A randomized 25 question test from a pool of 469 questions, good luck!
All feedforward control strategies respond to a disturbance before it reaches the CV. Which of the strategies below does not verify that the CV has returned to the desired value
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as an emitted material produced with the combustion of fossil fuels?
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 monitoring only those conditions that apply to start-up?
Surge is the worst conditions that a centrifugal compressor can have, so some control strategies have been developed to mitigate this. Which of the strategies below can be described as a control that functions despite the surge controller not operating?
Which of the answers below best describes a disadvantage that does not belong to a manually controlled system?
In a split range control strategy, FCE "A" has a range of 0-50% and FCE"B" has a range of 50-100% of the controller signal. Which of the answers below how the FCEs are configured at 35% control signal?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as an area where the temperature of the superheated steam is controlled with boiler feedwater?
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 simplest method?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as an area where the temperature of the superheated steam is controlled with boiler feedwater?
A calculated value, derived from the mathematical model of the process, of the manipulated variable is applied to the feedback controller ouput signal to the FCE. Which of the answers below would use this type of strategies?
In a reciprocating compressor, the piston rod is put under extreme forces and requires monitoring. Which of the situations below would use mounted strain gauges?
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?
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 a some conventional distillation column control strategies. Which of the strategies below is best described as a one that does not control output flows from the column?
Which of the answers below best describes the "C" portion of the reaction curve?
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 breakdown of any one of the components of a SIF is hazardous. Which of the components below are the most prone to breakdown?
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 answer below best describes the number "1"?
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?
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?
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 main steam header pressure controller?
Which of the control systems below is designed to uses the static gain of the transfer functions only?
As with any mechanical or electrical system there are failures. Which of the answers below best describes when the SIF is not operating or responding to signals?
Control strategies affect several variables, some at the same time. Which of the variables below is omitted from the pure feedforward control strategy?