A randomized 25 question test from a pool of 469 questions, good luck!
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?
There are several common problems that can arise during a distillation columns operation. Which of the problems below can be described as an accumulation of liquid that can block vapour from rising?
There are many different parts and processes to a distillation column. Which of the processes below can be best described as the design feature that removes some of the liquids lighter components at each stage?
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as the part of the column that contains the greatest portion of heavier components of the mixture?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that improves the efficiency and range of operation?
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
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?
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?
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?
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as the section that concentrates the heavier component in the liquid phase.
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 are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as the volume of steam needed for use?
Which of the systems below is best defined as being used when there is inherent interaction between loops
There are many different parts and processes to a distillation column. Which of the processes below can be best described as a column filled with material that allows the vapour and liquid to flow freely up and down the column?
There a some conventional distillation column control strategies. Which of the strategies below is best described as a direct setting of one of the output flows?
In the distillation process there are two defined variables. Which of the variables below can be best described as the quantity of feed that is removed from the process as distillate or heavies?
The graph below is an example of a typical positive displacement compressor. Which of the numbered points would best be described as when the differential pressure opens the suction valves to intake more gas?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as the pressure control where there is no manipulation of the coolant flow to the condenser?
Certain typesof dynamic compressors need specialized components. Which of the components below would be required for a multistage centrifugal compressor?
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?
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 water level in the steam drum?
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?
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 armed at the successful completion of the start sequence, and stay armed until it's timer expires?
In process control, there are many control strategies to choose from. Which of the strategies would use the comparison of the PV to the desired SP?
Whic of the responses below can be best described as extremely stable, with no overshoot, but slower than critically damped response?