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 a lack of vapour speed to keep the liquid on the proper tray?
Which of the terms below is best described as a process response to a load disturbance that moves in one direction until the limitations of physical equipment is met or exceeded?
Which of the answers below is best represented by the number "6" on a typical H1 segment?
In the distillation process there are two defined variables. Which of the variables below can be best described as the quality of the content that is exiting the column?
On a typical boiler control system, there are four main points of control. Which of the answers below would best be manipulated to control boiler furnace pressure?
Boiler safety is an important part of reliable operation. Which of the strategies below would use premissives and interlocks to prevent explosions?
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?
The pulp mills require feed stock consistency. Which of the control strategies below would be best suited for the quality control of the paper pulp dilution?
Which of the control strategies below is best defined as a strategy where all inputs are evaluated and the calculated outputs are transmitted collectively?
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.
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?
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?
Which of the control terms below is best described as multiple controlled variables are affected by a single manipulated variable?
The efficiency of a distillation column has a direct link to pressure control. Which of the answers below is a strategy for total condenser pressure control?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?
Which answer below best describes the number "2"?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the internal capacity to function properly with a small amount of faults?
Which of the answers below is best described as a relative gain that indicates the control variable as no interaction with the manipulated variable?
If an unusual condition appears, compressor control systems have instruments that will shut down the compressor safely. Which of the shutdown classes below is best described as having no time limits, and armed when the process is in operating limits, and
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?
The control of the composition that is produced from a distillation column involves several variables. Which of the answers below best represents the major variable(s) that must be kept in balance?
Each compressor have it's own pressure to flow profile at a defined speed. Which of the compressors below would have a predictable flow and inconsistent pressure?
Which answer below best describes the number "10"?
In relation to open loop static gain calculations the "B" in the picture below is best described by which term below?
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 water level in the steam drum?