List three types Level Gauges with their working principles

0 Answers   ABB,

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What is the Difference between PE,IE and ISE

2 Answers  

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Why we use 3-15 psi air for control valve input?

2 Answers  

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What is ALSPA 370 control system

1 Answers   DUBAL-Dubai Aluminium,

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What is cut off relay? And why use in PLC and DCS?

0 Answers  

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Explain about signal isolator

1 Answers   TCS,

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HOW TO CONVERT 0-60KG/CM2 PRESSURE TRANSMITTER TO A LEVEL TRANSMITTER? CAN WE ABLE TO DO IT? IF YES HOW TO DO IT BY USING HART?

3 Answers  

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a laways iface problem with brine level transmitter sealing diaphram a laways giving error and maximum reading i made re range and adjust with side glass but during commission it giving gap reading between it and side glass i need help from expert to explain how to calibrate it. note:dp transmitter yokogawa company

1 Answers  

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i have an interview in Qatar Petroleum. So please provide the all details abt fire & gas systems

1 Answers   Qatar Petroleums,

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what is function of switch, and how is it work, explain with difination

0 Answers   Bapco Bahrain Petroleum Company,

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which type signal in & out in dcs

4 Answers  

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we callculat main steam flow by D.P. but where is H.P. & L.P. IN Orfics?

3 Answers  

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