A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights（）.
1、A fire pump may be used for other purp
A fire pump may be used for other purposes if（）.Athe other services are run off a reducing station with a pressure gageBone of the required...
2、One of the signals，other than a distre
One of the signals，other than a distress signal，that can be used by a vessel to attract attention is a(n)（）.Ared star shellBsearchlightCburning barrelDorange smoke signal
3、Which vessel may show three lights in
Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white? （）AA vessel engaged in diving operationsBA pilot vesselCA vessel trawlingDAll of the above
4、One of the signals，other than a distre
One of the signals，other than a distress signal，that can be used by a rescue boat to attract attention is a/an（）.Ared star shellBsearchlightCburning barrelDorange smoke signal
5、On a vessel making a voyage more than
On a vessel making a voyage more than 48 hours long，regulations require that（）.Aa lifeboat drill be held within 12 hours prior to departureB...
6、A vessel showing a yellow light over a
A vessel showing a yellow light over a white light at night is a vessel（）.Aengaged in pilotingBtowing asternCengaged in fishingDin distre