Interested to Buy Any Domain ? << Click Here >> for more details...
If the Barrier Fails during online then What will be the
control valve position in field or Positioner action in the
field.
- 3 Answers
- 6000 Views
- I also Faced
- E-Mail Answers
Answer Posted / james
Based on the process
1st If barrier fails before escalating to a incident - The answer is fail safe c/v CLOSE
2nd when barrier fails - fail safe action done - Then the fail safe action will be - c/v OPEN to atm / flair
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
god evening sir i am studying m.sc(tech)electronics &instrumention.am i elegible to all industies
Regarding , there is an air cooler which control the fans(50% of AV FANS) by temperature in outlet , and the louver of Air cooler is controlled by HIC from control system , So if on Air cooler we will consider 2 individual I/P converter or positioner?
I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.
key exchanges in wpa,wpa2,tls
Specify ideal accuracy of flow element like orifice plate, Ventury, Annubar. Ultrasonic flow meter etc.
what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail
what is intrinscily safe system and where we use?
HOW TO SOLVE PROBLEM WITH ENRAF LEVEL TRANSMITTER 854 ATG THAT PASSWARD DO NOT Exist INTO TRANSMITTER TO ADJUST LEVEL WITH PORTABLE PET 847, WRITTEN WRONG PASSWORD , I AM SURE THAT DEFAULT PASSWARD (W2=ENRAF2) IS THIS TRANSMITTER NEED TO REPLACE SOFTWARE AND HOW?
what is basic difference between motion balance and force balance in pneumatic instrument?
how to calculate signal cable sizing? and multipair cable sizing??explain in brief?
selection criteria of control valve? and selection criteria of actuator explain in brief?
defination of radial vibration?
hiii.... can any one provide me previous years question paper of hindustan petroleum for instrumentation engineering???
typical loop drawing of a simple feedback control comprising of one transmitter and one control
For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?
