What is Automatic Voltage regulator(AVR)?

6 Answers   Cummins,

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What is Fan Coil Unit . How can we calculate CFM .

3 Answers  

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why do some transmission towers have two insulators at one side and three insulators at the other side

2 Answers  

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which type of questions asking for solar companies?

0 Answers   GE,

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WHY THE FREQUENCY IS 50 HZ IN INDIA.CAN WE USE SOME OTHER FREQUENCY.IF SO WHAT IS THE RANGE AND WHAT WILL BE THE EFFECT IN PRESENT POWER SYSTEM IF WE CHANGE THE FREQUENCY AS YOU SUGGEST ?

32 Answers   L&T, MCL,

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what is an isolation transformer??? what is its purpose??? what happens if it is not used where it should be used?????

2 Answers  

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why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

0 Answers   HCL,

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what type of relay has to be used for tripping the circuit from mains when a fault occur in a machine

3 Answers  

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How does a star connection and delta connection work? How does the star connection save starting current and how does it change to delta?

3 Answers  

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what is meant by negative half cycle

2 Answers  

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what is the different betweem earthing and neutral?

8 Answers  

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how to calculate the no load current in transformer?

0 Answers  

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