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Electrical Engineering Interview Questions

what kind of motor is used for lifting applications

4885

what is the magnitude of earthing and neutral voltage

2989

How transformer neutralshould earthed ? Transformer neutral connected to earth mat in substations, right or wrong ?

4830

How to calculate meter constant @ HT yard

8538

in ac system the current wave form becomes zero for every half cycle then how can we get continuous supply can any one answer to this plsss

3450

Difference between On Line capacitor and Station Type capacitor.

1211

How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.

1360

why rating in KVA and KVAR?

6364

Ho de we calculate the line loss of a 500 kv line over 1000km.

2062

will the introduction of capacitor bank parallel with the induction load reduce power consumption

6607

if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side

1050

I have CNC Turning lathe,while doing electrical preventive maintenance what should I do & please brief me plan & shedule for the same.

2955

If current and resistance in a circuit is increased by 20%, what will happen to its voltage drop??

4133

Why there are some equipment(i.e:TV) that using 2-pin plug instead of three? What happen if there is current leakage? Are we going to get electric shock??

1267

Should transformer earthing pit, to be connect to earthing mat in Substation

7602

Un-Answered Questions { Electrical Engineering }

How two nos. 130 kw D.C motor get synchronise using D.C drive.

1191

why is the power generator connected as star earthed or star earthed through reactance and what its features ?

762

What are the transformer losses?

232

Explain about retrofitting of machine tool.

1072

how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

1166

What does the term supermesh means?

254

What are the no-load losses for the 11000/415V transformer with the following rated capacity? 1.1500 kVA 2. 2000 kVA 3. 2500 kVA 4. 3000 kVA

613

wish of these transformer uses oil?

813

how the inner and outer body is separated in aircrafts?

205

What are the material used for inductance coil?

252

How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.

1360

What is the difference between indoor and outdoor transformer

4043

how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........

3738

What is mean by hot and cold loop testing? What is the difference between them?

202

how to calculate maximum current

1197