Meteorology - ATPL - Airline Transport Pilot license

Question 1

A plain in Western Europe with an average height of 500 m (1600 FT) above sea level is covered with a uniform CC layer of cloud during the summer months. At what height above the ground is the base of this cloud to be expected?

Accepted Answer

15000 - 35000 FT above the terrain

Answer

100 - 1500 FT above the terrain

Answer

1500 - 7000 FT above the terrain

Answer

7000 - 15000 FT above the terrain

Question 2

What are the images of satellites provided daily by the Weather Service used for?

Accepted Answer

To locate fronts in areas with few observation stations

Answer

To measure wind currents on the ground

Answer

To locate precipitation zones

Answer

To help provide 14-day forecasts

Question 3

In which of the following areas do surface high pressure systems usually predominate over the North Atlantic region between 30°N and 65°N and the adjoining land areas during the northern summer?

Accepted Answer

Azores, SE USA, SW Europe

Answer

Iceland, SW USA, Azores

Answer

Greenland, Azores, NE Canada

Answer

Greenland, SW Europe, NE Canada

Question 4

An aircraft is flying over the sea at FL 120, with a true altitude of 12000 feet

Accepted Answer

Local QNH is 1013 hPa. What assumption, if any, can be made about the air mass in which the aircraft is flying ?

Answer

Its average temperature is the same as ISA

Answer

There is insufficient information to come to any conclusion

Answer

It is warmer than ISA

Question 5

How are the air masses distributed in a cold occlusion ?

Accepted Answer

The warm air mass is above ground level.

Answer

The coldest air in front of and the warm air behind the occlusion

Answer

The less cold air is above ground level.

Answer

The coldest air in front of and the less cold air is behind the occlusion

Question 6

Which of the following meteorological phenomenon indicates upper level instability which may lead to thunderstorm development ?

Accepted Answer

AC castellanus.

Answer

AC lenticularis.

Answer

Red cirrus.

Answer

Halo.

Question 7

The most effective way to dissipate cloud is by

Accepted Answer

Subsidence

Answer

Convection

Answer

A decrease in pressure

Answer

A decrease in temperature

Question 8

Which forces are balanced with geostrophic winds?

Accepted Answer

Pressure gradient force, Coriolis force.

Answer

Friction force, Pressure gradient force, Coriolis force.

Answer

Pressure gradient force, Centrifugal force, Friction force.

Answer

Pressure gradient force, Coriolis force, Centrifugal force.

Question 9

Which area of a polar front jet stream in the northern hemisphere has the highest probability of turbulence?

Accepted Answer

Looking downstream, the area to the left of the core.

Answer

Looking downstream, the area to the right of the core.

Answer

In the core of the jet stream.

Answer

Above the core in the boundary between warm and cold air.

Question 10

In the month of August you prepare a flight (cruising level FL 370) from Bombay (19°N - 73°E) to Bangkok (13°N - 100°E). What wind conditions can you expect?

Accepted Answer

Headwinds

Answer

Strong northerly winds

Answer

Tailwinds

Answer

Light winds diagonal to the route

Quiz Meteorology - ATPL - Airline Transport Pilot license

Test 10 Questions ATPL - Airline Transport Pilot license - Meteorology, no time limit