Give me a simple formula to calculate the bore of orifice plate with datas avilable instead of BS 1040.I want to calculate the approximate bore size only.

0 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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What is the main three inputs of DCS?

1 Answers  

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Briefly describe instrumentation job

1 Answers  

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WHAT IS AN INTERLOCK SYSTEM ?? HOW THEY WORKs ?? WHERE IT IS USED ??? MAINLY ??

2 Answers   TATA, Tata Steel Limited,

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what is the analog input , analog output , digital output, digital input geven to the MSSV , CBD, IBD , START UP VENT , BOILER FEED PUMP , AOP, CEP , ETC

1 Answers   Bharat Biotech, TATA,

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what are the documentation and instrument identification system used to identify the correct device to be calibrated? name atleast three.

1 Answers  

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Condensation within a sight glass? Would you expect there to be more problems when using a sight glass if there is condensation on the inside or the outside of the glass, and why?

1 Answers  

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how is a displacer type level transmitter calibrated.explain the method?

2 Answers   Emirates,

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how many type of plug are used in pneumatic control valve,name them.

2 Answers   Godrej,

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what is a vortex flow meter,mass flow meter and electromagnetic flow meter.particular use of this.means in which condition particular meter is used.

0 Answers   L&T,

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Make Heater Process Logic.

0 Answers  

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