In most cases，the direction of the apparent wind lies betwee

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

A vessel is equipped with a single right-handed screw.With rudder amidships and calm wind, the vessel will most likely back ______.

A.straight astern

B.to port

C.to starboard

D.in no particular direction

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

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

An anemometer on a moving vessel measures ______.

A.apparent wind speed only

B.true wind speed and true wind direction

C.true wind speed only

D.apparent wind speed and true wind direction

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

A wind vane on a moving vessel shows ______.

A.dead reckoning wind direction

B.true wind direction

C.apparent wind direction

D.estimated wind direction

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

Apparent wind speed blowing across a vessel under tow can be measured by a(n)______．

A.barometer

B.wind vane

C.anemometer

D.Thermometer