Answer Posted / k.prakashchandra

Incoming power has to be equal to the load.

Parts of machine and their discription in details with suitable photo

1999

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The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.

1325

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what causes contact chatter when there is no demand on the air conditioning unit?

1980

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In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)

1719

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what is there inside an inverter and how it works?

1771

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What should be the height of basement according to NBCC code?

2145

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what is the difference between gas group b and gas group c electrical equipment construction wise?

1807

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how can we save enegry by using VFD for Resiprocating Air compressor which is having more unloading running hours

2243

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Explain advantages of storage batteries

1053

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What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

1931

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As we know induction squirrel cage motor torque Directly praprortinal to applied voltage in star connection & delta also. If I connect 55KW Motor to DOL starter in load condition does motor withstand the load & what will be the current withdrawn ? motor will not fail ?

1789

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What is deference between MCB & MCCB & ISOLATOR

2045

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Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

2733

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what is difference between 2 pole structure and 4 pole structure in transformer yard

5959

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please send previous exams question papers

1770

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