Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / sbt, gmm, ypp
YES, ABSOLUTELYU. WE CAN USE CONTROL VALVE W/O POSSITIONER.
BASICALLY POSSITIONER IS USED FOR QUICK OPERATION OF
CONTROL VALVE. FOR AN EXAMPLE: IF CONTROL VALVE OPERATING
RANGE IS 0.6 TO 2.6 KG/CM2, AT THAT TIME POSSIOTIONER IS
USED FOR AMPLIFICATION FOR THE HIGH PRESSURE CONTROL VALVE
EVEN IF INPUT PRESSURE IS 0.2 TO 1.0 KG/CM2.
ANS. GIVEN BY: SBT, GMM, YPP (NFIL STAFF)
| Is This Answer Correct ? | 32 Yes | 6 No |
Post New Answer View All Answers
How to calibration coriolis flow meter?
what is a good line as ic engineer as maintenance ,oc, project, calibration ,validation engineer?
define feed forward control loop with example and drawing?
Name different parts of a pressure gauge.
How RAL(Rotary air lock)works in cement industry?
1)How many tpes of vibration probe and how many tpyes of vibration. 2)how we can calibrate a vibration probe with tk3 3)what is RMS value in vibration measuring application and how we calculate it.
what is the electrical operation procedure for switching on 27.6MVA electric furnace.
why we use the ac supply load cell>?can we use the dc supply load cell?advantages and disadvantage of the ac supply load cell?
hiii.... can any one provide me previous years question paper of hindustan petroleum for instrumentation engineering???
Manipulation of dead wt. tester double piston type.
Explain signal isolator
What is the difference between ff transmitter and non ff transmitter
What is the Working principle of Dozing valve?
which type inter lock use in petrochemical refinery,and oil & gas?
protection relay watchdog contact operation?
