A randomized 25 question test from a pool of 469 questions, good luck!
There are several ways to control the pressure in a distillation column. Which of the answers below is would be the best type of pressure control for a typical distillation column?
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?
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?
Which of the responses below is best described as although slower than ¼ amplitude decay, the response is stable and has no overshoot?
Calculate the static gain of a process that has a step change of 15% in CO₁, creating a 20% change in PV₁ and a 12% change in PV₂ while CO₂ is held constant. A step change of 12% in CO₂ creates a -15% change in PV₁ and a 7% change in PV₂?
SAMA has various symbols for the elements or functions of a boiler. Which of the answers below correctly identifies "D"?
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?
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 monitoring only those conditions that apply to start-up?
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?
Which of the terms below is best described as the delay from when a controller output (CO) load disturbance is issued until when the measured process variable begins to respond.
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?
There are many different parts and processes to a distillation column. Which of the parts below can be best described as the design feature that allows the liquid to enter and exit the trays?
This additional control scheme can be added to a parallel metering cross-limited control system. Which of the answers best describes this extra control system that has all signals in percentages?
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?
Process control strategies are always trying to eliminate the effects of a load disturbance. Which of the answers below would use an automatic adjustment of a controlled flow in response to a flow disturbance in the supply stream?
On a typical boiler control system, there are four main points of control. Which of the answers below would best be manipulated to control boiler furnace pressure?
SAMA has various symbols for the elements or functions of a boiler. Which of the answers below correctly identifies "D"?
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?
A system of control is needed in a reciprocating compressor to have consistent pressure. Which of the control systems below is best described as one that changes the compressors capacity?
Which of the terms below can be best described as supplies the individual devices with data and power from the trunk line in an H1 transmission system?
Several control strategies involve the control of one or more FCEs. Which of the control stategies below does each FCE use a portion of the control signal?
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 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?
Calculate the RGM of a process with the following static gains: K₁₁=1.33, K₁₂=-1.25, K₂₁=0.8, K₂₂=0.58.Ꙡ₂₂Ꙡ₁₁Ꙡ₁₂Ꙡ₂₁
SIS components are indicated on P&ID's, showing which devices are part of this system. Which of the letters below signifies is a variable modifier for a device is a part of the SIS?