WHAT IS D/O D/I AND A/O A/I PLZ EXPLAIN

2 Answers  

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Explain bernoulli’s theorem. State its application.

0 Answers  

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why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.

0 Answers   ONGC,

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How to gennerate earth leakage monitoring alarm for solenoid valves in control system?

2 Answers  

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what is RTV function in in process control?

0 Answers   Colgate,

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What are difference between automatic and manual control system?

5 Answers  

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what is plc? Basic function of plc? application of plc in industry? What is lader diagram ? What is the main advantage to use plc in industry?

15 Answers   Schlumberger,

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what is the difference between Digital output DO signals /Commands for start/stop and Solenoid valves ??

1 Answers  

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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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hi! i want to know about mpse exam.

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Positioner usage.

0 Answers   CCIE,

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different between calibration range and instrument range ?

2 Answers  

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