Electrical Engineering Interview Questions
Questions Answers Views Company eMail

defination of static variable compensator

1 3695

definition of transformer

10 11597

defination of transistor controlled series capacitor

2297

KVAR Kilovolt-Ampere-Reactance

2 3902

what is the difference between concentrated winding and Distributed winding in motor?

BSL, Infosys, TCS,

7 48162

what are the energy savings methods that are existing in coal based power plant?

1 3059

we have 1000 litre water tank,it located at 25m hight from ground level,the water level on 10m below from ground level.for fill the tank within 1 hour,how much of motor rating(HP) want to select?

1613

What is mean by PID controller? And what is its Long form?

Jindal,

9 28328

In AC Drives How can change & control its output Frequency?

Jindal,

5 7122

What is Difference Between Induction Motor & Servo Motor

Jindal, Kirloskar, KTTM, Star Technocrates, Toyota,

31 98764

why ac supply neutral should earth not in dc (-)

2 4328

110 KW MOTER DOL STATER 240SQ.MM CABLE MOTER AND STARTER DISTANCE IS 110 METER WHAT IS VOTAGE IN MOTER END AND SYSTEM VOTAGE IS 415 V HOW I CAN CALCULTE

2 6411

What is Biased Generator Differential Relay?

2 6420

what is interlocing and what is the purpose of this?

L&T,

4 6993

what should be the minimum rating for using HT Motors?

BSL,

1 4747


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Un-Answered Questions { Electrical Engineering }

Can we use BS 6651 and BS EN 62305 standards for computer room lightning ptotection in substation?

1885


in electrical control panel. how can i choose the cable rating. (example - 11kw motor, 18-25A mpcb}

2501


What is d main advantage of using double circuit 3 phase transmission ?

1549


what is the importance of Partial Dischage test for Electrical Equipments

1555


How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........

2069






What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

1693


what is the relationship between current&voltage in practical purpose ?

4431


The shot circuit in any winding of transformer result? Explain

897


why ct's&pt'S out put called as burden,why compelsary short ckt the secondary of ct's while removing the burden?

1669


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?

1757


Hello to all, Please someone can send me HPCL ELECTRICAL Engg. Sample papers to me? Its urjent....my email address is.... raviasiapacific@gmail.com

1749


how can i change the rotation of the AC single phase induction motor and show me by diagram

1419


1.what is the funtion of chiller primary & scondary pumps. 2.what is the use of distribution lines & Types. 3.what is the use the thermal power stations & how much capacity.

1630


what is circuit breaker in transfomer and where it used

814


what is thermal resistance of PVC Cable.

1435