Answer Posted / seth

Change in process pressure, restriction in one of the
sensing lines, rapid change in temperature, noise in the
signal being returned to the source of indication. (Check
for noise in the shielding-blow down sensing lines-check if
the process media is at the correct operating temp.-make
sure the equalizer valve is closed and the sensing (hi and
lo) lines are open.

Give Detail information about plc,dcs,and scada system?

1710

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Tr. Wiring for calibration.

2035

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draw shematic diagram of c/v positioner(smart type)?

2200

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what is vibration a part of proceess variable? if vibration is a part variables then how we minimize the actual vibration on machine on load,? vision of instrumentation contrl plz ans me IPGDL interview question

1895

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How is PH sensor works ?

1946

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what will the sending unit in the fuel gauge utilizes?

1887

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What is instrumentation control?

1128

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Q-Explain the different load conditions that will produced different offset which may or may not be acceptable to thhe control function

2164

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What is the calibration procedure of Drum level transmitter if range is 0 to -400 mmh2o in lab?

2090

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Explain the use of hair spring in the pressure gauge.

1076

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what is the different between deflection type measurement and null type measurement in RTD?

1865

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Draw a P& ID showing – orifice flange, plate, dp transmitter, isolation & bypass valves and tubing.

1914

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Can any body help to get Rsemulator 5000 free from internet if possible then give me any link or any help .

2482

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Explain PID controller tuning & any one method used for it.

7770

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Sir,I am going to sit for IOCL written test exam. recently.Can anyone tell me the name of 'Objective type Question Book on Instrumentation Engineering ' which will help me. Pl. mail to bidyut_71@rediffmail.com / bidyut.saha2008@indiatimes.com / bidyut.saha09@yahoo.in

2054

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