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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where cascade loop use ?

0 Answers   KNPC, KOC,

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What is two wire system and how it work

2 Answers   Bhel, IFFCO,

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WHAT REASEAN USE TRANSMETER TWO WIRE & FOUR WIRE

5 Answers   Kentz,

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explain how magnetic flowmeter works

1 Answers  

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What is passive connection of instrument in different types of IO module?

2 Answers  

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please tell no. & add. of consultancy who recruit me in power plant as instrumen engg. present i m working in power plant as ass.t instrument engg. thanku mahesh 09226562826

0 Answers  

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Please explain for RS 485 & RS 232 communication

1 Answers   Honeywell,

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Hi, Is there any smart plant instrumentation design training institute in Bangalore?

0 Answers  

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What is rtd output signal

4 Answers   Nestle,

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How to calibrate the control valve.

1 Answers  

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what is diff between sensors and transducers.explain with ex?

15 Answers  

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