WHAT IS THE Differance b/w on/off & pid control valve?

Answer Posted / bell

on/off will make full open or full closed position of the
valve,but pid will give percentage of valve open/close
according to the controller output.

Is This Answer Correct ?    4 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

please send me the inteview questions in IOCL

1771


how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?

1500


What is the use of gauge?

696


what is controlling card in dcs? how u measure dcs memory?what is bus in dcs?how u know dcs speed n ehternet speed?

1513


What is first echo & echo window in radar type level transmitter?

1283






how to control pid

1459


what does it mean an active front end in vfd plz explain it briefly

1413


Why mixer nd grinder Is example of constant torque load not variable torque load ???

1501


What is the PLC configuration in Cement industry?

3274


Which are all the commonly used Bordon tubes in the pressure gauges. Do any one use ASTM A 312 tubes for this purpose?

1326


How many interlocks at turbine? Plz explain briefly

1529


give me the formula for analog to digital converter and also d to a converter

2365


Coal mill Instruments Equipments for cement plant And process diagram ?

2436


How to calibrate displacer type level transmitter (chemtrol make )for level measurement in hotwell , LP & HP heater ?

5427


A length of steel pipe is used to carry sea water to a desalination plant. An adequate corrosion allowance must be specified and indicated in the piping specification, which affects the _________________________ of the pipe

1790