Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the thumb rule to know current carrying capacity of copper conductors of different size.

1 3003

advantages of vvvf drives over non vvvf drives for EOT cranes

HEC,

2 13954

how calculate the current faut level

ABB,

2 5393

what is power

ABB,

6 7217

What is the difference between single phase, 2phase, and 3 phase motors?

2 7243

what is single phase motor?

5 5177

what is 2 phase motor?

4 6812

what is 3 phase motors

AXA,

1 3003

what is the difference between single phase, 2 phase, and 3 phase in electric meter?

1 5797

Please help me.What are the difference between two wire, 3wire, and 4 wire in electric meter?

3 4634

what is the meaning of WYE and DELTA in Electric meter?

3328

what is th basic difference between a d latch time line and a d flip flop time line???

1462

keeping in view of parallel operation which of the 3 phase transformer connection are possible? a)delta-delta to delta-star b) delta-delta to star-delta c) star-star to delta-delta d) delta-star to star-delta

Ecil, Siemens,

4 22079

How does a television work?

Siemens,

1792

What kind of battries are generaly used with Disel Generator?

Exide,

1 4958


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Un-Answered Questions { Electrical Engineering }

Why do we need interlocking in a HT metering or Ring main unit switchgear?

1550


two way ckt diagram can be drawn by how many ways? give diagram

1332


why does make gain margin and phase margin on same plot.?

1629


What are the different losses In a de mac1une'! t.xplam

2252


What are the transformer losses?

663






Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.

1597


explain different losses in a transformer.

641


how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?

2500


HOW DOES THE ELECTRONIC ENERGY METER WORKS?

1607


why power not passes in plastic and rubber material

1534


BRIEFLY EXPLAIN THE STORAGE CLASSES AND THEIR TYPES IN C

1847


what is efficient motors and how it is different from normal induction motors

1417


Difference between drift current and diffusion current?

1302


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 ?

1696


Is it possible to operate a synchronous 2-poles turbogenerator with a still-in-place faulted bar but electrically disconnected ???? If yes, should I act on the other phases as well ???

1435