without a positionar can a control valve operate? give the
difference of operating with positionar and without positionar?

Answer Posted / guest

yes it will operate. but we have to see the actuator
pressure rating range between that range it will operate.
with positionar a valve can run smoothly but without a
positionar it will sluggish.

Is This Answer Correct ?    5 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the difference between attemperator and desuperheater ?

4985


what is your eligibility criteria for freashers?

1633


Please any one can provide latest aptitude test,technical test and interview questions for tata consulting engineering (TCE) i need it asap thanks in advance

1551


how many type of plug are used in pneumatic control valve,name them.

4354


I am having a Phoenix digital to modbus converter. The o/p of the same is connected to flow computer FB407. But the digital signals are updated only after one minute in the flow computer. what may be the cause of delay in communication? Flow computer is having a scanning period of less than 1 sec.

1464






What is stripper & spilitter ? Diffrence in this.?

2530


How r the calculation of process line mpm.

4305


for oil & gas industries which zone is normally preferred? why? give its example?

1562


What is the reason PT speed not incresed in gas turbine?

1908


why we use 3 wire rtd direct wiring for temperature measurement instead of temperature transmitter like bearing temperature

1377


detail of mass flow meter pricipal

1823


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??.

1578


Can any one tell me what type of question asked for instrumentation and control interview panel??? pls mail ramashankar.goel@gmail.com

489


what is the difference between active & reactive power?

1666


What is the differerence between hysterisis and linearity.

1822