how we can find out the speed of fan without using any measuring instrument

2 Answers  

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A jet of fluid strikes a plate What was the force required to counter it?

0 Answers  

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What happen if we re-start H.T motor whose rotor is running at 40% rated speed. Is it will damage motor winding?

1 Answers  

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What is meant by sag?

0 Answers  

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What is potientiometer.What is the use of it.

1 Answers  

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What is the difference between earthed and unearthed power cable.

1 Answers  

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aeroline vibration is present

1 Answers   DVC,

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define reactive power?

3 Answers   Alstom, TATA, TCS,

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what is the difference between star and delta connection ? when we use each one ?what is the best ?

14 Answers   Amara Raja, Daikin,

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In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc

0 Answers  

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1 ph induction motor winding priniple and connection diagram?Similarly for 3 ph induction motor?Full description

0 Answers  

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what is a power factor?

0 Answers   MPWU Kiribati, Thermo,

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