Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why ct ,cvt should be stored in a vertical position?

Balco,

2108

how to changeover ups in this power failur time?

Essar,

1517

what is international rules of electrical?

Essar,

5 5966

how to enter inverter parameter? without manaual?

Essar,

1539

what is eee?

TATA,

8 8180

show the physical connection and phasor diagrams of 1: DZO 2: Yd1 3: DZ6 4: Yd11 5: YZ11

4648

Why is the generator rating always in kVA and motor rating in kW?

7 8978

Block diagram of Power line communication?

CIL, VIP,

1864

why do we need the body earth?

4 6683

A 4-Pole D.C. Generator has a speed of 1500r.p.m. Then what will be the frequency of D.C. Generator ?

IBM,

9 10119

All we know about T/R, Is it possible to make T/R primery singlr phase and secondery three phase,If it then how?... Need Description

1 2956

how actually an anti pumping device works? what is the operational principal?

2 5078

what is the definition of a power transformer ?

4 5270

Types of tempering of energy meter?

Nespak,

1 8318

Percentage losses in power generation?

Nespak, Trimax,

2478


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Un-Answered Questions { Electrical Engineering }

How to select HT/MV cable size ?

1979


what kelvin's law ?

1590


why high speed tripping relay will be used in tripping circuit why not normal relay

815


star delta starter contorl circuit... drawing..

1656


Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?

1279






what are the steps involved in generator load test?

1082


what is difference between window type and wound type transformers?where we will use window type and wound type transformers?

1718


reason of diode failure in alternator

1394


Purpose of providing neutral isolation panel for parallel operation of diesel generator

1174


1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?

2273


anyone please send transformer parameter design formulas & details of tap changer ? plz i have interview this week its more helpful for me ?

1423


What is gross error?

676


How many types oil using in transformer ? How many letars using in transformer..?

1533


What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?

1006


Can we use 230VAC, 63A MCB for 120VAC, 63A supplied heaters load?

1016