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Answer Posted / ddd
CONTINUOS FEED BACK /HYSTERSIS/BOOST UP AIR FOR OUTPUT
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when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??
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(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpose of LO overhead tank in turbines.(3) An equipment is certified for EEX, IA, IIC,T6, what do you under stand by this.(4) what is SURGE, and how it is prevented, what is the purpose of bypass valve across AS valve.(5) Give 2 application of quartz crystal used for process parameter measurement.(6) what is meant by cold float of compressor shaft. (7) state four different types of flow measurement. For gas flow measurement mmscfd is the common unit. Expand the unit and specify significance of word S in the unit.(8) what is meant by Gap voltage, in vibration measurement. Normally how much Gap voltage is set and state the reason.(9) what will the new flow factor if D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10) what is the usage of QDV & Volume booster.
Draw a group of instruments interlocked to a Pump & Motor?
What are the types of valves?
Why flow/pressure transmitter before control valve?
Explain the mechanism behind the turbine meter.
Whatis the reset ofset and control system in instrumentation
Please tell me details about Sox,Nox,SWAS analyser????
Why boiler chimney area oxyden sensor fixing?
our kks tagging is crossing more than 12 character please suggest how to take tags in the DCS
in sulfur process what is material of impulse line we use to connect with transmitter ? and does teflon affected by sulfur?
What is the purpose of bypass valve across AS valve.
How an rtd work, and what volts/current goes to a rtd to measure the resistance?
give me all the details about the interview and which type of question being asked
