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Process controls: FOURTH PERIOD

A randomized 25 question test from a pool of 469 questions, good luck!

Surge is the worst conditions that a centrifugal compressor can have, so some control strategies have been developed to mitigate this. Which of the strategies below can be described as the measurement of differential pressures in the compressor, head and inlet flow pressure determines if action is required?
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as the piece of equipment that is used for distillate storage?
Gasoline is a complex hydrocarbon blend. Which of the rigid specifications below determines the volatility of gasoline?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to identifying the potential for harm to people, environment, and property?
Calculate the static gain of a process that has a step change of 15% in CO₁, creating a 20% change in PV₁ and a 12% change in PV₂ while CO₂ is held constant. A step change of 12% in CO₂ creates a -15% change in PV₁ and a 7% change in PV₂?
Certain typesof dynamic compressors need specialized components. Which of the components below would be required for a multistage centrifugal compressor?
Which of the terms below is best describes when the other control loop is in manual, the disruption in the PV with a change in Co?
Responses from feedforward controls have different times. Which of the answers below is a timed response?
In a reciprocating compressor, the piston rod is put under extreme forces and requires monitoring. Which of the situations below would a pneumatic eutectic sensor be used?
Which of the answers below is best described as the quantitative measurement of best controlled and manipulated variable pairings to limit loop interaction?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?
SAMA has various symbols for the elements or functions of a boiler. Which of the answers below correctly identifies "C"?
Which of the answers below best describes the "A" portion of the reaction curve?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the intermittent testing to verify operation of SIS devices?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that increases efficiency by preventing over heating between stages?
Even a peak operating boiler must be protected from various issues that effect it's performance. Which of the terms below would be best be prevented by the pH of a boiler system being maintained at 10.5-11.5?
Which of the terms below is best described as the output by the controller to manipulate the FCE?
A measured disturbance by a transmitter, whose output signal modifies the feedforward controller output signal to the FCE is used by which of the control strategies below?
There are many different parts and processes to a distillation column. Which of the processes below can be best described as the residual liquid exiting the tray at each stage?
Starting a boiler is an extremely complicated procedure. Which of the start-up steps would include excess fuel being expelled from the furnace?
A Split range control system divides the total span of the controllers output. If FCE "A" was set to 0%-50% of the CO, and FCE "B" was set from 50%-100%of CO output, what would be the total percent of stroke used for each valve at 34% CO output signal?
A system of control is needed in a reciprocating compressor to have consistent pressure. Which of the control systems below is best described as one that adjust the compression rate of the compressor?
Which of the answers below best represents a tuning consideration that is not required for ideal loop response?
Which of the answers below is best represented by the number "4" on a typical H1 segment?
A system of control is needed in a centrifugal compressor to have consistent flow. Which of the variable speed compressor control systems below is best described as a cascade system from the discharge, through a controller, to the motor?