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What is pipe schedule? What are all effects its having in the valve? how do we take care of pipe sch in case if the customer dint specify in the data sheet. What we need assume and in what basis?
3 7710What is difference between flame retardant & flame resistance cable? Among which type of cable is used for ESD & Fire and Gas system application?
1 8541Related to control system, What is difference between 4-20 mA active & 4-20 mA pasive signal.
1 6765While preparing the graphic diagrams trend display, 3 types of trends are prepared by Yokogawa system vender. These are for process variable, manipulated variable & set point variable. Why these 3 trends are required? Explain the purpose of these 3 trends.
1 4160What is difference between “Fault Tolerant” & “Fault avoidance” PLC? Application where these system s are used?
3982Why do we need to install hook-up line differential pressure type level transmitter when the differential pressure type level transmitter with capillary are available?
2 9645How can we say that accuracy of measurement increases by using 3 or 4 wire RTD? because for example: If resistance of RTD element is say r ohms and Resistance of the cable from transmitter to RTD is R ohms And if 4 wire RTD is used, ____._____________________ R ohms | |_____._____________________ R ohms / \ / r ohms \ \ | |______.__________________ R Ohms | |_______._________________ R ohms Then the actual resistance measured will be: Total = r + R/2 + R/2 = r +R Ohms Note: r+R instead of r ohms. hence error
2 5461Post New Instrumentation Questions
How to interfacing microcontroller with a DC motor
whats the abbreviation of IOP? is it instrument of power or input open problem?
WHAT IS TMXT IN TEMPERATURE FOUNDATION FIELDBUS.
I am teja. I am studying Msc(tech) Electronics and Instrumentation (3years course) in Andhra university. But my course is not recognised by UGC and AICTE. Please tell me the job opportunities after this course. And i fineshed PLC course in IGIAT ,Vizag.Also complted my short term coure in SCADA, Seimans WinCC in ATI,Hyd.After Msc can i join Mtech for good job? or phd. How i can get good job in INdustrial Automation Side. Please give replay.Because this is my life matter.
What is mean by analytical instrumentation?
What is megering????
what is the current pay package for an instrumentation engineer having 2 years of experience in cryogenic technology???????
Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?
what is the difference between attemperator and desuperheater ?
Explain about safety integrated level protection? . How it was differ from other protections ?
Why grounding is necessary? Give example with diagram.
Actual using of tube bender to bend 2 opposite 90 deg at correct measurement center to center of tubing.
why orfice is not used for main steam flow calculation
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...
How to find out the current of two motors having same power consumption but different RPM?
