Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How can I calculate the require lumen of a room. If I use Tube Light (40 W), Or 100 W incandescent lamp. Please give detail answer.

1 3629

WITCH CARDS IN USE IN FIRE CONTROL PANEL.

1933

WE HAVE A LOAD OF 55KW MOTOR ITS VOLTS 380 3PH AND ITS TAKING 100AMPS (ITS FULL LOAD IS 105AMPS)AND ITS CABLE IS 4CX50SQMM ,NOW ITS GETTING ABNORMAL HEATUP IN CABLE,PLZ TELL WHY ITS HEAT-UP?(CABLE LENGTH IS 15 METERS ONLY)

10 15680

If load current is 70amps or 50amps what range of CT to install for ampere metering

3 6333

where HT & LT capacitor uses ?

NTPC,

2 11245

i want to syncronise 5 nos of DG. How? pls reply

3 5699

I want single line diagram for AMF & DG syncronizing panel

7198

How can i calculate the Breaking capacity of molded case circuit breaker, is the breaking capacity of CB for Diesel generator shall be less than grid supply's breaker ?

2244

I have a 3 phase 600 volt prim. feed and a 120/208 sec. Isolateing tranformer .We are using this system for safety against shock . What is the proper grounding ?? Does the common on sec. get earth ground ???

1 3505

WHAT IS THE TECHNICAL SPECIFICATION OF C CURVE & D CURVE LEGRAND MAKE MCB

2664

why capacitance effect is predominant in underground cable transmission and inductance effect is predominant in over head line transmission?

3674

why insulation cost is more in underground cable than in overhead line?

2 3442

how can we calculate fault current of a line in a 6 bus syatem if the faulted line is known?

1 3591

different aspects of voltage stability

2059

HOW TO CHECK THE VECTOR GROUP OF A TRANSFORMER YD11?

Siemens,

3621

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Un-Answered Questions { Electrical Engineering }

How convergengr of nr method is not dependent on selection of slack bus and how gauss siedel method depends?

1805

How can I calculate ISF of current transformer?

3640

how will calculate the safe starting current of 3-phase squirrel cage induction motor?

1920

What is a commutator?

1049

What is the permissible limit of shaft voltage for 6.6 KV motors ? Why? Is there any standard is available?

2659

in electrical control panel. how can i choose the cable rating. (example - 11kw motor, 18-25A mpcb}

2858

Which capacitor is preferred for high voltage and frequency?

1081

what can be the causes of capacitor start motor having a higher current that its actual

1967

what is Anti-pumping?

1942

how to revers the direction of single phase motor

963

What is slope...? Explain slope 1 and slope 2...?

1612

What is shunt voltage and u v voltage witch one best

1722

how define the torque in ac drive. from electrical side in the drive friquency ,voltage and current three factor is there.

2228

WHY BREAKER ARE USED IN SUBSTATIONS?

2236

In power transmission using open belts or horizontal shafts it is preferable to have the slack side of the belt on the top because

1226

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