Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why do some transmission towers have two insulators at one side and three insulators at the other side

2 3788

sir iam a 3rd yr eee student.no core company comes for recruitment to our college.my aim is to be placed in l and t.tell me the procedures.

1509

I am having a DG set.The 415 V from Generator is step up to 460 v and then the same is used for Induction furnace. before Step up, I am connecting LT load to my factory use. When Induction furnace is in service from DG, when i try to start a motor, the generator is tripped.Please tell me the reason.

3 4455

in ceiling fan and table fan what is the rotating part and what is the stationary part?

5 9091

What is breather? why we use it ?

3 3975

How to set a Zone 1 distance relay for distribution feeder?

Schweitzer Engineering,

1538

why tertiary winding is used in transformer with diagram?

1785

why single induction motor is not self starter?

3 8206

for 644KW load which MCCB should i use

6 7039

what's the thickness of 1.5sqmm wire

Bhel,

1 4920

Give 3 phase transformer connections for 24 pulse rectifier using thyristors.

1610

what is the difference b/w ground & virtual ground?

Accenture,

1846

what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?

1897

we use 3 phase supply for induction motor why not use two phase supply .

TLC,

4 5924

how do the stepper motor works.

Vardhman,

1 3434


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Un-Answered Questions { Electrical Engineering }

Work done in a free expansion process is

705


How to know th details about an electrical Drawing ? Please mention the easy method.

1997


Why armature rheostat is kept in maximum position?

636


What is the maximum breakdown voltage of 11KVA and 66 KVA power line and how it is calculated?

1811


what are pilot cells

1577






how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?

2759


how we can set the IDMT relay.

1667


My load is 1635 KW. & current pf is 0.884, I have to improve it for 0.99.Please suggest what KVAR value is needed?

1188


What is the maximum percentage voltage drop (vd%)for a motor control center

1545


what is the main function of capacitors in mccs.

1268


why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?

2358


The height to which the liquid in a tank to be maintained for a certain constant velocity?

1523


why transformer tank is in rectangular shape what happen when it is in step shape

948


What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

1914


Explain thin film resistors and wire-wound resistors

635