Answer / prem

accelero meter or displacement meter works on maintaining particular gap voltage. as long as gap voltage is adjusted and maintained in between -9 to -11 vdc. sensors are in healthy condition. If the sensors moved then positioned alarms will be available in HMI and its start permissive in most of the cases.

Explain the usage of the PLC system?

3 Answers  

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which instrument is most commonly used to observe the external features of a grasshopper's abdomen?

1 Answers  

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Basic working principle of control valves

1 Answers  

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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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I saw one P&ID 6" control valve has been connected with 8" process line, and 2" valve also connected in parallel with 6" valve. why the 2" valve connected in parallel, Is there any technical reason. please clarify. With Regards-Kittu

5 Answers   GNFC,

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Hi all, I am Mohamed from Algeria, I'm a senior Technician qualified in instrumentation. I work in an international petroleum and gas company (SONATRACH: Separation of associated gas from crude oil. Production of condensate, LPG and re-injection of dry gas) within the regulation & Control instrumentation department.I am interested for working in Qatar Petrochemical Company (QAPCO) in Qatar.Now,I am seeking a position, which is an opportunity for me to put my experience to good use and actually participate in running on this company. So, Can anyone help how to contact this company? Thanks Mohamed, mahad8331@gmail.com

1 Answers  

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what is the hydra step level sensor output value( measuring level of steam drum)

3 Answers   Adani, ITPS,

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Guy's need your support,I want to measure closed tank level which is under vacuum -630mmHg using DP Transmitter, tank fluid density 1.38, Tank height is 7ft

4 Answers   icl,

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What is safety barrier and how it is work

2 Answers   IOCL,

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what is function test.

1 Answers   Takreer,

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in transmiters(rose mount) how to check output 4-20ma ? and input 24v? i need exact explanation?

2 Answers   Adhunik,

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transmitter in 3 connection +,-,And test mode so how Use To Test Mode

1 Answers   Essar,

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