A randomized 25 question test from a pool of 469 questions, good luck!
Which of the answers below is best represented by the number "3" on a typical H1 segment?
with dynamic feedforward compensation, if the disturbance dead time is _____ than the process dead time, the dead time parameter is ______. Use the answers below to choose the one that fills in both blanks best.
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?
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?
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?
Which of the control strategies below is best defined as a strategy where all inputs are evaluated and the calculated outputs are transmitted collectively?
In a reciprocating compressor, the piston rod is put under extreme forces and requires monitoring. Which of the situations below would a pneumatic eutectic sensor be used?
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 increases efficiency by preventing over heating between stages?
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 the pH of a boiler system being maintained at 10.5-11.5?
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?
Boiler feedwater treatment is a vital component for the smooth operation of an industrial boiler. Which of the conditioning methods below is comprised of mechanically removing impurities from the mud drum?
Gasoline is a complex hydrocarbon blend. Which of the rigid specifications below determines the grade of gasoline?
There are many different parts and processes to a distillation column. Which of the processes below can be best described as a column filled with material that allows the vapour and liquid to flow freely up and down the column?
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?
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?
Which of the answers below is best represented by the number "6" on a typical H1 segment?
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?
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 having no time limits, and armed when the process is in operating limits, and
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?
There are several common problems that can arise during a distillation columns operation. Which of the problems below can be described as when the vapour avoids the upper tray due to a lack of a seal in the downcomer from the tray above?
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 pressure reduction from a change in the angle of the gases path across the impeller?
Each compressor have it's own pressure to flow profile at a defined speed. Which of the compressors below would have a predictable flow and inconsistent pressure?
Which answer below best describes the number "9"?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that safeguards against over pressurization?