A randomized 25 question test from a pool of 469 questions, good luck!
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?
This additional control scheme can be added to a parallel metering cross-limited control system. Which of the answers best describes this extra control system that has all signals in percentages?
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?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to providing the risk reduction requirement for a SIF?
The relative amount of heat lost in the column is reflected in the reflux ratio. If the ratio were to increase, which of the answers below would describe the effect on the light key in the distillate?
In the distillation process there are two defined variables. Which of the variables below can be best described as the quantity of feed that is removed from the process as distillate or heavies?
Cross limited control provides a safety control in regards to combustion for air to fuel disturbances. Which of the answers below best describes the operation of this type of control?
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 having no time limits, and armed when the process is in operating limits, and
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 water level in the steam drum?
Which of the answers below is best represented by the number "6" on a typical H1 segment?
In process control, there are many control strategies to choose from. Which of the strategies would adjust the manipulated variable by the measured disturbance?
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?
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
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 a chemical treatment coinciding with regular blowdowns, keeping the TDS near 0.03 ppm?
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?
One of the more common applications for ratio control is fuel to air control schemes. Which of the control schemes below would use a firing demand controller whose signal would arrive at the air controller only?
On a typical boiler control system, there are four main points of control. Which of the answers below would best be manipulated to control boiler furnace pressure?
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?
SAMA has various symbols for the elements or functions of a boiler. Which of the answers below correctly identifies "D"?
which of the terms below can be described as a force exerted by the gas or vapor released by a liquid or solid substance in a closed container or space.
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 an emitted material produced with the combustion of fossil fuels?
The RGM needs to be developed to find the ______ of the loop interactions. Choose the best answer below to fill in the blank.
Which of the systems below is best defined as being used when there is inherent interaction between loops
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that acts as a downstream backflow preventer?