During the design and engineering of a process plant, a good designer should plan for ____________, ___________ and ____________ aspects of the plant

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What is controller? What is transmitter?

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how can check the loopchecking for valves?

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i have used level transmitter in starch cooking preparation tank. tank total height 2mtr.sometime LT display shows some error value when tank is fully empty and diaphragm side i already checked okay no problem in diaphragm area. field cable checked 24volt and mA shows correct value while tank empty mA is 4mA. 4mA i needed that 0% but display showing 10% or 15% percentage values are varying continously please give any good solution for me.....

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how to define range of dp level xmeter in open tank

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i want to know the interview format fot gail, instrumentation. pls answer me in habib.sami1003@gmail.com

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How to work mass flow meter ?

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components of control circuit belongs to control valve

0 Answers   KOC,

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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.

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what is Mv with respect to temprature in thermocouple

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How to Calibrate Radar Level Transmitter in Field

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.how does CSADA systems display the process variable value?

2 Answers   Empower,

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