A 200-meter vessel is aground in fog. Which signal is optional? （）

A . hold your course and speed B . sound the danger signal C . begin an exchange of passing signals D . do not cross the channel if you might impede the other vessel

A . she can be observed by radar B . she can be observed visually from the other vessel C . she can be plotted on radar well enough to determine her heading D . her fog signal can be heard

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

A . It has a small GM B . It pitches heavily C . It has an unusually high center of gravity D . Its period of roll is short

A . has no more than two compartments B . has two compartments in addition to the engine room C . will sink if any two compartments are flooded D . will float if any two adjacent compartments are flooded

A . engaged in piloting B . towing astern C . engaged in fishing D . in distre

A . The vessel moving upstream against the current B . The vessel moving downstream with a following current C . The vessel located more towards the channel centerline D . The vessel with the least amount of maneuverability

A . turning maneuver B . course setting C . position fixing D . regulating speed

A . required to give way in a crossing situation B . required to sound the first passing signal in a meeting situation C . free to maneuver in any crossing or meeting situation as it has the right-of-way D . required to maintain course and speed in a crossing situation but may take action to avoid collisio

A . down by the head B . down by the stern C . inclined due to off-center weight D . inclined due to wind

A . Only the stern light of the vessel B . One sidelight and a masthead light of the vessel C . Only a sidelight of the vessel D . The masthead lights of the vessel

A . Stern B . Bow C . Centerboard D . Mast

A . hawser which is used to pass a tail-block and whip to the vessel B . hawser with breeches buoy and harness attached C . hawser which should be made fast to the vessel below the intended location of the tail-block D . tail-block and whip which may be used to pass a hawser to the vessel

A . reading the gage pressure B . weighing the extinguisher C . discharging a small amount of CO D . seeing if the seal has been broke

A . KM is small B . KM is high C . BL is smal D . l D.KB is large

A . broaching B . pitchpoling C . rolling D . yawing

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 minute

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

A . The power-driven vessel must keep out of the way of the sailing vessel B . A special circumstance situation exists C . The sailing vessel must keep out of the way of the power- driven vessel D . The vessel which has the other vessel to the right must keep out of the way

A . abeam B . dead astern C . just aft of the bow D . on either side of the ster

A . stand-on vessel and would sound two short blasts B . give-way vessel and would sound no whistle signal C . stand-on vessel and would sound no whistle signal D . give-way vessel and would sound two prolonged blasts followed by two short blast

A . it is overtaken by the tow B . it is pulled sideways by the tow C . the weight of the towing hawser causes loss of maneuverability D . the propeller is fouled by the towing hawser