Answer / gagandeep garg

While transmitting the signal the concept of active and
live zero is used.Generally 1V to 5V is standerd signal
range.voltmeter will read 1v when input to the system is
minimum (active zero)and voltmeter will read 0V when wire
is disconnected.Hence troubleshouting becomes easy.

Answer / abdul shukur

Defective Instrument Voltage regulator

Answer / rawjaw

Hello ogagandeep.. Can we
say that it indicates ckt open?

square root calculation for dp flow transmitter? give me a explanation with example

3 Answers  

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How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?

0 Answers  

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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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What is the function of positioner in control valves? does the control valve operate without positioner?

3 Answers   Hofincons,

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which one is best profibus or RS485 for communication?

2 Answers   Honeywell,

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Why using negative voltage in vibration measurement?

2 Answers  

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Draw a 3 element level control loop and explain

1 Answers   CCIE,

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what is the working principle of ABB gas analyser of kiln in cement industries

4 Answers  

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Describe the functions of the Operator Interface including the considerations related to alarming and display layout/configuration/layers.

0 Answers  

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what is the standard controll pressure

1 Answers  

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how to calculate interface capelary level transmetar lower S.G.0.54 and uper S.G. 0.26 and h=490 mm

3 Answers  

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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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