Answer Posted / thiyaarajan

While meaasuring PV it if goes below or above set point
alarm will be generated. Then if PV reaches set point the
alarm will reset. but if the PV fluctuates then to avoid
frequent alarm we have to give some % for the alarm to
reset. That % is called as Deab band value.

Calibration procedure for Electro magnetic Flow meter

4468

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Decibel.

2533

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What are the types of control valves available

2083

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Meaning of the following a. IOP- Manimum; b. IOP- Maximu,;

2162

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IS there any effect of vortex in low pressure side of the transmiter after the orific in feed water line? if yes then what is the calculation?

2384

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1.can you use SCADA instead of DCS,DCS instead SCADA 2.Difference between DCS and PLC,can their role be reversed i.e. role interchange 3.Difference between RTU and PLC

2569

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What is instrumentation control?

1131

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What is frequency factor in massflow meter? When using frequency output?

1839

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What is the use of double seated valve?

1291

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I WANT SECURITY PAPER MILL, HOSHANGABAD TEST PAPER.KINDLY SEND TO MY MAIL ID

2777

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we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.

2594

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How to regulate the flow of Air in 4" line, with max flow of 330 nm3/hr and Pressure of 0.5 bar? please suggest the type of instrument required.

1483

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I faced several time siemens ps2 positioner automatically getting Chang in it's set point direction after auto calibration  So is there any causes biside this or  any  permissives ?

1836

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䑰ҕ䔈ҕ䖠ҕ䘰ҕ䛀ҕ䝐ҕ䟐ҕ䢐ҕ䥐ҕŹ

1942

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what is o2 analyzer and how it measured ,what is the role of this analyzer in cfbc boiler...

2000

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