A randomized 25 question test from a pool of 469 questions, good luck!
The indirect ratio scheme is chosen more than the direct ratio scheme for ratio control. Which of the answers below would be considered a major reason for that?
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?
Which of the answers below best represents the PB if the controller gain is 1.75?
In process control, there are many control strategies to choose from. Which of the strategies would only respond to a controlled PV starting to drift from the SP?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the SIL required to satisfy an RRF of 87
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?
Calculate the RGM of a process with the following static gains: K₁₁=1.33, K₁₂=-1.25, K₂₁=0.8, K₂₂=0.58.Ꙡ₂₂Ꙡ₁₁Ꙡ₁₂Ꙡ₂₁
Using the picture below, which variable is best defined as "controlled"?
In an industrial application, there are systems where two or more boilers supply a main header. Which of the terms below would best describe the main steam header pressure controller?
Which of the answers below is best described as the quantitative measurement of best controlled and manipulated variable pairings to limit loop interaction?
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?
Which of the answers below best represents a tuning consideration that is not required for ideal loop response?
In an industrial application, there are systems where two or more boilers supply a main header. Which of the terms below would best describe the main steam header pressure controller?
Which of the answers below is best described as a relative gain that indicates the control variable as no interaction with the manipulated variable?
The feedforward compensation control is based on the transfer function of the process. Which of the answers below is one that this type of control has poor performance with a nonlinear process?
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as the part of the column that contains the greatest portion of heavier components of the mixture?
Boiler safety is an important part of reliable operation. Which of the strategies below would use premissives and interlocks to prevent explosions?
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?
The graph below is an example of a typical positive displacement compressor. Which of the numbered points would best be described as when the discharge valve open due to pressure differential?
There are several common problems that can arise during a distillation columns operation. Which of the problems below can be described as a lack of vapour speed to keep the liquid on the proper tray?
The graph below is an example of a typical positive displacement compressor. Which of the numbered points would best be described as when the cylinder is full of gas at suction pressure?
Compressors are split into general categories by how they produce downstream pressure. Which of the answers below would a centrifugal compressor be classified as?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of a coil?
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?
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?