415 Υour planed route is flying with your single-engine Cessna over the valley shown in Fig. 42 and cross the mountain top. Do you think, it is best for the time being to…………………………………………………..?
O better divert, turbulent conditions will be encountered downwind, since mountain waves exist.
O go for it, since it is CAVOK.
O back-track home, since storm is being developed.
416 (Fig.43). Plan ahead. It is best to………………………………?
O divert.
O go for it, since fair-weather cu, nothing to worry about.
O continue flight, since it will dissipate soon.
O fly closer and inspect possibilities to penetrate.
417 .(Fig.53) .The symbols A and B, appearing on a forecast weather chart respectively means:
O Rain shower and snow shower.
O Thunderstorms and freezing rain.
O Snow shower and rain shower.
O Moderate and severe turbulence.
418 . (Fig.53). The symbols C and D, appearing on a forecast weather chart, respectively means:
O Freezing rain and thunderstorms.
O Nothing of them.
419 (Fig.53). The symbols E and F, appearing on a forecast weather chart, respectively means:
O Tropical storm and hurricane.
O Typhoon and tropical storm.
O Moderate and extreme turbulence.
420 . (Fig.53). The symbols G and H, appearing on a forecast weather chart, respectively means:
O Extreme and moderate turbulence.
O Rain and heavy rain.
421 (Fig.53). The symbols I and J, appearing on a forecast weather chart, respectively means:
O Moderate and severe icing.
O Severe icing and moderate icing.
422 (Fig.53). The symbols K, L and M, appearing on a forecast weather chart, respectively means:
O Rain, snow and drizzle.
O Snow, rain and drizzle.
O Rain, fog and drizzle.
O Drizzle, rain and snow.
423 Complete the statement according to (Fig.50 - 33). "The faster moving cold front(a) catches up to the slower-moving warm front(b) and forces it to rise off the ground. This is the formation of……………………………………….?"
O cold front occlusion.
O warm front occlusion.
O stationary front occlusion
424 . Complete the statement according to (Fig.51-54) "The faster moving cold front in (a), overtakes the slower-moning warm front in(b). The lighter air behind the cold front rises up and over the densier air ahead of the warm front(diagr.C).This is the formation of……………………………………….?"
O warm-type occluded front.
O stationary front occlusion.
425 (Fig.40). Observing the stationary cloud, well over the mountain top, you expect for:
O calm conditions over that height.
O fast-moving air masses to create severe turbulence upwind that cloud.
O rain to come.
O still conditions.
426 (Fig. 41). Lendicular clouds.Choose from the following best describes.
O Mountain waves (Ac)
O Valley clouds (Cu)
O High altitude clouds (Cs)
O Stormy weather clouds (Cb)
427 The Sirocco occurs:
O Ahead of a frontal depression moving east along the coast
O Due to intense heating causing convectional dust storms
O Due to the steep temperature gradient along the N. African coast
O Behind a frontal depression moving east along the coast
428 What is the approximate freezing level over Greece in July?
O 14000 feet.
O 12000 feet.
O 9000 feet.
O 7000 feet
429 Tropical maritime air originating from the Azores that affects Europe is characterised by:
O clear warm weather.
O moist unstable conditions leading to well developed CBs thunderstorms.
O good visibility at low level, with poor visibility in the middle layers.
O moist unstable conditions due to increased moisture content as the air tracks north east over the Atlantic Ocean.
430 Tropical maritime air that affects weather in Europe originates from:
O the Azores.
O the Indian Ocean
O the Mediterranean.
O the north Atlantic.
431 In Europe, away from exposed coasts, airmass thunderstorms are most likely to occur in:
O the afternoon in summer.
O warm spells in winter.
O the evening, with Westerly winds in summer.
O the afternoon in winter
432 What is the approximate freezing level in Scandinavia in January?
O 0 feet
O 2000 feet.
O 3500 feet.
O 1000 feet.
433 Polar continental air in winter is likely to bring what type of weather to Europe?
O Cold weather, clear skies, frost and coastal showers.
O Good weather, or stratus, sea fog and drizzle.
O Convective cloud, showers and thunderstorms
O Snow showers or hail.
434 Tropical maritime air brings to Europe:
O stratus, drizzle and poor visibility.
O stratus, stratocumulus, rain and poor visibility.
O cumulus, stratocumulus, showers and good visibility
O convective clouds and thunderstorms.
435 In summer in Europe, tropical continental air is most likely to produce:
O hot and hazy conditions.
O widespread air mass thunderstorms.
O high altitude cloud, i.e. cirrus.
O hot and wet conditions.
436 The upper winds in Europe are predominately:
O westerlies both in summer and winter
O westerlies in summer and easterlies in winter
O easterlies in summer and westerlies in winter
O easterlies both in summer and winter
438 Syberian anticyclone is :
O A long lasting phenomenon over C.Eastern Europe, triggering radically the character of greek winter.
O A typical weather of central Syberia.
O Local wind of Archangellsk, in Northern Rusia.
O Last face of winter.
439 Every physical process of weather is accompanied by or is the result of
O a heat exchange.
O instability .
O a pressure differential.
O vapour condensation
440 In the Northern Hemisphere, the wind is deflected to the
O right by Coriolis force.
O right by surface friction.
O left by pressure gradient force.
O left by centrifugal force
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