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 boiler furnace pressure?
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 having sodium carbonates substituted with sodium sulfates as a softening agent?
Which of the control systems below is designed to uses the static gain and dynamic portions of the transfer functions?
Which of the control systems below is designed to uses the static gain of the transfer functions only?
Which of the control systems below is designed to uses the static gain and dynamic portions of the transfer functions?
SAMA has various symbols for the elements or functions of a boiler. Which of the answers below correctly identifies "B"?
The pulp mills require feed stock consistency. Which of the control strategies below would be best suited for the quality control of the paper pulp dilution?
The graph below is an example of a typical positive displacement compressor. Which of the numbered points would best be described as the end of the discharge stroke?
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?
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 the measurement of differential pressures in the compressor, head and inlet flow pressure determines if action is required?
A system of control is needed in a centrifugal compressor to have consistent flow. Which of the variable speed compressor control systems below is best described as a cascade system from the discharge, through a controller, to the motor?
Compressors are split into general categories by how they produce downstream pressure. Which of the answers below would a double-acting piston pump be classified as?
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 a some conventional distillation column control strategies. Which of the strategies below is an example of an energy balance strategy?
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 a a wide variety of processes in any plant. Which of the processes use condensation and vapourization to separate the individual components of a liquid mixture?
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?
The control of the composition that is produced from a distillation column involves several variables. Which of the answers below best represents the major variable(s) that must be kept in balance?
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?
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??
There are several common problems that can arise during a distillation columns operation. Which of the problems below can be described as when the vapour avoids the upper tray due to a lack of a seal in the downcomer from the tray above?
IPv4 network classes can also be defined by the default subnet masks that they use. If the subnet mask was 255255.255.0, which of the classes below would be used?
Which of the answers below best describes a disadvantage that does not belong to a manually controlled system?
In a reciprocating compressor, the piston rod is put under extreme forces and requires monitoring. Which of the situations below would a pneumatic eutectic sensor be used?
Which of the variables below is best defined as a controlled variable for a standard steam exchanger.