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how to know the URL and LRL for steam drum level and why the calibration range is in negative ?
1 9625Is it possible to convert 4 wire transmitter to convert to 2 wire with additional relay.Please send detial with drawing,i will appreciate.
2 7451a pressure transmitter with a range of 0 to 2500kpag has a specified accuracy of 0.5 % of span.It is to be calibrated using a comparison gauge to have an accuracy of 0.1% of span.The comparison gauge has a range of 0 to 3000kpag What is the accuracy ratio? is this ratio acceptable?
2 4750What should we do when Fisher Fieldvue DVC2000 give some out put air at 4mA bt at that i need no out put
1 2620I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.
2270Post New Instrumentation Questions
is motorized valve closed when power shutoff?
Any one can help me to identified, how can we interchange the device in FF
What is Span Error
What is rang ability?
WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN
Which type of diagphram use in costic line,DM water line,natural gas line,oil line?
1. what is modbus cable? 2. what kind of communication we are using for the interface of DCS, ESD and Third party cabinets? 3. What is serial communication and peer to peer communication?
How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?
How to do gas analysers calibration in AUTO and Manually by using zero and span gas?
key phaser where is use and work
what is KV and XV valve
Explain about the leakage class of the control valves
What is the advantage of using locally fabricated hook ups over Pre fabricated hook ups in process instrumentation?
where proximity sensor installed on tank in loading arm application
What are de-saturators?
