A randomized 25 question test from a pool of 469 questions, good luck!
There are many factors in the proper working of a distillation column. Which of the answers below is one of those factors?
In industry, distillation columns have grown to encompass the needs that are required. Which of the columns below would best be described as one that removes distillate form multiple points on the column?
SIS's use is based solely on the reduction of risk. Which of the terms below is best described as unjustifiable risk?
Which of the answers below is best described as a relative gain that indicates the control variable as no interaction with the manipulated variable?
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?
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?
Which of the terms below is best described as a feedback signal that relates to the measurement of the CV
A system of control is needed in a centrifugal compressor to have consistent flow. Which of the constant speed compressor control systems below is best described as a restriction on the inlet flow, reducing the discharge flow?
There a some conventional distillation column control strategies. Which of the strategies below is best described as a one that indirectly controls the heat input to the column?
In a reciprocating compressor, the piston rod is put under extreme forces and requires monitoring. Which of the situations below would a pneumatic eutectic sensor be used?
The relative amount of heat lost in the column is reflected in the reflux ratio. If the ratio were to increase, which of the answers below would describe the effect on the light key in the distillate?
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?
There are a variety of complications that can arise while using a reciprocating compressor. Which one of the events would be mitigated by a flow transmitters sending a signal to a low lube oil flow alarm?
Even a peak operating boiler must be protected from various issues that effect it's performance. Which of the terms below would be best be prevented by adding chemicals that cause impurities to precipitate to the mud drum?
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?
In the distillation process there are two defined variables. Which of the variables below can be best described as the quality of the content that is exiting the column?
Even a peak operating boiler must be protected from various issues that effect it's performance. Which of the terms below would be best be prevented by a chemical treatment coinciding with regular blowdowns, keeping the TDS near 0.03 ppm?
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
As with any mechanical or electrical system there are failures. Which of the answers below best describes when a process shutdown occurs due to a triggered SIF, although no event transpires?
Flaring gas preforms a vital safety role in refineries. Which of the control strategies is best suited for the flaring of gas?
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?
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 rate of combustion?
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?
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 predictive to any system response to an input?