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What is Ratio Control System?
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0
|
1588
|
March 31, 2018
|
|
What is Cascade Control System?
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|
0
|
1720
|
March 31, 2018
|
|
Distributed control system
|
|
0
|
1116
|
March 31, 2018
|
|
Why is there a direct and reverse action on a controller when the control valves are already having direct (air fail to close)/reverse (air fail to open) actions?
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0
|
743
|
March 16, 2018
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What type of controller (P, PI, PID) is preferred on the following process control loops? 1) Pressure 2) Level 3) Flow 4) Temperature
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0
|
1493
|
March 16, 2018
|
|
Explain the following terms in a controller? 1) measurement variable 2) desired variable 3) deviation 4) output
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0
|
665
|
March 16, 2018
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|
Explain how to change a controller from auto to manual and vise-versa?
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0
|
715
|
March 16, 2018
|
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What is a ‘bump less transfer’ in a controller’s auto/manual change over?
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|
0
|
479
|
March 16, 2018
|
|
What will be the output of a reverse acting controller when the process changes from 50% to 75% where the proportional band is set at 50%, set point is set at 50%?
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0
|
569
|
March 16, 2018
|
|
What will be the output (increases or decreases) of a direct action controller when the process goes above the set point?
|
|
0
|
734
|
March 16, 2018
|
|
What is a ‘batch’ facility on a controller?
|
|
0
|
540
|
March 16, 2018
|
|
What is a ‘reset action’? Explain with an example?
|
|
0
|
711
|
March 16, 2018
|
|
What is a ‘gain’? Write the relation (formula) between a gain and proportional band?
|
|
0
|
546
|
March 16, 2018
|
|
What is a ‘proportional band’? Explain with an example?
|
|
0
|
750
|
March 16, 2018
|
|
What is a gap controller?
|
|
0
|
2233
|
March 16, 2018
|
|
Explain what is ‘direct action’ and ‘reverse action’ on a controller?
|
|
0
|
527
|
March 16, 2018
|
|
What is a ‘controller’? Where are its application areas?
|
|
0
|
6219
|
March 16, 2018
|
|
Controller tuning
|
|
0
|
813
|
March 5, 2018
|
|
Cascade control system
|
|
0
|
867
|
February 22, 2018
|
|
How Control loop should be tuned in process loop?
|
|
1
|
879
|
February 8, 2018
|
|
What is galvanic isolation?
|
|
0
|
488
|
February 8, 2018
|
|
What is the difference between offset and hysteresis?
|
|
0
|
2688
|
February 8, 2018
|
|
Analog to Digital Converter
|
|
0
|
494
|
February 2, 2018
|
|
Open loop and close loop control systems in boiler
|
|
1
|
2561
|
January 26, 2018
|
|
Process Control Terms
|
|
0
|
1823
|
January 22, 2018
|
|
What are the possibilities for turbine trip due to hotwell tank level High
|
|
1
|
2411
|
January 22, 2018
|
|
What does Turbine TRIP mean?
|
|
0
|
834
|
January 22, 2018
|
|
Turbine speed constant - 6832 rpm and TG load will various with HP valve how it possible
|
|
1
|
617
|
January 21, 2018
|
|
Steam Turbine Governing
|
|
0
|
503
|
January 21, 2018
|
|
What are the tripping parameters of turbine
|
|
1
|
1699
|
January 21, 2018
|