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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 7585What is difference between flame retardant & flame resistance cable? Among which type of cable is used for ESD & Fire and Gas system application?
1 8441Related to control system, What is difference between 4-20 mA active & 4-20 mA pasive signal.
1 6691While 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 4044What is difference between “Fault Tolerant” & “Fault avoidance” PLC? Application where these system s are used?
3935Why 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 9534How 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 5308Post New Instrumentation Questions
What is the difference between ff transmitter and non ff transmitter
How r the calculation of process line mpm.
Im having problems with interfase betwen SPI v7.0 and SPPID v5.05. Previous versions of Intools shoul be fixed with SPPIDproj.ocx file. It was necessary to replace this file with one that allows the connection between different versions of SPPID. It is necessary in the current version to do the same?Thanks
Describe the function of Accumulator into the Pump
How will you calibrate PID controller? explain with example.
for oil & gas industries which zone is normally preferred? why? give its example?
In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.
hi! i want to know about mpse exam.
detail of mass flow meter pricipal
How we can check the 2 wire proxy switch? & how it is connected to DI MODULE OF PLC?
Why trim span ? How?
Explain bernoulli’s theorem.
What is rang ability?
If fire would be inside the plant which fire detector is to detected the fire.
Hi, Is there any smart plant instrumentation design training institute in Bangalore?
