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
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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
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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
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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
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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
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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
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Sensor
Question 8
Which industrial automation component is used to convert electrical energy into mechanical energy?
A. Sensor
B. Motor
C. Generator
D. Relay
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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
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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
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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
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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
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Thermocouple
Question 14
Which component in industrial automation helps in reducing electrical noise in signals?
A. Rectifier
B. Filter
C. Actuator
D. Sensor
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Filter
Question 15
Which device is used to protect industrial automation systems from overloads?
A. Actuator
B. Relay
C. Circuit breaker
D. Encoder
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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
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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
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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
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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
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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
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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
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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
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