What is the difference between modbus,fieldbus & profibus
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When we will do simulation for I/P?IF WE DO SIMULATION through which way either series or parallel?
Distributed control system
i have done DAE in Instrumentation and Process Control. i have applied for an apprentice training in chemical company after three day my interview will be conduct but i need more information about industrial process control and controller. my e mail is imran_dilsetu@yahoo.com please tell me interview question relative to instrumentation ?
how to calibrate ph meter?
What is meant by GAP VOLTAGE, in vibration measurement. Normally how much GAP VOLTAGE is set and state the reason.
in transmiters(rose mount) how to check output 4-20ma ? and input 24v? i need exact explanation?
What is the formula To convert Degree centigrade to foranhight.
if temperature transmitter is showing wran. sensor 2 fail how can you remove from the transmitter display m/n.3144p rosemount
what is piezoelectric transducer?give an example in power plant n state its principle?
OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION
0 Answers Fauji Fertilizer, GSECL, NFL, Power Plant,
why we use 4-20 mA for calibration of the instruments.why we cant use 0-20 mA?
(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.
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