更多"Clouds are classified according to "的相关试题:
[单项选择]DC generators are classified according to the manner in which（）
A. they are used
B. the field windings are connected to the load
C. the armature circuit is connected to the load
D. the field windings are connected to the armature circuit
[单项选择]In many areas atoll clouds (clouds of vertical development) are produced over small islands. These are the result of（）.
A. rising air currents produced by the warm islands
B. warm air from the sea rising over higher land areas
C. cool land air mixing with warm sea air
D. descending air over the islands
[单项选择]In many areas “atoll” clouds (clouds of vertical development) are produced over small islands. These are the result of（）.
A. rising air currents produced by the warm islands
B. warm air from the sea rising over higher land areas
C. cool land air mixing with warm sea air
D. descending air over the islands
[单项选择]Clouds form（）.
A. as a mass of warm，humid air rises into the atmosphere and cools，condensing moisture into small droplets
B. as winds blow across bodies of water，the sun causes the moisture to be absorbed and move upward forming clouds
C. dry air compresses moisture from the atmosphere into clouds
D. when the relative humidity of the atmosphere is low
[单项选择]Fires involving combustible metals are classified as （）.
A. class "A" fires
B. class "B" fires
C. class "C" fires
D. class "D" fires
[单项选择]The dense black cumulonimbus clouds surrounding the eye of a hurricane are called（）.
A. Spiral rainbands
B. Cloud walls
C. Funnel clouds
D. Cyclonic spirals
[单项选择]Cumulus clouds that have undergone vertical development and have become cumulonimbus in form，indicate（）.
A. clearing weather
B. that a warm front has passed
C. probable thunderstorm activity
D. an approaching hurricane or typhoon
[单项选择]Cumulonimbus clouds can produce（）.
A. dense fog and high humidity
B. gusty winds，thunder，rain or hail，and lightning
C. clear skies with the approach of a cold front
D. a rapid drop in barometric pressure followed by darkness
[单项选择]Cirrus clouds followed by cirrostratus then altostratus，stratus，and occasionally nimbostratus indicate the approach of a(n)（）.
A. cold front
B. warm front
C. tropical front
D. occluded front
[单项选择]Cumulonimbus clouds are formed by（）.
A. vertical air movements
B. heavy rainstorms
C. horizontal air movements
D. any movement of moist air
[单项选择]Cumulonimbus clouds are most likely to accompany a(n)（）.
A. high pressure system
B. cold front
C. warm front
D. occluded front
[单项选择]Altocumulus clouds are defined as（）.
A. high clouds
B. middle clouds
C. low clouds
D. vertical development clouds
[单项选择]Tropical cyclones are classified by form and intensity.Which system does not have closed isobars（）.
A. Hurricane
B. Tropical disturbance
C. Tropical depression
D. Cyclone
[单项选择]Argon is classified as a（）.
A. corrosive
B. flammable gas
C. flammable liquid
D. nonflammable gas
[单项选择]Vessel propellers are classified as being right hand or left handA right hand propeller turns clockwise when viewed from（）.
A. the bow
B. the stem
C. the port side
D. the starboard side
[单项选择]Auxiliary boilers can be classified as（）
A. water-tube natural circulation boilers
B. fire-tube boilers
C. water-tube forced circulation boilers
D. all of the above
