If we increase only P what will be controller action ?

0 Answers   IMECO,

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What are the questions asked in fresher instrumentation candidates

0 Answers   Polmon,

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can we control operation of PLC from operator station?

3 Answers  

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what is Analog input/output & Digital input/output,

2 Answers   Bapco Bahrain Petroleum Company,

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What is the function of positioner in control valves? does the control valve operate without positioner?

3 Answers   Hofincons,

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i have one temperature TX in my loop check time once i was remove elament temp gose maximum then i am conect corectly but still now temp showing maximum what can i do this problem?

2 Answers  

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Draw a complete P&ID of a flow suction tank indicating all control & protection equipment. Indicate all its inlets and outlets. Explain the controls for this system

0 Answers  

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how ranges is decided for drum level or dearator level,in my pplant i have seen for boiler drum range is -1000 to 1000mmwc, while for dearator -2000 to 0 mmwc ,why they decided to take this range ?

2 Answers  

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How we calculate orifice plat size???

0 Answers  

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what's the minimum level required of SIL (safety integrity level)to use fire and gas system?

2 Answers   L&T,

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y v r connecting 250 ohms resistor in series when u cummunicate with BT in bench calibration?

5 Answers  

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please tell me how maintainence person shifted to good epc company/design company

0 Answers  

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