what is difference between earth and ground?/

3 Answers   Sree Rayalseema Green Energy Limited SRGEL,

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What is meant by IP55 motor.Where it is used?

2 Answers   Zuari,

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how to get 48 V DC I have ... 1. 12 volt power supply board 2. DC power supply ( max. 30 v) 3. 9 volt batteries ( 2 - not chargeble)

2 Answers  

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Mention what are the different colors on wires indicates?

0 Answers  

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Difference between induction motor and synchronous motor? i Think Synchronous motors operate at synchronous speed (RPM=120f/p) while induction motors operate at less than synchronous speed (RPM=120f/p – slip). Slip is nearly zero at zero load torque and increases as load torque increases am a right pls guide & send Other Comments

5 Answers   Jindal,

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it is possible to run 130V AC and 230 V AC cables run in same tray

2 Answers  

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what is phase voltage phase current line current and their usage? provide diagram

1 Answers  

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why fractional pitch winding generally used in alternators?

0 Answers   TATA,

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hello... i am preparing for GET. please send me previous papers..

1 Answers  

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can transformer of different kvas be paralled

2 Answers  

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what is the power factor

13 Answers   Heidelberge Cement,

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what is the clear formula to calculate cable size for a load

0 Answers   TCS,

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