Answer Posted / mazhar ali
IT IS BASICALLY TERMED AS 3 ELEMENT CONTROL.
THIS IS USED IN BOILER HOUSE WHERE IN DRUM LEVEL IS CONTROL.
SO IT INVOLVES FEED WATER CONTROL , STREAM FLOW CONTROL AND
DRUM LEVEL CONTROL SIMULTANEOUSLY.
| Is This Answer Correct ? | 8 Yes | 0 No |
Post New Answer View All Answers
We are using Rosemount 5400 series Radar Level Transmitters in all types of Sump Applications having oily water hdrocarbon petrochemical nature. What we are facing the problem frequently is that always getting reading frezzed at some value. If we do power recycling , sometimes it is working . then making same freezing problem. If anybody faced before such type of problem and also having solution , Please give the answer.
How does temperature bath work? How does coil gets heated only by applying some current?
How to check vortex flow meter is in good condition while we do not having calibration setup?
Which tank weighing system is better to install (Accuracy point of view) 1) Tank weighing system with 3 load cell or 2) Tank weighing system with 4 Load cell
1- Explain about HPM 2- What is the FSC and explain the configuration of FSC 3- explain the complete loop of vibration, how it works (field to control room) 4- What is the use of proxymitter? 5- During job your partner effected with H2S then what you have to do. 6- what type of gland packing uses when valve glind is leaking.
what is commisioning procedure,2)what is is the main work in commisioning in the field tx to dcs, plz send me detail
Explain the use of hair spring in the pressure gauge.
plz tell me clearly about PID.."when v have to change I value,D value,GAIN??
What you mean by multi stage control vavles?
TECHNICAL/ARTITUDE
What is the use of temprature compensation?
can any one explain in which term we are flow flow is it volumetric r is it mass? and y
Specify eight technical requirements that you would consider important, when deciding upon a particular control valve?
what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .
What is feed factor and its Importance in cement industry? How we can solve feed factor?.