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Flashcards in MET PRT 2 actual Deck (21)
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1

What enhances the growth rate of precipitation?

Select one:
a. Temperature inversions.
b. Advective action.
c. Cyclonic movement.
d. Upward currents.

d. Upward currents.

2

The QNH of an airport at sea level is 983hPa and the temperature deviation from ISA is -15°C below FL100. What is the true altitude of FL100?

Select one:
a. 10210ft
b. 11410ft
c. 8590ft
d. 9790ft

c. 8590ft

3

Low level wind shear is likely to be greatest

Select one:
a. at the condensation level when there is no night radiation
b. at the top of the friction layer
c. at the condensation level when there is strong surface friction
d. at the top of a marked surface-based inversion

d. at the top of a marked surface-based inversion

4

An aircraft is approaching under visual flight rules an airfield whose runway is parallel to the coast. When downwind over the sea,the airfield is on the right. What wind effect should be anticipated on final approach and landing during a sunny afternoon?

Select one:
a. Tailwind
b. Crosswind from the left
c. Headwind
d. Crosswind from the right

d. Crosswind from the right

5

A wind sounding in the region of a polar front jetstream gives the following windprofile (Northern hemisphere)
900hPa 220/20kt
800hPa 220/25kt
700hPa 230/35kt
500hPa 260/50kt
400hPa 280/85kt
300hPa 300/100kt
250hPa 310/120kt
200hPa 310/80kt
Which system is the jet stream associated with?

Select one:
a. With a ITCZ
b. With a cold front
c. With an easterly wave
d. With a warm front

d. With a warm front

6

Fair weather cumulus gives an indication of:

Select one:
a. smooth flying below.
b. thunderstorms.
c. poor visibility.
d. turbulence.

d. turbulence.

7

What is meant by an area of divergence?

Select one:
a. An area where air masses are moving in.
b. A high pressure area.
c. An area where air masses are moving out.
d. A frontal zone.

c. An area where air masses are moving out.

8

What are squall lines?

Select one:
a. Unusual intensive cold fronts
b. The paths of tropical revolving storms
c. The surface weather associated with upper air troughs
d. Bands of intensive thunderstorms

d. Bands of intensive thunderstorms

9

The sea breeze is a wind from the tropopause

Select one:
a. occuring only in mid-latitudes and daytime
b. that reaches up to the tropopause in daytime
c. blowing at night in mid-latitudes
d. occuring only in the lower layers of the atmopshere in daytime

d. occuring only in the lower layers of the atmopshere in daytime

10

Which cloud type may extend from low to high level (vertical development)?

Select one:
a. CB
b. AC
c. CI
d. NS

a. CB

11

Clear Air Turbulence can be expected:

Select one:
a. near a jet stream and around and above a CB cloud.
b. near a jet stream and with an anabatic wind.
c. near a jet stream and in Stratus cloud.
d. with an upper level trough and in a col.

a. near a jet stream and around and above a CB cloud.

12

The gradient wind is:

Select one:
a. more than the geostrophic wind around a low.
b. None of the answers apply
c. less than the geostrophic wind around a high.
d. less than the geostrophic wind around a low.

d. less than the geostrophic wind around a low.

13

Fog and cloud formation takes place by:

Select one:
a. Sublimation
b. Condensation
c. None of the above.
d. Evaporation

b. Condensation

14

You are flying at FL160. Outside air temperature is -27°C and the pressure at sea level is 1003hPa. What is the true altitude?

Select one:
a. 15090ft
b. 15630ft
c. 16910ft
d. 16370ft

a. 15090ft

15

Which type wind flows down slope becoming warmer and dryer?

Select one:
a. Valley wind. Incorrect
b. Land breeze.
c. Katabatic wind.
d. Mountain breeze.

c. Katabatic wind.

16

An aircraft is approaching a cold front from the warm air mass side at FL 270 and experiencing moderate to severe turbulence. A jetstream is forecast to be at FL 310. The shortest way to get out of thisturbulence is by :

Select one:
a. Turn right
b. Descending
c. Maintain FL 270
d. Climbing

b. Descending

17

A flight is to depart from an airport with runways 09a nd 27. Surface wind is 270/05; an inversion is reported at 300ft with turbulence and wind shear. The wind just above the inversion is 090/30. What is the safest departure procedure?

Select one:
a. Take-off is not possible under these conditions
b. Depart on runway 09 with a tailwind Correct
c. Depart runway 27 with maximum throttle during the passage through the inversion
d. Depart runway 27 with as steep an ascent as possible

b. Depart on runway 09 with a tailwind Correct

18

What generates air movement and is the cause of wind?

Select one:
a. Rotation of the earth.
b. Difference in temperature.
c. Frontal systems.
d. Pressure

b. Difference in temperature

19

Geostrophic wind is the wind when isobars are

Select one:
a. straight lines and no friction is involved
b. curved lines and friction is involved
c. straight lines and no friction is involved
d. curved lines and no friction is involved

c. straight lines and no friction is involved

20

At a coastal airfield, with the runway parallel to the coastline. You are downwind over the sea with the runway to your right. On awarm summer afternoon, what would you expect the wind to be on finals?

Select one:
a. Headwind.
b. Crosswind from the left.
c. Crosswind from the right.
d. Tailwind.

c. Crosswind from the right

21

When flying at FL 180 in the Northern Hemisphere you experience a right drift:

Select one:
a. not enough information is provided to determine the TA.
b. your TA decreases.
c. your TA remains unchanged.
d. your TA increases

b. your TA decreases.