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Electrical Engineering Interview Questions
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why DG,Transformer,UPS capacity will be tell in KVA but not in KW?

Godrej,

4 10289

In ac which gas will be use?

 2 3681

In chillers & freezers which gas will be use?

 3 4163

In transformer which temp should be less oil temp are winding temp?

TCS,

7 14956

what is the diffrence between earth and neutral.

 1 3916

Dear Brother can u tell the proper size selection of cable & the fault level calculation of braker, busbar etc. pls mail me at azeemk30@gmail.com

 1527

why spark is produced in mosquito bat?and what are the ways to reduce it?

Godrej,

2 7360

why do we use UPF watt meter in short circuit test of the transformer and LPF watt meter in open circuit test of the transformer

Bell, TCS,

2 32526

if the load is reactive then what is the use of calculating the real power and what is the use of reactive power if my question is wrong please excuse me..

 1 3151

What is Energy Audit..?

 2 4999

In LRS how much water PH value maintain for good operation of motor?

 3 17463

how the earthing point or earthing is taken for ships and airplanes?

 1 7004

In ht capacitor ckt we are using LBS Panel it having isolator with fuse, one of HT fuse flash over, so what is reason behind this event.

 1690

which metal is use in shunt

 4 5477

why generating voltages are of 11kv 33kv 22kv of 11 multiples

 5 6359

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Un-Answered Questions { Electrical Engineering }

What fomula is used to calculate: 1. rated frequency withstand voltage, and 2. rated lightning impulse withstand voltage.

1389

What do you mean by Stimulastion Test in Diesel Genarator / Why & when it's conducted ?

1288

What id difference between power and energy?

757

what is the earth current,reverse power,electrical trip generator short circuit,low voltage, high voltage please discribe me

1723

An active element is one which a. Supplies energy b. Absorbs energy c. Supplies energy and convert energy from one form to another

1720




How many energy meters can be connected on a 15VA Voltage transformer. please send a calculation sheet.

1585

What are the advantages and disadvantages of short-pitched winding?

691

We have a distribution transformer of 750KVA/11kv/440v and an AVR (Servo Stabilizer) of 750KVA on the LT side of distribution transformer. Also we have an ACB of 1200A on the output of distribution transformer (that is on the input of AVR). We want to have an MCCB on the output of AVR. What should be the rating?

1743

What is meant by load angle of an alternator? Upon what factors does the load angle depend?

2645

star delta starter contorl circuit... drawing..

1745

What is meant by sag?

732

(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?

1750

can I improve the furnace power factor (10 mva transformer) by adding a capacitor bank before the transformer.Does system power factor vary a lot with the furnace PF?

1679

If i am running of spindle at 2000rpm ,but How to spindle stop at the second I am resetting the machine in CNC machines

1297

I want the details about BHEL company examination.Can anyone able to help me please.

1684

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