A randomized 25 question test from a pool of 469 questions, good luck!
Which of the answers below is best represented by the number "6" on a typical H1 segment?
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?
Which of the terms below is best described as the FCE's manipulation in the effort to keep the CV close to the SP?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the SIL required to satisfy an RRF of 873?
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?
The feedforward compensation control is based on the transfer function of the process. Which of the answers below is one that this type of control has poor performance with a nonlinear process?
There a some conventional distillation column control strategies. Which of the strategies below is best described as a one that indirectly controls the heat input to the column?
In the distillation process heat is one of the most important variables to control. Which of the answers below would best describe the effects of an increase in heat production?
Which of the answers below represents the phase shift of a processes natural frequency?
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?
Which of the answers below is best described as a relative gain that indicates no loop interaction?
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?
In the distillation process there are two defined variables. Which of the variables below can be best described as the quality of the content that is exiting the column?
A system of control is needed in a reciprocating compressor to have consistent pressure. Which of the control systems below is best described as the suction side of the compressor receiving discharge gas?
The static gains of the _______ variable and ________ variable for each loop are contained in the OLM. Choose the best answer to fill in the two blanks from the ones below.
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 having sodium carbonates substituted with sodium sulfates as a softening agent?
Boiler safety is an important part of reliable operation. Which of the strategies below would concern itself with water carryover?
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?
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.
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 terms below best describes the switching of a loop from manual to automatic, resulting in a change in the control loop static gain?
Which of the answers below best describes the "A" portion of the reaction curve?
Which of the control systems below is designed to uses the static gain and dynamic portions of the transfer functions?
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 steam drum level?
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?
