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Exam simulation Meteorology EASA Drone Quiz

Exam simulation easa-drone 50 questions on 60 minutes

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1 - Visibility in mist is: 60 Constant pressure for the next 6 hours Absence of wind Excellent visibility

2 - Where can the remote pilot get the weather information needed to fly safely with your UAS? No never Yes, but only when assisted by one or more aeronautical observers The aircraft may be ungovernable and start descension We will improve consumption

3 - What are the main causes of disturbance that can act on winds? Yes if you are in the mountains at an altitude above 1500 meters Temperature of 15-25 degrees and low humidity High temperature and no light Constant pressure

4 - The formation of ice on the UAV: All answers are correct Maintain a linear trajectory Decrease UAV speed Fly in Zig zag

5 - What is the dew temperature (dew point) according to this METAR: EHGG 171055Z CAR 27010KT 9999 FEW042 SCT046 10/08 Q1015 NOSIG= ? Questioning the observer on I.M.S.A.F.E. before the flight Yes, always Never Yes, but only in special situations e.g. if you have to perform a landing of emergency away from one's position

6 - In an urban environment, the wind flow is influenced by the presence of a tall building: Vertical flight altitude Direction and course of the UAS Duration of the operation The weather forecast

7 - The performance of a UAV at high altitude Ice that quickly accumulates on the airfoil and which we can remove Ice accumulates quickly on the airfoil and we cannot remove Protecting the UAS cell Ensuring the safe take-off of the UAS

8 - NOWCASTING refers to forecasts for precipitation events, their extent and evolution Richter Beaufort Bernoulli The difference of pressure

9 - The term 'mist' means: The identification of risks Prevention of potentially harmful events Analyzing possible risks in order to mitigate them and make them acceptable The possibility of losing visual contact with the drone is very high, but I can however flying based on the anti-collision sensors installed on the UAS

10 - UAV performance in a high-altitude flight: An intermediate scenario A Standard Scenario Worst case scenario The best possible scenario

11 - In case of mist or fog All cases where an ATS assessment is required All those Operations requiring a one-time operational authorisation issued by the Competent Authority. If any of the requirements for OPEN classification are not met, the UAS operator and its operations are classified as SPECIFIC. All those activities that take place around an airport When components are connected to a pair of conductors so that the voltage is applied to all with the same intensity

12 - On a windy day, in an urban environment: A decrease in atmospheric pressure Convection Irradiation Conduct

13 - If the UAS pilot loses sight of the UAV due to weather conditions, he will have to: Yes, provided it is authorized by CAA No, never. The Operator may at most add further limitations but never deviate from the provisions of the Flight Manual Yes, provided you transcribe them in the Operations Manual In the Operations Manual

14 - Are UAS machines designed to fly only in good weather? Thanks to the variation of motor revolutions Dividing the total moments by the total mass Locating the intersection of the diagonals Drawing a virtual X and placing it in the centre

15 - What is the ultimate purpose of Meteorology? When the UAV comes into contact with water When the temperature is 0° or below When the UAV comes into contact with water and the temperature is 0° or below When the ambient temperature is at least -10°.

16 - Which of the following are internal fields of study in Meteorology? 30-50% It is indifferent 4 1

17 - What causes the creation of CLOUDS? The difference of pressure The difference of temperature The proximity of mountains The difference of quota

18 - The remote pilot of a UAS must know: Yes, but only over 120 m in height Yes, but only above an altitude of 500 m True True, but it is still advisable

19 - To what environmental factors is the performance of the UAV and battery subject? It is repeated at the same times of day with regularity when the barometric gradient is weak All other answers are correct Local and regional wind of short duration Is its controllability

20 - What is the difference between METEOROLOGY and CLIMATOLOGY? Medium-term Long-term Air humidity Condensation of water vapor in the air

21 - In an urban environment, heating takes place via: The amount of water contained in the atmosphere at a given time The amount of water contained in a mass of air at a specific time Convective motions Horizontal motions

22 - The atmosphere consists mainly of Ice slowly accumulates on the airfoil and we cannot remove Ice accumulates quickly on the airfoil and we cannot remove Ice that quickly accumulates on the airfoil and which we can remove An increase in altitude

23 - The performance of a UAV is affected by air density: I can still fly as long as I don't go above 35 metres I have to give up flying all the time I have to give up flying at the moment, but I can wait for an improvement and carry out the mission anyway I can fly but not further than 50 metres from the pilot

24 - The subsidence process in meteorology always occurs within: A2 Sub-category covers operations during which flying close to the people will represent a predominant part of the flight, while A3 subcategory concerns operations conducted in an area where the remote pilot reasonably expects that no uninvolved person will be placed in danger from the flight of the UAV There is no substantial difference All other answers are incorrect 900 ft

25 - For a cloud to form, a mass of air is required: October to February All months of the year depending on air humidity May to August Get him up so that he can be spotted

26 - Flying at low altitude, I should expect downward currents on what surfaces? False True, but only if no self-built UAS are used True A2

27 - The ratio of air mass to indicated volume defines air density Lithium-polymer Lithium-iron-phosphate Lead Consumption increases

28 - What the atmospheric phenomenon called WIND SHEAR consists of: Dynamic stability is basically the ability of the aircraft to maintain position and fly straight ahead Medium-/long-term Short-term Medium-term

29 - What does relative humidity refer to? Lower Superior The density of air does not depend on its temperature, but on other factors Identical

30 - In mountainous areas in the presence of wind, where can I expect more turbulence? No need to organize anything in advance Explicitly ask the observer for permission to participate in advance Position the observer nearby to monitor the UAS Questioning the observer on I.M.S.A.F.E. before the flight

31 - Can we consider turbulence an 'adverse risk' for UAS? Medium-term Very long term In the very short term Distance between the point where the UAV would touch the ground falling vertically and the position of those not involved + a margin of 50 metres

32 - Every storm begins as a heap: False, only of memory effect When the air mass reaches the saturation point When the weight of the droplets becomes greater than the upward thrust of the air When two clouds collide

33 - If the fog suddenly falls, the mission with UAS: All answers are correct Air temperature Can only be used outside urban centres It may also be used in urban centres provided that the pilot has obtained the A2 Certificate

34 - Which direction on the wind rose is indicated by 90 degrees? High Relevant Shall be increased to 50 metres May be reduced to 5 metres

35 - In the event of rain or snow, they will be compromised: Dynamically neutral Dynamically stable All answers are correct In the Operations Manual

36 - As a rule, the diameter of the droplets that make up a cloud is in the order of: Anti-collision sensors The flight controller The ESC Battery capacity

37 - One of the severe risks of flying with UAS is turbulence: Sometimes Yes No, because it only concerns the organization of the operator No

38 - To get an accurate pre-mission weather picture, the remote pilot must consult: Cost and difficulty of taking measures to reduce or eliminate the risk Time, cost and difficulty of taking steps to reduce or as far as possible elimination of them South West

39 - On the weather map of the flight area, the isobars are close together. What does this mean? There is no difference UAS Latency does not affect aircraft It is the relationship between the frequency and severity of a possible event

40 - The pilot of a UAS, during the flight, will have to mainly take care of: Yes, but only after registering the drone as professional on the CAA website No Yes, but only if the remote pilot has the old CRO certificate Yes, even on a virtual medium

41 - It is the responsibility of the remote pilot to always carry out a meteorological analysis preliminary? True, but it is still advisable True, but only for UAVs weighing less than 250 grams False A smaller amount of air can occupy a given volume

42 - In very cold temperatures, which of the following precipitation freezes immediately after impact? Greater stability Increased flow rate Lower load capacity Lithium ions

43 - One can speak of haze/mist when visibility is less than: A1-A3 No Modern UAS are not subject to electromagnetic interference Yes

44 - In VLOS it is important to control temperature, pressure and visibility in order to always remain in visual contact with the UAV? The dynamic stability of an aircraft describes the nature of the machine and the tendency it has in retaining its original position after one or more forces have disturbed its original set-up. Dynamic stability is basically the ability to fly hovering thanks to the many sensors with which the drone is equipped Dynamic stability, on the other hand, describes the form of movement that the aircraft assumes a condition of static instability, i.e. when it seeks to regain its original position as it was prior to the action of disturbance. Dynamic stability is basically the ability of the aircraft to maintain position and fly straight ahead

45 - On a very cold and windy day: No, the two have nothing to do Yes, if it allows the maximum speed to be reduced to 3 m/s Never Yes, always

46 - As the altitude increases, the temperature? Yes, but only after having carried out a new series of experimental tests and having new flight manual drafted No, never Yes, but only to the strict extent necessary for proper performance of the mission Yes, provided that CAA has expressly authorized it

47 - What phenomenon occurs when there is a gust of wind? It is the same for all fixed-wing UAVs among them No Yes It is the same for all multicopter UAVs among them

48 - In the Po Valley, type of fogs are more common: None of the previous answers is correct Radiative Cooling From condensation

49 - According to this METAR: EHGG 171055Z AUTO 27030KT 9999 FEW042 SCT046 10/08 Q1015 NOSIG= is it allowed to fly a UAS? 1,016.25 hPa 1,013.25 hPa Slow and steady Ongoing hazard identification and risk management

50 - In our hemisphere in the cyclonic areas the air: Battery capacity The autonomy of the UAS the UAS MTOM The economic performance of the UAS

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