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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Explain Even and Odd signals?

UOG,

1431

Explain Energy and Power signals?

UOG,

1282

Explain Random and Deterministic signals?

UOG,

1312

what questions will be asked for 11/33KV licence interview APSEB hyderabad. Can any one share question and answers.

 17416

What is OLTC AND RTCC and it's function?

Sterling Wilson,

2 4588

What is on delay and off delay timers

NCC,

1 2392

Haw to check conductivity of budbar

Adlec Power,

1343

For 415v,3phase,22kw rating of motor how to calculate MCCB rating

Zigma Technologies,

2 10507

Is it possible to run HT motor through LT VFD (LT VFD supply given to Transformer LT side and transformer HT side connected to motor)

 1 3267

Please let me know DG set b check how many hour and days.

Amazon, Cummins,

2 3603

Can we use the ceiling fan regulator to run drill machine having 2000 watt power consumption?

 2 2601

we have one pumping station and 4.6 MW 7 no.s synchronous motors.so there is no required HT capacitor to improve power factor.But we have two no.s of 25 Mva power transformer connect to distribute the power for motors connect with 220 kv line.So i have required the HT capacitor to improve power factor at HT side i mean power transformer bus side.So please suggest how much HT capacitor banks required for same.

 1 1978

If we says that current is flow only when there is closed path & neutral work as a return path for the same. Then how circuit is closed in three phase as no neutral available ??

Nimbus Harbor Facilities Management,

1 2329

What is Toroid?. What is the difference between toroid and Current Transformer

DAE,

1 2518

Whether amorphous core transformer is commercialized or not:Name of company making amorphous core transformer and what are different rating?

DAE,

1348

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Un-Answered Questions { Electrical Engineering }

What is Fire Panel ? How it works ?

1591

How many kinds of E.L.C.B and how to work E.L.C.B

1607

what is the difference between neutral and earth

1559

How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

1522

What is the function of capacitor in electrical circuits?

618




we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes

1609

Classify drilling machines.

684

What is the instrument to check the rotating diode fuse of alternator in running conditions?

2011

what is the setting of locked rotor in HT motor ? (answer expecting in percentage)

1800

WHAT SHOULD BE THE BEST CURRENT RATINGS (PRIMARY / SECONDARY)FOR A CT INSTALLED AT THE INCOMING 11KV PANE? WILL IT BE CALCULATED ON THE BASES OF MAXIMUM DEMANT VALUE OR ON SUM OF ALL TRANSFORMER'S KVA? NOMALLY MAX DEMAND REPRESENT THE MAXIMUM OPERATING LOAD OF THE PLANT AND TOTAL KVA OF (SAY 5 NUMBERS TRANSFORMERS) REPRESENT THE CONNECTED LOAD. WHICH i.e. MAX DEMAND KVA OR CONNECTED KVA ARE BETTER TO USE FOR CT CURRENT CALCULATION? PLEASE ANSWER.

1444

What is the function of auadag in a cro?

680

In ht capacitor ckt we are using LBS Panel it having isolator with fuse, one of HT fuse flash over, so what is reason behind this event.

1585

how to identify the cable quality and what is flame proof cable

1673

How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?

1504

how can we calculate the ampacity of the electrical wire/cable. and what are the factors must be considered. pls. elaborate.

1758

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