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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the different between bus section and bus coupler

 1 3735

what is the different between bus section and bus coupler

 2 37534

If the capacitor feeder is switched ON without any load, is there any display in the ammeter at the incomer?

RTD, Welspun,

3 5291

What is the importance of RESONANCE

 2 3911

1 sq.mm alluminum cable hou much current caraing capacity

 5 10005

How can we step up ac and dc ?

 1 3199

how can findout cable fault Location only useing MEGGER

 3 6407

why ct is testing using dc.. y cant we use AC insted of dc on POLARITY TEST.

 6 10899

What is the relation between the Peripheral speed(N) , no.of poles(P) and diameter(D) of a cylindrical rotor alternator ?

NTPC,

5 11130

what is IMPEDENCE? FORMULE?

 6 7032

what is diffence between synchronus and asynchronus AC motor.?

 1 3558

Why is the uniform distribution of the capacitor discs in a suspension type insulators essential , what can u do to improve the string efficiency ?

1 3833

What is the size of cable to be used for a Space Heater in UPS 160KVA of carrying 10 Amps current with 240 V ,1 Phase?

 3 4374

How to calcualte the total number of cells required for particular UPS of some X KVA with 3 and 5 hours back-up?

JLL,

1 2765

what is the difference between ac and dc hipo test of cable?

 2 7223

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Un-Answered Questions { Electrical Engineering }

application s to shunt coil

1538

is this the formula of building wiring to get the main breaker.Watts/volts*.8%+higher motor*(25%)=ampere. yes or no or send the correct formula for building wiring.

1210

what is the transformer turn ratio formula and give some examples?

1964

why do we not use equivalent voltage source in negative sequence equivalent ckt.

1645

How to calculate no of EARTH PIT? Describe the formula as per IS standard?

3229




1.4 What is meant by CT knee point voltage and how would you determine it

1196

which pump used in STP

1703

What are the different losses In a de mac1une'! t.xplam

2299

what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY

1813

explain remenance . differentiate high remenance type ct & low remenance type ct

1671

why dimmerstate always connected in star connection? what will happen if it connected in delta?

1609

how to find three phase complex power in per unit and MVA?

1692

What are the significant parts of dc generator?

678

WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT

2745

what is difference between line differential and transformer differential?

1282

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