更多"A steep barometric gradient indicat"的相关试题:
[单项选择]A steep barometric gradient indicates （）.
A. calms
B. light winds
C. strong winds
D. precipitation
[单项选择]When observing a rapid rise in barometric pressure，you may expect（）.
A. Clear weather with no wind，but the possibility of rain or snow within 24 hours
B. Deteriorating weather with rain or snow
C. Heavy rain or severe thundershowers
D. Clearing weather，possibly accompanied by high winds
[单项选择]A decrease in barometric pressure is associated with all of the following except（）.
A. rising warm air
B. proximity to a low pressure area
C. inward spiraling circulation
D. clear dry weather
[单项选择]After a cold front passes the barometric pressure usually（）.
A. fluctuates
B. remains the same
C. remains the same，with clouds forming rapidly
D. rises，often quite rapidly，with clearing skies
[单项选择]Little or no change in the barometric reading over a twelve hour period indicates（）.
A. stormy weather is imminent
B. that present weather conditions will continue
C. a defect in the barometer
D. increasing wind strength
[单项选择]A slow rise in the barometric pressure forecasts（）.
A. rainy weather for the next 48 hours
B. high seas
C. improving weather conditions
D. deteriorating weather conditions
[单项选择]A single barometric pressure reading of 28.60 indicates（）.
A. rapidly improving weather
B. deteriorating weather
C. a severe low pressure system
D. fair weather and calm
[单项选择]On the approach of a warm front the barometric pressure usually（）.
A. falls
B. rises
C. is steady
D. is unreliable
[单项选择]（）indicates unstable weather.
A. The persence of cirrus clouds
B. The low-hanging stratus clouds
C. The altocumulus clouds
D. The massive cumulus clouds
[单项选择]Pressure gradient is a measure of（）.
A. a high-pressure area
B. pressure difference over horizontal distance
C. pressure difference over time
D. vertical pressure variation
[单项选择]The radiotelephone message that indicates a station is about to transmit a message concerning the safety of navigation or important meteorological warnings commences with（）.
A. TTT
B. The spoken word PAN
C. The spoken word SECURITE
D. XXX
[单项选择]Which radiotelephone signal indicates receipt of a distress message?（）
A. Roger wilco
B. Romeo，romeo，romeo
C. SOS acknowledged
D. Mayday roger
[单项选择]Your facsimile prognostic chart indicates that you will cross the cold front of a low pressure system in about 24 hours.You should（）.
A. Expect to see cirrus clouds followed by altostratus and nimbostratus clouds
B. Alter course to remain in the navigable semicircle
C. Prepare for gusty winds，thunderstorms，and a sudden wind shift
D. Expect clear weather，with steady winds and pressure，until the front passes
[单项选择]Which display indicates a vessel conducting mineclearance operations（）.
A. Three balls in a vertical line
B. Two balls in a vertical line
C. One ball near the foremast and one ball at each yardarm
D. One diamond near the foremast and one ball at each yardarm
[单项选择]A barometer showing falling pressure indicates the approach of a（）.
A. high pressure system
B. low pressure system
C. high dew point
D. low dew point
[单项选择]The Tonnage Certificate indicates （）.
A. deadweight tons
B. displacement tons
C. net tons and gross tons
D. volume tons
