what is the basic working principle of I/P and Positioner in
any control valve.
Answer Posted / mayank rathod
mA ---> Kg/Cm2 ---> % Valve Open
4 ---> 0.2 ---> 0%
8 0.4 25%
12 0.6 50%
16 0.8 75%
20 1.0 100%
| Is This Answer Correct ? | 36 Yes | 7 No |
Post New Answer View All Answers
How to Calibrate Level Switch in field
Hi Friends i am going to write BARC written test by this month 20th (20-5-2008). So please if any body knows the details about this or having previous question papers pls mail me to kkumarei@gmail.com. For Suggestions give one message to 9962122264
How to regulate the flow of Air in 4" line, with max flow of 330 nm3/hr and Pressure of 0.5 bar? please suggest the type of instrument required.
Questions on flow meters,few questions on HART protocol,
how to convert MA in to measuring values..and how mwasuring values into MA ?..plz ansr.i have intervw
Can Any body tell me how to check Modbus Settings in ER300N L&T trivector meter?
can any one explain in which term we are flow flow is it volumetric r is it mass? and y
How u measure the massflow in orifice flow measurement techniques
what is the advantage of submersible level transmitter compare to ultrasonic level transmitter?
What is the advantage of using locally fabricated hook ups over Pre fabricated hook ups in process instrumentation?
What is difference between Ionization heat and bimetallic heat
What is Span Error
how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.
hye SAM acn u send your e mail id, so that i can solve my query through e mail?
what would be the minimum flow rate that we can measure on rotameter..?