5836578
Description
Quiz by tsampikos pompou, updated more than 1 year ago
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Created by tsampikos pompou
over 8 years ago
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Question 1
Question
186 Which of the following is correct:
Answer
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O The diurnal range of temperature is least in tropical countries
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O The diurnal variation of temperature is greatest when a moderate wind is blowing
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O The diurnal range of temperature sees the lowest temperature at sunrise
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O The diurnal range of temperature is greatest in conditions of high humidity
Question 2
Question
187 The measurement of surface temperature is made:
Answer
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O Approximately 4 feet above ground level
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O At ground level
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O Approximately 10 metres above ground level
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O Approximately 4 metres above ground level
Question 3
Question
188 It is possible for temperature to increase with height. This is known as:
Answer
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O An Inversion
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O An isothermal layer
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O A temperature conversion
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O A steep lapse rate
Question 4
Question
189 A saturated atmosphere has a surface temperature of +12C and a
temperature of +2C at 4000ft. The atmosphere is:
Answer
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O Unstable
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O Stable
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O Conditionally stable
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O Conditionally neutral
Question 5
Question
190
Pressure altitude is:
Answer
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O The height in the standard atmosphere at which the aircraft ambient pressure would be experienced
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O The standard pressure prevailing at official airfield level
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O The height indicated on a pressure altimeter when the sub-scale is set to QFE
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O The height indicated on a pressure altimeter when the sub-scale is set to QNH
Question 6
Question
191 Latent heat is defined in meterology as:
Answer
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O The quantity of heat emitted when condensation occurs which increases the temperature of the air
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O The quantity of heat absorbed decreasing the lapse rate of saturated air
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O lapse rate in dry air
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O The quantity of heat emitted which increases the lapse rate of saturated air
Question 7
Question
192 Which of the following options is the most effective way of heating
the troposphere:
Answer
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O Outgoing long wave radiation from the Earth
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O Incoming short wave radiation from the sun
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O Incoming long wave radiation fromt he sun
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O Outgoing short wave radiation from the Earth
Question 8
Question
193 As air is cooled to below its dew point temperature:
Answer
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O The actual water vapour content decreases to remain equal to the saturated water vapour content
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O The actual water vapour content increases to remain equal to the
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O The saturated water vapour content remains constant as the air is at 100% relative humidity
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O The saturated water vapour content increases as precipitation takes place when the temperature drops
Question 9
Question
194 Which of the following is correct:
Answer
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O The Pressure Gradient Force acts from High pressure to Low pressure in both hemispheres
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O The Geostrophic Wind flows along straight and parallel isobars at all latitudes,except Buys Ballot's Law is reversed in the southern hemisphere
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O The Geostrophic Force acts at 90 degrees to the isobars in equatorial latitudes
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O The Pressure Gradient Force acts in the same direction as the isobars in equatorial latitudes
Question 10
Question
195 When air is lifted due to the presence of a range of mountains in its path, the resulting vertical motion is referred to as:
Answer
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O Orographic lifting
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O Turbulence
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O Convergence
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O Frontal lifting
Question 11
Question
196 A Foehn wind is:
Answer
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O A warm dry wind which blows down the leeside of a mountain
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O A wind which flows down the leeside of a mountain due to its greater density
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O A warm wind which flows down the leeside of a mountain due to the pressure distribution
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O A dry wind which blows through a mountain gap or valley
Question 12
Question
197 Radiation fog often occurs:
Answer
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O In anti-cyclonic conditions with air of maritime origin
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O Near the coasts in the warm air of a polar depression in late spring
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O In a polar low which is intensifying
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O Along the line of a warm front of a warm sector depression
Question 13
Question
198 The intensity of precipitation associated with dense nimbostratus is:
Answer
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O Moderate or heavy
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O Light
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O Heavy, possibly hail
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O Nil
Question 14
Question
199 A SIGMET message concerns:
Answer
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O Weather phenomena likely to affect the safety of aircraft
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O Severe weather that is encountered by the pilot of an aircraft
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O Weather conditions likely to affect the safety of aircraft
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O A routine report of sig weather issued by a local Met Office
Question 15
Question
200 With relation to isobars on the sea level chart, surface wind:
Answer
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O Is inclined towards the area of low pressure
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O Is inclined towards the area of high pressure
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O Blows along the isobars with high pressure to the right in the northern hemisphere
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O Blows along the isobars with high pressure to the left in the northern hemisphere
Question 16
Question
201 Subsidence in an anticyclone produces:
Answer
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O Dry air and an inversion
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O Saturated air and an inversion
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O Isothermal dry and stable air
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O Increased pressure at the surface
Question 17
Question
202 Frontal fog:
Answer
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O Occurs in a narrow band where the frontal surface meets the ground
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O Occurs in precipitation at a cold front
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O Is due to evaporation of rain drops in the cold sector
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O Is due to rain saturating the warm sector air
Question 18
Question
203 The temperature lapse rate of rising saturated air in the lower troposphere is:
Answer
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O 1.5 degrees C per 1000 feet
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O 1.98 degrees C per 1000 feet
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O 3 degrees C per 1000 feet
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O 5.4 degrees C per 1000 feet
Question 19
Question
204 Aerodrome QNH is the:
Answer
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O Aerodrome pressure converted to mean sea level assuming ISA conditions between the aerodrome and sea level
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O Atmospheric pressure at the aerodrome level
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O QFE converted to mean sea level assuming constant temperature conditions between the aerodrome and sea level
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O Lowest value of QNH forecast to occur in the region of the aerodrome during a period of one hour
Question 20
Question
205
Sublimation occurs when:
Answer
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O Water vapour in the air changes directly into ice
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O Air is cooled below dewpoint temperature and fog forms
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O Water droplets in suspension condense directly into ice
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O Air is unable to support any more water vapour
Question 21
Question
206 If the relative humidity of a sample of air is 100%, then the actual amount of water vapour present would be:
Answer
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O Greater at the Equator than at the poles
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O Greater at the poles than at the Equator
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O The same at the Equator as at the poles
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O Greater at 10000ft than at mean sea level
Question 22
Question
207 Air Adiabatic temperature change occurs when :
Answer
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O No heat energy is lost or gained when a parcel of air is subjected to a change of pressure
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O The air temperature is altered as pressure decreases
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O The pressure of a parcel of air is maintained constant and the temperature is altered
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O Air cools at 3 degrees per 1000ft
Question 23
Question
208 A ridge of high pressure is generally associated with:
Answer
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O Divergence and subsidence causing clear skies and good weather
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O Divergence causing cloud to break up and more precipitation
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O Convergence causing increased cloud and precipitation
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O Divergence causing increased cloud and precipitation
Question 24
Question
209 Low cloud in temperate climates, excluding heap, are those existing from:
Answer
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O The surface to 6500ft
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O 1000ft to 6500ft
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O The surface to 7500ft
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O The surface to 7500 metres
Question 25
Question
210 Intensity of precipitation is described as:
Answer
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O Slight, moderate or heavy
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O Intermittent, continuous or showery
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O Intermittent, moderate or heavy
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O Drizzle, rain or snow
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