Answer / jits_patel2002

ALSPA is the ALSTOM make DCS system..... which is used in the power industries 

Explain the functions of the CPU of a PLC.

1 Answers  

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components of control circuit belongs to control valve

0 Answers   KOC,

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What is open loop and close loop?

4 Answers   L&T, Pearl Distillery,

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Dead weight tester & comparator for calibration , which is more accurate , what is the application.

1 Answers   Bapco Bahrain Petroleum Company,

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the square root type transmitter r used to which applications

4 Answers   Roche,

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how to commission furnace ( water heater)

0 Answers   Petrofac,

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What are the different type of instrument used in cement industry with uses

2 Answers   Lafarge,

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In control valve there are two type of valve seat we can use metal to metal seat & soft seat.On this valve seat i have following doubt. 1)I have never seen practically the internal assembly of valve so my doubt is that basically weather the seat is soft seat or metal its basic MOC is same as valve body(SS or CS) only in soft seat we are using PTFE ring & place on valve seat & in metal this PTFE ring is not threr am i correct??????? 2)what are the common general rule for using metal to metal seat & soft seat,means its depend on process parameter like liquid,gas, steam & on valve leakage class.

1 Answers  

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What is the Differance between Graphics And SCADA Graphics? SCADA Graphics have less access?

3 Answers   Honeywell, Thermax,

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Q- voltage source of 12v is driving the circuit.if circut draw the current of 0.5A them source voltage will became 11.8v.what is the power dilevered by source when circuit draw 5A current ?

4 Answers   Ecil,

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What is transmitter

2 Answers   GNFC, QNFS,

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What is NODE in DCS?

2 Answers  

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