Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / vishok
The 4-20 ma signal is used to close-open the control valve.
the openning of the valve 0-100% is calibrated according to
the command signal. This adjustment is done inside control
valve while designing it. Pl go throught the manual for
internal diagrams of different valves.
| Is This Answer Correct ? | 26 Yes | 9 No |
Post New Answer View All Answers
A flange is used for instrument connection for a system with a design temperature of 316C (600F) and a design pressure of 1000 kPa (145 psi). What is the class rating of the flange to be used for this application? Explain your answer
what are procedure of sox-nox calibration
we are having yokogawa centum cs3000 dcs in our power plant. i need some of the operator guides NOT to appear in HIS0163 AND HIS 0162 but it shoul appear in HIS0164 HOW TO DO IT?
Explain bernoulli’s theorem.
Basically iam Instruemntation Engineer, but Iam interested in Instruments design engineering, so plz guide, is there any course, training or Softwres to become Instrument design engineer??.
give me the formula for analog to digital converter and also d to a converter
What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).
How is automatic reference junction compensation carried out in temperature recorders?
how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?
There are many type of control cable like pair,core,tried, What are defination each one
How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?
what are the different types of Protocols? & their applications.
how u choose thermowell lenght n pnumatic C/v size?
Which type of pressure can be measured by these elements?
what can of fault ofently come in vibration mesurement?
