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Process controls: FOURTH PERIOD

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

Calculate the RGM of a process with the following static gains: K₁₁=1.33, K₁₂=-1.25, K₂₁=0.8, K₂₂=0.58.Ꙡ₂₂Ꙡ₁₁Ꙡ₁₂Ꙡ₂₁
Boiler feedwater treatment is a vital component for the smooth operation of an industrial boiler. Which of the conditioning methods below is comprised of altering the chemical make up of the feedwater?
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?
Boiler safety is an important part of reliable operation. Which of the strategies below would use premissives and interlocks to prevent explosions?
Starting a boiler is an extremely complicated procedure. Which of the start-up steps would include the pressure for the igniter system being acceptable limits?
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 answers below best describes the network access method(s) that is used by the H1 transmission system?
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 pressure reduction from a change in the angle of the gases path across the impeller?
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?
In a typical distillation process, the top stage of the column will have a ratio of lighter components to heavier components. Which of the answers below reflects this ratio best?
On a typical boiler control system, there are four main points of control. Which of the answers below would best be manipulated to control boiler furnace pressure?
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?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as a fast acting type of pressure control?
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 adding chemicals that cause impurities to precipitate to the mud drum?
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?
Which answer below best describes the number "7"?
The graph below is an example of a typical positive displacement compressor. Which of the numbered points would best be described as when the cylinder is full of gas at suction pressure?
As with any mechanical or electrical system there are failures. Which of the answers below best describes when the SIF is not operating or responding to signals?
Which of the answers below is best defined as affecting the controlled variable through changes in the process?
There a several different types of feedforward control. Which of the answers below is a strategy developed from processes transfer function?
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?
To minimize the loop interaction in a multi-loop control system, the CO and PV whose ______ pairing is closest to +1 is most desirable. Choose the best answer from those below to fill in the blank.
There are a variety of complications that can arise while using a reciprocating compressor. Which one of the events would be mitigated by a the proper positioning of proximity probes?
Which of the control strategies below is best defined as a strategy where all inputs are evaluated and the calculated outputs are transmitted collectively?
Gasoline is a complex hydrocarbon blend. Which of the blending ratios would introduce a product to be mixed with the primary stream upstream of the first flow quantity controller?