How do we MEASURE OR CALCULATE VELOCITY used to calculate REYNOLDS NUMBER??

3 Answers  

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What is the difference between HMI and Scada?

4 Answers   Schneider,

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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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How to calculate the Range of level transmitter ?

1 Answers   CPCL, Sejong, SSPL,

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What is the absolute temperature

2 Answers  

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please give me the syllabus and sample questions if possible for Instrumentation for Vizag Steel plant MT (Trainee) 2009 exam

1 Answers   Pedvak, Steel Plant, Vizag Steel,

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what is intools software

2 Answers  

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what is meant by Valve reversibility?

2 Answers  

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How do you troubleshoot accelerometers used in Vibration monitoring/tripping

1 Answers   Air Liquide,

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IS there any effect of vortex in low pressure side of the transmiter after the orific in feed water line? if yes then what is the calculation?

0 Answers  

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how to online calibration of remote seal tx.

0 Answers  

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Exapain Deatails of the PID controlller

4 Answers  

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