A randomized 25 question test from a pool of 469 questions, good luck!
There are several common problems that can arise during a distillation columns operation. Which of the problems below can be described as when the vapour avoids the upper tray due to a lack of a seal in the downcomer from the tray above?
Several control strategies involve the control of one or more FCEs. Which of the control stategies below does each FCE use the full control signal?
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?
IPv4 network classes can also be defined by the default subnet masks that they use. If the subnet mask was 255255.255.0, which of the classes below would be used?
To minimize the loop interaction in a multi-loop control system, the CO and PV whose ______ pairing is closest to +1 is most desirable. Choose the best answer from those 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 the proper positioning of proximity probes?
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?
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?
Which of the control terms below is best described as multiple controlled variables are affected by a single manipulated variable?
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?
Which of the control systems below is designed to uses the static gain of the transfer functions only?
In the arena of process control, there are some that deal with more than one FCE at a time. Which of the control strategies below would be best suited for processes that need 2 FCEs, used at the same time, to control a single manipulated variable
There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an material balance strategy?
There are many factors in the proper working of a distillation column. Which of the answers below is one of those factors?
Starting a boiler is an extremely complicated procedure. Which of the start-up steps would include excess fuel being expelled from the furnace?
Boiler safety is an important part of reliable operation. Which of the strategies below would concern itself with maintaining proper furnace pressures?
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?
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?
Calculate the RGM of a process with the following static gains: K₁₁=1.33, K₁₂=-1.25, K₂₁=0.8, K₂₂=0.58.Ꙡ₂₂Ꙡ₁₁Ꙡ₁₂Ꙡ₂₁
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?
There are a variety of complications that can arise while using a reciprocating compressor. Which one of the events would be mitigated by a gauge on the suction and discharge lines?
The applications for process control are varied. Which of the control strategies below would be best in waste effluent neutralization?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?
In relation to open loop static gain calculations the "K" in the picture below is best described by which term below?