A randomized 25 question test from a pool of 469 questions, good luck!
Which of the systems below is best defined as being used when there is inherent interaction between loops
Which of the answers below is best described as a relative gain that indicates no loop interaction?
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 the proper air-to-fuel ratios for varying boiler demands?
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?
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?
Process control strategies are always trying to eliminate the effects of a load disturbance. Which of the answers below would use an automatic adjustment of a controlled flow in response to a flow disturbance in the supply stream?
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 the measurement of differential pressures in the compressor, head and inlet flow pressure determines if action is required?
Which of the answers below is best defined as a process that shows an exponential response to a step input?
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?
There are a variety of complications that can arise while using a reciprocating compressor. Which one of the events would be mitigated by a tight control of the water jacket and lube oil?
The static gains of the _______ variable and ________ variable for each loop are contained in the OLM. Choose the best answer to fill in the two blanks from the ones below.
Certain typesof dynamic compressors need specialized components. Which of the components below would be required for a multistage centrifugal compressor?
Which of the control strategies below is best defined as a strategy where all inputs are evaluated and the calculated outputs are transmitted collectively?
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?
Centrifugal compressors have some specialized problems while operating. Which of the terms below is best described as the operation at a high flow rate but low discharge rate?
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.
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?
Responses from feedforward controls have different times. Which of the answers below is not a timed response?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as one that controls the flow out of the condenser to achieve pressure control?
The direct ratio scheme calculates it's ratio using a flow relay. Which of the methods below does the flow relay use?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the intermittent testing to verify operation of SIS devices?
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?
There are two types of Ethernet connector cables. Which type of connector cable is pictured below?
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?
Centrifugal compressors have some specialized problems while operating. Which of the terms below is best described as the flow of gas moving to the impeller from the discharge line due to differential pressure?