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Process controls: FOURTH PERIOD

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

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 conditions that are always monitored and alarms are armed?
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?
Which answer below best describes the number "10"?
Which of the terms below is best described as the relationship of the system's output to its input?
In process control, there are many control strategies to choose from. Which of the strategies would adjust the manipulated variable by the measured disturbance?
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?
Whic of the responses below can be best described as extremely stable, with no overshoot, but slower than critically damped response?
Boiler safety is an important part of reliable operation. Which of the strategies below would concern itself with water carryover?
Responses from feedforward controls have different times. Which of the answers below is not a timed response?
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?
Which of the answers below is best defined as a process that shows an exponential response to a step input?
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 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?
Which of the terms below is best described as a process response to a load disturbance that moves in one direction until the limitations of physical equipment is met or exceeded?
Which of the answers below is best defined as the systems reaction to applying an input to the control system, and the time to reach steady state?
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 a chemical treatment coinciding with regular blowdowns, keeping the TDS near 0.03 ppm?
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?
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?
Which of the control strategies below is best defined as a strategy where all inputs are evaluated and the calculated outputs are transmitted collectively?
Which of the answers below is best represented by the number "5" on a typical H1 segment?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an material balance strategy?
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 one that controls the flow out of the condenser to achieve pressure control?
The graph below is an example of a typical positive displacement compressor. Which of the numbered points would best be described as when the differential pressure opens the suction valves to intake more gas?
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?