A randomized 25 question test from a pool of 469 questions, good luck!
Control strategies affect several variables, some at the same time. Which of the variables below is omitted from the pure feedforward control strategy?
Which of the systems below is best defined as being used when there is inherent interaction between loops
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 best describes the "C" portion of the reaction curve?
Which of the control strategies below is best defined as a strategy where all inputs are evaluated and the calculated outputs are transmitted collectively?
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?
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 control terms below is best described as multiple controlled variables are affected by a single manipulated variable?
Gasoline is a complex hydrocarbon blend. Which of the rigid specifications below determines the volatility of gasoline?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as a tube not directly heated, that allows thermal movement of water to the mud drum?
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?
The graph below is an example of a typical positive displacement compressor. Which of the numbered points would best be described as when the discharge valve open due to pressure differential?
Which answer below best describes the number "5"?
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 responses below is best described as although slower than ¼ amplitude decay, the response is stable and has no overshoot?
Compressors are split into general categories by how they produce downstream pressure. Which of the answers below would a centrifugal compressor be classified as?
Which of the control terms below is best described as multiple controlled variables are affected by a single manipulated variable?
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?
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?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as a fan that pulls and drives flue gases up the stack?
Boiler safety is an important part of reliable operation. Which of the strategies below would concern itself with maintaining proper furnace pressures?
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?
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?
There a some conventional distillation column control strategies. Which of the strategies below is best described as a direct setting of the columns thermal properties?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as the area where boiler water is equalized, and scale is deposited?