Met Gen 2

Question 1

When air ascends, its ability to contain moisture:

A) Increases.
B) Remains unchanged.
C) Initially Increases, Then decreases.
D) Decreases.

Answer 1

D) Decreases.

Question 2

During the condensation process which of the following is true?

A) The relative humidity of the surrounding air decreases.
B) Latent heat is released to the surrounding air.
C) Latent heat is absorbed from the surrounding air.
D) The condensed water vapor molecules will enter a higher energy state.

Answer 2

B) Latent heat is released to the surrounding air.

Question 3

When condensation occurs in an unstable air mass, the stability of the air tends to become:

A) More unstable as heat is released to the surrounding air.
B) More stable as heat is released to the surrounding air.
C) More unstable as the surrounding air is cooled from absorption of latent heat.
D) More stable as the surrounding air is cooled from absorption of latent heat.

Answer 3

A) More unstable as heat is released to the surrounding air.

Question 4

With a surface temperature of 28 degrees C and a dewpoint temperature of 16 degrees C reported at your airport, you would predict the base of any convective cloud might form to be approximately:

A) 7600 ft AGL.
B) 6400 ft AGL.
C) 4900 ft AGL.
D) 2900 ft AGL.

Answer 4

C) 4900 ft AGL.

Question 5

With respect to a rising parcel of air which commences to ascend from a sea level airport where the temperature is 30 degrees C, what would be its temperature at 14,000 ft above sea level if it became saturated at 6000 ft above sea level?

A) +2
B) 0
C) -1
D) +6

Answer 5

B) 0

Question 6

When discussing the stability/instability of the atmosphere, we are referring to:

A) The diurnal fluctuations in the height of pressure surfaces aloft.
B) A property of the atmosphere that suppresses or promotes vertical motion.
C) The varying speeds and slopes of frontal surfaces and their effect on the surface temperature field.
D) The effects of macro-scale temperature distribution in the upper tropopause.

Answer 6

B) A property of the atmosphere that suppresses or promotes vertical motion.

Question 7

The stability of warm, dry air depends on the relationship between the:

A) Saturated adiabatic lapse rate and the dry adiabatic lapse rate.
B) Dry adiabatic lapse rate and the standard lapse rate.
C) Dry adiabatic lapse rate and the environmental lapse rate.
D) Saturated adiabatic lapse rate and the environmental lapse rate.

Answer 7

C) Dry adiabatic lapse rate and the environmental lapse rate.

Question 8

Stable air is most likely to be associated with:

A) Cold air advecting over a warm surface.
B) Shower precipitation.
C) Gusty winds.
D) Sustained low visibility.

Answer 8

D) Sustained low visibility.

Question 9

Haze layers, drizzle and fog are features of:

A) Overrunning air.
B) Stable air.
C) A convergence zone.
D) Advection heating of cold air.

Answer 9

B) Stable air.

Question 10

One weather condition that may affect visibility in unstable air is:

A) Haze layers.
B) Snow showers.
C) Drizzle.
D) Fog.

Answer 10

B) Snow showers.

Question 11

Stable air becomes unstable as a result of:

A) Subsidence.
B) Radiation Cooling.
C) Addition of moisture.
D) Heating from below.

Answer 11

D) Heating from below.

Question 12

A good signpost of mid-level instability would be the presence of:

A) Stratocumulus.
B) Cirrocumulus.
C) Altocumulus.
D) Cumulus Fractus.

Answer 12

C) Altocumulus.

Question 13

Which of the following effectively inhibits or blocks rising air?

A) A frontal depression.
B) A supercooled layer aloft.
C) An inversion.
D) A convergence zone.

Answer 13

C) An inversion.

Question 14

The pilot of an aircraft would expect the smoothest low level flight during a hot summer afternoon when passing over which of the following surface features?

A) A forest.
B) A plowed field.
C) A lake.
D) A vineyard.

Answer 14

C) A lake.

Question 15

A pressure of 200hPa is closest to which of the following levels in the ICAO Standard Atmosphere?

A) FL600.
B) FL450.
C) FL390.
D) FL340

Answer 15

C) FL390.

Question 16

FL450 is associated with which pressure level in the ICAO Standard Atmosphere?

A) 250 hPa.
B) 150 hPa.
C) 200 hPa.
D) 300 hPa.

Answer 16

B) 150 hPa.

Question 17

The vertical distance between two specific pressure levels is:

A) Greater in cold air than in warm air.
B) Not affected by the temperature of the air.
C) Less in cold air than in warm air.
D) Solely determined by the adiabatic lapse rate.

Answer 17

C) Less in cold air than in warm air.

Question 18

The height of a pressure level (ex. 500MB) will tend to be found:

A) At a higher level in a colder air mass.
B) At a higher level when the MSL pressure is low.
C) At a lower level in a warmer air mass.
D) At a lower level in a colder air mass.

Answer 18

D) At a lower level in a colder air mass.

Question 19

The height of a pressure level will:

A) Become lower when a Low is deepening.
B) Become higher when a Low is deepening.
C) Become lower when a Low is filling.
D) Remain unchanged whether a Low is deepening or filling.

Answer 19

A) Become lower when a Low is deepening.

Question 20

Flying in the lower levels towards the center of an anticyclone which has a strong pressure gradient, a pilot would expect:

A) High winds and increasing barometric pressure.
B) Light winds and relatively constant barometric pressure.
C) Clear weather and relatively low barometric pressure.
D) High winds and decreasing barometric pressure.

Answer 20

A) High winds and increasing barometric pressure.

Question 21

When flying towards a ridge of high pressure at FL200, what happens to the height of the pressure level and your true altitude?

A) Pressure level goes up and your true altitude goes up.
B) Pressure level goes up and your true altitude goes up.
C) Pressure level goes down and your true altitude goes down.
D) Pressure level goes down and your true altitude goes up.

Answer 21

B) Pressure level goes up and your true altitude goes up.

Question 22

When flying at FL200 towards an area of colder air on the surface of the earth, what happens to the height of the pressure level and your true altitude.

A) Pressure level goes up and your true altitude goes up.
B) Pressure level goes up and your true altitude goes up.
C) Pressure level goes down and your true altitude goes down.
D) Pressure level goes down and your true altitude goes up.

Answer 22

C) Pressure level goes down and your true altitude goes down.

Question 23

When flying at FL370 towards a ridge of high pressure and an area of warmer air on the surface of the earth, what happens to your indicated altitude (shown on your altimeter) and your true altitude.

A) Indicated altitude goes up, therefore your true altitude goes up.
B) Indicated altitude goes down, therefore your true altitude goes up.
C) Indicated altitude stays the same, but your true altitude goes down.
D) Indicated altitude stays the same, but your true altitude goes up,

Answer 23

D) Indicated altitude stays the same, but your true altitude goes up,

Question 24

*An aircraft is parked on the apron. You go home for the night. During the evening, cold air moves into the vicinity of the airport. When you return to your aircraft in the morning, what does your altimeter show?

A) It will over read and indicate a higher than normal altitude.
B) There will be no change in the altimeters reading.
C) It will under read and indicate a lower than normal altitude.
D) It will over read and indicate a lower than normal altitude.

Answer 24

*B) There will be no change in the altimeters reading.

Question 25

Which of the following statements relating to an anticyclone is NOT true?

A) Within this pressure region there is a general increase in relative humidity.
B) Fair weather and clear skies normally prevail within the region of an anticyclone.
C) An anticyclone is generally characterized by a downward vertical movement.
D) Anticyclones can be described as strong or weak and strengthening or weakening.

Answer 25

A) Within this pressure region there is a general increase in relative humidity.

Question 26

Surface Highs and Lows develop as a result of:

A) Converging or diverging air at the surface.
B) Strong pressure gradients along the surface.
C) Unstable air masses.
D) Upper level convergence and divergence forcing air to sink or rise respectively.

Answer 26

D) Upper level convergence and divergence forcing air to sink or rise respectively.

Question 27

A trough is:

A) A wedge shaped extension of an anticyclone.
B) An upper troposphere contour pattern which is associated with warm air moving towards the North Pole.
C) An elongated area of relatively low atmospheric pressure.
D) An indefinite isobar configuration located between two highs and two lows.

Answer 27

C) An elongated area of relatively low atmospheric pressure.

Question 28

A neutral area, not bounded by any one isobar, within which light winds are blowing and the weather is changing very slowly, exists between two high and two low pressure systems. The name given to this indefinite pressure area is:

A) A secondary Depression.
B) A geostrophic divergence zone.
C) A surface occlusion.
D) A Col

Answer 28

D) A Col

Question 29

During descent from 3000 ft AGL to the surface, you would except the wind to:

A) Veer and increase,
B) Veer and decrease.
C) Back and increase.
D) Back and decrease.

Answer 29

D) Back and decrease.

Question 30

The wind at 3000 ft over the land is parallel to the isobars at 30 kts. What would be the most probable angle to the isobars and speed of the surface wind assuming it is not affected by local topography.

A) 0 degrees and 20 kts
B) 10 degrees and 30 kts.
C) 30 degrees and 20 kts.
D) 40 degrees and 40 kts.

Answer 30

C) 30 degrees and 20 kts.