Answer / gsamguna chennai opg

mineral oils using for
trnsfrmr

Answer / chandrakant tarange

mineral oil

Answer / ramgopal gupta

pentaerythritol tetra fatty acid (C7, C8) esters

If the neutral wire go pass through the core balance current transformer? If yes then why? and no then why?

2 Answers  

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I have three phase 400 KW,390 A MOTOR.For this motor which type of Cable is required....specifically rubber cable required. Can anyone help me..

5 Answers  

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we have 2.2kw,Y,3000rpm motor but 6leads found in TB what happen if we connect in delta?

0 Answers  

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why we use isolation transformer?

2 Answers   Godrej,

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Scott connection is used for A 3-phase to 2-phase conversion B to achieve higher effciency C to save copper D to reduce harmonics

0 Answers  

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Why transformer neutral earthing? What is advantages?

3 Answers  

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what are all the daily preventive maintainance carried out in transformer?

1 Answers  

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what is the burdon in case of relays?

1 Answers  

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why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

0 Answers  

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

0 Answers  

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Classify drilling machines.

0 Answers   Ashok Leyland,

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In constant power region of 3-phase IM torque-speed characteristics, if frequency increases voltage A does not alter B decreases C increases D none of above

1 Answers  

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