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

MCB,

1502

How the power factor is more in high speed machines

 1 2698

what is DRP panels?

SECL,

1672

Why we say three phase voltage 440v.

VDP,

2 4057

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

 3 4375

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

Bhel,

4 10027

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

Bhel, GMR, Texmo,

3 7017

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

SECL,

2 4263

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,

2 5509

What is the difference between earth and neutral

ABB, Tamboli Engineers,

4 7755

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

AFMC,

1 2960

what is alluminium arm in ab conductors

 1499

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

 4 6628

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

Asian Alliance Insurance, NBVL,

1680

Why collecting electrode of ESP to be earthed

NBVL,

1615

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Un-Answered Questions { Electrical Engineering }

what is accuracy ? in any meters , coils accuracy . how can u defined that ?

1913

why surge protectetor work explain with the help of circut diagram?

1525

Installation resistance for whole installation of 16 kva & 25 KVA DTRA a) Between each conductor b) between conductor to earth c) installation resistance for each apparatus, each conductor to earth d) earth resistance for the system of earthing

1455

In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??

1628

Plz tell me how we can find that particular company has vacancy or not

1671




1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?

1683

what is meaning of bus riser

1942

dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour

1504

What is the best thing to protect the motor from running over full current. CT or O/L or pressure transducer at the given pressure rating

1019

PAC and simple Ac different

962

Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?

1520

what's the exact magnitude of current, flows through Neutral?

1536

what is the function of gss in the dg set.

1467

how to calculate the power factor when instantaneous voltage and current has harmonics in it ?

1397

i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result

1541

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