Question 1

What causes icing on an aircraft?

Accepted Answer

Supercooled water droplets striking the aircraft

Answer

Snowflakes adhering to the aircraft

Answer

Warm air and high humidity

Answer

Ice crystals in cirrus clouds

Question 2

Which factor does NOT influence the rate of catch?

Accepted Answer

Aircraft color

Answer

Wing type

Answer

Liquid water content

Answer

Airspeed

Question 3

What type of icing forms a heavy, glassy coating?

Accepted Answer

Clear ice

Answer

Frost

Answer

Rime ice

Answer

Mixed ice

Question 4

What is the best way to avoid icing hazards?

Accepted Answer

Exit the ice-forming layer as quickly as possible

Answer

Fly at a higher speed

Answer

Increase the angle of attack

Answer

Turn off the autopilot

Question 5

What is the primary cause of turbulence?

Accepted Answer

Eddies and vertical currents

Answer

Low air pressure

Answer

High humidity

Answer

Clear skies

Question 6

Which type of turbulence is most commonly associated with jet streams?

Accepted Answer

Clear air turbulence

Answer

Thermal turbulence

Answer

Mechanical turbulence

Answer

Frontal turbulence

Question 7

What causes mechanical turbulence?

Accepted Answer

Friction and irregular terrain near the ground

Answer

Moist and unstable warm air

Answer

Uneven heating of the earths surface

Answer

Wind shear at high altitudes

Question 8

When is frontal turbulence most severe?

Accepted Answer

When the warm air is moist and unstable

Answer

When the cold air is moist and unstable

Answer

When the warm air is dry and stable

Answer

When the cold air is dry and stable

Question 9

What separates the troposphere from the stratosphere?

Accepted Answer

Tropopause

Answer

Thermal layer

Answer

Jet stream

Answer

Cirrus clouds

Question 10

What is the jet stream?

Accepted Answer

A narrow band of high-speed winds flowing from west to east

Answer

A layer of warm air above the tropopause

Answer

A region of low pressure at high altitudes

Answer

A zone of turbulence near the ground

Question 11

Why is icing rare at high levels?

Accepted Answer

Most clouds are composed of ice crystals

Answer

The aircraft speed prevents ice formation

Answer

The air pressure is too low

Answer

The air is too warm

Question 12

What causes canopy static?

Accepted Answer

Friction between solid particles and the aircraft surface

Answer

High-speed winds in the jet stream

Answer

Ice crystals melting on the aircraft

Answer

Uneven heating of the aircraft canopy

Question 13

What does a falling barometer indicate?

Accepted Answer

Cloudy unsettled weather

Answer

Clear skies

Answer

Strong winds

Answer

Rising temperatures

Question 14

What does a red sunset indicate?

Accepted Answer

Continued bright weather

Answer

Falling temperatures

Answer

Rain is coming

Answer

Strong winds

Question 15

What do thunderclouds developing in a westerly wind suggest?

Accepted Answer

Showers

Answer

Snow

Answer

Clear skies

Answer

Frost

Question 16

What do snow flurries with a west or north wind indicate?

Accepted Answer

Lower temperatures

Answer

Stable weather

Answer

Higher temperatures

Answer

Rain showers

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