Close loop and open loop diagram for instrumentation

1 Answers   Petron ltd,

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Explain about safety integrated level protection? . How it was differ from other protections ?

0 Answers  

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LADDER LOGIC Can any body state Logic on following condition Instructions to use 1-XIC 2-XIO 3-Output ONLY Program Push 1st button On - 1st lamp should On Then Push 1st button Off - 1st Lamp Should remain on Push 2nd button On - 1st lamp should Off and 2nd lamp should On Then Push 2nd button Off - 2nd Lamp Should remain on.

4 Answers  

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I am using Capacitive type level transmitter for measuring oil level in a closed tank (lub oil tank). The txs range is 1500mm, and they do hunt regularly (for about 45mm), can anybody tell what could be the reason??? or any other type level tx that could be used to avoid this?

1 Answers  

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How to calibrate the magnetic flow meter and how to correct the flow if it is showing more flow.

5 Answers   Bohra Industries Limited, TCL,

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for oil & gas industries which zone is normally preferred? why? give its example?

0 Answers  

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sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers

0 Answers  

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what is the difference between auto tuning and manual tuning of controllers(eg:PID,PI,PD CONTROLLERS )

2 Answers   GATE,

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What is maintenance planning?

3 Answers   Qatar Airlines,

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What is the use of temperature compensation?

0 Answers  

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How to work DCS? how to get the signal from Field Instruemtns to PIB to Console?

2 Answers   Alstom, Invensys,

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Explain plc level and its type?

0 Answers  

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