Answer / mjv

yes..it is possible but due to new hole, we have to cover it
with EExd gland plug..

Answer / jiwan jain

No, because it will violate the certification, which is
provided with a acertain number of entries only.

why we use 24 vdc in instruments mostly?

2 Answers  

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1. How many output signals do wew have in process control? 2. Could you write down the names of the pre-commissioning and commissioning stage test instruments and explain them (more than 5 items)? 3. What is the first step to commission a transmitter on service? 4. What is RTD? 5. Find the output value in MA of a temperature transmitter (RTD Type) at 120degree celius? 6. What is the O/P signal of a pneumatic transmitter? 7. What is the O/P signal of an elctronic transmitter? 8. What is the close loop and open loon?

4 Answers  

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please any body have most important data for study for saudi aramco test of instrument QC thanks email shahnaveedullah@gmail.com

0 Answers  

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For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

0 Answers  

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What is difference between reset and initialization in industrial automation?

1 Answers   Marafiq,

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The pressure class rating (such as 150 lb, 300 lb, etc.) of a line appears in the form of ________________ in the Line Number (or Line Designation) on a P&ID

1 Answers  

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

1 Answers   Bapco Bahrain Petroleum Company,

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How to check vortex flow meter is in good condition while we do not having calibration setup?

4 Answers  

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why we use only 4 to 20ma other than 0 to 16 ma

5 Answers   Invensys, Systech,

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While preparing the graphic diagrams trend display, 3 types of trends are prepared by Yokogawa system vender. These are for process variable, manipulated variable & set point variable. Why these 3 trends are required? Explain the purpose of these 3 trends.

1 Answers  

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I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

0 Answers  

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what is diffrence between cascade & three element system.

3 Answers  

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