What is megering????

2 Answers  

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if the neutral and ground of ups voltege are connected together in the source itslef then why the voltege b/w neutral and ground comes positive in some other destination inspite of having earth pit. how can we mimmise this?

1 Answers   MPL,

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what are the different types of terminal lugs used for wiring termination?

5 Answers   Yokogawa,

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i want to find out iffco get test paper

2 Answers   IFFCO,

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what is the tempareture conpensation?what is the use of this?

1 Answers  

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State some of balance principle’ advantages?

0 Answers  

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What is the difference between modbus,fieldbus & profibus

0 Answers   NSL,

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, Instrument Index, P&ID review, I/O schedule, datasheet, DCS / Analyzers specifications, loop diagrams, hook-up drawings.

0 Answers  

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WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN

0 Answers  

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What is the use of +/- 20ma in analog measurement,and which instrument gives +/-20ma output

1 Answers  

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What is loop or pigtail in an impulse line?

8 Answers   Qatar Airlines, Qatar Petroleums,

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what is the difference between sinking and sourcing inputs and also what are there applications?

2 Answers  

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