A randomized 25 question test from a pool of 469 questions, good luck!
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?
Gasoline is a complex hydrocarbon blend. Which of the rigid specifications below determines the volatility of gasoline?
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?
Which answer below best describes the number "3"?
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?
The techniques employed in process systems, that have the controlled value as close to the desired value are called control strategies. Which of the strategies below is designed to counter disturbances before they can affect the controlled variable?
Gasoline is a complex hydrocarbon blend. Which of the blending ratios would use a pace controller to set the RSP for all of the lines being blended?
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?
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?
Boiler safety is an important part of reliable operation. Which of the strategies below would concern itself with maintaining proper furnace pressures?
The use of the direct ratio scheme is not as common as the indirect ratio scheme. Which of the answers below is the main reason why direct ratio control is not as common
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as a fuel and air mixing chamber for proper combustion?
In a saturation process that uses static decoupling, what is the value of D₁ and D₂ if K₁₁= 14%, K₁₂=-15%, K₂₁=23% and K₂₂=12%
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as an area where the heat produced by combustion is transferred to saturated steam?
All feedforward control strategies respond to a disturbance before it reaches the CV. Which of the strategies below does not verify that the CV has returned to the desired value
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?
SAMA has various symbols for the elements or functions of a boiler. Which of the answers below correctly identifies "E"?
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?
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?
Control strategies affect several variables, some at the same time. Which of the variables below is omitted from the pure feedforward control strategy?
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?
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 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?
One of the more common applications for ratio control is fuel to air control schemes. Which of the control schemes below would use a a signal arriving at both the air and fuel controllers from the firing demand controller, while allowing for excess air for combustion??
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?