what is hot loop check and cold loop check.

3 Answers   Bapco Bahrain Petroleum Company,

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what is full form of SMART

46 Answers   Infosys, ITC Infotech, Lanco, Rosemount, Solvay,

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what is difference between fork type and capacitance type level switch. where it is using

0 Answers  

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If the Barrier Fails during online then What will be the control valve position in field or Positioner action in the field.

3 Answers  

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Differentiate between ultrasonic flowmeter and radar type flow meter

0 Answers  

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what is coriolis principle for mass flowmeter?

5 Answers   ABB,

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Distributed control system

1 Answers   CCIE,

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what is Instrumentation?

5 Answers   RCL, TCS,

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plz send me general of ongc

0 Answers   ONGC,

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how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.

0 Answers  

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why vortex flow meters and electro magnet flow meters are used in water treatment plants

1 Answers   Elite Construction,

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If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , then it will reaches again 50%, this type of action occured frequntly.. so what to do for solve this problem. The possible cause is in volume booster or positioner's relay.. positioner is double acting .. and make siemens..sipart.The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?

2 Answers   Gujarat Fluorochemicals Limited (GFL), Shell,

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