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Process controls: FOURTH PERIOD

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

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.
which of the terms below can be described as a force exerted by the gas or vapor released by a liquid or solid substance in a closed container or space.
Centrifugal compressors have some specialized problems while operating. Which of the terms below is best described as the operation at a high flow rate but low discharge rate?
There a some conventional distillation column control strategies. Which of the strategies below is best described as a one that indirectly controls the heat input to the column?
Gasoline is a complex hydrocarbon blend. Which of the blending ratios would use a pace controller to set the RSP for all of the lines being blended?
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?
Boiler feedwater treatment is a vital component for the smooth operation of an industrial boiler. Which of the conditioning methods below is comprised of mechanically removing impurities from the mud drum?
Which of the systems below is best defined as being used when there is inherent interaction between loops
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?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that increases the pressure in the compressor for start-up?
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?
In a reciprocating compressor, the piston rod is put under extreme forces and requires monitoring. Which of the situations below would monitor the temperature of the crosshead pin?
Which of the answers below best represents a tuning consideration that is not required for ideal loop response?
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.
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?
Responses from feedforward controls have different times. Which of the answers below is not a timed response?
Process control strategies are always trying to eliminate the effects of a load disturbance. Which of the answers below would use an automatic adjustment of a controlled flow in response to a flow disturbance in the supply stream?
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 having no time limits, and armed when the process is in operating limits, and
Centrifugal compressors have some specialized problems while operating. Which of the terms below is best described as the flow of gas moving to the impeller from the discharge line due to differential pressure?
Which of the answers below best represents the PB if the controller gain is 1.75?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as a slow acting type of pressure control?
Electric switches and transmitters make up the bulk of the sensors in a safety system. Which type of sensor architecture below is best described as a component fault indicating component that can initiate a shut down?
Which of the answers below is best defined as affecting the controlled variable through changes in the process?
There are several common problems that can arise during a distillation columns operation. Which of the problems below can be described as a lack of vapour speed to keep the liquid on the proper tray?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an material balance strategy?