How the power factor is more in high speed machines

1915

what is DRP panels?

SECL,

1112

Why we say three phase voltage 440v.

VDP,

3050

if the field circuit of a d.c. shunt motor running without load gets opened, then the motor will

3225

Generally we denote power in 'p',voltage in 'v'but why can't we denote current in 'c' instead of I.

Bhel,

8575

why do we prefer alternating current in india where as in USA prefers DC?

Bhel, GMR, Texmo,

5673

What will happen if 33 kv is given to a 11/0.415 kv Distribution transformer?

SECL,

3201

For an 100kw generator, only 50kw of load is connected. Will the generator generate only 50kw or 100kw. If it generate 100kw what happens to rest of the 50kw. What happens if we connect more than 100kw of load?

L&T,

4559

What is the difference between earth and neutral

6356

what is a,b,c,d checks diesel generator?

AFMC,

2201

what is alluminium arm in ab conductors

1015

WHAT HAPPEN WHEN A DROP OF WATER MIXED UP WITH TRANSFORMER OIL ?

5079

What is the difference between AC and DC injection methods for rotor earth fault protection

1204

Why collecting electrode of ESP to be earthed

NBVL,

1129

Un-Answered Questions { Electrical Engineering }

how can i reduce sparking without stepdowning the voltage

1620

what is the total power generation in india?

1202

What conditions are required for transformer to operate at low frequencies ?

1009

sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

1304

What Maximam Gap Taibaar & Bush

1304

can u give me a brief idea about power line carrier communication ??

1002

what are the assumptions made in swineburne's test?

1169

can we use engine degreaser for electrical motors?

751

we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

849

what r substations?what r there work?why voltages r incresed and then reduced during distribution of power

1031

where rlc series ckt used?

1246

517

what are the applications of transistors with low dc gain, high dc gain and medium dc gain( beta)?

879

what is servo motor & how does it work.

1039

How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?

1720