Answer / tarique

zirconia type

Answer / jitendra chauhan

oxygen analyser is a paramagnetic type analyser. A magnetic field generated and sample line given to the reference line in an analyser. When difference type of oxygen sample entered on sample line. A current generated due to changes of magnetic field.

What is the function of solenoid valve in on/off & shutdown valve and why it is not used in control valve normally?

0 Answers  

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Differentiate between PLC, SCADA and DCS systems

1 Answers   Mumias Sugar, SRF, Trimula Industries,

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We have a Yokogawa Micro-XL DCS, which is having around 300 I/O, but whenever there is any wire gets grounded in field, the 24v supply to all loops gets dipped & all the indications at DCS goes to IOP(shows input open), at present we have fixed 500mA fuses in all the lines but which does not working. Does it required to replace with lower amps fuse, then how much or is there any other solution for this.

2 Answers  

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Define magnetic flow meter and mass flow meter.

1 Answers   Ramco,

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I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

0 Answers  

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how we can calibrate an Interface level transmitter online

2 Answers   L&T,

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what is the input to be given in digital flow meter during the the calibration time?

0 Answers   ONGC,

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in my plant 100% feedwater control v/v is air to close but due to instrument air fail,the valve opens but instead of drum level high its get tripped in low low drum level.the urv of level tx is 0 and lrv is -800.pls tell me the reason. for such behaviour.

1 Answers   Sirpur Paper Mill,

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WHY WE NOT USE 2-20mA,1-20mA,3-20mA or 10-50mA SIGNAL? INSTEAD OF 4-20mA.

6 Answers   Hindustan Unilever Limited, Yashmun Engineers,

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how to know power plant process with corresbonding laws&thoeries

1 Answers   Bhel,

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How to do calibration of magnetic flowmeter

1 Answers   Kharafi National,

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If a transmitter is installed 10 m below its tapping point how much pressure exerted if fluid is water?

10 Answers   QAFCO,

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