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what is the difference between Cv and air consumption? why the customer needs Air consumption details?
1937How to consider the flow directions for control valve (Globe) Is the there any easy understanding in order to select the flow directions?
3 6565I have seen the Temperature element (T/C & RTD) installed in process line on 45 degree position, Why? What it mean? How many types of tapping position for temperature elements?
4 11609I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann
2219Post New Instrumentation Questions
wich is coming the first HAZOP OR SIL
Why plc require in analog input 4-20amp & 0-10 volt?
can anyone guide me how to get any of the previous year GAIL question papers? are they available? 0n 2nd august i have to take the written test.
what is the difference between -24 : +24 & 0:24 and where it use?
What is the difference between PLC and DDC?
Difference between dcs and plc including date processing and architecture.
what is performance test.need defination
Can u tell me the principle of the tc,rtd,level switch,pressure switch ,transmitter(pr flow level temp.),vibration...plz
how do we commission inergen system?
what about your moleg in pogrees with company
Derive capacitance to 4-20ma conversion formula / relation in capacitance type pressure sensor?
, Instrument Index, P&ID review, I/O schedule, datasheet, DCS / Analyzers specifications, loop diagrams, hook-up drawings.
Can anybody tell me how to select the size of earthing cable for DCS & PLC system.Please tell me any relevant answer here or mail it to me.
principle of automatic votage regulator
can any one tell me when ongc placement test and its forms is available????/ pls tell me if u know
