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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I am a instrument technician. recently i attend interview and face one of question for DP transmitter ,the client asking about the calibration of DP transmitter ,am answer the calibration procedure, they will ask one more question. why open LP side in atmosphere? i did not answer that question. so please help me and explain the particular question. Dear firends waiting for your valuable replay

3 Answers   Qatar Petroleums, Samsung,

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how the 2.5bar pressure able to control the 40bar steam

8 Answers   IBM, PAFL, Thirumalai Chemicals,

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How would i calibrate a new commissioned flow transmitter???

3 Answers  

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i feel sq. pipe is better than round pipe pls give comment for this. advance thanks for reply

3 Answers  

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why the steam drum and deaerator level transmitter range is in negative MMWC to zero

3 Answers   Emerson, Jindal, JKPM,

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what is difference between RTD and Thermocouple?

2 Answers  

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why full bore ball valve is not used in steam applications?

1 Answers  

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what is the diffirence between Earth and Neutral

4 Answers  

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What does PCU means with respect to Dead Weight Tester?

1 Answers   SGS,

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Why we used cage in control valve?

8 Answers  

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what is the difference between E/P positioner and I/P positioner in control valve , in which application the respective positioner are used in.

1 Answers   ABB,

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