A randomized 25 question test from a pool of 469 questions, good luck!
Which of the answers below best describes a decoupling control strategy?
Which of the terms below would best describe a loop gain greater than 1?
In a typical distillation process, the top stage of the column will have a ratio of lighter components to heavier components. Which of the answers below reflects this ratio best?
There are several common problems that can arise during a distillation columns operation. Which of the problems below can be described as an accumulation of liquid that can block vapour from rising?
SAMA has various symbols for the elements or functions of a boiler. Which of the answers below correctly identifies "C"?
Feedforward control strategies are developed from different sources. Which of the strategies below is derived equations that involve energy or mass balance equations?
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?
There a several different types of feedforward control. Which of the answers below is a strategy developed from processes transfer function?
There are several ways to control the pressure in a distillation column. Which of the answers below is best described as a slow acting type of pressure control?
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?
Which of the answers below best describes the "C" portion of the reaction curve?
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?
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 the pH of a boiler system being maintained at 10.5-11.5?
There are multiple parts to a large industrial water tube boiler. Which of the answers below is best described as an area where the temperature of the superheated steam is controlled with boiler feedwater?
Which of the answers below is best defined as affecting the controlled variable through changes in the process?
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?
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??
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?
The indirect ratio scheme calculates it's ratio using a flow relay. Which of the methods below does the flow relay use?
The breakdown of any one of the components of a SIF is hazardous. Which of the components below are the least prone to breakdown?
There are numerous undertakings in developing an SIS, this is called the safety life cycle. Which of the terms below relates best to the suitability of SIS devices manufactured to meet industry standards for safety?
There are a variety of complications that can arise while using a reciprocating compressor. Which one of the events would be mitigated by a flow transmitters sending a signal to a low lube oil flow alarm?
with dynamic feedforward compensation, if the disturbance dead time is _____ than the process dead time, the dead time parameter is ______. Use the answers below to choose the one that fills in both blanks best.
A system of control is needed in a reciprocating compressor to have consistent pressure. Which of the control systems below is best described as the simplest method?
The feedforward compensation control is based on the transfer function of the process. Which of the answers below is one that this type of control has poor performance with a nonlinear process?