Robotics

1. Which of the following is a key characteristic of a robotic manipulator?

a) It is designed for navigation
b) It can manipulate objects
c) It senses environmental changes
d) It is used for communication

2. The "torque" of a motor in robotics refers to:

a) The speed at which the motor spins

b) The electrical power consumed by the motor
c) The rotational force produced by the motor
d) The direction of the motor's rotation

3. Which sensor would be most appropriate for detecting the presence of

light?

a) Proximity sensor
b) LDR (Light Dependent Resistor)
c) Ultrasonic sensor
d) Gyroscope

4. What is the main function of the control system in a robot?

a) To generate power
b) To convert energy
c) To interpret sensor data and make decisions
d) To provide structural support

5. Which of the following robots operates by following a pre-programmed

path?

a) Autonomous robot
b) Line-following robot
c) Teleoperated robot
d) Humanoid robot

6. What does "ROS" stand for in the context of robotics?

a) Robotic Operating System

b) Reactive Operation System
c) Remote Operating System
d) Real-time Operation Software
7. Which of the following is typically used to detect rotational motion in
robots?

a) Accelerometer
b) Gyroscope
c) Magnetometer
d) Ultrasonic sensor

8. Which of the following components is crucial for a robot's power

management?

a) Battery
b) Actuator
c) Sensor
d) Microcontroller

9. What is the primary purpose of a mobile robot's navigation system?

a) To control its actuators

b) To determine its position and plan its path
c) To process sensor data
d) To manage power consumption

10. Which type of drive system is commonly used in robots designed to

operate on uneven terrain?

a) Track drive
b) Wheel drive
c) Legged drive
d) Propeller drive

11. Which of the following is a characteristic of an autonomous

robot?

a) It requires human control at all times

b) It can operate independently without human intervention
c) It can only perform one specific task
d) It is limited to indoor use

12. The "inverted pendulum" problem is often used to test the

balance of which type of robot?

a) Wheeled robot
b) Humanoid robot
c) Flying robot
d) Industrial robot
13. Which of the following is an example of a sensor used for
obstacle avoidance?

a) Ultrasonic sensor
b) Temperature sensor
c) Pressure sensor
d) Humidity sensor

14. The term "kinematics" in robotics refers to:

a) The study of forces in a robotic system

b) The study of motion in robotic systems without regard to
forces
c) The electrical components of a robot
d) The programming of robot movements

5. What is a common power source for mobile robots?

a) Solar power
b) Wind power
c) Battery
d) Hydro power

16. Which robotic component is responsible for converting electrical

signals into mechanical movement?

a) Microcontroller
b) Sensor
c) Actuator
d) Battery

17. In robotics, what does "PID" stand for in control systems?

a) Proportional, Integral, Derivative

b) Programmed, Integrated, Digital
c) Position, Input, Device
d) Power, Input, Drive

18. What is the primary advantage of using a servo motor in

robotics?

a) High speed
b) Precise control of position
c) Low cost
d) Simple wiring
19. Which of the following robots is designed to mimic human
behavior?

a) Autonomous robot
b) Humanoid robot
c) Industrial robot
d) Mobile robot

20. In robotics, which of the following is a challenge associated with

outdoor navigation?

a) Temperature control
b) Obstacle detection
c) Lighting conditions
d) Wind resistance

21. What is the function of an encoder in a robotic system?

a) To provide power
b) To measure position or speed
c) To control the actuator
d) To store programs

22. Which of the following programming languages is most

commonly used in robotics?

a) Python
b) JavaScript
c) PHP
d) HTML

23. Which of the following is an example of an end effector?

a) Gripper
b) Motor
c) Sensor
d) Battery

24. The term "payload" in robotics refers to:

a) The maximum distance a robot can travel

b) The maximum weight a robot can carry
c) The speed at which a robot operates
d) The amount of power consumed by a robot

25. Which type of sensor is commonly used in line-following robots?

 a) Ultrasonic sensor
b) Light sensor
c) Pressure sensor
d) Temperature sensor

26. A robot designed to interact with humans is known as a:

a) Industrial robot
b) Autonomous robot
c) Humanoid robot
d) Teleoperated robot

27. In a robotic arm, the "end effector" is:

a) The base of the arm

b) The joint of the arm
c) The terminal device or tool
d) The sensor on the arm

28. The process of determining the position and orientation of a

robot in a known environment is called:

a) Mapping
b) Localization
c) Navigation
d) Calibration

29. Which component is responsible for driving the wheels in a

mobile robot?

a) Sensor
b) Motor driver
c) Microcontroller
d) Actuator

30. What type of robot is typically used in manufacturing to perform

repetitive tasks?

a) Autonomous robot
b) Industrial robot
c) Mobile robot
d) Service robot

31. Which of the following is not a type of sensor commonly used in

robots?
 a) Ultrasonic sensor
b) Light sensor
c) GPS sensor
d) Voltmeter

32. Which material is commonly used for constructing lightweight

robotic arms?

a) Steel
b) Aluminum
c) Copper
d) Plastic

33. The process of translating a high-level task into a sequence of

commands that a robot can execute is called:

a) Simulation
b) Programming
c) Path planning
d) Calibration

34. What is the primary role of sensors in a robotic system?

a) To store data
b) To provide feedback on the environment
c) To power the robot
d) To execute commands

35. Which of the following is a common communication protocol

used in robotics?

a) HTTP
b) TCP/IP
c) I2C
d) FTP

36. Which type of robot uses wheels for movement?

a) Aerial robot
b) Humanoid robot
c) Mobile robot
d) Manipulator robot

37. What does "SLAM" stand for in the context of robotics?

 a) Simple Linear Actuator Motion
b) Simultaneous Localization and Mapping
c) Sensor Light Activation Model
d) Synchronous Logic Array Memory

38. In robotics, what is the purpose of a "gripper"?

a) To provide visual feedback

b) To sense the environment
c) To hold and manipulate objects
d) To power the robot

39. Which type of sensor is typically used for navigation in

autonomous robots?

a) Gyroscope
b) Pressure sensor
c) Humidity sensor
d) Microphone

40. The kinematics of a robot deals with:

a) The motion of robots without considering the forces causing

the motion
b) The forces acting on a robot
c) The power consumption of a robot
d) The temperature regulation in a robot

41. Which of the following components is essential in a robotic

system for movement?

a) Sensor
b) Actuator
c) Microcontroller
d) Battery

42. Which type of sensor is used to detect objects within a certain

distance?

a) Ultrasonic sensor
b) Infrared sensor
c) Proximity sensor
d) Temperature sensor

43. The brain of a robot, which controls its actions, is commonly

referred to as the:
 a) Actuator
b) Controller
c) Sensor
d) Power supply

44. Which of the following is an example of an input device in a

robotic system?

a) Motor
b) LED
c) Microcontroller
d) Camera

45. The main purpose of an actuator in a robotic system is to:

a) Process data
b) Store information
c) Provide movement
d) Generate power

46. What is the primary function of a microcontroller in a robot?

a) To power the robot

b) To control the robot's operations
c) To provide sensory data
d) To store programs

47. Which type of robot is designed to operate in hazardous

environments?

a) Autonomous robot
b) Teleoperated robot
c) Industrial robot
d) Mobile robot

48. The ability of a robot to adjust its actions based on sensor

inputs is known as:

a) Autonomy
b) Feedback control
c) Programming
d) Calibration

49. Which type of motor is commonly used in robotics for precise

control of angular position?
 a) DC motor
b) Servo motor
c) Stepper motor
d) Induction motor

50. What does "DOF" stand for in robotics?

a) Degrees of Freedom
b) Direction of Flow
c) Distance of Focus
d) Data of Function