WHAT IS RETARDATION TEST IN DC MACHINES?

4 Answers  

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differentiate between one way two gang switch & two way one gang switch, used in designing the loads of building.

1 Answers  

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1 HT service how many LT Service

1 Answers  

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while calculating the power absorbed by a resistor connected to the output of a half wave rectifier circuit should we use rms or average current? explain with reason.

1 Answers   Vedanta,

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what do you know about SERVOMOTOR

4 Answers  

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Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?

0 Answers  

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for a 33/11kv transformer, after step down what happens to the balance 22kv.

2 Answers  

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how to calculate the battery AH

0 Answers   Turbo,

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why we are used D.c. voltage in L.T.side or controling side.we can use UPS also ,in place d.c. voltage

5 Answers   ABB,

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what is the formula for calculation of sac?

4 Answers   TCS,

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What happens if the Capacitive Voltage Transformer Primary neutral is not earthed. There is a CVT between Transformer and source, and the CVT neutral of the transformer is not earthed, does it effect the transformer while charging or does it effect the transformer charging process.

1 Answers  

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What is the concept of voltage & current its relation?

5 Answers  

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