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Process controls: FOURTH PERIOD

A randomized 25 question test from a pool of 469 questions, good luck!

One of the more common applications for ratio control is fuel to air control schemes. Which of the control schemes below would use a a signal arriving at both the air and fuel controllers from the firing demand controller?
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?
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?
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?
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?
Cross limited control provides a safety control in regards to combustion for air to fuel disturbances. Which of the answers below best describes the operation of this type of control?
There a several different types of feedforward control. Which of the answers below is a strategy developed from processes transfer function?
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?
Gasoline is a complex hydrocarbon blend. Which of the rigid specifications below determines the grade of gasoline?
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?
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?
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 armed at the successful completion of the start sequence, and stay armed until it's timer expires?
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?
In process control, there are many control strategies to choose from. Which of the strategies would adjust the manipulated variable by the measured disturbance?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as an exchanger that allows flue gases to heat the boiler feedwater?
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.
There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?
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?
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?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as one that controls the flow out of the condenser to achieve pressure control?
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?
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?
Which of the answers below is best represented by the number "5" on a typical H1 segment?
In a reciprocating compressor, the piston rod is put under extreme forces and requires monitoring. Which of the situations below would a pneumatic eutectic sensor be used?
A calculated value, derived from the mathematical model of the process, of the manipulated variable is applied to the feedback controller ouput signal to the FCE. Which of the answers below would use this type of strategies?