A randomized 25 question test from a pool of 469 questions, good luck!
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 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?
In industry, distillation columns have grown to encompass the needs that are required. Which of the columns below would best be described as one that removes distillate form multiple points on the column?
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?
Boiler safety is an important part of reliable operation. Which of the strategies below would concern itself with water carryover?
Gasoline is a complex hydrocarbon blend. Which of the rigid specifications below determines the volatility of gasoline?
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 controller that can be used in auto or manual to set firing rates?
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 rate of combustion?
Using the picture below, which variable is best defined as "manipulated"?
Which of the control terms below is best described as multiple controlled variables are affected by a single manipulated variable?
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as the trays between the feed tray and the top of the column?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as an area where the temperature of the superheated steam is controlled with boiler feedwater?
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?
In relation to open loop static gain calculations the "K" in the picture below is best described by which term below?
Which of the answers below best represents a tuning consideration that is not required for ideal loop response?
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?
Which of the terms below best describes the switching of a loop from manual to automatic, resulting in a change in the control loop static gain?
In process control, there are many control strategies to choose from. Which of the strategies would adjust the manipulated variable by the measured disturbance?
Which of the answers below is best defined as a process that shows an exponential response to a step input?
Which answer below best describes the number "10"?
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?
In a reciprocating compressor, the piston rod is put under extreme forces and requires monitoring. Which of the situations below would monitor the temperature of the crosshead pin?
Gasoline is a complex hydrocarbon blend. Which of the rigid specifications below determines the grade of gasoline?
Which of the control systems below is designed to uses the static gain of the transfer functions only?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the suitability of SIS devices manufactured to meet industry standards for safety?