Why a ballast and ignitor is required in MH and other lighting fixtures

2 Answers   Future Group,

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What is the diffrence between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?

1 Answers  

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why transformer rating in KVA ?

8 Answers   Bhel, TATA, Voltage,

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what is difference of electrical and electronics

6 Answers   SSIL,

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Is RTCC panel needs any control supply.

0 Answers   HPCL, Schneider,

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who to select a swicth fuse unit......?

2 Answers  

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what is importance of ka in mccb

2 Answers   ABB,

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what is the principal of star delta starter?

9 Answers  

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Can we convert off line transformer to on line transformer

0 Answers   NHPC,

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WHAT IS IEC? & WHAT IS BENEFIT TO PRODUCT FROM IEC?

0 Answers   BMC,

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what is the value of the earth resistance in mositure place

3 Answers   HCL,

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What is sink and source?

0 Answers  

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