temptrure me ketne frequiency hote hai

0 Answers   ME,

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What is 1:1 redundancy ?

0 Answers  

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whats the problem will arrise if we rotate the hosing screw of the differential pressure transmitter?

1 Answers  

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1. What means HART communicator / where it is used / how to use it? 2. Types of Thermocouples and its temperature ranges / output of thermocouple? 3. Types of RTDs and its temperature ranges / output of RTD? 4. Idea about Temperature Transmitters? 5. Difference between Analog and Digital signals? 6. Difference between “2 wire” and “4 wire” system / instruments? 7. Difference between “Potential” and “Potential free” contact? 8. Types of flow meters / transmitters? 9. Types of level transmitters? 10. Difference between “Power/Control” cable and “Instrument” cable? 11. What means “shield” and “screen” in cables / how it is useful? 12. Draw a schematic of closed loop circuit of flow / level / pressure / temperature? 13. Idea about calibration of Control valve / positioned / I/P? 14. How to bypass a digital/analog signal in PLC/DCS by hardwire and software?

6 Answers   JSL,

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Is there’s power on the bus (if so, state whether on the signal bus, or on a separate in the following: a) HART b) Profibus DP c) Profibus PA d) DeviceNet e) Foundation Fieldbus

1 Answers   EIT,

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send me HPCL paper

6 Answers   HPCL, Shuiba Hotel,

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Why we are using sqare root in flow?

4 Answers  

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how to work static pressure sensore how to work dpt

0 Answers  

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How to calibrate displacer type level transmitter (chemtrol make )for level measurement in hotwell , LP & HP heater ?

0 Answers   Matrix,

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What is the use of GMV in turbine?

0 Answers   Hamsco, Maruti Suzuki,

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what is interface level and how it is calibrate?

0 Answers  

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I want to know if flowrate increases in 16' pipe line what will happen to upstream pressure and why?

1 Answers  

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