A randomized 25 question test from a pool of 469 questions, good luck!
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?
Gasoline is a complex hydrocarbon blend. Which of the rigid specifications below determines the grade of gasoline?
Compressors are split into general categories by how they produce downstream pressure. Which of the answers below would a centrifugal compressor be classified as?
Which of the answers below is not a damped response? Choose the best answer from those below
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, while allowing for excess air for combustion??
Which of the answers below is best defined as a process that shows an exponential response to a step input?
Calculate the RGM of a process with the following static gains: K₁₁=1.33, K₁₂=-1.25, K₂₁=0.8, K₂₂=0.58.Ꙡ₂₂Ꙡ₁₁Ꙡ₁₂Ꙡ₂₁
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.
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?
Which of the terms below is best described as the discrepancy between the PV and the SP?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as a Provides air for combustion from outside the boiler?
In relation to open loop static gain calculations the "A" in the picture below is best described by which term below?
Calculate the static gain of a process that has a step change of 15% in CO₁, creating a 20% change in PV₁ and a 12% change in PV₂ while CO₂ is held constant. A step change of 12% in CO₂ creates a -15% change in PV₁ and a 7% change in PV₂?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that acts as a downstream backflow preventer?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that removes condensate collecting in the suction line between stages?
In regard to the distillation process, Which of the terms below is best described as the The liquid and/or gas entering into the distillation column?
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as the trays between the feed tray and the top of the column?
The breakdown of any one of the components of a SIF is hazardous. Which of the components below are the most prone to breakdown?
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
Which of the terms below would best describe a loop gain of 1?
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?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?
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?
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?
Control strategies affect several variables, some at the same time. Which of the variables below is omitted from the pure feedforward control strategy?