Answer / niyaj

PLC is a control device .It Should not monitoring the
process.and SCADA is graphical monitoring device it should
not process any control activities.SCADA interface with PLC
for real time Control & Monitoring purpose.

how do you test tachos and servos

0 Answers  

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1)What will happen when 240 VDC supply is connected to 240VAC supply(DC supply +ve is connected to phase of AC supply & DC supply is to neutral of AC supply). 2)Also what will happen when 240 VDC supply is connected to 240 VAC supply in reverse polarity as of Sr. No 1.

2 Answers  

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Proviiding the Dedicated N earth and individual Body Earths ,Finally these all looped /Now my Question :- will it not harm in case of Transformer Fault current flows in Dediacted N Earthing to Looped Body Earthing.

0 Answers  

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with 3 phase board on a 63 amp rcd is it ok to have 6 electrical showers 2 on each phase and what problems could happen

0 Answers  

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Does increase or decrease of reactive load affects the Voltage.

5 Answers   Nalco,

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High Voltage out door substation-annual maintenance, things to be considered

1 Answers  

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why occ characteristics curve in not tracing back when we are bringing back the rhoestat?

0 Answers  

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what will happen if the frequency supplied is more than the frequency of the instrument...?

3 Answers  

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sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan

0 Answers   IOCL,

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WHTA IS LIMT OF LEAKGE CURRENT OF 11 KV 1 CORE 1000SQ.MM. XLPE CABLE.LOAD ON CABLE IS AROUND 600AMP .LENGTH 500 MTRS.

0 Answers   L&T,

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what is a relation of energy in electromagetic field

1 Answers  

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In power point wiring,often,we use less size of earth wire compared to phase & neutral wire and we use big size pin in pug top. how is it justified? can we use small size cable for earthing?

3 Answers   HAL,

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