單項(xiàng)選擇題A 95-meter vessel aground sounds which fog signal? （）

A.A rapid ringing of a bell for 5 seconds every two minutes
B.A whistle signal of one short，one prolonged，and one short blast
C.A prolonged blast of the whistle at intervals not to exceed one minute
D.A rapid ringing of a bell for 5 seconds，preceded and followed by three separate and distinct strokes on the bell


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1.單項(xiàng)選擇題A 200-meter vessel restricted in her ability to maneuver，at anchor，will sound a fog signal of（）.

A.a 5 second ringing of a bell forward and a 5 second sounding of a gong aft at intervals of 1 minute
B.one prolonged followed by two short blasts every 2 minutes
C.one prolonged followed by three short blasts every minute
D.one prolonged followed by three short blasts every 2 minutes

2.單項(xiàng)選擇題A 200-meter vessel is aground in fog. Which signal is optional? （）

A.A bell signal
B.A gong signal
C.A whistle signal
D.All of the above

3.單項(xiàng)選擇題A vessel will NOT show sidelights when（）.

A.underway but not making way
B.making way，not under command
C.not under command，not making way
D.trolling underway

4.單項(xiàng)選擇題Two short blasts of the whistle have all of the following meanings EXCEPT（）.

A.I intend to meet you starboard to starboard
B.I do not intend to hold course and speed
C.I intend to overtake you on your port side
D.I intend to alter my course to port

5.單項(xiàng)選擇題Which vessel，when anchored at night，is NOT required to show anchor lights?（）.

A.A power-driven vessel
B.A vessel engaged on pilotage duty
C.A vessel dredging
D.A vessel restricted in her ability to maneuver