Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...

0 Answers   Adgas, GAIL, Oil India, ONGC,

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What is mean by SMART in an Instrumentation. is any full form for SMART?

3 Answers  

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can anybody tel me how a vfd or any field instrument communicates/interface with plc/scada/cs.

0 Answers   Honeywell,

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anybody having Qatar Petroleum questions for instrument Technician offshore ....please send me

0 Answers  

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WHAT IS D/O D/I AND A/O A/I PLZ EXPLAIN

2 Answers  

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What kind of feedback is used in DP cells.

1 Answers   CCIE,

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why we set -10 volt in vibration sensor output,why not +10 volt

3 Answers   Sabic, TVS,

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Can anybody tell me which type of question are asked in the interview for the FORMULATION(Pharma) as a instrumentation engineer, & question in building managment system.

0 Answers   Reddy Labs, ScienceWay,

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what is flow and flowrate? definate and diffrentiate it? pls post a valid ans thanks in advance

2 Answers   Qatar Gas,

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A motor is taking 15 Amps at no load and 60 Amps at full load. and a valve has to open 10% at full load and 80% at no load. How to draw ladder logic.(PLC).

2 Answers  

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IS there any effect of vortex in low pressure side of the transmiter after the orific in feed water line? if yes then what is the calculation?

0 Answers  

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what is interface level measurement.who can calibrate interface level measurement transmitter online

0 Answers  

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