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What is the difference between Surge protection device and Lighting arrester?

6 Answers  

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could any one explain me what power factor and where it is use ful

3 Answers  

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how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage. note--it is tested with 5000 kv megger and insulation resistance is 0.05 M ohm. and some time 0.03 M ohm comes.

0 Answers   OPS,

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How to select the different contactors ( starter combination) for different AC motors? what about fuse cappacity 4 different motors too?

2 Answers   Equate,

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What is mean A32 B32 C32 D32 in mcb(miniature circuit breaker)

2 Answers  

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what is the advantage of pwm pulse compare to squarewave pulse.

2 Answers  

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what is power factor ?

12 Answers   KSEB,

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What is the work of ACCP in LT panel?

5 Answers   Juniper Networks,

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what is metering cum synchronizing panel and how it is used?

0 Answers   Wipro,

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What type of a DC motor would you use for a lift?

0 Answers   GE,

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What is the difference between MCCB & ACB Where it can be used

5 Answers  

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What Is Connection APFC Panel In Compony.

0 Answers  

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