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Hello friends i need check lists of different instruments during the Erection and commissioning in thermal power plant.Please help me.My Mail id is naba02222@gmail.com/naba02222@rediffmail.com Thanks Nabakishore Biswal
1 4118wht is snap action switch?where it is used?is there any diff between snap action switch and normal pressure switch?
ONGC,
1 4036Post New Instrumentation Questions
How to convert milliampares into flow??
What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?
what is the different between deflection type measurement and null type measurement in RTD?
What is the use of single seated valve?
What are the key features of a Distributed Control System? describing the various layers (sensor through to business system interfaces) as well as the hardware, software and security aspects of the DCS.
Draw a great bridge circuit.
What is Droop? What is Step/Gradient Limiter in Turbine Governor control?
How r the calculation of process line mpm.
If we increase only P what will be controller action ?
is motorized valve closed when power shutoff?
(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.
Actual using of tube bender to bend 2 opposite 90 deg at correct measurement center to center of tubing.
why we are using magnet for calibration of gas detector?
hi! i want to know about mpse exam.
I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.
