If any control valve create hunting problem, what is the
possible reason and solution?
Answer Posted / dhaval joshi
First check actuator position..removed power from the
actuator...and accordingly connect first power supply
cable,after connect command and feedback cable.
Is This Answer Correct ? | 1 Yes | 6 No |
Post New Answer View All Answers
Define the difference between a stable versus an unstable controlled system and some of the tools you might use to be able to detect when this is happening and assumptions used for control system application design that could contribute to instability
What is force balance principle?
Describe the functions of the Operator Interface including the considerations related to alarming and display layout/configuration/layers.
dear friends, i have seen flow as the selection critriea in presure guage (bourdon tube) and i would like to know what is the relation between flow and performance of pressure guage other parameters i found in the data sheet are pressure max. 1ksc temperature max. - 50 deg c line size - 80NB operating range - 1ksc pr. guage range - 0-2 ksc thank u,
I want measure the volumetric flow of gas in waste heat recovery Boiler?Tell me how and which type of instruments required. Plz mail me:naba02222@gmail.com Sam please post the answer .
How to Calibrate Radar Level Transmitter in Field
What are the key features of a Distributed Control System? describing the various layers (sensor through to business system interfaces) as well as the hardware, software and security aspects of the DCS.
how can be calibrate flow indication transmitter (rosemount) it shows excess milli amps nearly about 24 ma on full scale, but its scale was set on 20ma on full scale..???how can be simiulate..???
Tr. Wiring for calibration.
How to work togather like sov,limit switch,proxy switch and booster in xv
In apron feeder how TPH is calculated?
Which type of pressure can be measured by primary elements?
How to calibrate Toxic gas detector?
TECHNICAL/ARTITUDE
i need some objective type questions in instrumentation