A randomized 25 question test from a pool of 469 questions, good luck!
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 a typical distillation process, the top stage of the column will have a ratio of lighter components to heavier components. Which of the answers below reflects this ratio best?
Which of the terms can be best described as a condition of a system or process that does not change over a period of time?
There are a variety of complications that can arise while using a reciprocating compressor. Which one of the events would be mitigated by a tight control of the water jacket and lube oil?
Which of the control systems below is designed to uses the static gain of the transfer functions only?
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 supplied steam pressure?
The pulp mills require feed stock consistency. Which of the control strategies below would be best suited for the quality control of the paper pulp dilution?
Responses from feedforward controls have different times. Which of the answers below is not a timed response?
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?
There are many different parts and processes to a distillation column. Which of the parts below can be best described as the design feature that allows the liquid to enter and exit the trays?
Which of the terms below is best described as the relationship of the system's output to its input?
There are many factors in the proper working of a distillation column. Which of the answers below is one of those factors?
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?
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?
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 shutdown that can be initiated by two components together?
Compressors are split into general categories by how they produce downstream pressure. Which of the answers below would a double-acting piston pump be classified as?
There are many different parts and processes to a distillation column. Which of the processes below can be best described as the design feature that removes some of the liquids lighter components at each stage?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the installation of a SIS in accordance with the design requirements?
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?
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 shutdown that can be initiated by either of it's two components?
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 the proper air-to-fuel ratios for varying boiler demands?
In relation to open loop static gain calculations the "K" in the picture below is best described by which term below?
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 described as a device that has consistent static gain over it's operational range?
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.