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Process controls: FOURTH PERIOD

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

In the distillation process heat is one of the most important variables to control. Which of the answers below would best describe the effects of an increase in heat production?
The efficiency of a distillation column has a direct link to pressure control. Which of the answers below is a strategy for total condenser pressure control?
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 liquefies the tops product?
Which of the control systems below is designed to uses the static gain of the transfer functions only?
When tuning with out decoupling, the _______ step is to tune the faster loops, the _______ step is to tune the most important loop. Choose the answer below that best fills in both blanks.
Feedforward control strategies are developed from different sources. Which of the strategies below is derived equations that involve energy or mass balance equations?
Because steam demands can vary, there are several control methods that work in concert to ensure efficient boiler operation. Which of those strategies would be to control the pressure of the furnace?
Which of the answers below best represents the controller gain if the PB is 65%?
In the distillation process there are two defined variables. Which of the variables below can be best described as the quantity of feed that is removed from the process as distillate or heavies?
The graph below is an example of a typical positive displacement compressor. Which of the numbered points would best be described as when the discharge valve open due to pressure differential?
There a several different types of feedforward control. Which of the answers below is a strategy developed from processes transfer function?
Each compressor have it's own pressure to flow profile at a defined speed. Which of the compressors below would have a predictable flow and inconsistent pressure?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as the capture and reuse of used steam?
Which of the answers below is best represented by the number "5" on a typical H1 segment?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the SIL required to satisfy an RRF of 87345?
Which of the terms can be best described as a condition of a system or process that does not change over a period of time?
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?
In the arena of process control, there are some that deal with more than one FCE at a time. Which of the control strategies below would be best suited for processes that need 2 different manipulated variables to be used at the same time?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an material balance strategy?
Operating a distillation column is an excersize in fine tuning a process. Which of the answers below would cause a problem in the operation of a 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 SIL required to satisfy an RRF of 8734?
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 terms below is best described as the relationship of the system's output to its input?
There are several common problems that can arise during a distillation columns operation. Which of the problems below can be described as a lack of vapour speed to keep the liquid on the proper tray?