更多"Apparent wind speed blowing across "的相关试题:
[单项选择]Apparent wind speed blowing across a ship under tow can be measured by a(n)（）.
A. barometer
B. wind vane
C. anemometer
D. thermometer
[单项选择]A fishing vessel is approaching a vessel not under command. Which statement is TRUE? （）
A. The fishing vessel must keep clear of the vessel not under command
B. If the vessel not under command is a power-driven vessel，she must keep clear of the fishing vessel
C. They must exchange whistle signals
D. Both vessels are required to take action to stay clear of each other
[单项选择]A vessel not under command shall display（）.
A. two red lights at night and two black balls during daylight
B. two red lights at night and three black balls during daylight
C. three red lights at night and two black balls during daylight
D. three red lights at night and three black balls during daylight
[单项选择]A vessel not under command making way at night would show（）.
A. two all-round red lights in a vertical line
B. anchor lights and sidelights
C. two all-round white lights in a vertical line，sidelights and a stern light
D. two all-round red lights in a vertical line，sidelights，and a stern light
[单项选择]A vessel not under command sounds the same fog signal as a vessel（）.
A. towing
B. constrained by her draft
C. under sail
D. All of the above
[单项选择]A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.
A. Way point
B. Receiving point
C. Reporting point
D. Closest Point
[单项选择]A power-driven vessel not under command at night must show her sidelights when（）.
A. making headway
B. making no headway
C. moored to a buoy
D. at anchor
[单项选择]When anchoring a vessel under normal conditions，which scope of chain is recommended? （）
A. Four times the depth of water
B. Two and one-half times the depth of water
C. Five to seven times the depth of water
D. Fifteen times the depth of water
[单项选择]Generally，you can best keep a vessel under steering control when the vessel has（）.
A. Headway
B. Sternway
C. No way on，with engines stopped
D. No way on，with engines full ahead
[单项选择]A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the（）.
A. vessel's horsepower
B. sea state
C. number of propellers
D. vessel's displacement
[单项选择]If a vessel under tow starts jumping on its tow line，the most appropriate action to alleviate the condition is to（）.
A. change course
B. slow down
C. heave to
D. adjust tow line length
[单项选择]A vessel is wind rode when it is（）.
A. at anchor and heading into the wind
B. backing into the wind
C. carrying lee rudder
D. necessary to apply a leeway correction to the course
[单项选择]You are docking a vessel．Wind and current are most favorable when they are（）.
A. crossing your course in the same direction
B. crossing your course in opposite directions
C. parallel to the pier from ahead
D. setting you on the pier
[单项选择]For a vessel inclined by the wind，multiplying the buoyant force by the horizontal distance between the lines of action of the buoyant and gravity forces gives the（）.
A. righting moment
B. vertical moment
C. longitudinal moment
D. transverse moment
[单项选择]A vessel has a strong wind on the port beam. This has the same affect on stability as（）.
A. weight that is off-center to starboard
B. increasing the draft
C. reducing the freeboard
D. increasing the trim
