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
您可能感興趣的試卷
你可能感興趣的試題
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
A.A bell signal
B.A gong signal
C.A whistle signal
D.All of the above
A.underway but not making way
B.making way，not under command
C.not under command，not making way
D.trolling underway
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
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
最新試題
The duration of a prolonged blast of the whistle is（）.
The International Regulations for Preventing Collisions at Sea contain the requirements for （）.
A vessel towing where the tow prevents her from changing course shall carry（）.
On entering from seaward，a starboard side daymark will（）.
Approaching an anchorage in fog，you hear one short，one prolonged，and one short blast in that sequence on a ship’s whistle． This indicates（）.
A triangular daymark would be colored（）.
A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show （）.
During the day，a vessel with a tow over 200 meters in length will show（）.
A tug is towing three manned barges in line in fog. The first vessel of the tow should sound （）.
All fog signals shall be sounded every two minutes with the exception of a vessel（）.