Any can guide for QA/QC Inspector in oil & gas region, the
procedures, formats standards, design criteria, i search in
all enginees but i can't found wat i need?????????
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Answer Posted / najmul arfin
whts the diffrant b/w zero pressure andobsolute prassure
| Is This Answer Correct ? | 23 Yes | 8 No |
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I have completed B.E. Instrumentation & control in 2009. i have 3 year industrial job experience in chemical plant.now, I want to join M.E. in external. so, Plese say easiet way and good institute name.
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A DP transmitter is used to measure the level of an open tank. The drain line of the tank is connected to a control valve, and is configured as, if the level of the tank is 90% the valve should get open 10%. And if the tank level is 10%, the valve should get open 90%. Draw wiring diagram and explain how to configure DP transmitter and control valve using HART communicator. If the span error at output is 1%, what will be the %opening of the control valve at 60% level of the tank?
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