Meteorology - ATPL - Airline Transport Pilot license

Question 1

What are squall lines?

Accepted Answer

Bands of intensive thunderstorms.

Answer

The surface weather associated with upper air troughs.

Answer

Unusual intensive cold fronts.

Answer

The paths of tropical revolving storms.

Question 2

What is the main composition of clouds classified as 'high level clouds'?

Accepted Answer

Ice crystals.

Answer

Supercooled water droplets.

Answer

Water vapour.

Answer

Water droplets.

Question 3

You are flying from east to west in the northern hemisphere at the 500 hPa pressure surface. Which of the following statements is correct?

Accepted Answer

If the wind is from the north you are gaining altitude

Answer

If the wind is from the south you are gaining altitude

Answer

If you have a tail wind you are losing altitude

Answer

If you have a head wind you are gaining altitude

Question 4

Glaze or clear ice is formed when supercooled droplets are:

Accepted Answer

Large and at a temperature just below freezing.

Answer

Small and at a temperature just below freezing.

Answer

Small and freeze rapidly.

Answer

Of any size at temperatures below -35 °

Question 5

What does the expression 'Broken (BKN)' mean?

Accepted Answer

5-7 eighths of the sky is cloud covered

Answer

3-4 eighths of the sky is cloud covered

Answer

3-5 eighths of the sky is cloud covered

Answer

Nil significant cloud cover

Question 6

On the Significant Weather Chart, we see the following indications: SCT CU 060/100The forecast charts for FL 050 and FL 100 both indicate a wind from 320°/15 kt. In flight at FL 055 over an area of plains (flat country) during the validity period of the Significant Weather Chart, we observe moderate turbulence. This turbulence is caused by

Accepted Answer

The instability of the air mass between the surface and the top of Cumulus clouds.

Answer

The surface radiation.

Answer

A wind shear.

Answer

System waves.

Question 7

Considering the sector from 10°N to Nairobi of the route indicated, during January the upper winds at the 300 hPa level are most likely to be

Accepted Answer

Light easterlies

Answer

Easterly jet streams in excess of 70 kt

Answer

Westerlies at 40 kt

Answer

Westerlies in excess of 60 kt

Question 8

What information is required to convert a minimum safe altitude into a lowest usable flight level?

Accepted Answer

Lowest value of QNH and the highest negative temperature deviation from ISA

Answer

Highest value of QNH and the highest positive temperature deviation from ISA

Answer

Highest value of QNH and the highest negative temperature deviation from ISA

Answer

Lowest value of QNH and the lowest negative temperature deviation from ISA

Question 9

With what type of cloud is 'GR' precipitation most commonly associated?

Accepted Answer

CB

Answer

ST

Answer

AS

Answer

CC

Question 10

What type of clouds are associated with rain showers ?

Accepted Answer

Towering cumulus and cumulonimbus.

Answer

Towering cumulus and altostratus.

Answer

Nimbostratus.

Answer

Altostratus and stratus.

Quiz Meteorology - ATPL - Airline Transport Pilot license

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