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Process controls: FOURTH PERIOD

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

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 control strategies below is best defined as a strategy where all inputs are evaluated and the calculated outputs are transmitted collectively?
The indirect ratio scheme calculates it's ratio using a flow relay. Which of the methods below does the flow relay use?
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?
Which of the control systems below is designed to uses the static gain and dynamic portions of the transfer functions?
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?
Gasoline is a complex hydrocarbon blend. Which of the blending ratios would have poor final product if a high level of accuracy was needed?
Whic of the responses below can be best described as extremely stable, with no overshoot, but slower than critically damped response?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?
Control strategies affect several variables, some at the same time. Which of the variables below is omitted from the pure feedforward control strategy?
The pulp mills require feed stock consistency. Which of the control strategies below would be best suited for the quality control of the paper pulp dilution?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as a place where the separation of vapour from liquid occurs?
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?
Which of the terms below would be best described as a systems predefined value?
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 volume of boiler feedwater sprayed in to the steam?
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 an exchanger that allows flue gases to heat up air for combustion?
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 87
Which of the terms below best describes the switching of a loop from manual to automatic, resulting in a change in the control loop static gain?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as a structure or apparatus in which heat is generated?
Which of the terms below is best described as predictive to any system response to an input?
Which of the terms below is best described as the output by the controller to manipulate the FCE?
Which of the answers below is best defined as affecting the controlled variable through changes in the process?
In process control, there are many control strategies to choose from. Which of the strategies would use the comparison of the PV to the desired SP?
In a saturation process that uses static decoupling, what is the value of D₁ and D₂ if K₁₁= 14%, K₁₂=-15%, K₂₁=23% and K₂₂=12%