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Process controls: FOURTH PERIOD

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

The efficiency of a distillation column has a direct link to pressure control. Which of the answers below is a strategy for total condenser pressure control?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that removes condensate collecting in the suction line between stages?
In relation to open loop static gain calculations the "B" in the picture below is best described by which term below?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that acts as a downstream backflow preventer?
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?
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 best represents the controller gain if the PB is 65%?
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 rate of combustion?
In relation to open loop static gain calculations the "A" in the picture below is best described by which term below?
There are a variety of complications that can arise while using a reciprocating compressor. Which one of the events would be mitigated by a gauge on the suction and discharge lines?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the intermittent testing to verify operation of SIS devices?
Which answer below best represents the subscripts with the static gain symbol in the calculation of the OLM?
Which of the answers below represents the phase shift of a processes natural frequency?
Which of the answers below is best represented by the number "6" on a typical H1 segment?
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?
Which of the answers below is best represented by the number "4" on a typical H1 segment?
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?
Which of the answers below is best defined as affecting the controlled variable through changes in the process?
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 a control that functions despite the surge controller not operating?
The techniques employed in process systems, that have the controlled value as close to the desired value are called control strategies. Which of the strategies below is designed to counter disturbances before they can affect the controlled variable?
Which of the answers below best describes the "C" portion of the reaction curve?
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as the section that concentrates the heavier component in the liquid phase.
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 two component fault indicating components that can initiate a shut down together?
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?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?