Podcast
Questions and Answers
Which component of an automatic control system continuously compares the value of a process variable with a set point and responds to the error by re-positioning the final control element?
Which component of an automatic control system continuously compares the value of a process variable with a set point and responds to the error by re-positioning the final control element?
What is the purpose of a recorder in an instrumentation and control system?
What is the purpose of a recorder in an instrumentation and control system?
Which final control element is commonly used in boilers to control combustion airflow?
Which final control element is commonly used in boilers to control combustion airflow?
Which component of an automatic control system is responsible for continuously comparing the value of a process variable with a set point and re-positioning the final control element based on the error measured?
Which component of an automatic control system is responsible for continuously comparing the value of a process variable with a set point and re-positioning the final control element based on the error measured?
Signup and view all the answers
What is the purpose of a recorder in an instrumentation and control system?
What is the purpose of a recorder in an instrumentation and control system?
Signup and view all the answers
Which final control element is commonly used in boilers to control fuel flow?
Which final control element is commonly used in boilers to control fuel flow?
Signup and view all the answers
Which type of transducer converts variable current signals into variable pneumatic signals?
Which type of transducer converts variable current signals into variable pneumatic signals?
Signup and view all the answers
Which type of transducer converts variable voltage signals into variable pneumatic signals?
Which type of transducer converts variable voltage signals into variable pneumatic signals?
Signup and view all the answers
What type of transducer converts a 4–20 mA signal to a 0–10 V proportional signal?
What type of transducer converts a 4–20 mA signal to a 0–10 V proportional signal?
Signup and view all the answers
Which type of transducer converts variable voltage signals into variable pneumatic signals?
Which type of transducer converts variable voltage signals into variable pneumatic signals?
Signup and view all the answers
What type of transducer converts a 4–20 mA signal to a 0–10 V proportional signal?
What type of transducer converts a 4–20 mA signal to a 0–10 V proportional signal?
Signup and view all the answers
What do photoelectric transducers use to detect light intensity?
What do photoelectric transducers use to detect light intensity?
Signup and view all the answers
Which type of device is used to transfer a shutdown signal, often converting the signal in the process?
Which type of device is used to transfer a shutdown signal, often converting the signal in the process?
Signup and view all the answers
Which type of device is used as sensing elements in alarms to give visual, audible, or combined warning of unsafe or improper operating conditions?
Which type of device is used as sensing elements in alarms to give visual, audible, or combined warning of unsafe or improper operating conditions?
Signup and view all the answers
Which type of device can be incorporated into automatic decision-making systems such as Programmable Logic Controllers (PLC)?
Which type of device can be incorporated into automatic decision-making systems such as Programmable Logic Controllers (PLC)?
Signup and view all the answers
