A randomized 25 question test from a pool of 469 questions, good luck!
Which of the answers below is best represented by the number "6" on a typical H1 segment?
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?
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?
Which of the answers below is best described as a relative gain that indicates no loop interaction?
Which of the answers below is best defined as a process that shows an exponential response to a step input?
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 a control that functions despite the surge controller not operating?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as a tube not directly heated, that allows thermal movement of water to the mud drum?
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?
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?
There are a variety of complications that can arise while using a reciprocating compressor. Which one of the events would be mitigated by a gauge on the suction and discharge lines?
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 a control that functions despite the surge controller not operating?
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?
Each compressor have it's own pressure to flow profile at a defined speed. Which of the compressors below would have a predictable flow and inconsistent pressure?
Control strategies affect several variables, some at the same time. Which of the variables below is omitted from the pure feedforward control strategy?
There are many different parts and processes to a distillation column. Which of the design feature below can be best described as the trays between the feed tray and the top of the column?
Starting a boiler is an extremely complicated procedure. Which of the start-up steps would include excess fuel being expelled from the furnace?
Starting a boiler is an extremely complicated procedure. Which of the start-up steps would include the pressure in the burner valve system must be within acceptable limits?
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 a some conventional distillation column control strategies. Which of the strategies below is best described as a one that does not control output flows from the column?
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?
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 component fault indicating component that can initiate a shut down?
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?
Gasoline is a complex hydrocarbon blend. Which of the blending ratios would use the flow rates flow rate controllers on each line to create the blend ratio?
Boiler safety is an important part of reliable operation. Which of the strategies below would concern itself with maintaining proper furnace pressures?
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 simplest method?