In control engg. : Differences b/w 1st order & 2nd order system, graphically & theoretically ?

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What is T4 temperature in compressor?

1 Answers  

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tell how to calibrate a magnetic flow tx, vortex flow tx,dp flow tx,nozzle flow tx and venturi flow tx?

2 Answers   TATA,

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Where are oxygen analysers installed in cfbc boilers? What are their usual readings?

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how can we measure the pressure in underground cooling water pipeline by using pressure transmitter?what about the tapping position?

2 Answers  

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how pressurize drum calibrated ?

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How vortex sensor used for steam flow measurment can be checked on line i.e without taking out from process line.

0 Answers   Heisco,

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what is a device net.

1 Answers  

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what is the procedure to callibrate temp controller ,pressure controller,etc. suppose a temp controller showing error 1.5 degree centigrate how can i minimize it.

0 Answers   Sabic, Saudi Aramco Shell Refinery Company SASREF,

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How to make position transmitter feedback reverse i.e at valve close i want 20ma output and at full open 4ma.for the NELES positioner,model:ND8261/TS1.

3 Answers  

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how to calculate signal cable sizing? and multipair cable sizing??explain in brief?

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What is the difference between HMI and SCADA?

2 Answers  

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