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ATPL Met Revision 16
21問 • 1年前
  • Will Erwin
    • 通報

    問題一覧

  • 1

    The period of time a TTF supersedes a TAF issued for the same aerodrome is -

    for a period of 3hr from the time of the observation

  • 2

    The datums used in METARs are ?

    cloud base is height above aerodrome, wind direction based on true north

  • 3

    The following phenomena least likely to be associated with a microburst is ?

    heavy continuous rain from overcast NS

  • 4

    The conditions which are pre requisites for the formation of dust storms are ?

    land surface dry and dusty, wind at least moderate and an unstable atmosphere

  • 5

    The conditions most favourable for the formation of radiation fog overnight are ?

    clear sky, high temperature, high relative humidity

  • 6

    lenticular clouds are likely to indicate the presence of ?

    mountain waves

  • 7

    a mature thunderstorm is approaching the departure end of the runway. The greatest hazard to a heavy aircraft attempting to take off is ?

    down draughts

  • 8

    a parcel of moist (saturated) air rises vertically. The correct statement is ?

    it will cool at about 1.5 degrees per 1000ft

  • 9

    the atmospheric condition where the DALR is greater than the ELR but the SALR is less than the ELR is known as ?

    conditional instability or conditional stability

  • 10

    In January the subtropical jet stream is likely to be located ?

    near latitude 30 degrees south

  • 11

    Concerning forecasts in which cumulonimbus CB cloud is forecast the term FREQ means?

    many, with little or no separation

  • 12

    Concerning tropical cyclones -

    they tend to form over warm seas beyond 5 degrees of the equator

  • 13

    A mature cyclone is moving south in the southern hemisphere. The area of the worst weather is likely to be located ?

    in the south eastern quadrant

  • 14

    Clear air turbulence is often associated with jet streams. Concerning the relationship between jet streams and CAT

    the probability of encountering CAT is greatest if the jet is curved

  • 15

    You are approaching a westerly jet stream when flying south across Australia at FL 390. The temperature at FL390 is steadily decreasing. You would expect to pass -

    below the jet core

  • 16

    In the vicinity of a westerly jet stream located at 30 degrees south CAT is likely to be most severe ?

    southern side of the jet just below the level of the jet core

  • 17

    A MSL analysis shows a cold front between Tasmania and New Zealand. Concerning the stream flowing north behind the front -

    thunderstorms are possible in the stream because the stream will bring cold moist air rapidly over a warmer sea surface creating instability through latitudinal heating

  • 18

    Slant visibility in fog can cause ?

    the runway to be visible from overhead, but not in the circuit area or final

  • 19

    Clear icing is most likely "?

    above the freezing level on climb in cumuliform cloud

  • 20

    The most likely cause of turbulence over land on a hot day is ?

    thermal convection

  • 21

    Strong wind shear would most likely be encountered

    at a strong surface inversion boundary

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    問題一覧

  • 1

    The period of time a TTF supersedes a TAF issued for the same aerodrome is -

    for a period of 3hr from the time of the observation

  • 2

    The datums used in METARs are ?

    cloud base is height above aerodrome, wind direction based on true north

  • 3

    The following phenomena least likely to be associated with a microburst is ?

    heavy continuous rain from overcast NS

  • 4

    The conditions which are pre requisites for the formation of dust storms are ?

    land surface dry and dusty, wind at least moderate and an unstable atmosphere

  • 5

    The conditions most favourable for the formation of radiation fog overnight are ?

    clear sky, high temperature, high relative humidity

  • 6

    lenticular clouds are likely to indicate the presence of ?

    mountain waves

  • 7

    a mature thunderstorm is approaching the departure end of the runway. The greatest hazard to a heavy aircraft attempting to take off is ?

    down draughts

  • 8

    a parcel of moist (saturated) air rises vertically. The correct statement is ?

    it will cool at about 1.5 degrees per 1000ft

  • 9

    the atmospheric condition where the DALR is greater than the ELR but the SALR is less than the ELR is known as ?

    conditional instability or conditional stability

  • 10

    In January the subtropical jet stream is likely to be located ?

    near latitude 30 degrees south

  • 11

    Concerning forecasts in which cumulonimbus CB cloud is forecast the term FREQ means?

    many, with little or no separation

  • 12

    Concerning tropical cyclones -

    they tend to form over warm seas beyond 5 degrees of the equator

  • 13

    A mature cyclone is moving south in the southern hemisphere. The area of the worst weather is likely to be located ?

    in the south eastern quadrant

  • 14

    Clear air turbulence is often associated with jet streams. Concerning the relationship between jet streams and CAT

    the probability of encountering CAT is greatest if the jet is curved

  • 15

    You are approaching a westerly jet stream when flying south across Australia at FL 390. The temperature at FL390 is steadily decreasing. You would expect to pass -

    below the jet core

  • 16

    In the vicinity of a westerly jet stream located at 30 degrees south CAT is likely to be most severe ?

    southern side of the jet just below the level of the jet core

  • 17

    A MSL analysis shows a cold front between Tasmania and New Zealand. Concerning the stream flowing north behind the front -

    thunderstorms are possible in the stream because the stream will bring cold moist air rapidly over a warmer sea surface creating instability through latitudinal heating

  • 18

    Slant visibility in fog can cause ?

    the runway to be visible from overhead, but not in the circuit area or final

  • 19

    Clear icing is most likely "?

    above the freezing level on climb in cumuliform cloud

  • 20

    The most likely cause of turbulence over land on a hot day is ?

    thermal convection

  • 21

    Strong wind shear would most likely be encountered

    at a strong surface inversion boundary