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ravendran


{ City } chennai
< Country > india
* Profession * assistant engineer
User No # 33440
Total Questions Posted # 9
Total Answers Posted # 7

Total Answers Posted for My Questions # 26
Total Views for My Questions # 78257

Users Marked my Answers as Correct # 75
Users Marked my Answers as Wrong # 37
Questions / { ravendran }
Questions Answers Category Views Company eMail

what is meant by unity power factor?unity means one why dont call 2,3,4......?

 6 Electrical Engineering 11656

a 50hz motor to give 60hz whats happening in motor.what happen the motor.

 6 Electrical Engineering 9152

in Megger what type of voltage(AC or DC) are produce.how they work.

 1 Electrical Engineering 12816

An AC coil to give DC supply whats happen in the coil.what type of problem are create.

 2 Electrical Engineering 4869

An AC Motor to give DC supply what happen the motor.whats the problem are create.

 2 Electrical Engineering 5176

what type of motor are there in megger how they work.

 2 Electrical Engineering 5042

how to calculate the boiler efficiency?any formula is there?

Ambuja, Bhushan Power Steel,

6 Mechanical Engineering 23332

what is the procedure to start the turbine?

 Mechanical Engineering 2484

how to calculate the turbine efficiency?

 1 Mechanical Engineering 3730



Answers / { ravendran }

Question { 66975 }

why electric shock due to dc is dangerous than that of ac


Answer

if AC one +ve and one -ve cycle , if AC absorb human and
conducted to ground act as short circuit but in DC to
conduct as a closing circuit

Is This Answer Correct ?    0 Yes 2 No

Question { Essar, 38144 }

how do you test the capacitor bank ?


Answer

capacitor banks to use improve the power factor.in motor
side to reduce the temperature and losses

Is This Answer Correct ?    3 Yes 9 No


Question { 12750 }

what is a boiler


Answer

it is a static device , to use produce the steam .

Is This Answer Correct ?    0 Yes 2 No

Question { Aditya Birla, 116974 }

what is the function of anti-pumping in circuit breaker?


Answer

the anti-pumping coil used to by pass the repetitive closing
command .it is used to save the closing coil.

Is This Answer Correct ?    26 Yes 12 No

Question { 11377 }

WHAT IS THE USE OF ANTIPUMPING CONTACTOR IN HT BREAKERS


Answer

the relay used to protect the closing coil.that means
breaker closing condition again to give close command it is
used to bypass the command and save the closing coil.

Is This Answer Correct ?    3 Yes 1 No

Question { Essar, 9693 }

in 3-phase transformer which type of transformet is used in
output side?


Answer

in power plants single transformer used power import and
export. Import means transformer step down and star
connection.If export means secondary delta and step up.

Is This Answer Correct ?    4 Yes 0 No

Question { 65478 }

what is the load amp for 1 HP 3 phase Motor ?


Answer

1.2amps

1hp=.75kw
.75kw=1.2amps

Is This Answer Correct ?    39 Yes 11 No