Instrumentation Final Review

Which of the following is a device that controls remote nodes in a DCS?

Which of the following connects the valve body to the actuator?

Which of the following refers to a measurement taken directly in a process pipe?

Which of the following may cause plugging problems?

What is the function of the Compressor Filter?

What are metal tape gauges generally used to measure?

Which component is responsible for measuring the flow of seal liquid in the vacuum system?

Which of the following is a common example of on-off control?

10. What is emissivity?

What are many RTDs connected to in processing industries?

Which component is responsible for monitoring the plant air pressure?

What are the most common types of converters?

What are the two common categories of switch types?

What type of control loop is most common in process industries?

Which of the following is useful in avoiding a recurrence?

What is the functional duplication of plant components to ensure uninterrupted operations?

What capabilities do smart instruments have?

Which of the following makes a valve a control valve?

What is used to interpret instrument tags?

Which of the following helps boost signals so they are received properly?

Which of the following was a disadvantage of direct digital control?

What do scaling calculations convert?

Which of the following is the most common measurement of temperature?

Which of the following is a closed loop strategy?

Which of the following measures tank levels using the material weight applied to the device?

Which of the following is a push or pull exerted on a solid object?

Which of the following overrides the actuator?

What is the function of the PI-147 Vacuum Pressure Gauge in the vacuum system?

Which of the following describes how a process reacts to a disturbance?

Which of the following changes an instrument signal into a linear motion?

Which of the following are short lengths of metal tubing?

What are the two controllers found in cascade control?

Which of the following provide backup power to instrument systems in a UPS system?

What does the balloon symbolizing instrumentation that is not readily accessible look like?

Which of the following actuates when a predetermined value of a process variable is exceeded?

In what situation is a controller considered to be a local controller?

What is the third step in switching from automatic to manual mode?

What is the function of a transducer?

What may be created by severe plugging?

What type of fluid movement is smooth without obstruction?

What does the abbreviation CWS stand for?

What is the primary key to defining the function of an instrument?

What is the function of a Rust/Scale Inhibitor in a boiler system?

Which of the following is a common transmitter used in the processing industry?

Which of the following refers to measurements beyond the maximum under range allowable values?

What is the role of the FIT-139 in the distillation system?

For what is ISA a dominant source?

What is the function of the PI-320 component?

What is the function of the P-301A Discharge Check Valve?

At what temperature does water freeze in degrees Celsius?

Which gauge is used to monitor the level of water in the Deaerator in a boiler system?

What is the purpose of feedforward control?

What are the two kinds of flow measurement?

Which component is responsible for transferring heat to the feed in the distillation process?

What is the abbreviation TIT stand for?

What do PLCs allow?

What type of signal is a cell phone caller’s voice converted to?

Which of the following rely heavily on PLCs?

Which of the following is the sum of instantaneous flow rates over time?

What is the downside of full testing?

What is the first step for switching from automatic to manual mode?

Which component is responsible for analyzing the dew point?

How is rotational speed measured?

What are rotameters designed to provide?

What does a differential pressure transmitter measure?

What is the mathematical relationship between psia and psig?