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Process controls: FOURTH PERIOD

A randomized 25 question test from a pool of 469 questions, good luck!

There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?
Which of the control terms below is best described as multiple controlled variables are affected by a single manipulated variable?
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 two component fault indicating components that can initiate a shut down together?
In a reciprocating compressor, the piston rod is put under extreme forces and requires monitoring. Which of the situations below would monitor the temperature of the crosshead pin?
Which of the answers below is best described as a relative gain that indicates the control variable as no interaction with the manipulated variable?
Which of the control terms below is best described as multiple controlled variables are affected by a single manipulated variable?
Certain typesof dynamic compressors need specialized components. Which of the components below would be required for a multistage centrifugal compressor?
Which answer below best describes the number "2"?
Which of the answers below best represents the PB if the controller gain is 1.75?
Which of the terms below is best describes the measurement with the other control loop is in automatic, the disruption in the PV with a change in Co?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as an emitted material produced with the combustion of fossil fuels?
A system of control is needed in a reciprocating compressor to have consistent pressure. Which of the control systems below is best described as the suction side of the compressor receiving discharge gas?
Which of the terms below is best describes the measurement with the other control loop is in automatic, the disruption in the PV with a change in Co?
There are several common problems that can arise during a distillation columns operation. Which of the problems below can be described as a lack of vapour speed to keep the liquid on the proper tray?
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 the pH of a boiler system being maintained at 10.5-11.5?
A system of control is needed in a centrifugal compressor to have consistent flow. Which of the variable speed compressor control systems below is best described as a cascade system from the discharge, through a controller, to the motor?
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?
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?
Feedforward control strategies are developed from different sources. Which of the strategies below is derived equations that involve energy or mass balance equations?
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.
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?
Responses from feedforward controls have different times. Which of the answers below is not a timed response?
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?
In regard to the distillation process, Which of the terms below is best described as the The liquid and/or gas entering into the distillation column?
Which answer below best describes the number "9"?