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Process controls: FOURTH PERIOD

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

There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as a Provides air for combustion from outside the boiler?
A system of control is needed in a centrifugal compressor to have consistent flow. Which of the variable speed compressor control systems below is best described as a cascade system from the discharge, through a controller, to the motor?
Surge is the worst conditions that a centrifugal compressor can have, so some control strategies have been developed to mitigate this. Which of the strategies below can be described as the measurement of differential pressures in the compressor, head and inlet flow pressure determines if action is required?
In process control, there are many control strategies to choose from. Which of the strategies would adjust the manipulated variable by the measured disturbance?
There a some conventional distillation column control strategies. Which of the strategies below is best described as a one that does not control output flows from the column?
Calculate the RGM of a process with the following static gains: K₁₁=1.33, K₁₂=-1.25, K₂₁=0.8, K₂₂=0.58.Ꙡ₂₂Ꙡ₁₁Ꙡ₁₂Ꙡ₂₁
Which of the answers below is best represented by the number "4" on a typical H1 segment?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as the control of the condensers coolant flow?
A system of control is needed in a reciprocating compressor to have consistent pressure. Which of the control systems below is best described as one that adjust the compression rate of the compressor?
Several control strategies involve the control of one or more FCEs. Which of the control stategies below does each FCE use the full control signal?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that improves the efficiency and range of operation?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the management of the live SIS system, including testing and repairs?
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 simplest method?
Which of the answers below is best described as a relative gain that indicates the control variable as no interaction with the manipulated variable?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as a fuel and air mixing chamber for proper combustion?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that diminishes the oscillations of a compressor to acceptable tolerances?
A measured disturbance by a transmitter, whose output signal modifies the feedforward controller output signal to the FCE is used by which of the control strategies below?
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.
There are many factors in the proper working of a distillation column. Which of the answers below is one of those factors?
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?
Which of the answers below is best described as having built-in feedback characteristics that cause the process to tend towards equilibrium.
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
In the distillation process there are two defined variables. Which of the variables below can be best described as the quantity of feed that is removed from the process as distillate or heavies?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as a fast acting type of pressure control?
Which of the responses below is best described as although slower than ¼ amplitude decay, the response is stable and has no overshoot?