07.03 Sensors Actuators End Effectors - Quiz

Section 7.3 Quiz: Sensors, Actuators, and End Effectors

1. Which sensor characteristic determines how quickly it responds to environmental changes?

   • Range
   • Response time {data-correct}
   • Accuracy
   • Resolution

2. A PIR sensor has a typical detection range of:

   • 0.5-1 metre
   • 3-7 metres {data-correct}
   • 10-15 metres
   • 20-30 metres

3. Which sensor would be most appropriate for precise light intensity measurements in a laboratory?

   • PIR sensor
   • Photocell (LDR)
   • Photodiode {data-correct}
   • Accelerometer

4. What is the main advantage of hydraulic actuators compared to electric motors?

   • Lower cost
   • Higher precision
   • Extremely high force output {data-correct}
   • Faster response time

5. For a robotic system that needs to handle delicate glass components, which gripper characteristic is most important?

   • Maximum force output
   • Speed of operation
   • Force control and precision {data-correct}
   • Low cost

6. An encoder sensor is best suited for applications requiring:

   • Motion detection in security systems
   • Light level measurement
   • Precise position and speed tracking {data-correct}
   • Temperature monitoring

7. Which type of gripper would be most suitable for picking up flat metal sheets?

   • Parallel jaw gripper
   • Angular gripper
   • Vacuum gripper
   • Magnetic gripper {data-correct}

8. When selecting components for a mechatronic system, what trade-offs must typically be considered?

   • Performance vs cost {data-correct}
   • Speed vs accuracy {data-correct}
   • Power consumption vs capability {data-correct}
   • Only the initial purchase price