what is the difference between active and passive loop ?

8 Answers  

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what is type of protocol used in instrument field to marshalling cabinet cabel. what is the differenance between bus cabel and instrument cabel?

1 Answers   Samsung,

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what is commissioning & pre commissioning , explain with difination

2 Answers   Bapco Bahrain Petroleum Company, Shell,

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1,why we use 4-20 ma output of all instrument qhy not use 0- 20, 2,what is the different between PLC & DCS. 3,how can we meaure maximum span of new flowmeter if not given any information.

4 Answers   Reliance,

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where can we use viberation transmitter,and how can we control viberation?

1 Answers   Maden,

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What materials are used in thermo wells?

0 Answers  

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Explain the usage of the PLC system?

3 Answers  

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how can we caliberate interface level troll

2 Answers   Grasim, IOCL, KOC, Sankyu,

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SIR MAY I KNOW IF RADAR TYPE LEVEL TRANSMITTER SHOWING IN THE FIELD 0 % LEVEL AND IN DCS SHOWING 100% THEN WHAT IS THE CAUSE I CLEAN THE CHAMBER & TAKEN ONLINE BUT ONLY ONCE ITS BECOME ZERO IN DCS BUT AGAIN 100% SHOWING IN DCS,THEN I REMOVE THE POWER SUPLLY AND CONNECT IT AGAIN .IS IT OK BUT STILL IN THE DCS ITS 100% AND ON THE DISPLAY ITS INITILAZIATION PLEASE HELP ME READRING THIS?

4 Answers  

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What is the difference between uv and ir scanners? and what is the workig principle of both

0 Answers  

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what is the electrical operation procedure for switching on 27.6MVA electric furnace.

0 Answers   Jindal,

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1)how can calibrate temperature transmitter? 2)how can calibrate flow transmitter? 3)how can calibrate level transmitter?

3 Answers   ccic, Emerson, JK Pharma, NIGC, Rockwell, UltraTech,

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