why we are maintain the gap voltage in vibration probe when installing time can explain me?

1 Answers   CIL,

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why t/c is connected parallel and what is the purpose of it

2 Answers  

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Dear friends, I have a question: We work on a project which has some boilers to provide steam for desalination unit. The boiler area is safe and the only hazard source is the fuel lines of boilers. I want to know according to NFPA standard which type of instrument should be selected on the fuel line: Eex Type or Non-Eex type? Thanks in advance

2 Answers  

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what is the working principle of hydra step(electronic level indicator)?

2 Answers   Bengal Energy, Lanco,

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what is droop in governer ,type of droop ,how it work

0 Answers   TATA,

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Transducer Input 0 to 230 v ac Output-0 to 10vdc Receiver Input 0 to 10 vdc and Output 4 to 20 ma How?

1 Answers  

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why 4 to 20 ma ,why not 0 to 20 or 3 to 15 or anything

19 Answers   Honeywell, TCS, TN,

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How to Calibrate Flammable gas detector in field

0 Answers  

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What is surge in compressors? How to detect and control it?

3 Answers   Kharafi National,

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how to know the URL and LRL for steam drum level and why the calibration range is in negative ?

1 Answers   JSW, Samsung,

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sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers

2 Answers   BARC,

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why ultra sonic level transmitter is installed in 90 degree?

2 Answers   ME,

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