Answer / saqib

Silicon oil

Answer / p.nageswara rao

MERCURY FILLED

suppose, after calibrating a transmitter we fixed it in a process line. At live zero condition the Tx shows 4.5 mA. what should we do to make the Tx show 4 mA? If we adjust zero, will it not affect the calibration?

4 Answers   ABG Shipyard,

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why we are using drum level control valve air to close?

0 Answers  

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why we used for range in pnumatic 3-15 psi and current 4-20 ma?

11 Answers   Jindal,

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what is the deference bitween DCS and PLC SCADA HMI System for Power Process Industry.

1 Answers   UltraTech,

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I have applied the post Junior Engineer-(TM)in R.R.B CHANDIGARH recently . what type of question i have to practice and which book ?. can i get any model question paper?

3 Answers   RRB,

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calibration of instruments.

11 Answers   ONGC,

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why 4 to 20 ma? why cant some other range?

3 Answers  

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give me all the details about the interview and which type of question being asked

0 Answers   Jindal,

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In 16' pipeline one pcv is installed which is controlled by PT installed at inlet of PCV.If Flowrate in pipeline increases what will happen to pressure at the inlet of pcv.

5 Answers   Essar, vssc,

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What is difference between differential pressure & delta pressure?

0 Answers  

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What is the right procedure for adjusting the gap voltage of bently nevada vibration sensor?

2 Answers  

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i have an interview in Qatar Petroleum. So please provide the all details abt fire & gas systems

1 Answers   Qatar Petroleums,

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