Mechatronics and Industry 4.0 Quiz

Why is feedback essential in mechatronic control systems?

• To compare desired vs. actual performance

• To increase noise in signals

• To store historical data

• To reduce hardware costs

Which is an example of a cyber-physical system in Industry 4.0?

• Automated guided vehicle (AGV) with IoT

• Manual lathe machine

• A pulley system

• A hydraulic press with no sensors

In mechatronics, actuators convert:

• Electrical/Fluid power into motion

• Data into algorithms

• Heat into light

• Software into hardware

Which of the following best differentiates Industry 4.0 from advanced automation in Industry 3.0?

• Integration of real-time data, IoT, and AI

• Use of assembly lines

• Introduction of electricity

• Widespread use of hydraulics

Why are encoders commonly used in robotics?

• To measure angular/linear position

• To amplify current

• To detect chemical composition

• To reduce voltage

A Digital Twin can be described as:

• Virtual entity continuously updated by real-time data

• Static CAD model

• An offline simulation with no data flow

• A 2D schematic diagram

Which layer in a Digital Twin architecture provides predictive analytics?

• AI/Analytics layer

• Physical asset layer

• Data acquisition layer

• Human interface layer

Predictive maintenance using Digital Twins relies mainly on:

• Statistical models trained on live sensor data

• Manual inspection

• Removing actuators

• Ignoring anomalies

In mechatronics, what role do transducers play?

• Convert one form of energy to another measurable signal

• Amplify software code

• Store electrical charge only

• Reduce vibration mechanically

A Smart Factory in Industry 4.0 is characterized by:

• Decentralized and autonomous decision-making by machines

• Human-only decision making

• Lack of connectivity

• Purely mechanical control