Two vessels are abreast of each other and passing port to port in a confined waterway. What should you expect as your bow approaches the screws of the other vessel? （）
1、Each crank is made up of two crank web
Each crank is made up of two crank webs joined by a common（） to which the bottom endbearing is fitted.AthrowBcrankshaftCcrankpinDcrosshead
2、There are two classes of vessels which
There are two classes of vessels which，to the extent necessary to carry out their work，do not have to comply with the rule regarding traffic...
3、If two sailing vessels are running fre
If two sailing vessels are running free with the wind on the same side, which one must keep clear of the other?（）.AThe one with the wind closest abeamBThe one to windwardCThe one to leewardDThe one that sounds the first whistle signal
4、When two power-driven vessels are meet
When two power-driven vessels are meeting head-on and there is a risk of collision,each shall（）.Astop her enginesBalter course to starboardCsound the danger signalDback dow
5、When two vessels are in immediate dang
When two vessels are in immediate danger of collision，the stand-on vessel must（）.Aabandon shipBassist in taking whatever action is necessary to avoid collisionChold course and speedDsound a distress signal
6、When two power-driven vessels are meet
When two power-driven vessels are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision，they shall be deemed to be in（）.Acrossing situationBhead-on situationCrestricted visibilityDovertaking situatio