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 material balance strategy?
SAMA has various symbols for the elements or functions of a boiler. Which of the answers below correctly identifies "B"?
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?
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 a some conventional distillation column control strategies. Which of the strategies below is best described as a one that indirectly controls the heat input to the column?
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.
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as an exchanger that allows flue gases to heat the boiler feedwater?
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 matching of steam supply with the demand?
A calculated value, derived from the mathematical model of the process, of the manipulated variable is applied to the feedback controller ouput signal to the FCE. Which of the answers below would use this type of strategies?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that releases pressure after the compressor shuts down?
Starting a boiler is an extremely complicated procedure. Which of the start-up steps would include lighting of the pilot when the electronic ignitor is activated?
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?
Baseband NRZ signalling is the standard for all physical connections with Ethernet. Which of the signalling methods below has the advantage of an embedded clock signal?
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?
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?
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?
The graph below is an example of a typical positive displacement compressor. Which of the numbered points would best be described as when the cylinder is full of gas at suction pressure?
To minimize the loop interaction in a multi-loop control system, the CO and PV whose ______ pairing is closest to +1 is most desirable. Choose the best answer from those below to fill in the blank.
Certain typesof dynamic compressors need specialized components. Which of the components below would be required for a multistage centrifugal compressor?
In a split range control strategy, FCE "A" has a range of 0-50% and FCE"B" has a range of 50-100% of the controller signal. Which of the answers below how the FCEs are configured at 35% control signal?
Operating a distillation column is an excersize in fine tuning a process. Which of the answers below would cause a problem in the operation of a column?
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?
Starting a boiler is an extremely complicated procedure. Which of the start-up steps would include the pressure for the igniter system being acceptable limits?
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?
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 shutdown that can be initiated by two out of a total of three components?