Answer / manomallik11

positioner sets the controlvalve stem % open or % close as per command and the position transmitter sends the feedback of % open or % close in control valve to the dcs

Answer / faiyaz ahmad

Positioner is device which is used to given the position of the control valve 25% 50% 75% 100% and Transmitter is send the feed back signal to the DCS.

what is the imbustion control loop

0 Answers   Manali Sugars,

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what is the difference between SCADA and DCS?

5 Answers   ACC,

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What is the relationship between the universal gravitational constant (G) and the acceleration due to gravity (g)?

3 Answers   APPSC,

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when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

2 Answers  

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hye SAM acn u send your e mail id, so that i can solve my query through e mail?

0 Answers  

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Explain Split Range Control In Control Valve Briefly.

5 Answers  

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what is control valve and how is work

5 Answers   Descon,

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A pressure transmitter with a range of 0-100 bar.The accuracy of the instrument is 1% of upper range value? The pressure indicating transmitter is showing the system pressure is 50 bar. b. When you include the error, what is the minimum possible pressure in our fuel gas system? i. 49.5 bar ii. 49 bar iii. 1 bar iv. 0.5 bar We want to change the filter cartridge. We must depressure the fuel gas system. c. After we depressure the system in preparation for maintenance, the transmitter displays a pressure of +0.1 bar. At this time, what is the possible range of pressures in our fuel system? i. +0.099 to +0.101 bar ii. 0 to +0.2 bar iii. -0.1 to +0.3 bar iv. -0.9 to +1.1 bar

3 Answers  

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With N nodes and B branches what will have a network ???

0 Answers   BSNL,

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how do calibrate the valves.. with clear manual

0 Answers   Essar,

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What is force balance principle? State some of its’ advantages.

0 Answers  

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EXPLAIN SOME IMP QUESTIONS AND ANSWERS ON TOPIC ELECTRONICS,INSTRUMENTATION.........

1 Answers   ONGC,

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