Interested to Buy Any Domain ? << Click Here >> for more details...
what is the meaning of reverse action and forward action of
control valve...
- 9 Answers
- 34622 Views
- Honeywell, Yokogawa, I also Faced
- E-Mail Answers
Answer Posted / j arumugam
if control variable(CV) INCREASES process variable
INCREASES is called Direct acting (Gain < 0)
if control variable(CV) INCREASES process variable
DECREASES is called Reverse acting (Gain > 0)
| Is This Answer Correct ? | 3 Yes | 2 No |
Post New Answer View All Answers
Explain the working of an electronic level troll.
I am manjunath having exp in maintenance of chemical plants,know i want to do a design course INTOOLS,after doing design course can we get jobs in design field.sinve i dont have design exp..
Q1]IF THE RANGE FOR FLOW IS -35 TO 125 WHAT WILL BE THE SPAN FOR ABSOLUTE AND FOR NORMAL? Q2]HOW TO CALIBRATE CAPILLARY TYPE LT? Q3]HOW MANY ERROR CALCULATIONS ARE THERE USED IN PROCESS INDUSTRIES? Q4]HOW TO CALIBRATE TEMPERATURE TRANSMITTER? Q5] HOW TO CALIBRATE LEVEL TROLL AND HOW TO CONNECT? Q6]PLEASE TELL ME THE BASIC FOR INSTRUMENTATION WHICH IS APPLIED FOR CALIBRATION AND FOR ALL? PLEASE MAIL THE ANSWER TO honest_yes@yahoo.in
What is instrumentation technologists and mechanics?
for oil & gas industries which zone is normally preferred? why? give its example?
What is difference between radial vibration and axial vibration explain in detail .
What are the maximum packet size of: a) HART b) Profibus DP c)Profibus PA d) DeviceNet e) Foundation Fieldbus
what are the definitions of input, output, command & signal according to instruments controlled by PLC using DCS System?
What is mean by analytical instrumentation?
How to calibrate RC Feeder system in thermal power station?,If any instrument available to calibrate it,ple inform me. make:stock,
How we connect a instrument with ground, Give brief explanation with help of diagram?
DEAR SIR/MADAM MY NAME IS ARKAPROVA BHATTACHARYYA.I AM A FRESHER INSTRUMENTATION ENGINEER.CAN YOU PLEASE SEND SOME QUESTION PAPERS OF GRADUATE ENGINEER TRAINEE EXAM OF DVC(DAMODAR VALLY CORPORATION).MY EMAIL IDs ARE arka_aec@rediffmail.com.
What is 3 selection available when configure the burnout protection for controller
How would you choose differential range?
What care will you take in the installation of control valves,SCADA,DCS and FOC in Oil and Gas Project?
