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 best described as a direct setting of one of the output flows?
To minimize the loop interaction in a multi-loop control system, the CO and PV whose ______ pairing is closest to +1 is most desirable. Choose the best answer from those below to fill in the blank.
Which of the answers below best represents the HART protocol specification for characteristic impedance in the cabling used?
A Split range control system divides the total span of the controllers output. If FCE "A" was set to 0%-50% of the CO, and FCE "B" was set from 50%-100%of CO output, what would be the total percent of stroke used for each valve at 34% CO output signal?
Starting a boiler is an extremely complicated procedure. Which of the start-up steps would include excess fuel being expelled from the furnace?
Which answer below best describes the number "5"?
There are many different parts and processes to a distillation column. Which of the processes below can be best described as the residual liquid exiting the tray at each stage?
In relation to open loop static gain calculations the "B" in the picture below is best described by which term below?
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?
Which of the answers below best describes the "C" portion of the reaction curve?
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?
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?
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 several ways to control the pressure in a distillation column. Which of the answers below is best described as a manipulation of the tops flow?
Gasoline is a complex hydrocarbon blend. Which of the blending ratios would have poor final product if a high level of accuracy was needed?
Which of the variables below is best defined as a manipulated variable for a standard steam exchanger.
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?
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?
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?
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 gases from the feedwater?
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%
Feedforward control strategies are developed from different sources. Which of the strategies below is derived equations that involve energy or mass balance equations?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?
A system of control is needed in a reciprocating compressor to have consistent pressure. Which of the control systems below is best described as the suction side of the compressor receiving discharge gas?
Which answer below best describes the number "9"?