A randomized 25 question test from a pool of 469 questions, good luck!
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?
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
Which answer below best describes the number "6"?
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 a some conventional distillation column control strategies. Which of the strategies below is an example of an material balance strategy?
SAMA has various symbols for the elements or functions of a boiler. Which of the answers below correctly identifies "C"?
SAMA has various symbols for the elements or functions of a boiler. Which of the answers below correctly identifies "A"?
Boiler safety is an important part of reliable operation. Which of the strategies below would concern itself with water carryover?
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?
Using the picture below, which variable is best defined as "manipulated"?
A system of control is needed in a centrifugal compressor to have consistent flow. Which of the constant speed compressor control systems below is best described as a restriction on the inlet flow, reducing the discharge flow?
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 adding chemicals that cause impurities to precipitate to the mud drum?
Which of the answers below best describes the "A" portion of the reaction curve?
Control strategies affect several variables, some at the same time. Which of the variables below is omitted from the pure feedforward control strategy?
Boiler feedwater treatment is a vital component for the smooth operation of an industrial boiler. Which of the conditioning methods below is comprised of altering the chemical make up of the feedwater?
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 armed at the successful completion of the start sequence, and stay armed until it's timer expires?
SAMA has various symbols for the elements or functions of a boiler. Which of the answers below correctly identifies "D"?
Which of the terms below is best described as the relationship of the system's output to its input?
As with any mechanical or electrical system there are failures. Which of the answers below best describes when a process shutdown occurs due to a triggered SIF, although no event transpires?
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?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as a manipulation of the tops flow?
Which answer below best describes the number "9"?
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 armed at the successful completion of the start sequence, and stay armed until it's timer expires?
Which of the answers below best represents the controller gain if the PB is 65%?
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?