A vessel transferring provisions while underway
A pushing vessel and a vessel being pushed when connected in a composite unit
A vessel servicing a navigation mark
A vessel launching aircraft
单选题A power-driven vessel underway shall keep out of the way of（）.A a vessel restricted in her ability to maneuverB a vessel under commandC a passenger shipD a seaplane on the water
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单选题Which statement is TRUE concerning a towing vessel which，due to the nature of her work，is unable to keep out of the way of another vessel?（）A By day，she shall carry a black cylinder shapeB By day，she shall carry two black balls in a vertical lineC By night，she would show the same lights as a vessel not under commandD By day，she would show the same shapes as a vessel restricted in her ability to maneuver
单选题Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.A The vessel which has the other on her own starboard sideB The vessel which has the other on her own port sideC The one which hears the other's fog signal firstD Neither vessel is the stand-on vessel
单选题A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit（）.A the masthead lights for a towing vesselB the lights for a vessel restricted in its ability to maneuverC sidelights，stern light and towing lightD All of the above
单选题A vessel restricted in her ability to maneuver is one which（）.A through some exceptional circumstance is unable to maneuver as required by the RulesB from the nature of her work is unable to maneuver as required by the RulesC due to adverse weather conditions is unable to maneuver as required by the RulesD has lost steering and is unable to maneuver
单选题Which vessel is NOT classified as “restricted in her ability to maneuver” （）.A A vessel picking up a navigation markB A vessel transferring cargo while underwayC A vessel whose anchor is fouledD A vessel in a towing operation that restricts the ability of the vessel and her tow to change their course
单选题（）is not a vessel restricted in her ability to maneuver．A A vessel engaged in laying，servicing or picking up a navigation mark，submarine cable or pipelineB A vessel engaged in dredging，surveying or underwater operationsC A vessel engaged in replenishment or transferring persons，provisions or cargo while underwayD A power driven vessel which because of her draught in relation to the available depth and width of navigation water is severely restricted in her ability to deviate from the course she is following
