Weather - FAA Part 107 Drone Exam Prep

Question 1

Low-level turbulence can occur and icing can become hazardous in which type of fog?

Accepted Answer

Steam fog.

Answer

Upslope fog.

Answer

Rain-induced fog.

Question 2

One weather phenomenon which will always occur when flying across a front is a change in the

Accepted Answer

wind direction.

Answer

stability of the air mass.

Answer

type of precipitation.

Question 3

The amount of water vapor which air can hold depends primarily on the:

Accepted Answer

Air temperature.

Answer

Dew point.

Answer

Air pressure.

Question 4

Why is frost considered hazardous to drone operations?

Accepted Answer

It disrupts the smooth flow of air over the airfoil, decreasing lift and increasing drag.

Answer

It adds immense weight to the aircraft, dragging it down.

Answer

It shorts out the electronic speed controllers.

Question 5

The conditions necessary for the formation of cumulonimbus clouds are a lifting action and

Accepted Answer

unstable, moist air.

Answer

either stable or unstable air.

Answer

unstable air containing an excess of condensation nuclei.

Question 6

What causes variations in altimeter settings between weather reporting points?

Accepted Answer

Unequal heating of the Earth's surface.

Answer

Variation of terrain elevation.

Answer

Coriolis force.

Question 7

What causes the wind to blow?

Accepted Answer

Differences in atmospheric pressure.

Answer

The rotation of the Earth.

Answer

Ocean currents.

Question 8

In the METAR 'SPECI KMDW 121856Z 32005KT 1 1/2SM RA OVC007 17/16 A2980', what does 'SPECI' indicate?

Accepted Answer

A special unscheduled observation indicating a significant change in weather.

Answer

A specified terminal forecast.

Answer

A special restricted airspace notice.

Question 9

Which combination of atmospheric conditions will result in the most optimal propeller efficiency?

Accepted Answer

Low temperature, low relative humidity, low density altitude.

Answer

High temperature, low relative humidity, high density altitude.

Answer

High temperature, high relative humidity, low density altitude.

Question 10

While operating a drone in a desert environment during the afternoon, a remote pilot notices small, swirling columns of dust. These are known as:

Accepted Answer

Dust devils, which indicate unstable air and localized turbulence.

Answer

Microbursts.

Answer

Squall lines.

Exam questions Weather - FAA Part 107 Drone Exam Prep