Answer / virendra

Air Ciruit breaker is the one in which the quenching is
happen in precense of air mean there is no other thing is
provided. In this breaker the opening in closing of contect
happen in natural autmospher & hence the are is produces ,
to quench this arc the arc chute is provided the same .

What is the difference between class0.1 and class 0.1s accuracy of current transformers

2 Answers  

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How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?

0 Answers  

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why ohmas low not sutable to transformer.

1 Answers  

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what will happen if we directly give supply to rotor of a induction motor?

1 Answers  

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the grid connection required for a 50 MegaWatt fotovoltaic powerplant is higher or lower than 35kv (high or medium tension)?

0 Answers  

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what is the difference b/c choke and ballast?

1 Answers  

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why there is a high voltage line in multiplication of 11?i.e.- -66kv,11,kv,22kv

4 Answers   Bhel,

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If we want to change a contactor of faulty one what are the conditions want to fullfil

0 Answers   Qatar Shell,

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what is potentiometer & rheostat

3 Answers  

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WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >

0 Answers  

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AC current is flowing in a wire in your home how can you measure it(name of the instrument)

24 Answers   NTPC, TCS,

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why the excitation is necessary to produce the reactive power

2 Answers  

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