Answer / gsamguna chennai opg

mineral oils using for
trnsfrmr

Answer / chandrakant tarange

mineral oil

Answer / ramgopal gupta

pentaerythritol tetra fatty acid (C7, C8) esters

Why is ignitor used in sodium vapour lamp

1 Answers  

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In power transmission using open belts or horizontal shafts it is preferable to have the slack side of the belt on the top because

0 Answers   Caterpillar,

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why transformer rating in KVA ?

8 Answers   Bhel, TATA, Voltage,

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how many amps in 1KVA?

16 Answers   TATA,

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How to make vector group test of transformer?

2 Answers  

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Iam deepthi.i completed my b.tech from electrical engineering.i want to prepare for civil services.i dont have much knowledge about these exams,but i have great zeal of cracking exams.plz provide me suggestions to which options i can select for optionals

7 Answers  

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How do you connect the capacitors on polyphase circuits?

10 Answers   L&T, Transco,

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in three phase with neutral connection, what will happen,if the neutral is in open condition with single phase distribution panel

4 Answers  

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FOR 3 PHASE DISTRIBUTION,WHY WE USE ONLY THE VOLTAGE LEVEL OF 440 VOLTS

1 Answers   AITM,

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What is Vk and Imag i.e Knee point voltage & Magnetising Current? How to calculate above values? How to define accuracy class 5P10?

7 Answers   Deccan Cements, Doosan, Torrent Power, Transco,

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What is battery Amphere-hour? How the battery back up time period is calculated?

2 Answers  

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What is the tolerence limit between neutral and earth in 230 V AC System?

7 Answers   NTPC,

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