Can be operate control valve without positioning if yes ?
how and why?
Answer Posted / sunny
No without positioner we canot operate control valve
| Is This Answer Correct ? | 4 Yes | 7 No |
Post New Answer View All Answers
Galvanizing.
What is cut off relay? And why use in PLC and DCS?
What pressure results for a flow transmitter of range 0- 180t/h in the dcs and 0-301mbar in the field using square root extraction. Kindly also suggest formulae for the percentages 0,25,50,75,100?
why we r opening HOT BYPASS valve during startup of a compressor?
what is the minimum power (P=VI)to produce a spark?
line up procedure for dp type flow transmitter?
Why does a pressure gauge installed on reactor, doesn't have any vent line below to release the pressure? Is it any kind of designing mistake or it actually does not require any vent line? And if it does not require any vent line below it then how we are gonna release the pressure built inside the pressure gauge?
what is The specifications for oriface instalation
How d.p. Transmitter can be applied to close tank?
What is the use of single seated valve?
Punj lloyd is coming in our Jadavpur Universtiy campus for campus placement. Please send me some hints about the writtend exam. My email id is subratafriends@gmail.com
how to control pid
what is the procedure for auto tune in masoneialn 12300 series displacer type transmitter?
Can anybody tell me which type of question are asked in the interview for the FORMULATION(Pharma) as a instrumentation engineer, & question in building managment system.
I want to buy a seal kit of a pneumatic power cylinder.But I don't know it's specification.So please help me to know its specification.