Answer / faiyaz

Foundation field bus is communication protocol which is used to communicate between Process instrument and DCS in a single pair cable using a more instrument

why direct mounted pressure transmitters is always installed with DBB ( double bleed block) valve in process line or top of the tanks ?

0 Answers  

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DCS marshilling Cabinet Power supply can be replace during plant running time?

1 Answers  

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What is Square Root Extractor for?

9 Answers   Sabic,

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Why we are using 4-20 mA as Analog signal transmission other than 3 to 19 or 2 to 18 or 6 to 22 like wise ? What is the reason behind using 4 & 20 mA? Can anyone give proper technical reply ?

5 Answers   Air Liquide,

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why we are using magnet for calibration of gas detector?

0 Answers   NSH,

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which type signal in & out in dcs

4 Answers  

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In a class of 150 students, 40 passed in Social Studies, 90 passed in Science and 30 failed in both the subjects. vi)How many students passed in at most one subject among Science and Social Science?

7 Answers   CAT, CGI, Cipla, KHK, Visa,

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what is the differnce betweeen hart and smart tx

3 Answers  

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What is first echo & echo window in radar type level transmitter?

0 Answers  

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what is electric motorised valve working principle.

1 Answers  

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Why we use 4 - 20 ma?

6 Answers   IJT, ONGC,

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What is duty of as-built engineer.

2 Answers   Sofcon,

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