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Electrical Engineering Interview Questions

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.

2222

WITCH CARDS IN USE IN FIRE CONTROL PANEL.

995

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)

10921

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

4023

where HT & LT capacitor uses ?

NTPC,

9077

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

3150

I want single line diagram for AMF & DG syncronizing panel

5922

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 ?

1181

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 ???

2010

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

1523

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

2613

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

1556

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

2167

different aspects of voltage stability

970

HOW TO CHECK THE VECTOR GROUP OF A TRANSFORMER YD11?

2631

Un-Answered Questions { Electrical Engineering }

State nortonâ€™s theorem?

205

What was your role in the silicon evaluation/product ramp? What tools did you use?

1118

Incoming line 11kv And transformer capacity is 2500kva. Consumption load is 1300A. Then fuse capacity is 11kv line.

757

Does the direction of rotation of d.c. Shunt motor would get reversed if the armature current and field current both are reversed?

154

what is mean by dry frequency

1455

what is the function of Moulded case circuit breaker, why it is called Moulded?

514

Pl.brief me about Electrical power distribution system from Main generating station to Industry.What is the use of in between station.

1120

What are the site acceptance tests for power cables, DG Sets, LT panels & 30kVA UPS ?

1408

how to calculate insulation level of transformer?

574

why we use the 100% and 95% stator earth fault protection for the synchronus generator ?

1222

How would your past experience translate into success in this job?

5883

Can u Explain about the electronic trivector meter and the use of data converters in them?

1373

how to fit 3 HP crompton gear motor with conveyor with the use of staring delta starter or ordinary starter?

805

What is cathode ray oscilloscope (cro)?

157

what is the use of Auto re-closer?

1127