what is corrective maintenance , explain with difination

1 Answers   Bapco Bahrain Petroleum Company,

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I saw one P&ID 6" control valve has been connected with 8" process line, and 2" valve also connected in parallel with 6" valve. why the 2" valve connected in parallel, Is there any technical reason. please clarify. With Regards-Kittu

5 Answers   GNFC,

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what is the difference b/w normal thermocouple and skin type thermocouple?

1 Answers   Heisco,

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What is the use of valve positioner?

1 Answers   CCIE,

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How to Calibrate Level Troll in field

0 Answers  

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Which type of pressure can be measured by these elements?

0 Answers  

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Explain bernoulli’s theorem.

0 Answers  

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what is the difference between mmhg & mmwc?. i want to calibrate a transmitter in the range of -100 to 300 mmwc. Which is the reference for calibrate the Tx,if mmwc not available?. Is it mmhg or mmho2?.

3 Answers   UPL,

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What are different types of orifice plates? State their uses.

0 Answers  

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Why do we use 24V DC supply in instrumentation? What are its merits and demerits??

1 Answers   JSW, MJPRU,

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How to do ma trim in massflow meter?

2 Answers   Pakistan Steel,

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Meaning of the following a. IOP- Manimum; b. IOP- Maximu,;

0 Answers  

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