Get detailed answers to common questions about industrial automation components for electrical and instrumentation engineers.
Industrial Automation Components
The following video provides detailed explanations of industrial automation device questions.
Question 1
Which component in industrial automation is responsible for converting physical signals into electrical signals?
A. Actuator
B. Transducer
C. Controller
D. Switch
Show the Answer
Transducer
Question 2
Which device in industrial automation is used to amplify weak signals for further processing?
A. Sensor
B. Actuator
C. Transducer
D. Signal conditioner
Show the Answer
Signal conditioner
Question 3
What type of network is commonly used for communication between industrial automation devices?
A. LAN
B. WAN
C. Fieldbus
D. PAN
Show the Answer
Fieldbus
Question 4
Which component is designed to protect industrial equipment from overvoltage and electrical surges?
A. PLC
B. Fuse
C. Transducer
D. Relay
Show the Answer
Fuse
Question 5
What is the purpose of an actuator in an automation system?
A. Sensing process values
B. Storing data from the PLC
C. Moving or controlling a mechanism
D. Transmitting data to the PLC
Show the Answer
Moving or controlling a mechanism
Question 6
What is the function of a relay in an industrial automation system?
A. Current to voltage converter
B. Signal conditioning
C. Switching circuits
D. Measuring current
Show the Answer
Switching circuits
Question 7
Which component is typically used to provide real-time data to a central controller in industrial automation?
A. Actuator
B. Sensor
C. Relay
D. Switch
Show the Answer
Sensor
Question 8
Which industrial automation component is used to convert electrical energy into mechanical energy?
A. Sensor
B. Motor
C. Generator
D. Relay
Show the Answer
Motor
Question 9
What is the purpose of an encoder in an industrial automation system?
A. Measuring rotation
B. Amplifying signals
C. Switching circuits
D. Converting voltage levels
Show the Answer
Measuring rotation
Question 10
Which type of sensor is commonly used to detect the presence of objects without physical contact?
A. Pyrometer
B. Proximity sensor
C. Limit switch
D. Load cell
Show the Answer
Proximity sensor
Question 11
What is the role of a Variable Frequency Drive (VFD) in industrial automation?
A. Generator protection
B. Speed control of motors
C. Temperature control of motors
D. Speed control of generators
Show the Answer
Speed control of motors
Question 12
Which component in industrial automation provides isolation between different parts of a system?
A. Transducer
B. Sensors
C. Isolator
D. Actuator
Show the Answer
Isolator
Question 13
Which device is used to measure temperature in an industrial process?
A. Encoder
B. Thermocouple
C. Proximity sensor
D. Actuator
Show the Answer
Thermocouple
Question 14
Which component in industrial automation helps in reducing electrical noise in signals?
A. Rectifier
B. Filter
C. Actuator
D. Sensor
Show the Answer
Filter
Question 15
Which device is used to protect industrial automation systems from overloads?
A. Actuator
B. Relay
C. Circuit breaker
D. Encoder
Show the Answer
Circuit breaker
Question 16
Which component is essential for converting AC to DC in industrial automation systems?
A. Motor
B. Inverter
C. Rectifier
D. Transformer
Show the Answer
Rectifier
Question 17
Which device is used to monitor the speed of a rotating object in industrial applications?
A. Thermocouple
B. Encoder
C. Actuator
D. Transducer
Show the Answer
Encoder
Question 18
What type of motor is commonly used in applications requiring precise speed and position control?
A. Induction motor
B. Stepper motor
C. Servo motor
D. DC motor
Show the Answer
Servo motor
Question 19
What is the primary purpose of an industrial communication protocol like Modbus?
A. Only sending data to the cloud
B. Only user authentication between computer and PLC
C. Data exchange between devices
D. Only receiving the data from the sensors to the PLC
Show the Answer
Data exchange between devices
Question 20
Which component converts a digital signal from a PLC into an analog signal for an actuator?
A. Actuator
B. D/A converter
C. A/D converter
D. Sensor
Show the Answer
D/A converter
Question 21
Which device is used to detect and measure rotational speed in industrial machinery?
A. Flow meter
B. Pressure sensor
C. Tachometer
D. Thermocouple
Show the Answer
Tachometer
Question 22
Which component in an automation system is responsible for converting AC power to a different voltage level?
A. Actuator
B. Transformer
C. Relay
D. Encoder
Show the Answer
Transformer
Question 23
Which component stores electrical energy in an industrial electronic circuit?
A. Resistor
B. Capacitor
C. Diode
D. Transistor
Show the Answer
Capacitor
Question 24
What is the function of a diode in an industrial automation system?
A. Storing current
B. Measuring current flow
C. Allowing current to flow in one direction
D. Selecting voltage levels
Show the Answer
Allowing current to flow in one direction
Question 25
What is the purpose of a Zener diode in an electronic circuit?
A. Amplifying signals
B. Regulating voltage
C. Measuring current
D. Storing energy
Show the Answer
Regulating voltage
Question 26
Which component is used to protect electronic circuits from voltage spikes?
A. Resistor
B. Capacitor
C. Transient Voltage Suppression (TVS) diode
D. Transistor
Show the Answer
Transient Voltage Suppression (TVS) diode
Read Next:
- Industrial Automation and Control
- Introduction to PLC Ladder Diagrams
- Automation Engineers Interview Questions
- Real-time PLC Projects Industrial Automation
- Industrial Automation Engineering Documents