Answer / nish

bolometer is just a strip of metal having positive alpha...it can be used as any other resistive transducer

what would be the minimum flow rate that we can measure on rotameter..?

0 Answers   TATA,

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I want to apply for the universities in US,but i got the GRE score of (650+300=950)TOEFL 69/120.Is this score sufficient for applying universities please i am married i need to go to US because my husband didn't get H1 yet.please send me suggestion

0 Answers  

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what is the difference between RS 232,RS 485,RS 422, how they different from each other

15 Answers   TCS,

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what should be minimum length and size of impulse line for steam flow orifice and feed water orifice? asked by sanjay parihar

1 Answers   Birla,

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can any one explain in which term we are flow flow is it volumetric r is it mass? and y

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 instrument termination

1 Answers  

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how to convert bar to mA?

1 Answers  

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In field side transmitter voltage droping here no loose connection then what will happen?

2 Answers   Edac,

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what is the main supply source for pressure transmitter?

1 Answers  

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what is gas metering system? gas chromatograph? and gas compressors?

0 Answers   HPCL,

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What is full form of hart communicator?

2 Answers   KOC, UPL,

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