Exam quiz EASA Drone Quiz

Question 1

Which of the following statements is correct?

Accepted Answer

Pressure differences drive winds

Answer

Ocean salinity

Answer

Earth’s magnetic field

Answer

Moon phases

Question 2

Which of the following statements is correct?

Accepted Answer

Maintain VLOS; land if lost visibility

Answer

Climb above obstacles

Answer

Ignore if GPS OK

Answer

Continue using sensors only

Question 3

Fog mainly reduces:

Accepted Answer

Horizontal visibility

Answer

GNSS satellite count

Answer

Air pressure

Answer

Magnetic field strength

Question 4

Which of the following statements is correct?

Accepted Answer

Dynamic meteorology

Answer

One or more cells

Answer

All other answers are correct

Answer

Synoptic meteorology

Question 5

A good pre‑flight checklist should include:

Accepted Answer

Battery/prop integrity, compass/IMU status, home point, control link, weather

Answer

Aesthetic inspection

Answer

SD card free space only

Answer

Camera ISO value only

Question 6

Battery life:

Accepted Answer

The weight of the UAV

Answer

The weight of the UAV + the payload + the battery

Answer

The weight of the UAV + the payload

Answer

The weight of the UAV + the payload + the fully charged battery plus any other accessory

Question 7

Which of the following statements is correct?

Accepted Answer

Maintain VLOS; land if lost visibility

Answer

Climb above obstacles

Answer

Ignore if GPS OK

Answer

Continue using sensors only

Question 8

On a windy day in an open field with trees, where is mechanical turbulence most likely?

Accepted Answer

On the lee (downwind) side of the trees due to wake and rotor effects

Answer

Only directly above the tree tops

Answer

Equally on both windward and lee sides

Answer

There is no significant turbulence generated by trees

Question 9

Which of the following statements is correct?

Accepted Answer

Maintain VLOS; land if lost visibility

Answer

Ignore if GPS OK

Answer

Climb above obstacles

Answer

Continue using sensors only

Question 10

In frictionless conditions (geostrophic balance), what is the wind direction relative to isobars?

Accepted Answer

Parallel to the isobars

Answer

From high to low pressure, perpendicular to the isobars

Answer

Toward low pressure at about 90° across the isobars

Answer

Randomly variable with no relation to isobars

Question 11

Which of the following statements is correct?

Accepted Answer

Pressure differences drive winds

Answer

Ocean salinity

Answer

Earth’s magnetic field

Answer

Moon phases

Question 12

Which of the following statements is correct?

Accepted Answer

Suffers wind gusts more than a multicopter

Answer

Suffers gusts of wind like a multicopter

Answer

Does not suffer from gusts of wind

Answer

Suffers less from wind gusts than a multicopter

Question 13

Which of the following statements is correct?

Accepted Answer

Pressure differences drive winds

Answer

Moon phases

Answer

Earth’s magnetic field

Answer

Ocean salinity

Question 14

Operational/environmental limits (max wind, temp, rain, etc.) are given:

Accepted Answer

In the manufacturer’s manual and must be respected

Answer

Only by the remote pilot

Answer

Only by insurance policy

Answer

Only by local ATC

Question 15

Which of the following statements is correct?

Accepted Answer

Pressure differences drive winds

Answer

Earth’s magnetic field

Answer

Ocean salinity

Answer

Moon phases

Question 16

What does LiPo mean?

Accepted Answer

Lithium‑polymer battery

Answer

Low‑ion potential

Answer

Limestone‑polymer

Answer

Light‑power battery

Question 17

May a remote pilot exceed the MTOM/weight limits stated in the manual?

Accepted Answer

No, limits in the manual must not be exceeded

Answer

Yes, if wind is calm

Answer

Only when RTH is enabled

Answer

Yes, with GNSS lock

Question 18

A good pre‑flight checklist should include:

Accepted Answer

Battery/prop integrity, compass/IMU status, home point, control link, weather

Answer

Camera ISO value only

Answer

SD card free space only

Answer

Aesthetic inspection

Question 19

Which of the following statements is correct?

Accepted Answer

Maintain VLOS; land if lost visibility

Answer

Ignore if GPS OK

Answer

Climb above obstacles

Answer

Continue using sensors only

Question 20

Which of the following statements is correct?

Accepted Answer

A2

Answer

False

Answer

True, but only if no self-built UAS are used

Answer

True

Question 21

Representing the area of operations on a map should include:

Accepted Answer

Operation area, take‑off/landing, ground‑risk buffer and contingency areas

Answer

Only camera waypoints

Answer

Only the home point

Answer

Only the pilot’s position

Question 22

Which of the following statements is correct?

Accepted Answer

Pressure differences drive winds

Answer

Moon phases

Answer

Earth’s magnetic field

Answer

Ocean salinity

Question 23

A basic operational risk mitigation step is:

Accepted Answer

Define geo‑fence and ground risk buffer around the area of operation

Answer

Fly higher to be safer

Answer

Disable obstacle sensors

Answer

Ignore nearby people

Question 24

Where does the aircraft weight act?

Accepted Answer

At the centre of gravity (CG)

Answer

At the nose

Answer

At the centre of pressure

Answer

At the tail

Question 25

Which of the following statements is correct?

Accepted Answer

The difference of temperature

Answer

The difference of pressure

Answer

The proximity of mountains

Answer

The difference of quota

Question 26

Which of the following statements is correct?

Accepted Answer

Yes

Answer

Chain of errors

Answer

Yes, but only after reaching the age of 18

Answer

Yes, but only after registering the drone as professional on the CAA website

Question 27

Which of the following statements is correct?

Accepted Answer

Pressure differences drive winds

Answer

Earth’s magnetic field

Answer

Moon phases

Answer

Ocean salinity

Question 28

Which of the following statements is correct?

Accepted Answer

18 °C

Answer

15 °C

Answer

24 °C

Answer

21 °C

Question 29

Which of the following statements is correct?

Accepted Answer

Clear nights, light winds, high humidity (strong nocturnal cooling)

Answer

Strong winds & thunderstorms

Answer

Warm advection over cold sea

Answer

Only in mountains

Question 30

Adding payload to a UAV primarily changes:

Accepted Answer

Mass, CG position, drag and endurance (flight time)

Answer

ESC calibration only

Answer

Rotor diameter

Answer

GNSS accuracy only

Question 31

A fixed‑wing UAV sustains flight thanks to:

Accepted Answer

Aerodynamic lift generated by the wing due to forward motion

Answer

Magnetic forces

Answer

Rotor downwash

Answer

Balloon buoyancy

Question 32

MTOM stands for:

Accepted Answer

Maximum Take‑Off Mass

Answer

Mean Total Operating Mass

Answer

Minimum Take‑Off Margin

Answer

Maximum Taxi Operating Mass

Question 33

May binoculars be used to extend VLOS?

Accepted Answer

No — VLOS must be unaided (except corrective lenses); binoculars don’t extend VLOS

Answer

Only at night

Answer

Only above 120 m

Answer

Yes, always

Question 34

Which of the following statements is correct?

Accepted Answer

Pressure differences drive winds

Answer

Ocean salinity

Answer

Moon phases

Answer

Earth’s magnetic field

Question 35

Which of the following statements is correct?

Accepted Answer

Ceiling and Visibility OK: vis ≥10 km; no significant weather/clouds below 5,000 ft

Answer

Only calm winds

Answer

Any visibility >3 km

Answer

Only absence of precipitation

Question 36

Which of the following statements is correct?

Accepted Answer

A thunderstorm

Answer

For each remote pilot there must be an observer

Answer

The distance between flying UAVs and uninvolved persons can never be less than 11 metres

Answer

Reduced wind speed

Question 37

Which of the following statements is correct?

Accepted Answer

A sudden change in wind direction

Answer

A sudden change in air mass temperature

Answer

A sudden change in wind direction and intensity

Answer

No, never

Question 38

Ground (surface) effect becomes noticeable when hovering:

Accepted Answer

Close to the surface (about within one rotor diameter)

Answer

Only above 50 m AGL

Answer

At any altitude the same

Answer

Only over water

Question 39

EASA defines three categories for UAS ops:

Accepted Answer

Open, Specific, Certified

Answer

Toy, Hobby, Pro

Answer

A1, A2, A3

Answer

Open, Closed, Military

Question 40

Can the flight envelope be represented by a diagram?

Accepted Answer

Yes: a diagram delimits safe combinations of speed and load factor

Answer

Yes, but only for manned aircraft

Answer

No, only text tables are used

Answer

No, it’s only a theoretical concept

Question 41

What is the International Standard Atmosphere (ISA) sea‑level pressure (QNH)?

Accepted Answer

1013.25 hPa

Answer

1009.55 hPa

Answer

1015.25 hPa

Answer

1016.25 hPa

Question 42

If batteries are not used for a long time:

Accepted Answer

Store at ~40–60% charge in a cool, dry place and recheck voltage periodically

Answer

Store fully charged

Answer

Freeze them

Answer

Store fully discharged

Question 43

Should the aircraft be re‑weighed after configuration changes or major repairs?

Accepted Answer

Yes, to verify MTOM and CG before returning to service

Answer

Only for fixed‑wing

Answer

No, weighing is one‑time

Answer

Only if payload exceeds 25 kg

Question 44

Are wind gusts dangerous for a UAV?

Accepted Answer

Yes: sudden changes in wind cause instability and high loads

Answer

Only above 500 m AGL

Answer

No: flight controller cancels all gusts

Answer

Only for fixed‑wing, not multirotors

Question 45

Which of the following statements is correct?

Accepted Answer

Pressure differences drive winds

Answer

Earth’s magnetic field

Answer

Moon phases

Answer

Ocean salinity

Question 46

Propeller diameter, pitch and blade count:

Accepted Answer

Affect thrust, efficiency, noise and current draw

Answer

Only change ESC beeps

Answer

Have no effect on performance

Answer

Only affect colour

Question 47

EASA defines three categories for UAS ops:

Accepted Answer

Open, Specific, Certified

Answer

Toy, Hobby, Pro

Answer

A1, A2, A3

Answer

Open, Closed, Military

Question 48

Is the centre of gravity (CG) important for UAV stability?

Accepted Answer

Yes, CG position is critical for stability and control

Answer

Only with special authorisation

Answer

Only for fixed‑wing, not multirotors

Answer

No, flight controller negates its effect

Question 49

Which of the following statements is correct?

Accepted Answer

Pressure differences drive winds

Answer

Earth’s magnetic field

Answer

Ocean salinity

Answer

Moon phases

Question 50

'Memory effect' refers to:

Accepted Answer

Capacity loss seen in NiCd (not typical of LiPo/Li‑ion)

Answer

ESC timing error

Answer

A GPS logging feature

Answer

Magnetic declination

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