A randomized 25 question test from a pool of 469 questions, good luck!
The control of the composition that is produced from a distillation column involves several variables. Which of the answers below best represents the major variable(s) that must be kept in balance?
The use of the direct ratio scheme is not as common as the indirect ratio scheme. Which of the answers below is the main reason why direct ratio control is not as common
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 conditions that are always monitored and alarms are armed?
Centrifugal compressors have some specialized problems while operating. Which of the terms below is best described as the flow of gas moving to the impeller from the discharge line due to differential pressure?
Starting a boiler is an extremely complicated procedure. Which of the start-up steps would include the pressure in the burner valve system must be within acceptable limits?
Compressors are split into general categories by how they produce downstream pressure. Which of the answers below would a centrifugal compressor be classified as?
SAMA has various symbols for the elements or functions of a boiler. Which of the answers below correctly identifies "E"?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to a collection of devices that reduce a specific hazards risk?
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 control systems below is designed to uses the static gain of the transfer functions only?
Which of the answers below is best represented by the number "4" on a typical H1 segment?
The static gains of the _______ variable and ________ variable for each loop are contained in the OLM. Choose the best answer to fill in the two blanks from the ones below.
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 design feature below can be best described as the process of condensed tops reintroduced to the column?
Even a peak operating boiler must be protected from various issues that effect it's performance. Which of the terms below would be best be prevented by having sodium carbonates substituted with sodium sulfates as a softening agent?
Responses from feedforward controls have different times. Which of the answers below is a timed response?
Gasoline is a complex hydrocarbon blend. Which of the rigid specifications below determines the grade of gasoline?
The graph below is an example of a typical positive displacement compressor. Which of the numbered points would best be described as the end of the discharge stroke?
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 shutdown that can be initiated by two out of a total of three components?
SIS's use is based solely on the reduction of risk. Which of the terms below is best described as unjustifiable risk?
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?
The graph below is an example of a typical positive displacement compressor. Which of the numbered points would best be described as the end of the discharge stroke?
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"?
Feedforward control strategies are developed from different sources. Which of the strategies below is derived equations that involve energy or mass balance equations?