A randomized 25 question test from a pool of 469 questions, good luck!
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as a fast acting type of pressure control?
The RGM needs to be developed to find the ______ of the loop interactions. Choose the best answer below to fill in the blank.
There are a variety of complications that can arise while using a reciprocating compressor. Which one of the events would be mitigated by a flow transmitters sending a signal to a low lube oil flow alarm?
Which of the answers below best describes a advantage that does not belong to a automatic feedback controlled system?
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?
Which of the answers below is best described as a relative gain that indicates the control variable as no interaction with the manipulated variable?
The graph below is an example of a typical positive displacement compressor. Which of the numbered points would best be described as the end of the discharge stroke?
There are a variety of complications that can arise while using a reciprocating compressor. Which one of the events would be mitigated by a tight control of the water jacket and lube oil?
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?
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as where the entrance of the main supply would be located?
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?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an material balance strategy?
Feedforward control strategies are developed from different sources. Which of the strategies below is derived equations that involve energy or mass balance equations?
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?
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as the generation of heat to 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?
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?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as a place where the separation of vapour from liquid occurs?
The use of the direct ratio scheme is not as common as the indirect ratio scheme. Which of the answers below is the main reason why direct ratio control is not as common
In process control, there are many control strategies to choose from. Which of the strategies would only respond to a controlled PV starting to drift from the SP?
There a several different types of feedforward control. Which of the answers below is a strategy developed from processes transfer function?
In a reciprocating compressor, the piston rod is put under extreme forces and requires monitoring. Which of the situations below would monitor the temperature of the crosshead pin?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that isolates the compressor during emergency conditions?
The feedforward compensation control is based on the transfer function of the process. Which of the answers below is one that this type of control has poor performance with a nonlinear process?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that increases efficiency by preventing over heating between stages?