Answer / prabhakar jha

duty cycle is a torque vs time veriation..generally we r using 10 duty cycle.

why we use circuit breakers for switching instead of normal switching device?

0 Answers  

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how squirrel cage & slip ring motor works? how they differ from each other

1 Answers  

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Which type of drive is advantageous AC or DC and why?

5 Answers  

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Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter possible?is there any calculation ?

4 Answers  

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What will happen if 40W and 60W Bulb is Connected in Series.

2 Answers  

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In our domestic single phase line if you don't have a ground connection (earthing)how will you separately use earth in a specific power supply board.

1 Answers  

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resistance switching is used in case of- ? a. air blast CB b. bulk oil CB c. minimum oil CB d. all types of CB

4 Answers   HCL, SSC,

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what is the difference between arc and spark

2 Answers   ABB, Jindal,

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What is the difference between voltages or potential difference? And what are they?

0 Answers  

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how to save the power?

2 Answers  

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why in generating station generation voltage is 11 kv

1 Answers   L&T, Usha Martin,

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phase association of 3PH L&T static CT meter is wrong. means 1PH & 1 CT connected properly and other 2 voltage and CT's inter changed. what would be the impact in the reading?

3 Answers   KSEB,

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