How to calibration a control valve?

706

i have steam drum height 1000mm. and i want to placed the transmitter below the tap.how i calculate.

1513

principle of automatic votage regulator

1676

How r the calculation of process line mpm.

4314

A DP transmitter is used to measure the level of an open tank. The drain line of the tank is connected to a control valve, and is configured as, if the level of the tank is 90% the valve should get open 10%. And if the tank level is 10%, the valve should get open 90%. Draw wiring diagram and explain how to configure DP transmitter and control valve using HART communicator. If the span error at output is 1%, what will be the %opening of the control valve at 60% level of the tank?

880

What is instrumentation control?

657

What is the use of gauge?

696

hi,i am doing 3 year in electronic and instrumentation engineering. what type of aptitude questions will be asked in a core industries and how can i improve my skills in instrumentation?

1658

what is the process to make control schematic ?

1733

what is the difference between Cv and air consumption? why the customer needs Air consumption details?

1527

Why does a pressure gauge installed on reactor, doesn't have any vent line below to release the pressure? Is it any kind of designing mistake or it actually does not require any vent line? And if it does not require any vent line below it then how we are gonna release the pressure built inside the pressure gauge?

1723

What is three element in drum level?

932

Which is the best field foundation bus. ( FF ) Yokogawa, Honeywell or others ?

1357

what is The specifications for oriface instalation

1617

kindly sent some demo question and answer

1548