5842898
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
364 The point at which a parcel of air becomes saturated is known as the:
Answer
-
O dew point
-
O condensation temperature
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O saturation temperature
-
O latent temperature
Question 2
Question
365 In the cumulus building stage of a thunderstorm, there are:
Answer
-
O updrafts mainly.
-
O downdrafts only.
-
O updrafts and downdrafts equally distributed.
-
O none of those.
Question 3
Question
366 You depart from MIKONOS(LGMK), situated 400 feet above mean sea level (AMSL)), with a QNH of 988 hpa set on the altimeter subscale. The flight is conducted towards an area of high pressure, and you inadvertently fail to reset the setting on the subscale. What will the altimeter read when the aircraft lands at KASTELI-MIL(LGTL), which has the elevation of approx.1200 feet AMSL, if the QNH there is 1015 hpa?
Answer
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O 390 feet.
-
O 810 feet. .
-
O 2100 feet.
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O 2010 feet
Question 4
Question
367 The environmental lapse rate is observed to be 2.5°C/1000 feet. Which of the
following statements is correct?
Answer
-
O A dry parcel of air would be stable, if it was forced to rise.
-
O A dry parcel of air would be unstable, if it was forced to rise.
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O A saturated parcel of air would be stable, if it was forced to rise.
-
O none of those.
Question 5
Question
368 Moist air is:
Answer
-
O less dense than dry air.
-
O warmer than dry air.
-
O denser than dry air.
-
O colder than dry air
Question 6
Question
369 A V-shaped extension of a low pressure area is known as a:
Answer
-
O trough.
-
O col.
-
O ridge.
-
O anticyclone
Question 7
Question
370 Air associated with high pressure is:
Answer
-
O subsiding.
-
O ascending.
-
O stagnant.
-
O cold
Question 8
Question
371 Which of the following never appear in a TAF?
Answer
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O QNH and temperature.
-
O Visibility
-
O QNH.
-
O Temperature
Question 9
Question
372 A warm occlusion forms when
Answer
-
O cold air is forcing warm air to rise over colder air,
-
O colder air is forcing warm air to rise over warm air.
-
O warm air is forcing warm air to rise over colder air.
-
O none of those.
Question 10
Question
373 A sea breeze blows:
Answer
-
O from the sea by day.
-
O from the sea by night.
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O from the land by day.
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O from the land by night
Question 11
Question
374 Cloud bases in TAFs and METARs are given in heights:
Answer
-
O above official aerodrome level.
-
O above the 1013.25 hpa level.
-
O above mean sea level (AMSL).
-
O none of those
Question 12
Question
375 As a warm front approaches, the cloud base:
Answer
-
O lowers.
-
O rises.
-
O remains constant.
-
O depents on the temperature
Question 13
Question
376 If radiation fog forms on a clear night with light winds, an increase in wind strength from 5 knots to 10 knots:
Answer
-
O may cause the fog to lift and become low stratus.
-
O will change radiation fog to advection fog.
-
O will have no effect.
-
O will dissipate fog
Question 14
Question
377 When water changes to ice:
Answer
-
O latent heat is released.
-
O latent heat is absorbed.
-
O specific heat is absorbed.
-
O Specific heat is released
Question 15
Question
378 What are the conditions generally associated with anticyclones?
Answer
-
O Moderate or poor visibility and no convective cloud of any extent.
-
O Fair weather cumulus and light winds.
-
O Stratus and drizzle and advection fog.
-
O Convective clouds and light rain
Question 16
Question
379 If the pressure gradient force is balanced by the Coriolis force, so that the wind blows parallel to the isobars, then this wind is known as the:
Answer
-
O geostrophic wind.
-
O gradient wind.
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O geoisobaric wind.
-
O katabatic wind
Question 17
Question
380 If the pilot of a light aircraft sees a thunderstorm 10 nm ahead and assesses it to be in the mature stage, he/she:
Answer
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O should alter heading and navigate around the storm.
-
O has enough visibility and terrain clearance to fly beneath the storm.
-
O still has enough time to climb above the storm.
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O should land immediately
Question 18
Question
381 What type of pressure pattern can be described as an area in which along it is
axis the pressure is higher than on either side?
Answer
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O A ridge.
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O A trough.
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O A col.
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O none of those
Question 19
Question
382 Of the following potential surfaces, which has the highest specific heat capacity?
Answer
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O Water.
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O Desert.
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O Forest.
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O Plowed Field
Question 20
Question
383 What force prevents air travelling directly from high to low pressure areas?
Answer
-
O The Coriolis force.
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O Surface friction.
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O The pressure gradient force.
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O Centrifugal force
Question 21
Question
384 Which of the following cloud sequences most appropriately represents the approach of a warm front?
Answer
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O Cirrus, cirrostratus, altostratus, nimbostratus, stratus.
-
O Cirrocumulus, altocumulus, nimbostratus, stratus.
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O Altostratus, cirrus, cirrostratus, stratus, nimbostratus.
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O Altocumulus, nimbostratus, stratocumulus
Question 22
Question
385 What is the general circulation pattern of air in the northern hemisphere of an anticyclone?
Answer
-
O Outward, downward and clockwise.
-
O Inward, downward and anticlockwise.
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O Outward, upward and anticlockwise.
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O Inward, upward and anticlockwise
Question 23
Question
386 What determines the structure or cloud types which will form as a result of air that is forced to ascend?
Answer
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O The stability of the air before lifting occurs.
-
O The method by which the air is lifted.
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O The relative humidity of the air after lifting occurs.
-
O The temperature of the air
Question 24
Question
387 Which is true regarding high- or low-pressure systems?
Answer
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O A low-pressure area or trough is an area of rising air.
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O A high-pressure area or ridge is an area of rising air.
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O Both high- and low-pressure areas are characterized by descending air.
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O A high-pressure area or ridge is an area of cold air
Question 25
Question
388 The Lapse Rate in the ISA troposphere is:
Answer
-
O 6.5°C/ 1000 meters
-
O 2°C/1000 meters
-
O 5.6°C/1000 feet
-
O 6.5°C/1000 feet
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