A randomized 25 question test from a pool of 469 questions, good luck!
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?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as the volume of steam needed for use?
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?
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?
Which of the control terms below is best described as multiple controlled variables are affected by a single manipulated variable?
Which answer below best describes the number "6"?
The indirect ratio scheme is chosen more than the direct ratio scheme for ratio control. Which of the answers below would be considered a major reason for that?
Each compressor have it's own pressure to flow profile at a defined speed. Which of the compressors below would have an inconsistent flow and predictable pressure?
The techniques employed in process systems, that have the controlled value as close to the desired value are called control strategies. Which of the strategies below is designed to counter disturbances before they can affect the controlled variable?
Full range duplex control of a heating control uses two or more FCEs. If a system uses a FO valve and a FC valve, what are the valves positions at 34% of the controller signal?
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?
Responses from feedforward controls have different times. Which of the answers below is not a timed response?
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?
Which answer below best describes the number "7"?
Gasoline is a complex hydrocarbon blend. Which of the blending ratios would use a pace controller to set the RSP for all of the lines being blended?
Which of the control systems below is designed to uses the static gain of the transfer functions only?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an material balance strategy?
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 would be the best type of pressure control for a typical distillation column?
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?
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?
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?
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
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as a fuel and air mixing chamber for proper combustion?
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?