A randomized 25 question test from a pool of 469 questions, good luck!
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?
Boiler safety is an important part of reliable operation. Which of the strategies below would concern itself with maintaining proper furnace pressures?
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?
There are many different parts and processes to a distillation column. Which of the parts below can be best described as the design feature that allows the liquid to enter and exit the trays?
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
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 monitoring only those conditions that apply to start-up?
When tuning with out decoupling, the _______ step is to tune the faster loops, the _______ step is to tune the most important loop. Choose the answer below that best fills in both blanks.
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that isolates the compressor during emergency conditions?
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 steam drum?
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?
A system of control is needed in a centrifugal compressor to have consistent flow. Which of the constant speed compressor control systems below is best described as a pressure reduction from a change in the angle of the gases path across the impeller?
Compressors are split into general categories by how they produce downstream pressure. Which of the answers below would a centrifugal compressor be classified as?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as the volume of steam needed for use?
The direct ratio scheme calculates it's ratio using a flow relay. Which of the methods below does the flow relay use?
Calculate the RGM of a process with the following static gains: K₁₁=1.33, K₁₂=-1.25, K₂₁=0.8, K₂₂=0.58.Ꙡ₂₂Ꙡ₁₁Ꙡ₁₂Ꙡ₂₁
A system of control is needed in a centrifugal compressor to have consistent flow. Which of the constant speed compressor control systems below is best described as a restriction on the inlet flow, reducing the discharge flow?
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?
Boiler safety is an important part of reliable operation. Which of the strategies below would concern itself with water carryover?
A measured disturbance by a transmitter, whose output signal modifies the feedforward controller output signal to the FCE is used by which of the control strategies below?
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?
Control strategies affect several variables, some at the same time. Which of the variables below is omitted from the pure feedforward control strategy?
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?
Which of the answers below is best described as a relative gain that indicates the control variable as no interaction with the manipulated variable?
SAMA has various symbols for the elements or functions of a boiler. Which of the answers below correctly identifies "B"?
Which of the answers below best describes a advantage that does not belong to a automatic feedback controlled system?