默认题库 - 航海气象基本知识

单选题

Advection fog is most commonly caused by（）.

A. air being warmed above the dew point
B. saturation of cold air by rain
C. a rapid cooling of the air near the surface of the Earth at night
D. warm moist air being blown over a colder surface

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单选题

Advection fog holds longest over which portions of the lakes? （）

A. Northwest
B. Southeast
C. Northeast
D. Southwest

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单选题

A series of brief showers accompanied by strong，shifting winds may occur along or some distance ahead of a(n)（）.

A. upper front aloft
B. cyclone
C. occluded front
D. cold front

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单选题

A frontal thunderstorm is caused by（）.

A. pronounced local heating
B. wind being pushed up a mountain
C. a warm air mass rising over a cold air mass
D. an increased lapse rate caused by advection of warm surface air

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单选题

A cyclone in its final stage of development is called a(n)（）.

A. tornado
B. anticyclone
C. occluded cyclone or occluded front
D. polar cyclone

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单选题

A cloud of marked vertical development (often anvil-shaped) would be classified as（）.

A. cirrus
B. cirrocumulus
C. altocumulus
D. cumulonimbu

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单选题

The navigable semicircle of a tropical storm in the South Indian Ocean is located on which side of the storm’s track? （）

A. Rear
B. Front
C. Left
D. Right

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单选题

MODERATE WAVES，TAKING A MORE PRONOUNCED LONG FORM；MANY WHITE HORSES ARE FORMED.THIS sea condition is likely to be termed（）.

A. moderate breeze
B. fresh breeze
C. strong breeze
D. near gale

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单选题

In the Northern Hemisphere，what type of cloud formations would you expect to see to the west of an approaching tropical wave?（）.

A. Cumulus clouds lined up in rows extending in a northeast to southwest direction
B. High altostratus clouds in the morning hours
Cirrostratus clouds lined up in rows extending in a northeast to southwest direction
D. Cirrostratus clouds lined up in rows extending in a north to south directio

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单选题

The inner cloud bands of a hurricane，when viewed from a distance，form a mass of dense，black cumulonimbus clouds called the（）.

A. bar of the storm
B. eye of the storm
C. funnel
D. front

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