What is the reverse action and direct action
Answer Posted / neel
According to Controller
Direct action : input increase than output increase
Reverse Action : input increase than output decrease
According to Control valve
Direct action: Air to close
Reverse Action: Air to open
Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
What is instrumentation control?
Explain the working of rota meter.
What are different types of cable?
What is the difference between conductive lined pipe and conductive unlined pipe? Why do we see that?
how many types of preheaters are in cement industry & what r they can any body explain?
Draw bode plot of any transfer function. Why is plotting bode necessary?
key exchanges in wpa,wpa2,tls
Why all the drains(Gland sealing,ESV,Casing inlet etc) are directly connected to the flash tank instead of hotwell of the condensor in the power plant? My Email Id:naba02222@gmail.com
i need some objective type questions in instrumentation
how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.
i have done DAE in Instrumentation and Process Control. i have applied for an apprentice training in chemical company after three day my interview will be conduct but i need more information about industrial process control and controller. my e mail is imran_dilsetu@yahoo.com please tell me interview question relative to instrumentation ?
What is the use of control cable?
please send me the inteview questions in IOCL
I installed the smartplant instrument v8, but can not be opened, that always said: "INTools 2007 hardlock no found". So Could you help me how to do for that?
What are different types of orifice plates? State their uses.