What is Cascade Control System?
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0
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1588
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March 31, 2018
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Distributed control system
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0
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1051
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March 31, 2018
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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
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634
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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
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1390
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March 16, 2018
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Explain the following terms in a controller? 1) measurement variable 2) desired variable 3) deviation 4) output
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0
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603
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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
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636
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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
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400
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March 16, 2018
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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
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491
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March 16, 2018
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What will be the output (increases or decreases) of a direct action controller when the process goes above the set point?
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0
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678
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March 16, 2018
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What is a ‘batch’ facility on a controller?
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0
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442
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March 16, 2018
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What is a ‘reset action’? Explain with an example?
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0
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647
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March 16, 2018
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What is a ‘gain’? Write the relation (formula) between a gain and proportional band?
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0
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461
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March 16, 2018
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What is a ‘proportional band’? Explain with an example?
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0
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634
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March 16, 2018
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What is a gap controller?
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0
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2042
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March 16, 2018
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Explain what is ‘direct action’ and ‘reverse action’ on a controller?
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0
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463
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March 16, 2018
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What is a ‘controller’? Where are its application areas?
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0
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6151
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March 16, 2018
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Controller tuning
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0
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761
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March 5, 2018
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Cascade control system
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0
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801
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February 22, 2018
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How Control loop should be tuned in process loop?
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1
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807
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February 8, 2018
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What is galvanic isolation?
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0
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422
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February 8, 2018
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What is the difference between offset and hysteresis?
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0
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2496
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February 8, 2018
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Analog to Digital Converter
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0
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445
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February 2, 2018
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Open loop and close loop control systems in boiler
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1
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2432
|
January 26, 2018
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Process Control Terms
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0
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1717
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January 22, 2018
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What are the possibilities for turbine trip due to hotwell tank level High
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1
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2233
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January 22, 2018
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What does Turbine TRIP mean?
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0
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767
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January 22, 2018
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Turbine speed constant - 6832 rpm and TG load will various with HP valve how it possible
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1
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544
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January 21, 2018
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Steam Turbine Governing
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0
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449
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January 21, 2018
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What are the tripping parameters of turbine
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1
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1580
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January 21, 2018
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Types of Woodward governor and how to control LP and HP control valve
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1
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5431
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January 21, 2018
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