A randomized 25 question test from a pool of 469 questions, good luck!
Which of the terms below is best described as the controlled value setting that is desired?
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?
The static gains of the _______ variable and ________ variable for each loop are contained in the OLM. Choose the best answer to fill in the two blanks from the ones below.
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as the process of condensed tops reintroduced 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 mechanically removing impurities from the mud drum?
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%
Which of the answers below is best defined as affecting the controlled variable through changes in the process?
In relation to open loop static gain calculations the "B" in the picture below is best described by which term below?
Which of the answers below is best described as a relative gain that indicates no loop interaction?
A system of control is needed in a centrifugal compressor to have consistent flow. Which of the variable speed compressor control systems below is best described as a cascade system from the discharge, through a controller, to the motor?
Starting a boiler is an extremely complicated procedure. Which of the start-up steps would include the pressure in the burner valve system must be within acceptable limits?
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 is used for distillate storage?
Which of the answers below best represents the HART protocol specification for characteristic impedance in the cabling used?
Which one of the terms below is best described as a measure of the output of first order system reacting to a load disturbance?
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?
Which of the terms below is best describes when the other control loop is in manual, the disruption in the PV with a change in Co?
The techniques employed in process systems, that have the controlled value as close to the desired value are called control strategies. Which of the strategies below is designed to counter disturbances before they can affect the controlled variable?
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 adjust the compression rate of the compressor?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that diminishes the oscillations of a compressor to acceptable tolerances?
Centrifugal compressors have some specialized problems while operating. Which of the terms below is best described as the operation at a high flow rate but low discharge rate?
Gasoline is a complex hydrocarbon blend. Which of the blending ratios would use a pace controller to set the RSP for all of the lines being blended?
The breakdown of any one of the components of a SIF is hazardous. Which of the components below are the most prone to breakdown?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an material balance strategy?
Which of the terms below is best described as the delay from when a controller output (CO) load disturbance is issued until when the measured process variable begins to respond.
Responses from feedforward controls have different times. Which of the answers below is not a timed response?