Unit 6: Intelligent Robotics and Applications - Practice Quiz

1 What is the main purpose of machine vision in a robot?

2 Which device is commonly used to capture images for a robot's vision system?

3 What does artificial intelligence help a robot do?

4 Which task is an example of artificial intelligence in robotics?

5 What is an autonomous robot?

6 Which ability is important for an autonomous robot?

7 What is robot communication?

8 Which method can a robot use to communicate wirelessly?

9 What does the Internet of Robotic Things connect?

10 Which feature is associated with the Internet of Robotic Things?

11 What is a collaborative robot, or cobot, designed to do?

12 Which feature is commonly found in a cobot?

13 Why are emergency stop buttons used in robotic systems?

14 Which device can help detect a person near a robot?

15 What does ethics in robotics mainly consider?

16 Which issue is related to ethics in robotics?

17 What is a common use of robots in industrial automation?

18 Which robot is commonly used in medicine?

19 Which task can an agricultural robot perform?

20 Which is an emerging trend in robotics?

21 A warehouse robot must identify packages of different sizes on a conveyor belt. Which machine vision approach is most appropriate for locating each package before grasping it?

22 A robot frequently misidentifies dark objects when the factory lights are dim. Which improvement would most directly address this problem?

23 A delivery robot learns to select routes by receiving rewards for shorter travel times and penalties for collisions. Which AI method is being used?

24 A robot must recognize defective components using thousands of labeled images showing defective and acceptable parts. Which technique is most suitable?

25 An autonomous cleaning robot detects a previously unknown obstacle in its planned path. What should it do first?

26 A mobile robot uses wheel encoders and a camera to estimate its position indoors. Why are these sensors commonly combined?

27 Several robots in a factory need to exchange position updates with low delay. Which communication feature is most important for coordinated movement?

28 A robot receives a command to move from an external controller, but the message may be intercepted. Which measure best protects the command?

29 A fleet of robots sends sensor data to a central platform that predicts maintenance needs and assigns tasks. Which IoRT capability is illustrated?

30 An IoRT system must continue basic robot operation when its cloud connection is temporarily unavailable. Which design is most appropriate?

31 A cobot and a worker share an assembly station. Which feature is most important for reducing injury risk during unexpected contact?

32 A cobot is used to hold a part while a worker performs a finishing operation. Why is this application well suited to a cobot?

33 A robot arm can unexpectedly restart after a power interruption. Which safety control most directly prevents this hazard?

34 Before installing an industrial robot near workers, engineers identify crushing, collision, and electrical hazards and estimate their severity. What process are they performing?

35 A hospital robot recommends patient priorities using historical treatment data that underrepresents certain groups. What ethical concern is most relevant?

36 A security robot records video in a public facility. Which practice best addresses privacy concerns?

37 A manufacturing line produces many identical parts with consistent dimensions. Which robotic application is likely to provide the greatest benefit?

38 A farm robot uses cameras to distinguish weeds from crops and applies herbicide only to detected weeds. What is the main advantage of this approach?

39 A hospital robot transports medicines between a pharmacy and patient wards. Which capability is most important for dependable operation?

40 A robot uses a digital simulation of a production line to test motion changes before applying them to the physical system. What emerging technology is being used?

41 A calibrated stereo camera has focal length pixels, baseline m, and measured disparity pixels. If the disparity standard deviation is pixels, what is the first-order standard deviation of the estimated depth?

42 During hand-eye calibration using , all robot motions consist of rotations about the same axis with translations parallel to that axis. Which change most directly removes the resulting calibration degeneracy?

43 A warehouse robot operates under partial observability. A belief-space planner selects the action with the highest expected reward, but that action has a probability of collision. The specification requires collision probability below at every decision. Which formulation is most appropriate?

44 A perception ensemble reports low predicted sensor noise but strong disagreement among its member networks on images from a new factory. What is the most appropriate interpretation and response?

45 An indoor robot using a purely reactive obstacle-avoidance controller repeatedly enters a U-shaped obstacle and oscillates near its closed end. Which architectural modification best addresses the underlying failure?

46 A robot publishes state samples at Hz. Samples older than ms are useless, but occasional packet loss is acceptable. Which DDS-style QoS configuration best favors fresh control data over delayed delivery?

47 For a swarm running average consensus over time-varying communication graphs , each instantaneous graph may be disconnected. Which condition can still permit convergence under suitable consensus weights?

48 An attacker records a valid cloud-issued motion command and later replays it to an IoRT robot over an authenticated channel. Which control most directly prevents execution of the replayed command?

49 A power-and-force-limited cobot satisfies joint torque limits during contact, but it carries a sharp tool and manipulates a rigid workpiece. Why is torque limiting alone insufficient to establish collaborative safety?

50 A safety function uses two processors, but both share one power supply, one compiler toolchain, and one communication bus. Which modification most effectively addresses the dominant weakness?

51 A service robot has equal overall task accuracy in two hospitals, yet its false-negative rate is substantially higher for patients using mobility aids. What is the most ethically appropriate engineering response?

52 A serial production line has station cycle times of , , and seconds. An -hour shift must produce conforming units, and line-level OEE is expected to remain . By at least how much must the bottleneck cycle time be reduced?

53 In robot-assisted minimally invasive surgery, let the remote-center-of-motion constraint be . For an arbitrary candidate joint velocity , which projection satisfies this constraint to first order, assuming an exact pseudoinverse?

54 A crop robot's RGB weed classifier fails under changing sunlight, shadows, and soil moisture. Which redesign most directly improves invariance while preserving plant-discrimination information?

55 Several warehouse robots use decentralized shortest-path planning. Four robots enter a narrow loop, each reserving the next segment occupied by another, creating a circular wait. Which approach most directly prevents this deadlock class?

56 A defense robot must continue limited operation during GPS denial and intermittent communication. Which design best balances mission resilience, safety, and meaningful human control?

57 A high-speed drone replaces frame cameras with event cameras. Which limitation must the perception architecture explicitly handle despite the sensors' low latency and high dynamic range?

58 A protective system uses the separation model , where m/s, sensing and reaction time s, stopping time s, and intrusion allowance m. What minimum separation is required?

59 A monocular SLAM system runs without wheel odometry, known-size landmarks, inertial scale information, or other metric references. Which state property should a consistent estimator preserve?

60 A digital twin accurately predicts a robot before deployment but gradually diverges after tool wear changes friction and backlash. Which strategy best maintains safe usefulness of the twin?