When a wind is permanently changing the direction from which

题目
单选题
When a wind is permanently changing the direction from which it blows, it is().
A

variable

B

changing

C

backing

D

veering

参考答案和解析
正确答案: A
解析: 暂无解析
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相似问题和答案

第1题:

Set of current is ________ .

A.its velocity in knots

B.direction from which it flows

C.estimated current

D.direction toward which it flows


正确答案:D

第2题:

When recording the wind direction in the weather log,you would report the ______.

A.direction the wind is blowing toward

B.direction the wind is blowing from

C.duration of the maximum gust of wind

D.wind chill factor


正确答案:B

第3题:

SHIFT OF WIND DIRECTION IN AN ANTICLOCKWISE MANNER, FOR EXAMPLE FROM NORTH TO WEST ( OPPOSITE OF VEERING ) defines ______.

A.Backing (of wind)

B.Veering (of wind)

C.Shifting of wind

D.altering of wind


正确答案:A
风使逆时针旋转的,例如北到西,定义为反转。

第4题:

In the Northern Hemisphere a wind is said to veer when the wind ______.

A.changes direction clockwise, as from north to east, etc

B.changes direction counterclockwise, as from south to east, etc

C.changes direction violently and erratically

D.remains constant in direction and speed


正确答案:A
在北半球大风的风向会顺时针旋转,例如北到东。

第5题:

The velocity of the apparent wind can be more than the true wind,and come from the same direction,if certain conditions are present.One condition is that the ______.

A.Ship's speed must be less than the true wind velocity

B.True wind must be from dead astern

C.True wind velocity must be faster than the ship's speed

D.True wind must be from dead ahead


正确答案:D

第6题:

The best estimate of the wind direction at sea level can be obtained from observing the direction of the ______.

A.cloud movement

B.vessel heading

C.waves

D.swells


正确答案:C

第7题:

When a high pressure system is centered north of your vessel in the Northern Hemisphere ______.

A.You should experience hot,moist,clear weather

B.The wind direction is generally easterly

C.The winds should be from the southwest at your location

D.The winds should be brisk


正确答案:B

第8题:

The navigational term Set of current means ______.

A.velocity of current in knots

B.direction from which the current flows

C.estimated current

D.direction toward which the current flows


正确答案:D
航海中术语流向的意思是流水流去的方向。

第9题:

Changing direction by bringing the stern of the vessel through the eye of the wind is known as _______.

A.jibing

B.running before the wind

C.Reefing

D.tacking


正确答案:A
通过改变船尾受风向经过风眼被称为。

第10题:

In the southern hemisphere the wind flow associated with a low pressure system will have which of the following characteristic?________.

A.the wind velocity is least near the center of the system

B.th e direction of the flow is counterclockwise

C.both A and B

D.neither A nor B


正确答案:D
在南半球,与一个低压系统有联系的风向将具有以下的特性?即不是A也不是B。

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