A randomized 25 question test from a pool of 469 questions, good luck!
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 would be best described as a systems predefined value?
Which of the answers below is best represented by the number "6" on a typical H1 segment?
Which of the control systems below is designed to uses the static gain of the transfer functions only?
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 control systems below is designed to uses the static gain and dynamic portions of the transfer functions?
In a reciprocating compressor, the piston rod is put under extreme forces and requires monitoring. Which of the situations below would use mounted strain gauges?
In the distillation process heat is one of the most important variables to control. Which of the answers below would best describe the effects of an increase in heat production?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as a fast acting type of pressure control?
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?
Calculate the static gain of a process that has a step change of 15% in CO₁, creating a 20% change in PV₁ and a 12% change in PV₂ while CO₂ is held constant. A step change of 12% in CO₂ creates a -15% change in PV₁ and a 7% change in PV₂?
In relation to open loop static gain calculations the "K" in the picture below is best described by which term below?
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?
Which of the answers below is best described as a relative gain that indicates the control variable as no interaction with the manipulated variable?
Boiler safety is an important part of reliable operation. Which of the strategies below would concern itself with water carryover?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the SIL required to satisfy an RRF of 873?
Which of the answers below represents the phase shift of a processes natural frequency?
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 conditions that are always monitored and alarms are armed?
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?
Several control strategies involve the control of one or more FCEs. Which of the control stategies below does each FCE use the full control signal?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an material balance strategy?
SIS's use is based solely on the reduction of risk. Which of the terms below is best described as unjustifiable risk?
In a typical distillation process, the top stage of the column will have a ratio of lighter components to heavier components. Which of the answers below reflects this ratio best?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that diminishes the oscillations of a compressor to acceptable tolerances?
Boiler feedwater treatment is a vital component for the smooth operation of an industrial boiler. Which of the conditioning methods below is comprised of Mechanically removing gases from the feedwater?