The Beaufort scale is used to estimate the（）.

A、Wind direction

B、Percentage of cloud cover

C、Wind speed

D、Barometric pressure

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更多“The Beaufort scale is used to estimate the（）.”相关的问题

第1题

[单选题] The numeral in the center of a wind rose circle on a pilot chart indicates the （）.

A、total number of observations B、average wind force on the Beaufort scale C、average wind force in knots D、percentage of calms

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第2题

[单选题] In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as（）.

A、Moderate gale B、Near gale C、Strong gale D、Whole gale

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第3题

[单选题] When force of winds reaches 10-11 in Beaufort scale，we usually call such wind（）.

A、Gale B、Storm C、Hurricane D、Typhoon

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第4题

[] Distance along a track line is measured on a Mercator chart by using the （）.

A、A.latitude scale near the middle of the track line B、B.longitude scale near the middle of the track line C、C.latitude scale at the midlatitude of the chart D、D.latitude or longitude scale at the middle of the scale