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Process controls: FOURTH PERIOD

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

Which of the control systems below is designed to uses the static gain and dynamic portions of the transfer functions?
Boiler safety is an important part of reliable operation. Which of the strategies below would concern itself with maintaining proper furnace pressures?
Calculate the RGM of a process with the following static gains: K₁₁=1.33, K₁₂=-1.25, K₂₁=0.8, K₂₂=0.58.Ꙡ₂₂Ꙡ₁₁Ꙡ₁₂Ꙡ₂₁
There are several common problems that can arise during a distillation columns operation. Which of the problems below can be described as when the vapour avoids the upper tray due to a lack of a seal in the downcomer from the tray above?
Which of the terms below can be best described as supplies the individual devices with data and power from the trunk line in an H1 transmission system?
There are several ways to control the pressure in a distillation column. Which of the answers below is would be the best type of pressure control for a typical distillation column?
A calculated value, derived from the mathematical model of the process, of the manipulated variable is applied to the feedback controller ouput signal to the FCE. Which of the answers below would use this type of strategies?
If an unusual condition appears, compressor control systems have instruments that will shut down the compressor safely. Which of the shutdown classes below is best described as having no time limits, and armed when the process is in operating limits, and
In process control, there are many control strategies to choose from. Which of the strategies would only respond to a controlled PV starting to drift from the SP?
Compressors are split into general categories by how they produce downstream pressure. Which of the answers below would a double-acting piston pump be classified as?
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?
In the distillation process there are two defined variables. Which of the variables below can be best described as the quality of the content that is exiting the column?
Responses from feedforward controls have different times. Which of the answers below is a timed response?
A system of control is needed in a centrifugal compressor to have consistent flow. Which of the constant speed compressor control systems below is best described as a restriction on the inlet flow, reducing the discharge flow?
Which of the answers below best represents the controller gain and action on a P-only controller, if the PV increases 10% and the CO drops 15%?
There are several common problems that can arise during a distillation columns operation. Which of the problems below can be described as an accumulation of liquid that can block vapour from rising?
There a some conventional distillation column control strategies. Which of the strategies below is best described as a one that indirectly controls the heat input to the column?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the management of the live SIS system, including testing and repairs?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?
Several control strategies involve the control of one or more FCEs. Which of the control stategies below does each FCE use a portion of the control signal?
Which of the terms below is best described as a process response to a load disturbance that moves in one direction until the limitations of physical equipment is met or exceeded?
The graph below is an example of a typical positive displacement compressor. Which of the numbered points would best be described as the end of the discharge stroke?
Which of the systems below is best defined as being used when there is inherent interaction between loops
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as the part of the column that contains the greatest portion of heavier components of the mixture?
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 a chemical treatment coinciding with regular blowdowns, keeping the TDS near 0.03 ppm?