Unit 6: Applications and Advancements in UAV - Practice Quiz

1 Which commercial activity commonly uses drones to transport small packages?

2 How are drones commonly used in commercial photography?

3 Which agricultural task can be performed using a drone?

4 Why are drones useful for inspecting tall structures?

5 Which drone application helps surveyors create maps of land?

6 What is the main purpose of a military reconnaissance drone?

7 Which military drone activity involves continuously observing a location?

8 How can drones support military logistics?

9 What can a drone provide during a military search mission?

10 Why can military drones reduce risk to pilots?

11 Which technology helps a drone determine its geographic position?

12 What has improved drone flight time over the years?

13 What is one benefit of smaller electronic components in modern drones?

14 Which drone design commonly uses four rotors?

15 What is a key benefit of improved drone communication systems?

16 What can artificial intelligence help a drone identify in camera images?

17 Which capability allows an AI-enabled drone to plan and follow a route with less human control?

18 How can AI improve obstacle avoidance in drones?

19 What does augmented reality add to a live drone camera view?

20 During a drone inspection, what can an AR display highlight for an operator?

21 A farmer wants to identify crop stress before it becomes visible to the human eye. Which UAV payload is most suitable?

22 A delivery company must transport a package over a fixed distance. Which change most directly increases the UAV's energy consumption?

23 Why are UAVs often preferred for inspecting the underside of a large bridge?

24 A surveyor requires an accurately scaled 3D model of a construction site. Which workflow is most appropriate?

25 A solar farm operator wants to locate panels containing abnormally hot cells. Which inspection method is most effective?

26 A reconnaissance UAV must observe an area without revealing the operator's location. Which capability best supports this mission?

27 During a long surveillance mission, why might a fixed-wing UAV be selected instead of a multirotor?

28 A UAV temporarily loses its command link in a contested environment. Which preprogrammed response best reduces the chance of losing the aircraft?

29 Why is low-latency communication especially important when a UAV supports real-time tactical observation?

30 Which measure most directly protects a military UAV's control commands from being read or altered during transmission?

31 How has the development of lightweight lithium-based batteries most directly advanced UAV applications?

32 What was a major practical effect of integrating GNSS receivers with autopilot systems?

33 A UAV must map a forest floor partially hidden by vegetation. Which technological advancement is most useful?

34 Why did miniaturized inertial measurement units contribute significantly to consumer drone development?

35 Which advancement most directly enables a UAV to maintain precise positioning when satellite navigation is unreliable indoors?

36 An inspection UAV must distinguish surface cracks from harmless stains. Which AI approach is most appropriate?

37 How can augmented reality assist a technician during a UAV-based power-line inspection?

38 An AI-enabled UAV detects an obstacle directly ahead while following a route. What is the most appropriate autonomous response?

39 Why is edge AI useful for a search-and-rescue UAV operating with limited network coverage?

40 A person-detection model performs well in daylight but poorly at night. Which improvement is most likely to increase nighttime reliability?

41 A mapping UAV flies at an altitude of with a camera whose sensor width is , focal length is , and image width is pixels. Assuming a nadir view and level terrain, what is the approximate ground sampling distance?

42 A delivery UAV travels outbound and back at . It consumes outbound and on return. Neglecting takeoff and landing energy, what minimum nominal battery capacity provides a reserve?

43 A precision-agriculture UAV repeatedly reports nearly identical NDVI values for several crop plots, although field inspection shows different levels of chlorophyll stress. Which change most directly addresses the likely sensing limitation?

44 During UAV inspection of photovoltaic panels, a thermal image shows a bright region near the edge of every panel, independent of electrical loading. What is the most defensible interpretation?

45 A company proposes replacing one survey aircraft with several autonomous UAVs for a large corridor inspection. Which condition most strongly determines whether the UAV system produces a real economic advantage?

46 An ISR UAV fuses two position estimates produced from the same camera frames. The fusion algorithm incorrectly treats their errors as independent. What is the most likely consequence?

47 A reconnaissance UAV must operate where GNSS reception is intermittent and radio transmissions may reveal its presence. Which architecture best preserves mission capability?

48 Two UAV datalinks have equal average throughput. Link X has low latency but frequent short outages; Link Y has higher latency but almost no outages. For remote piloting in cluttered terrain, which assessment is most accurate?

49 A group of surveillance UAVs must continue covering an area after losing communication with the central controller. Which design property most directly prevents total mission collapse?

50 A long-endurance UAV must detect stationary objects through clouds and at night, while fine color information is unnecessary. Which primary sensor is most suitable?

51 A battery-powered UAV initially carries a battery with specific energy . A new battery provides at the same mass. If propulsion power and usable-energy fraction remain constant, how does ideal endurance change?

52 A distributed-electric-propulsion UAV has eight motors and can tolerate one motor failure. Why does adding motors not automatically guarantee greater reliability?

53 Which development most directly enables many heterogeneous UAVs to share low-altitude urban airspace beyond visual line of sight?

54 An inspection UAV sends raw video to a cloud model, but detections arrive too late for obstacle avoidance. Which technological evolution best addresses this limitation?

55 A detect-and-avoid system reports accuracy on a balanced test set, yet misses many rare aircraft encounters in operation. Which evaluation change is most important?

56 An AI model trained to detect damaged roofs in sunny suburban imagery performs poorly after deployment in snowy urban areas. Which intervention most directly addresses this failure?

57 An object detector outputs well-calibrated probabilities. Detection A has confidence in a low-risk region, while Detection B has confidence near a prohibited boundary. How should an autonomous planner use these outputs?

58 A visual-inertial SLAM system flies down a long corridor with repetitive textures and nearly constant velocity. Its position uncertainty grows sharply. Which modification is most likely to improve observability?

59 An AR headset overlays a UAV's predicted path onto the operator's view. The overlay is spatially correct when stationary but shifts during rapid head movement. What is the most likely cause?

60 Several UAV operators want to improve a shared detection model without transferring raw inspection imagery. Which approach best supports this goal while acknowledging that data distributions differ among operators?