why we are using ungrounded RTD sensor and what is difference between grounded RTD and Ungrounded?

1 Answers  

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what is the analog input , analog output , digital output, digital input geven to the MSSV , CBD, IBD , START UP VENT , BOILER FEED PUMP , AOP, CEP , ETC

1 Answers   Bharat Biotech, TATA,

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If any control valve create hunting problem, what is the possible reason and solution?

6 Answers  

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In a ball valve which require 24v dc supply to operate, whose solenoid valve doesn't have any + or - indication, how can we make wiring connectionto solenoid valve?

1 Answers   Process Control Technologies,

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Why Differential pressure transmitter is located below the tappings points for steam & condensible vapor flow measurement application?

2 Answers  

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What is mean by ATEX?

1 Answers  

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1.what is beta in control valves? 2.what is the condition followed by light in LASERs? 3.1kg/cm2=?psi 4.Integral action reduces what? 5.about vena contracta 6.a simple RC circuit 7.thermistor material's temp coefficient of resistance 8.if wave passes through the thicker area of a chord to a thinner area what changes will occur to wavelength? 9.if 4-20 mA represents 0-10 kg/cm2 what will be the current when pressure is 5 kg/cm2.................

0 Answers   Lurgi,

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when an eddy current probe is installed inside of a turbine or compressor in case of probe problem same as:crash of head of probe,changing the scale factor because of low measuring gap(physical gap is ok(example=1.14mm)but voltage is reduced(example=-6 volts),is any way to check the probe,when the ohm of probe is ok.thank you,(Karim Tavakoli)

1 Answers  

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how eddy current loss in probe and induced gap voltage accros probe trip and shaft

1 Answers   Reliance,

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If boiler drum level transmitter is not working properly what you will do for resolving the problem in plant running condition?

2 Answers  

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defffrence between instruments and instrumentation

8 Answers  

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What is the IEC Standard for PLC I/O Terminal wiring Procedure?

1 Answers  

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