State the frequency for rc phase shift oscillator?

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while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

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what is FS cable?? Difference between FS and FRLS??

1 Answers   Multivista Global,

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What is meant by the KA-rating of a circuit breaker? In this regard, discuss the stresses experienced by the circuit breakers

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what is the UPS

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what should be the BDV value Of 11/132kv power transformer

3 Answers  

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WHERE IS THE LIGHTING ARRESTER SHOULD BE PLACED IN DISTRIBUTION LINES?

6 Answers   Bhel,

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ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

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How can i check a relay good or not?

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What will happend if given Vfd out put to step up transformer

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What is a charge.?

4 Answers  

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It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.

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