Meteorology for Pilots MCQs

What is the standard lapse rate in the troposphere? a) 1°C per 1000 ft b) 2°C per 1000 ft c) 3°C per 1000 ft d) 6.5°C per 1000 ft Answer: d) 6.5°C per 1000 ft What does the term “dew point” refer to? a) The temperature at which air becomes saturated b) The temperature at which dew forms on surfaces c) The point at which fog will form d) The height at which clouds form Answer: a) The temperature at which air becomes saturated Which cloud type is associated with thunderstorms? a) Stratus b) Cumulonimbus c) Cirrus d) Altostratus Answer: b) Cumulonimbus What is the primary cause of wind? a) Earth’s rotation b) Differences in air pressure c) Ocean currents d) Solar radiation Answer: b) Differences in air pressure What is a temperature inversion? a) A reversal of wind direction b) An increase in temperature with altitude c) A decrease in temperature with altitude d) A sudden drop in temperature at ground level Answer: b) An increase in temperature with altitude What does “QNH” refer to in aviation meteorology? a) Pressure altitude b) Sea level pressure c) Field elevation d) Minimum safe altitude Answer: b) Sea level pressure Which instrument measures atmospheric pressure? a) Barometer b) Anemometer c) Hygrometer d) Thermometer Answer: a) Barometer What is a microburst? a) A small, intense downdraft b) A sudden increase in temperature c) A fast-moving cold front d) A type of fog Answer: a) A small, intense downdraft What does a METAR report provide? a) Long-range weather forecast b) Hourly weather observations c) Seasonal climate data d) Pilot reports of turbulence Answer: b) Hourly weather observations What is the Coriolis effect? a) The effect of the Earth’s rotation on weather patterns b) The effect of humidity on temperature c) The effect of pressure on wind speed d) The effect of solar radiation on atmospheric pressure Answer: a) The effect of the Earth’s rotation on weather patterns What is the main characteristic of a cold front? a) Warm air moving over cold air b) Cold air moving over warm air c) Equal mixing of warm and cold air d) Stationary boundary between warm and cold air Answer: b) Cold air moving over warm air What does “SIGMET” stand for in aviation weather? a) Significant Meteorological Information b) Standard Meteorological Information c) Severe Icing and Gusty Meteorology d) Significant International Meteorological Event Answer: a) Significant Meteorological Information What is the function of a windsock at an airport? a) To indicate visibility b) To measure wind speed c) To show wind direction d) To measure temperature Answer: c) To show wind direction Which type of fog forms when warm, moist air moves over a cold surface? a) Radiation fog b) Advection fog c) Upslope fog d) Steam fog Answer: b) Advection fog What is the typical range of altimeter settings in inches of mercury (inHg) that pilots can expect? a) 25.00 to 28.00 inHg b) 26.00 to 30.00 inHg c) 27.00 to 31.00 inHg d) 28.00 to 32.00 inHg Answer: b) 26.00 to 30.00 inHg What phenomenon is characterized by a sudden increase in wind speed and direction? a) Microburst b) Squall c) Jet stream d) Thermal Answer: b) Squall What does the term “visibility” refer to in meteorology? a) The distance one can see b) The cloud ceiling height c) The extent of cloud cover d) The amount of precipitation Answer: a) The distance one can see Which type of cloud is typically thin and wispy and found at high altitudes? a) Cumulus b) Stratus c) Cirrus d) Nimbostratus Answer: c) Cirrus What is the primary cause of turbulence in clear air? a) Wind shear b) Thunderstorms c) Frontal systems d) Temperature inversion Answer: a) Wind shear What is the Beaufort scale used to measure? a) Temperature b) Wind speed c) Atmospheric pressure d) Humidity Answer: b) Wind speed Which layer of the atmosphere contains the ozone layer? a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere Answer: b) Stratosphere What does “CAVOK” mean in a METAR report? a) Clouds and visibility okay b) Clear air visibility okay c) Ceiling and visibility okay d) Clear and visible over kilometers Answer: c) Ceiling and visibility okay What is the most common type of precipitation in mid-latitude climates? a) Rain b) Snow c) Hail d) Sleet Answer: a) Rain What is the primary danger of flying through volcanic ash clouds? a) Loss of visibility b) Engine failure c) Icing d) Radio interference Answer: b) Engine failure Which weather phenomenon is most likely to cause structural icing on an aircraft? a) Clear skies b) Freezing rain c) High humidity d) Strong winds Answer: b) Freezing rain What does the term “wind shear” refer to? a) A sudden change in wind speed and/or direction over a short distance b) A steady increase in wind speed with altitude c) A decrease in wind speed with altitude d) A uniform wind flow Answer: a) A sudden change in wind speed and/or direction over a short distance What type of front is formed when a cold front overtakes a warm front? a) Stationary front b) Occluded front c) Warm front d) Cold front Answer: b) Occluded front What does the term “ATIS” stand for? a) Automatic Terminal Information Service b) Automated Traffic Information System c) Air Traffic Information Service d) Aerial Terminal Information Service Answer: a) Automatic Terminal Information Service What is a “katabatic wind”? a) A wind that flows down a slope b) A wind that flows up a slope c) A wind that occurs at sea level d) A wind that occurs only in deserts Answer: a) A wind that flows down a slope What type of turbulence is caused by obstacles such as mountains? a) Clear air turbulence b) Convective turbulence c) Mechanical turbulence d) Thermal turbulence Answer: c) Mechanical turbulence Which instrument on an aircraft measures the difference between static pressure and dynamic pressure? a) Altimeter b) Airspeed indicator c) Vertical speed indicator d) Heading indicator Answer: b) Airspeed indicator What is “radiation fog” most commonly associated with? a) Coastal regions b) Warm, humid air moving over cold surfaces c) Clear nights with calm winds d) Areas near mountains Answer: c) Clear nights with calm winds What does “ICAO” stand for? a) International Civil Aviation Organization b) International Climate and Atmospheric Organization c) International Cloud and Atmospheric Observation d) International Council for Aviation Operations Answer: a) International Civil Aviation Organization What is the typical cause of sea breezes? a) The difference in temperature between land and sea b) The rotation of the Earth c) The presence of high-pressure systems d) The flow of warm air from the equator Answer: a) The difference in temperature between land and sea What does the term “ceilometer” refer to? a) A device that measures cloud height b) A device that measures wind speed c) A device that measures precipitation d) A device that measures atmospheric pressure Answer: a) A device that measures cloud height Which phenomenon is characterized by the appearance of a halo around the sun or moon? a) Advection fog b) Altocumulus clouds c) Cirrostratus clouds d) Nimbostratus clouds Answer: c) Cirrostratus clouds What does a “TAF” report provide? a) Terminal aerodrome forecast b) Terminal aviation forecast c) Temporary aviation forecast d) Tactical air forecast Answer: a) Terminal aerodrome forecast What is the main characteristic of a warm front? a) Warm air moving over cold air b) Cold air moving over warm air c) Sudden temperature drop d) Stationary boundary Answer: a) Warm air moving over cold air What does the term “troposphere” refer to? a) The lowest layer of the atmosphere b) The layer of the atmosphere containing the ozone layer c) The middle layer of the atmosphere d) The outermost layer of the atmosphere Answer: a) The lowest layer of the atmosphere Which type of cloud is associated with steady, continuous precipitation? a) Cumulus b) Stratus c) Nimbostratus d) Cirrus Answer: c) Nimbostratus What is the primary purpose of a “PIREPs” in aviation? a) To report pilot observations of weather b) To provide automated weather reports c) To forecast terminal weather conditions d) To report aircraft position and speed Answer: a) To report pilot observations of weather What is the most significant hazard of a thunderstorm to aircraft? a) Low visibility b) Heavy rainfall c) Lightning d) Severe turbulence Answer: d) Severe turbulence Which type of cloud is known as a “fair weather” cloud? a) Cumulus b) Stratus c) Cirrus d) Nimbostratus Answer: a) Cumulus What does the term “isobar” refer to? a) A line of equal temperature b) A line of equal pressure c) A line of equal wind speed d) A line of equal humidity Answer: b) A line of equal pressure What is the primary source of energy for weather systems? a) Earth’s rotation b) Ocean currents c) Solar radiation d) Atmospheric pressure Answer: c) Solar radiation What is the main feature of a stationary front? a) Little or no movement b) Rapid movement c) Warm air moving over cold air d) Cold air moving over warm air Answer: a) Little or no movement What does “LLWAS” stand for in aviation weather? a) Low-Level Wind Shear Alert System b) Low-Level Weather Advisory System c) Localized Wind and Airflow System d) Long-Range Weather Alert System Answer: a) Low-Level Wind Shear Alert System What is the primary characteristic of a mesocyclone? a) A large, rotating thunderstorm b) A sudden increase in temperature c) A fast-moving cold front d) A type of fog Answer: a) A large, rotating thunderstorm What does the term “altocumulus” refer to? a) Low, layered clouds b) Middle-altitude, fluffy clouds c) High-altitude, wispy clouds d) Clouds associated with thunderstorms Answer: b) Middle-altitude, fluffy clouds What does the term “gust front” refer to? a) The leading edge of a thunderstorm’s downdraft b) The boundary between warm and cold air c) The point where fog forms d) The altitude at which wind shear occurs Answer: a) The leading edge of a thunderstorm’s downdraft

Meteorology for Pilots MCQs

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