Answer / sivaram

To maintain the PV out put related with two different process
then out put should be split Ex:-Steam turbine Hot well level
control 1) PV: Hot well level 2)split out put1:inc to dec
action 3)Split out put2:Inc to Inc action ,and valves also
designed reverse action.

what is Dry Leg calibration and where is it used

1 Answers   Petrofac,

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how u calculate ai/di/ao/do capacity in ur dcs?

1 Answers  

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Describe how to use megger to measure the earth resistance and insulation resistance

0 Answers  

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The document / drawing that is primarily used in depicting the “Bill of Materials (BOM)” of piping system is the

2 Answers  

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how to calibrate the radar transmitter for measuring the exact tank level if tank is having agitator moving continiously because due to agitator tank surface level will vary every time.

2 Answers  

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HOW TO CHOOSE FREAQUENCY IN FMCW TYPE RADAR INSTRUMENTS. DESIGN BASIS OR DESIGN CALCULATONS ?

0 Answers   Chevron,

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Please any one can explain how to calibrate transmitter (smart) online with out remove from the container suppose it is interface level or static pressure level measurement we dont want to remove transmitter from the container mean it is running plant please give me detail. thankx brothers

1 Answers   KNPC,

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I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.

0 Answers   JSW,

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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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how to draw a flowchart for swapping two numbers using bit wise operators?

1 Answers  

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Why three wire is using with a RTD?

3 Answers   ABB, MAHINDRA,

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Coal mill Instruments Equipments for cement plant And process diagram ?

0 Answers  

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