A randomized 25 question test from a pool of 469 questions, good luck!
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?
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?
On a typical boiler control system, there are four main points of control. Which of the answers below would best be manipulated to control the supplied steam pressure?
In the arena of process control, there are some that deal with more than one FCE at a time. Which of the control strategies below would be best suited for processes that need 2 FCEs, used at the same time, to control a single manipulated variable
There are a variety of complications that can arise while using a reciprocating compressor. Which one of the events would be mitigated by a gauge on the suction and discharge lines?
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?
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?
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?
Which of the control terms below is best described as multiple controlled variables are affected by a single manipulated variable?
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 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?
A Split range control system divides the total span of the controllers output. If FCE "A" was set to 0%-50% of the CO, and FCE "B" was set from 50%-100%of CO output, what would be the total percent of stroke used for each valve at 34% CO output signal?
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?
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 pressure of the furnace?
A measured disturbance by a transmitter, whose output signal modifies the feedforward controller output signal to the FCE is used by which of the control strategies below?
Which of the answers below is best represented by the number "5" on a typical H1 segment?
The relative amount of heat lost in the column is reflected in the reflux ratio. If the ratio were to increase, which of the answers below would describe the effect on the light key in the distillate?
Which of the answers below is best represented by the number "3" on a typical H1 segment?
Which of the answers below best describes the "B" portion of the reaction curve?
Responses from feedforward controls have different times. Which of the answers below is a timed response?
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?
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as the section that concentrates the heavier component in the liquid phase.
In process control, there are many control strategies to choose from. Which of the strategies would use the comparison of the PV to the desired SP?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as an area where the heat produced by combustion is transferred to saturated steam?
There a some conventional distillation column control strategies. Which of the strategies below is best described as a one that does not control output flows from the column?