Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what the different between earthing and grounding?

4 5385

what is rated current and operating current?

3 51720

what is the type of motor that is used in emu units in india

1 3221

WHAT IS DIFFRENCE BETWEEN 3 PHASHE AND 1 PHASHE

Reliance,

6 7838

What is the problem if we connect a weak capacitor to the system? is that profitable or Loss?

1 3034

how to calculate the power loss of cable?

1 4683

what you mean swtchgear(electrical)

1 3331

WHY NUTRAL GROUND SYSTEM USED IN 33KV SYSTEM

RasGas,

1792

WHAT IS VFD,FUNCTION, PURPOSE,

RasGas,

2 6056

how to produsing geretor power

1708

For 132 KV line, PT or CVT which is prefered for measuring & protection? is there any IS or IEE standard available?

1 2995

single phase for 230 then why three phase are 440 volt

ACIL,

4 16962

why capacitor is placed in fan

4 7236

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

1960

why the emf of a cell more than the terminal voltage when the cell is delivering current?

4 29333


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Un-Answered Questions { Electrical Engineering }

Write down the name of 2 lady Bir Pratin of Bangladesh

1455


A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.

2059


What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

1565


Define ohm’s law for a.c (alternating current)?

616


How does a battary stores charge in it? please explain in simple manner and in detail.thanks

1519






what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?

1533


why we have and use 3 phase not 2 or 4 or other in power system?

1671


What is the important precuations need tocarried out while working with Electrolite in Battery PM?

1471


I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?

1376


what is die electric strnth of transformer ?

1636


at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?

1369


why swityard is necessrry requirement in any bis power distributin systems?

1872


how is find out kwh step by step

1312


What is referred to the electron in the outer orbit?

694


what is interpose? where it is used and why it is used?

621