Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Comparative difference between 33Kv & 66KV for transmitting the load of 7 MW at a distance of 34 Km.

NHPC,

6 13739

APPLICATIONS OF SHUNT GENERATOR

Wipro,

1 10951

whats the advandage of PMG in alternator?

2 17924

what is the d/f b/w iverter & converter.

Indeco,

5 6202

how bucchos relay works in a transformer

Indeco,

8 10815

how generater works

4 5139

what are the main parts of UPS what is the function of that?

Apollo, HCL, Liebert, Royal Furnishers, Tech Mahindra,

23 110346

Which transformer is suitable for 220/11 kV, 60 MVA, distribution , Y-Y or D-Y or Y-D, give comparison for the same.

3 9871

why do power factor in the three phase induction motor increases with the load ???.

Jindal,

3 12189

How to calculated capacitor rating both HT

Reliance,

10 23149

How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.

1905

Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)?

OPS,

3881

Dear All please ive me ur ideas... What is the major diff between cu conductors and Al conductors ?

MX Technology,

3 4866

hoe to select the cable size in sq mm for certain load?

TCS,

5 8925

how to select DG set for certain load?

ACC,

7 21917


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Un-Answered Questions { Electrical Engineering }

how we decide scurt (disc) of insulator with respect to kv rating

2975


How we calculate the Multiplying Factor of Kwh meter for 3 phase alternator.

1445


Define stepper motor. What is the use of stepper motor?

717


Will any motor burn if voltage provided is lesser than the rated voltage???? If yes, then how is speed control possible with voltage control

1732


i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?

871






why the voltage and current in a long transmission line are called travelling wave?

1820


what is the safety of voltage power transformer(2250KVA0

1584


what is mean by drives?

1537


Draw a circuit diagram in which if button is open we can use socket and bulb as a series test circit and if button is close than simple we can use socket as any load purpose.

1481


What Is Sampling?

817


Please give me a erda placement paper

1328


Why are iron cores in transformers made laminated?

707


What safety precaution are to be taken for avoiding electric hazards ?

1469


if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

1570


why wire sizes are 3/29 or 7/29 and why not wire sizes are 2/29 or 6/29?

4695