A randomized 25 question test from a pool of 469 questions, good luck!
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?
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 controller that can be used in auto or manual to set firing rates?
Which of the terms below best describes the switching of a loop from manual to automatic, resulting in a change in the control loop static gain?
SIS components are indicated on P&ID's, showing which devices are part of this system. Which of the letters below signifies is a variable modifier for a device is a part of the SIS?
The control of the composition that is produced from a distillation column involves several variables. Which of the answers below best represents the major variable(s) that must be kept in balance?
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?
On a typical boiler control system, there are four main points of control. Which of the answers below would best be manipulated to control the steam drum level?
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?
To minimize the loop interaction in a multi-loop control system, the CO and PV whose ______ pairing is closest to +1 is most desirable. Choose the best answer from those below to fill in the blank.
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 pressure reduction from a change in the angle of the gases path across the impeller?
Which of the answers below best describes a centralized control strategy?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as the control of the condensers coolant flow?
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??
Boiler feedwater treatment is a vital component for the smooth operation of an industrial boiler. Which of the conditioning methods below is comprised of filtration and softening before entering the boiler feedwater system
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that releases pressure after the compressor shuts down?
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?
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?
IPv4 network classes can also be defined by the default subnet masks that they use. If the subnet mask was 255255.255.0, which of the classes below would be used?
In a split range control strategy, FCE "A" has a range of 0-50% and FCE"B" has a range of 50-100% of the controller signal. Which of the answers below how the FCEs are configured at 35% control signal?
There a several different types of feedforward control. Which of the answers below is a strategy developed from processes transfer function?
There a a wide variety of processes in any plant. Which of the processes use condensation and vapourization to separate the individual components of a liquid mixture?
SAMA has various symbols for the elements or functions of a boiler. Which of the answers below correctly identifies "E"?
To minimize the loop interaction in a multi-loop control system, the CO and PV whose ______ pairing is closest to +1 is most desirable. Choose the best answer from those below to fill in the blank.
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the internal capacity to function properly with a small amount of faults?
Electric switches and transmitters make up the bulk of the sensors in a safety system. Which type of sensor architecture below is best described as a shutdown that can be initiated by either of it's two components?