A randomized 25 question test from a pool of 469 questions, good luck!
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 the proper air-to-fuel ratios for varying boiler demands?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the ratio of detected failure rates in a device or system?
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.
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 of the control strategies below is best defined as a strategy where all inputs are evaluated and the calculated outputs are transmitted collectively?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as a slow acting type of pressure control?
Starting a boiler is an extremely complicated procedure. Which of the start-up steps would include the pressure in the burner valve system must be within acceptable limits?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that removes condensate collecting in the suction line between stages?
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 answers below best describes the "C" portion of the reaction curve?
Which of the terms below would best describe a loop gain of 1?
In industry, distillation columns have grown to encompass the needs that are required. Which of the columns below would best be described as one that removes distillate form multiple points on the column?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of a coil?
Which of the terms below is best described as the FCE's manipulation in the effort to keep the CV close to the SP?
A system of control is needed in a centrifugal compressor to have consistent flow. Which of the variable speed compressor control systems below is best described as a cascade system from the discharge, through a controller, to the motor?
Boiler feedwater treatment is a vital component for the smooth operation of an industrial boiler. Which of the conditioning methods below is comprised of filtration and softening before entering the boiler feedwater system
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?
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 matching of steam supply with the demand?
Starting a boiler is an extremely complicated procedure. Which of the start-up steps would include the pressure for the igniter system being acceptable limits?
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?
Which of the answers below best represents the controller gain and action on a P-only controller, if the PV increases 10% and the CO drops 15%?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?
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?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that diminishes the oscillations of a compressor to acceptable tolerances?
with dynamic feedforward compensation, if the disturbance dead time is _____ than the process dead time, the dead time parameter is ______. Use the answers below to choose the one that fills in both blanks best.