A randomized 25 question test from a pool of 469 questions, good luck!
Control strategies affect several variables, some at the same time. Which of the variables below is omitted from the pure feedforward control strategy?
In a saturation process that uses static decoupling, what is the value of D₁ and D₂ if K₁₁= 14%, K₁₂=-15%, K₂₁=23% and K₂₂=12%
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?
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?
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?
One of the more common applications for ratio control is fuel to air control schemes. Which of the control schemes below would use a firing demand controller whose signal would arrive at the air controller only?
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?
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 are many different parts and processes to a distillation column. Which of the design feature below can be best described as the piece of equipment that liquefies the tops product?
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?
Responses from feedforward controls have different times. Which of the answers below is a timed response?
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 armed at the successful completion of the start sequence, and stay armed until it's timer expires?
In a SIS, the collection of redundant components must be connected in a specific way. Which of the terms below is used to describe this arrangement?
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as the section that concentrates the heavier component in the liquid phase.
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?
Boiler feedwater treatment is a vital component for the smooth operation of an industrial boiler. Which of the conditioning methods below is comprised of altering the chemical make up of the feedwater?
Which of the answers below is best represented by the number "5" on a typical H1 segment?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as the area where boiler water is equalized, and scale is deposited?
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 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?
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?
A system of control is needed in a reciprocating compressor to have consistent pressure. Which of the control systems below is best described as one that changes the compressors capacity?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as a manipulation of the tops flow?
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?
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?