A randomized 25 question test from a pool of 469 questions, good luck!
Which of the answers below best describes a decoupling control strategy?
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?
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 adding chemicals that cause impurities to precipitate to the mud drum?
Which of the answers below is best described as a relative gain that indicates the control variable as no interaction with the 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?
Boiler feedwater treatment is a vital component for the smooth operation of an industrial boiler. Which of the conditioning methods below is comprised of Mechanically removing gases from the feedwater?
Electric switches and transmitters make up the bulk of the sensors in a safety system. Which type of sensor architecture below is best described as shutdown that can be initiated by two out of a total of three components?
Gasoline is a complex hydrocarbon blend. Which of the blending ratios would introduce a product to be mixed with the primary stream upstream of the first flow quantity controller?
In relation to open loop static gain calculations the "B" in the picture below is best described by which term below?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as the pressure control where there is no manipulation of the coolant flow to the condenser?
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?
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?
Control strategies affect several variables, some at the same time. Which of the variables below is omitted from the pure feedforward control strategy?
Gasoline is a complex hydrocarbon blend. Which of the blending ratios would use quantity controllers and pulse flowmeters on each stream to create the blend ratio?
Which of the control systems below is designed to uses the static gain and dynamic portions of the transfer functions?
In an industrial application, there are systems where two or more boilers supply a main header. Which of the terms below would best describe the controller that can be used in auto or manual to set firing rates?
Operating a distillation column is an excersize in fine tuning a process. Which of the answers below would cause a problem in the operation of a column?
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 an exchanger that allows flue gases to heat the boiler feedwater?
When tuning with out decoupling, the _______ step is to tune the faster loops, the _______ step is to tune the most important loop. Choose the answer below that best fills in both blanks.
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?
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?
Boiler feedwater treatment is a vital component for the smooth operation of an industrial boiler. Which of the conditioning methods below is comprised of Mechanically removing gases from the feedwater?
Which of the answers below best represents a tuning consideration that is not required for ideal loop response?