PUEBLOS MAGICOS EN MEXICO

493) Frontal fog is most likely to occur

A

in winter in the early morning

B

in advance of a warm front

C

in rear of a warm front

D

in summer in the early morning

492) Which of the following are medium level clouds ?

A

Cumulonimbus

B

All convective clouds

C

Altostratus and altocumulus

D

Cirrocumulus and cirrostratus

491) A microburst phenomenon can arise in the

A

updraught of a cumulonimbus at the mature stage.

B

downdraught of a cumulonimbus at the formation stage.

C

updraught of a cumulonimbus at the growth stage.

D

downdraught of a cumulonimbus at the mature stage.

490) The geostrophic wind depends on

A

centripetal force, height, pressure gradient

B

density, earth's rotation, geographic latitude

C

earth's rotation, geographic latitude, centripetal force

D

geographic latitude, centripetal force, height

489) If Paris reports a wind of 08010KT on the METAR, what wind velocity would you expect to encounter at a height of 2000 feet above the ground ?

A

05020KT

B

08005KT

C

11020KT

D

08015KT

488) A cold pool

A

occurs frequently in winter to the south of the Alps when this region is under the influence of cold north-westerly airstream

B

is usually most evident in the circulation and temperature fields of the middle troposphere and may show little or no sign on a surface chart

C

develops usually in winter when very unstable maritime polar or maritime arctic air currents stream southwards along the eastern side of an extensive ridge of high pressure, in association with occluded systems

D

normally disappears at night and occurs almost exclusively in summer

460) An aircraft is flying at FL 180 on the northern

hemisphere with a crosswind from the left. Which of the following is correct concerning its true altitude ?

A

It increases

B

It remains constant

C

Without knowing temperatures at FL 180 this question can not be answered.

Domande Metereology

Professione Volare

500) How is the direction and speed of upper winds described in forecasts ?

A

The direction is relative to magnetic north and the speed is in knots.

B

The direction is relative to magnetic north and the speed is in miles per hour.

C

The direction is relative to true north and the speed is in miles per hour.

D

The direction is relative to true north and the speed is in knots.

421) An isohypse of the 500 hPa pressure surface is labelled with the number 552. This means that for all points on the isohypse the

A

pressure is 552 hPa

B

topography is 552 meters above MSL

C

pressure altimeter will overread by 552 FT

D

topography is 552 decameters above MSL

433) Which of the following factors have the greatest effect on the formation of the various types of ice on an aircraft ?

A

Cloud temperature and droplet size

B

Aircraft speed and size of cloud droplets

C

Aircraft speed and curvature of the airfoil

D

Relative humidity inside the cloud

432) How would you characterise an air temperature of -30°C at the 300 hPa level over western Europe?

A

Within +/-5°C of ISA

B

Low

C

Very low

D

High

431) What is the name of the wind or airmass which gives to the main part of India its greatest proportion of precipitation?

A

South-west monsoon.

B

South-east trade wind.

C

Indian, maritime tropical air mass.

D

Winter monsoon.

430) In which stage of the life cycle of a single thunderstorm cell occur both up- and downdrafts simultaneously?

A

Cumulus stage

B

Dissipating stage

C

In all stages

D

Mature stage

429) An outside air temperature of -35°C is measured while cruising at FL 200. What is the temperature deviation from the ISA at this level?

A

10°C warmer than ISA.

B

5°C warmer than ISA.

C

5°C colder than ISA.

D

10°C colder than ISA.

428) Strongly developed cumulus clouds are an indication of

A

the presence of a low level inversion

B

the presence of warm air aloft

C

poor surface visibility

D

instability in the atmosphere

427) (For this question use annex 050-2496A)

Which airport, at 1200 UTC, has the lowest probability of precipitation?

A

EFHK

B

LSZH

C

ESSA

D

ENFB

426) Which of the following statements concerning jet streams is correct?

A

In the northern hemisphere only westerly jet streams occur

B

In the southern hemisphere no jet streams occur

C

In the southern hemisphere only easterly jet streams occur

D

In the northern hemisphere both westerly and easterly jet streams occur

Domande Metereology

Professione Volare

425) What is the vertical temperature lapse rate, up to 11 km, in the standard ICAO atmosphere ?

A

6.5°C per 1000 m

B

4.5°C per 1000 m

C

3°C per 1000 m

D

2°C per 1000 m

424) Which of the following statements concerning the lifting of a parcel of air is correct ?

A

Saturated parcels always cool at a rate of 0.65°C per 100m

B

Unsaturated parcels cool more rapidly than saturated parcels

C

Unsaturated parcels cool less rapidly than saturated parcels

D

Unsaturated parcels cool at a rate of 0.65°C per 100m

462) How are the air masses distributed in a cold occlusion ?

A

The coldest air mass behind and the less cold air in front of the occlusion; the warm air mass is above ground level.

B

The coldest air in front of and the less cold air is behind the occlusion; the warm air mass is above ground level.

C

The coldest air in front of and the warm air behind the occlusion; the less cold air is above ground level.

D

The coldest air behind and the warm air in front of the occlusion; the less cold air mass is above ground level.

422) What of the following is the most important constituent in the atmosphere from a weather stand-point ?

A

Nitrogen

B

Oxygen

C

Hydrogen

D

Water vapour

436) At approximately what altitude is the subtropical jet stream found over Europe?

A

FL 200

B

FL 300

C

FL 500

D

FL 400

420) In which of the following 1850 UTC METAR reports, is the probability of fog formation, in the coming night, the highest?

In document MARKETING TURÍSTICO NACIONAL (página 59-69)