ATPL METEOROLOGY PDF

Zee - United Kingdom 21 03 Very good question bank. My exams have been identical to this bank. Keep the hard work up guys. So far the best bank out there.

Author:Akinojas Ketaxe
Country:Cuba
Language:English (Spanish)
Genre:Life
Published (Last):24 March 2005
Pages:485
PDF File Size:8.57 Mb
ePub File Size:13.49 Mb
ISBN:141-3-55894-174-4
Downloads:57767
Price:Free* [*Free Regsitration Required]
Uploader:Nitaur



The troposphere is the: A part of the atmosphere above the stratosphere B part of the atmosphere below the tropopause C boundary between the mesosphere and thermosphere D boundary between the stratosphere and the mesosphere Ref: all Ans: B The amount of water vapour which air can hold largely depends on: A relative humidity B air temperature C stability of air D dew point Ref: all Ans: B The tropopause is a level at which: A vertical currents are strongest B water vapour content is greatest C pressure remains constant D temperature ceases to fall with increasing height Ref: all Ans: D The tropopause is lower; A south of the equator than north of it B in summer than winter in moderate latitudes C over the North pole than over the equator D over the equator than over the South Pole Ref: all Ans: C What is the approximate composition of the dry air by volume in the troposphere?

In which layer is most of the atmospheric humidity concentrated? Going from the equator to the north pole, the altitude of the tropopause: A increases and its temperature increases B decreases and its temperature increases C increases and its temperature decreases D decreases and its temperature decreases Ref: all Ans: B In the mid-latitudes the stratosphere extends on an average from: A 85 to more than km B 0 to 11 km C 50 to 85 km D 11 to 50 km Ref: all Ans: D Which layer of the atmosphere contains more than 90 per cent of all water vapour?

Which one of the following statement applies to the tropopause? A It is, by definition, a temperature inversion B It is, by definition, an isothermal layer C It indicates a strong temperature lapse rate D It separates the troposphere from the stratosphere Ref: all Ans: D The troposphere: A has a greater vertical extent above the equator than above the poles B contains all oxygen of the stratosphere C is the separation layer between the stratosphere and atmosphere D reaches the same height at all latitudes Ref: all Ans: A How does the height of the tropopause normally vary with latitude in the northern hemisphere?

What, approximately, is the average height of the tropopause over the equator? Why are indications about the height of the tropopause not essential for flight documentation in the tropics? A The tropopause is generally well above the flight level actually flown B The meteorological services are unable to provide such a chart C The temperatures of the tropical tropopause are always very cold and therefore not important D Tropopause information are of no value Ref: all Ans: A What is the most likely temperature at the tropical tropopause?

What of the following is the most important constituent in the atmosphere from a weather stand point? The height and the temperature of the tropopause are respectively in the order of: A 16 km and oC over the poles B 16 km and oC over the equator C 8 km and oC over the equator D 8 km and oC over the poles Ref: all Ans: B The troposphere is: A deepest over the equator B deepest over the poles C the same depth all over the earth D shallowest over the poles in summer Ref: all Ans: A Which of the following statements concerning the tropopause is correct?

A The temperature of the tropopause at the equator and at the poles is equal B The temperature remains constant above and below the tropopause C The temperature of the tropopause at the equator is higher than at the poles D The temperature lapse rate changes abruptly at the tropopause Ref: all Ans: D Which statement concerning the tropopause is correct?

A The temperature at the tropopause is approximately oC over the Poles and approximately oC over the equator B Above the tropopause no clear air turbulence occurs C in the ICAO standard atmosphere the tropopause lies higher over the Poles than over the equator D The layer just above the tropopause is absolutely stable Ref: all Ans: D Temperature Which is true of the temperature at the tropopause?

A It is higher in polar regions than in equatorial regions B It is higher in equatorial regions than in polar regions C It is highest in middle latitudes D There is no significant difference with change of latitude Ref: all Ans: A Several physical processes contribute to atmospheric warming. Which of the following contribute the most? An outside air temperature of oC is measured while cruising at FL What is the temperature deviation from the ISA at this level?

A layer can be: A unstable for unsaturated air and conditionally unstable B stable for saturated air and unstable for unsaturated air C unstable for unsaturated air and neutral for saturated air D stable for unsaturated air and unstable for saturated air Ref: all Ans: D At a certain position, the temperature on the hPa chart is oC; according to the tropopause chart, the tropopause is at FL What is the most likely temperature at FL ?

A - Absolute instability exists whenever the environmental lapse rate: A exceeds the saturated adiabatic lapse rate B exceeds the dry adiabatic lapse rate C is less than the saturated adiabatic lapse rate D is between the dry and saturated adiabatic lapse rate Ref: all Ans: B A significant inversion at low height is a characteristic of: A the passage of cold front B nocturnal radiation C advection fog D cumulus clouds Ref: all Ans: B An inversion is a layer of air which is: A absolutely unstable B absolutely stable C conditionally unstable D conditionally stable Ref: all Ans: B An inversion is: A an increase of temperature with height B an increase of pressure with height C a decrease of pressure with height D a decrease of temperature with height Ref: all Ans: A When in the upper part of a layer warm air is advected the A stability increases in the layer B stability decreases in the layer C wind will back with increasing height in the northern hemisphere D wind speed will always decrease with increasing height in the northern hemisphere Ref: all Ans: A Advection is: A the same as convection B vertical motion of air C the same as subsidence D horizontal motion of air Ref: all Ans: D In the lower part of the stratosphere the temperature: A decreases with altitude B is almost constant C increases with altitude D increases at first and decreases afterward Ref: all Ans: B An isothermal layer is a layer of air in which the temperature: A increases with height at a constant rate B increases with height C decreases with height at a constant rate D remains constant with height Ref: all Ans: D Which of the following is a common result of subsidence?

An air mass is called stable when: A the vertical motion of rising air tends to become weaker and disappears B the temperature in a given air mass decreases rapidly with height C the pressure in a given area is constant D the environmental lapse rate is high, with little vertical motion of air currents Ref: all Ans: A What is the technical term for an increase in temperature with altitude?

The dry adiabatic lapse rate has a value of: A 0. How would you characterise an air temperature of 15oC at the hPa level over western Europe? The rate of decrease of temperature with height per m in the International Standard Atmosphere is: A 0.

The radiation of the sun heats: A the air in the troposphere only directly if no clouds are present B the air in the troposphere directly C the water vapour in the air of the troposphere D the surface of the earth, which heats the air in the troposphere Ref: all Ans: D From which of the following pieces of information can the stability of the atmosphere be derived?

What characteristic is associated with a temperature inversion? Convective activity over land in mid-latitudes is greatest in: A winter in the afternoon B winter during the night and early morning C summer during the night and early morning D summer in the afternoon Ref: all Ans: D The dry adiabatic lapse rate: A has a constant fixed value B is greater in summer than in winter C is greater during the night than during the day D has a variable value Ref: all Ans: A The temperature at FL is oC.

The diurnal variation in temperature is largest when the sky is: A clear and winds are strong B clear and winds are weak C overcast and winds are weak D overcast and winds are strong Ref: all Ans: B On a clear sky, continental ground surface, wind calm, the minimum temperature is reached approximately: A at the moment the sun rises B half an hour before sunrise C half an hour after sunrise D one hour before sunrise Ref: all Ans: C The temperature at FL is -5oC.

The 0o isotherm is forecast to be at FL At what FL would you expect a temperature of -6oC? A temperature of 15oC is recorded at an altitude of metres above sea level. If the vertical temperature gradient is that of a standard atmosphere, what will the temperature be at the summit of a mountain, metres above sea level? The value of the saturated adiabatic lapse rate is closest to that of the dry adiabatic lapse rate in: A cumulus B freezing fog C stratus D cirrus Ref: all Ans: D The sky is covered by 8 oktas of stratus.

QNH is hPa. Which of the following is a common cause of ground or surface temperature inversion? A Terrestrial radiation on a clear night with no or very light winds B Warm air being lifted rapidly aloft, in the vicinity of mountainous terrain C The movement of colder air under warm air, or the movement of warm air over cold air D Heating of the air by subsidence Ref: all Ans: A How does temperature vary with increasing altitude in the ICAO standard atmosphere below the tropopause?

How would you characterise an air temperature of 30oC at the hPa level over western Europe? How would you characterise an air temperature of 55oC at the hPa level over western Europe? A wide body takes off on a clear night in Dhahran, Saudi Arabia. Shortly after take off the aircrafts rate of climb drops to zero. In still air the temperature decreases at an average of 1.

This temperature change is called: A environmental lapse rate B saturated adiabatic lapse rate C dry adiabatic lapse rate D normal lapse rate Ref: all Ans: A In the disturbed temperate regions: A winters are generally mild B the weather is mainly governed by travelling frontal depressions C the wet season is normally from May to September D the surface winds are moderate westerlies Ref: all Ans: B Horizontal differences in the mean temperature of a layer are caused by: A insulation B advection C differential heating of the earths surface D change of air mass Ref: all Ans: C Which of the following statements concerning the thermal wind component TWC is true?

Which one of the following describes normal conditions? A Temperature decreases with height in the troposphere B Temperature increases with height in the troposphere C Temperature decreases with height in the stratosphere D Temperature decreases at a similar rate in the troposphere as in the stratosphere Ref: all Ans: A If the depth of the troposphere increases, the temperature at the tropopause must: A decrease B stay the same C increase D impossible to say Ref: all Ans: A If the leeward condensation level is observed to be 8, ft what will be the final temperature?

A parcel of unsaturated air is forced to rise through an isothermal layer. So long as it remains unsaturated, the temperature of the parcel: A decreases 0. Absolute instability in the atmosphere will occur when the environmental lapse rate is A greater than both saturated adiabatic lapse rate and dry adiabatic lapse rate B less than saturated adiabatic lapse rate C less than both saturated adiabatic lapse rate and dry adiabatic lapse rate D greater than saturated adiabatic lapse rate but less than dry adiabatic lapse rate Ref: all Ans: A According to ISA the temperature in the lower part of the stratosphere: A decreases with altitude B is almost constant C increases with altitude D increases at first and decreases afterward Ref: all Ans: B For both saturated and unsaturated air instability will occur when the A environmental lapse rate is greater than both dry adiabatic lapse rate and saturated adiabatic lapse rate B environmental lapse rate is greater than saturated adiabatic lapse rate but less than dry adiabatic lapse rate C environmental lapse rate is less than both dry adiabatic lapse rate and saturated adiabatic lapse rate D dry adiabatic lapse rate is less than saturated adiabatic lapse rate but greater than environmental lapse rate Ref: all Ans: A In the lower levels of the atmosphere when the environmental lapse rate is greater than saturated adiabatic lapse rate but les than dry adiabatic lapse rate the air mass is described as being A conditionally unstable B stable C unstable D absolutely unstable Ref: all Ans: A The temperature lapse rate of the standard atmosphere in the troposphere is: A 2.

What positions are connected by isobars on the surface weather chart? A Positions with the same air pressure at a given level B Positions with the same temperature at a given level C Positions with the same wind velocity at a given level D Positions with the same relative pressure heights Ref: all Ans: A In the troposphere the decrease of pressure per m increase in height: A is greater at higher levels than at lower levels B remains constant at all levels C is smaller at higher levels than at lower levels D is in the order of 27 hPa near MSL Ref: all Ans: C An isohypse contour : A indicates the altitude of the zero degree isotherm B is the longest slope line of a frontal surface C is the limit between two air masses of different temperature D indicates the true altitude of a pressure level Ref: all Ans: D Which of the following is true concerning atmospheric pressure?

What is approximate vertical interval which is equal to a pressure change of 1 hPa at an altitude of 5,m? The isobars drawn on a surface weather chart represent lines of equal pressure: A at height of observatory B at a determined density altitude C reduced to sea level D at flight level Ref: all Ans: C Between which latitudes are you most likely to find the region of travelling low pressure systems?

Assume that an aircraft is flying in the northern hemisphere at the hPa pressure surface on a heading of degrees. Which of the following statements is correct? A If in this pressure surface the wind comes from the direction degrees, then true altitude is increasing B If in this pressure surface the wind comes from the direction degrees, then true altitude is increasing C If in this pressure surface the wind comes from the direction 20 degrees, then true altitude is increasing D If in this pressure surface the wind comes from the direction degrees, then true altitude is increasing Ref: all Ans: A At altitude, the atmospheric pressure in a column of warm air is likely to be: A lower than at the same height in a column of cold air B higher than at the same height in a column of cold air C the same irrespective of the temperature D depends on the relative humidity Ref: all Ans: B

DALAIL KHAIRAT PDF

ATPL 500 Meteorology Questions

.

MANUAL 01V96 PORTUGUES PDF

What is the benefit?

.

HELL-VOLHARD-ZELINSKY REACTION PDF

Summary: ATPL Meteorology - Resume

.

Related Articles