A randomized 25 question test from a pool of 469 questions, good luck!
There a some conventional distillation column control strategies. Which of the strategies below is an example of an material balance strategy?
Which answer below best describes the number "7"?
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?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as a tube not directly heated, that allows thermal movement of water to the steam drum?
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 armed at the successful completion of the start sequence, and stay armed until it's timer expires?
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?
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as where the entrance of the main supply would be located?
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 matching of steam supply with the demand?
The direct ratio scheme calculates it's ratio using a flow relay. Which of the methods below does the flow relay use?
Which of the answers below is best described as a relative gain that indicates no loop interaction?
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?
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 answer below best describes the number "10"?
One of the more common applications for ratio control is fuel to air control schemes. Which of the control schemes below would use a a signal arriving at both the air and fuel controllers from the firing demand controller, while allowing for excess air for combustion??
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that acts as a downstream backflow preventer?
Which of the answers below best describes the "C" portion of the reaction curve?
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 supplied steam pressure?
All feedforward control strategies respond to a disturbance before it reaches the CV. Which of the strategies below does not verify that the CV has returned to the desired value
The static gains of the _______ variable and ________ variable for each loop are contained in the OLM. Choose the best answer to fill in the two blanks from the ones below.
The breakdown of any one of the components of a SIF is hazardous. Which of the components below are the least prone to breakdown?
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 many different parts and processes to a distillation column. Which of the parts below can be best described as the design feature that allows the maximum interchange between vapour and liquid?
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 having sodium carbonates substituted with sodium sulfates as a softening agent?
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?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?