A randomized 25 question test from a pool of 469 questions, good luck!
Feedforward control strategies are developed from different sources. Which of the strategies below is derived equations that involve energy or mass balance equations?
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%
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?
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
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the internal capacity to function properly with a small amount of faults?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the ratio of detected failure rates in a device or system?
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as the piece of equipment that is used for distillate storage?
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?
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?
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 the discrepancy between the PV and the SP?
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?
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 monitoring only those conditions that apply to start-up?
The use of the direct ratio scheme is not as common as the indirect ratio scheme. Which of the answers below is the main reason why direct ratio control is not as common
The RGM needs to be developed to find the ______ of the loop interactions. Choose the best answer below to fill in the blank.
There a some conventional distillation column control strategies. Which of the strategies below is best described as a direct setting of one of the output flows?
The relative amount of heat lost in the column is reflected in the reflux ratio. If the ratio were to increase, which of the answers below would describe the effect on the light key in the distillate?
Which of the terms below would best describe a loop gain of 1?
There a some conventional distillation column control strategies. Which of the strategies below is best described as a direct setting of the columns thermal properties?
Boiler feedwater treatment is a vital component for the smooth operation of an industrial boiler. Which of the conditioning methods below is comprised of filtration and softening before entering the boiler feedwater system
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?
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?
In a reciprocating compressor, the piston rod is put under extreme forces and requires monitoring. Which of the situations below would use mounted strain gauges?
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?
Which of the terms below is best describes the measurement with the other control loop is in automatic, the disruption in the PV with a change in Co?