1. A sensor in a robotic system is used to:
(A) Gather information from the environment
(B) Control motor torque
(C) Store programs
(D) Transmit power
2. Sensors that provide feedback about the robot’s own condition are called:
(A) Internal sensors
(B) External sensors
(C) Optical sensors
(D) Contact sensors
3. Sensors that provide information about the robot’s surroundings are called:
(A) External sensors
(B) Internal sensors
(C) Force sensors
(D) Tactile sensors
4. The tactile sensor in a robot is used to detect:
(A) Touch and pressure
(B) Temperature
(C) Position
(D) Light intensity
5. A proximity sensor is used to detect:
(A) The presence of an object without physical contact
(B) The color of an object
(C) The weight of an object
(D) The temperature of an object
6. An infrared sensor detects objects using:
(A) Reflected infrared light
(B) Magnetic fields
(C) Electrical resistance
(D) Ultrasonic waves
7. An ultrasonic sensor measures distance by using:
(A) Sound waves above human hearing range
(B) Infrared radiation
(C) Light reflection
(D) Magnetic fields
8. An encoder is used in robotics to measure:
(A) Position, speed, and direction
(B) Pressure
(C) Temperature
(D) Light intensity
9. A potentiometer can be used as a:
(A) Position sensor
(B) Temperature sensor
(C) Pressure sensor
(D) Light sensor
10. A gyroscope measures:
(A) Angular velocity or orientation
(B) Linear displacement
(C) Pressure
(D) Vibration
11. An accelerometer measures:
(A) Linear acceleration
(B) Angular displacement
(C) Torque
(D) Pressure
12. A force-torque sensor is typically placed:
(A) At the robot wrist or end effector
(B) Inside the controller
(C) At the robot base
(D) Within the power circuit
13. A temperature sensor used in robots is commonly a:
(A) Thermocouple or thermistor
(B) Encoder
(C) Potentiometer
(D) Gyroscope
14. Vision systems in robotics are used to:
(A) Capture and interpret images of the environment
(B) Control robot speed
(C) Store control programs
(D) Power the actuators
15. The main component of a robot vision system is:
(A) Camera
(B) Actuator
(C) Servo motor
(D) Pressure sensor
16. A 2D vision system provides information about:
(A) Height and width only
(B) Height, width, and depth
(C) Motion and velocity
(D) Temperature and color
17. A 3D vision system provides information about:
(A) Height, width, and depth
(B) Color and texture only
(C) Position and speed only
(D) Surface roughness only
18. Image processing in vision systems involves:
(A) Converting raw images into usable data
(B) Controlling robot torque
(C) Transmitting signals to sensors
(D) Measuring speed only
19. A CCD (Charge-Coupled Device) is used in:
(A) Vision cameras for image sensing
(B) Temperature measurement
(C) Force sensing
(D) Motor control
20. CMOS sensors are often preferred because they:
(A) Consume less power than CCDs
(B) Are slower
(C) Require more light
(D) Are less compact
21. The image segmentation process involves:
(A) Dividing an image into regions of interest
(B) Combining multiple images
(C) Enhancing image brightness
(D) Converting image color
22. Edge detection is used to identify:
(A) Object boundaries in an image
(B) Object colors
(C) Image depth
(D) Noise in signals
23. Pattern recognition in vision systems allows robots to:
(A) Identify and classify objects
(B) Adjust speed
(C) Control torque
(D) Balance load
24. Machine vision systems are widely used in:
(A) Inspection and quality control
(B) Power distribution
(C) Temperature regulation
(D) Data encryption
25. The lighting system in a vision setup is used to:
(A) Improve image clarity and contrast
(B) Control robot motion
(C) Measure temperature
(D) Generate signals
26. Color vision systems are capable of:
(A) Differentiating objects based on hue and intensity
(B) Measuring distances
(C) Detecting temperature
(D) Measuring speed
27. The resolution of a vision sensor defines its:
(A) Image detail quality
(B) Frame rate
(C) Color intensity
(D) Field of view
28. The frame rate in a vision system is measured in:
(A) Frames per second (FPS)
(B) Pixels per inch
(C) Hertz
(D) Lumens
29. A laser range finder is used to:
(A) Measure distance accurately using reflected laser light
(B) Detect color of an object
(C) Measure force
(D) Detect temperature
30. Depth perception in robotic vision is achieved through:
(A) Stereo vision or structured light methods
(B) Color filters
(C) Thermal sensors
(D) Infrared blocking
31. Optical encoders are used to:
(A) Measure angular displacement
(B) Detect temperature
(C) Measure color
(D) Detect obstacles
32. A contact sensor requires:
(A) Physical contact with the object
(B) Infrared light
(C) Ultrasonic waves
(D) Magnetic fields
33. A LIDAR sensor is based on:
(A) Laser-based distance measurement
(B) Sound-based distance measurement
(C) Magnetic field detection
(D) Optical filtering
34. A vision-guided robot (VGR) uses cameras to:
(A) Guide and control movement based on visual feedback
(B) Detect sound
(C) Monitor battery voltage
(D) Regulate torque
35. The integration of sensors and vision systems in robotics improves:
(A) Accuracy, adaptability, and automation
(B) Power consumption
(C) Manual control
(D) Maintenance effort