Exam quiz Meteorology - EASA Drone Quiz

Question 1

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 2

In the case of mist, the visibility, compared to that detectable in fog, is:

Accepted Answer

Fog has vis <1 km; mist 1–5 km (mist = better vis)

Answer

Fog 1–5 km; mist <1 km

Answer

Both <1 km

Answer

Both >5 km

Question 3

Which of the following statements is correct?

Accepted Answer

Explicitly ask the observer for permission to participate in advance

Answer

No need to organize anything in advance

Answer

Position the observer nearby to monitor the UAS

Answer

Questioning the observer on I.M.S.A.F.E. before the flight

Question 4

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 5

Which of the following statements is correct?

Accepted Answer

Increases with increasing altitude

Answer

Yes, if the cells are in series

Answer

Decreases with increasing altitude

Answer

Remains unchanged (altitude is irrelevant)

Question 6

Which of the following statements is correct?

Accepted Answer

Kilograms per cubic meter

Answer

Lower capacity (amperes)

Answer

Lower voltage (voltage)

Answer

Higher voltage (voltage)

Question 7

Which of the following statements is correct?

Accepted Answer

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

Answer

There is no substantial difference

Answer

All other answers are incorrect

Answer

900 ft

Question 8

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 9

Which of the following statements is correct?

Accepted Answer

15 kt

Answer

20 kt

Answer

10 kt

Answer

25 kt

Question 10

Which of the following statements is correct?

Accepted Answer

It is the same for all fixed-wing UAVs among them

Answer

No

Answer

Yes

Answer

It is the same for all multicopter UAVs among them

Question 11

Which of the following statements is correct?

Accepted Answer

It is indifferent

Answer

30-50%

Answer

4

Answer

1

Question 12

Which of the following statements is correct?

Accepted Answer

Cumuliform (convective) and Stratiform

Answer

Stable and Unstable

Answer

High and Low

Answer

Warm and Cold

Question 13

Which of the following statements is correct?

Accepted Answer

When the UAV comes into contact with water

Answer

When the temperature is 0° or below

Answer

When the UAV comes into contact with water and the temperature is 0° or below

Answer

When the ambient temperature is at least -10°.

Question 14

In VLOS, the UAV must be detectable:

Accepted Answer

Maintain VLOS; land if lost visibility

Answer

Ignore if GPS OK

Answer

Climb above obstacles

Answer

Continue using sensors only

Question 15

Which of the following statements is correct?

Accepted Answer

Maintain VLOS; land if lost visibility

Answer

Climb above obstacles

Answer

Continue using sensors only

Answer

Ignore if GPS OK

Question 16

Wind is measured in degrees on the scale?

Accepted Answer

360° (degrees from true North)

Answer

0–180° half‑circle

Answer

10° scale

Answer

90° scale

Question 17

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 18

How many degrees do we use to indicate wind direction?

Accepted Answer

360° (degrees from true North)

Answer

10° scale

Answer

90° scale

Answer

0–180° half‑circle

Question 19

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 20

Which of the following statements is correct?

Accepted Answer

The weight of the UAV

Answer

Best Meteorological Organisation

Answer

World Meteorological Organisation

Answer

Major Meteorological Organisation

Question 21

Which of the following statements is correct?

Accepted Answer

Never

Answer

Stable

Answer

Yes, always

Answer

Only in multi-engine UAVs

Question 22

Which of the following statements is correct?

Accepted Answer

1013.25 hPa (1013 mb)

Answer

950.00 hPa

Answer

1000.00 hPa

Answer

1100.00 hPa

Question 23

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 24

Which of the following statements is correct?

Accepted Answer

Contains as much steam as possible depending on pressure

Answer

The sea

Answer

One cannot say a priori as it also depends on other circumstances

Answer

Contains half as much steam as possible depending on temperature

Question 25

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 26

Visibility in mist is:

Accepted Answer

Reduced visibility, typically 1–5 km

Answer

>10 km

Answer

<1 km (fog)

Answer

Exactly 500 m

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

Pressure differences drive winds

Answer

Moon phases

Answer

Earth’s magnetic field

Answer

Ocean salinity

Question 29

Which of the following statements is correct?

Accepted Answer

Lithium ion polymer

Answer

Lithium ions

Answer

Lithium ions Lead

Answer

Lithium polymer

Question 30

Which of the following statements is correct?

Accepted Answer

Dynamically neutral

Answer

Dynamically stable

Answer

All answers are correct

Answer

In the Operations Manual

Question 31

Which of the following statements is correct?

Accepted Answer

Maintain VLOS; land if lost visibility

Answer

Ignore if GPS OK

Answer

Continue using sensors only

Answer

Climb above obstacles

Question 32

Which of the following statements is correct?

Accepted Answer

Because the collision sensors may not function properly

Answer

Because the electronics could be damaged

Answer

Because the remote pilot's visibility is greatly reduced

Answer

All other answers are correct

Question 33

Which of the following statements is correct?

Accepted Answer

Suffer a loss of performance at low temperatures, have a high energy density and low weight

Answer

That the total load on its structure is three times its weight

Answer

That the total load on its structure is 3 times its maximum speed

Answer

Withstand low temperatures well

Question 34

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 35

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 36

Which of the following statements is correct?

Accepted Answer

A thunderstorm

Answer

Stable and beautiful weather

Answer

Very high wind speed

Answer

Thermosphere

Question 37

Which of the following statements is correct?

Accepted Answer

Depends on the intensity of the haze

Answer

It will be the same weight than the UAV

Answer

None of the answers is correct

Answer

It will be less than the weight of the UAV

Question 38

Which of the following statements is correct?

Accepted Answer

Cirrocumulus (often Altocumulus)

Answer

Cumulonimbus

Answer

Stratus

Answer

Nimbostratus

Question 39

Which of the following statements is correct?

Accepted Answer

Yes: sudden changes in wind cause instability and high loads

Answer

No: flight controller cancels all gusts

Answer

Only for fixed‑wing, not multirotors

Answer

Only above 500 m AGL

Question 40

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 41

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 42

Which of the following statements is correct?

Accepted Answer

Maintain VLOS; land if lost visibility

Answer

Continue using sensors only

Answer

Ignore if GPS OK

Answer

Climb above obstacles

Question 43

Which of the following statements is correct?

Accepted Answer

Of the size of the obstacle and the speed of the primary wind

Answer

None of the answers is correct

Answer

Of primary wind speed

Answer

Of secondary wind speed

Question 44

Which of the following statements is correct?

Accepted Answer

Maintain VLOS; land if lost visibility

Answer

Ignore if GPS OK

Answer

Continue using sensors only

Answer

Climb above obstacles

Question 45

Which icing type forms with small supercooled droplets freezing rapidly, giving a rough, opaque deposit on leading edges?

Accepted Answer

Rime ice

Answer

Clear (glaze) ice

Answer

Mixed ice

Answer

Hoar frost

Question 46

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 47

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 48

Which of the following statements is correct?

Accepted Answer

Haze

Answer

Mist

Answer

Wind shear

Answer

Fog

Question 49

Which of the following statements is correct?

Accepted Answer

Reduced visibility: risk of losing VLOS and degraded sensors → unsafe

Answer

Longer battery life

Answer

Stronger GPS signal in fog

Answer

Better radio link in humid air

Question 50

Which of the following statements is correct?

Accepted Answer

Maintain VLOS; land if lost visibility

Answer

Ignore if GPS OK

Answer

Continue using sensors only

Answer

Climb above obstacles

Exam simulation Meteorology EASA Drone Quiz

Exam simulation EASA Drone Quiz Meteorology 50 questions on 60 minutes