A randomized 25 question test from a pool of 469 questions, good luck!
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
Which of the answers below is best described as having built-in feedback characteristics that cause the process to tend towards equilibrium.
Which of the terms below is best described as the controlled value setting that is desired?
There are several common problems that can arise during a distillation columns operation. Which of the problems below can be described as when the vapour avoids the upper tray due to a lack of a seal in the downcomer from the tray above?
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 gases from the feedwater?
Responses from feedforward controls have different times. Which of the answers below is a timed response?
Direct and indirect ratio control have an inherent problem that requires the addition of feedback trim. Which of the answers below best describes that issue?
The graph below is an example of a typical positive displacement compressor. Which of the numbered points would best be described as the end of the discharge stroke?
Which of the answers below best represents the HART protocol specification for characteristic impedance in the cabling used?
There are many different parts and processes to a distillation column. Which of the processes below can be best described as the residual liquid exiting the tray at each stage?
Which answer below best represents the subscripts with the static gain symbol in the calculation of the OLM?
Which of the variables below is best defined as a manipulated variable for a standard steam exchanger.
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?
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 some specialized equipment that is on a fractional distillation column. Which of the answers below best describes what the function of a "pump around" on one of those columns?
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?
In the distillation process heat is one of the most important variables to control. Which of the answers below would best describe the effects of an increase in heat production?
Which of the answers below best represents the controller gain if the PB is 65%?
Which of the control strategies below is best defined as a strategy where all inputs are evaluated and the calculated outputs are transmitted collectively?
Which of the terms below would be best described as a systems predefined value?
Which of the answers below best represents the PB if the controller gain is 1.75?
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?
Which of the answers below is best represented by the number "6" on a typical H1 segment?
Which of the terms below would best describe a loop gain of 1?
Which of the answers below is best defined as the systems reaction to applying an input to the control system, and the time to reach steady state?