A randomized 25 question test from a pool of 469 questions, good luck!
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?
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?
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?
Boiler safety is an important part of reliable operation. Which of the strategies below would concern itself with maintaining proper furnace pressures?
Which of the terms below is best described as the output by the controller to manipulate the FCE?
Which of the answers below is best represented by the number "5" on a typical H1 segment?
Which one of the terms below is best described as a measure of the output of first order system reacting to a load disturbance?
Feedforward control strategies are developed from different sources. Which of the strategies below is derived equations that involve energy or mass balance equations?
Which of the answers below is best represented by the number "4" on a typical H1 segment?
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?
Control strategies affect several variables, some at the same time. Which of the variables below is omitted from the pure feedforward control strategy?
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?
Which answer below best describes the number "4"?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as one that controls the flow out of the condenser to achieve pressure control?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as the control of the condensers coolant flow?
There a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?
As with any mechanical or electrical system there are failures. Which of the answers below best describes when a process shutdown occurs due to a triggered SIF, although no event transpires?
Responses from feedforward controls have different times. Which of the answers below is a timed response?
In the reciprocating compressor system, there are numerous specialized components. Which of the components below would be best described as one that improves the efficiency and range of operation?
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?
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 pressure of the furnace?
SIS's use is based solely on the reduction of risk. Which of the terms below is best described as further risk reduction is impractical?
Which of the terms below is best described as a process response to a load disturbance that moves in one direction until the limitations of physical equipment is met or exceeded?
Which of the answers below is best described as a relative gain that indicates the control variable as no interaction with the manipulated variable?
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.