How you calibrate absolute pressure with the calibration range of 0 to 1000 0C Absolute. Please explain the procedure for calibration.

0 Answers   Petro Rabigh,

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In dcs contol valve parameters showing like this Gain=1 or 2 , ti=7 sec, td=20sec. But temp,pressure,level control valves we are using in which type parameter side using ti,td clearly tell me

1 Answers  

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Where should we terminate the shield and why?

3 Answers   OPaL,

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what is the principal of operatio of dc motor

1 Answers  

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explain Cascade Control strategy with the help of a block diagram. also exlain its working in a distillation column

2 Answers   ABB, Sabic,

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How to connect another 24 volt dc power supply in circuit when previous power supply has become weak.what is the connection?

2 Answers   Bhole Baba Dairy Industries,

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What is the main three inputs of DCS?

1 Answers  

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Control valve Flow characteristic. How the equal percentege curve form?

5 Answers  

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Capacitance, resistance ( colour coding ), parallel & series circuits.

0 Answers   CCIE,

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What is force balance principle?

0 Answers  

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what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?

0 Answers   NTPC, PSU,

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what is formula mv convert to temperture

4 Answers   Sterlite,

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