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Process controls: FOURTH PERIOD

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

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?
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?
Which of the terms below is best described as predictive to any system response to an input?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as a Provides air for combustion from outside the boiler?
Which of the variables below is best defined as a manipulated variable for a standard steam exchanger.
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 water level in the steam drum?
On a typical boiler control system, there are four main points of control. Which of the answers below would best be manipulated to control the steam drum level?
In relation to open loop static gain calculations the "A" in the picture below is best described by which term below?
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?
Each compressor have it's own pressure to flow profile at a defined speed. Which of the compressors below would have an inconsistent flow and predictable pressure?
Calculate the RGM of a process with the following static gains: K₁₁=1.33, K₁₂=-1.25, K₂₁=0.8, K₂₂=0.58.Ꙡ₂₂Ꙡ₁₁Ꙡ₁₂Ꙡ₂₁
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that releases pressure after the compressor shuts down?
Starting a boiler is an extremely complicated procedure. Which of the start-up steps would include excess fuel being expelled from the furnace?
Which of the terms below is best described as the output by the controller to manipulate the FCE?
Which one of the terms below is best described as a measure of the output of first order system reacting to a load disturbance?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as the pressure control where there is no manipulation of the coolant flow to the condenser?
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?
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 the boiler feedwater?
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?
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 answer below best describes the number "3"?
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?
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 are many factors in the proper working of a distillation column. Which of the answers below is one of those factors?
Starting a boiler is an extremely complicated procedure. Which of the start-up steps would include lighting of the pilot when the electronic ignitor is activated?