A.is more flexible and has the ability to absorb shock because of its weight
B.is less subject to wear and damage from abrasion
C.requires little maintenance
D.All of the above
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A.a rotation
B.a revolution
C.space motion
D.nutation
A.greater than the declination and both are of the same name
B.less than the declination and both are of the same name
C.greater than the declination and both are of contrary name
D.less than the declination and both are of contrary name
A.Under any condition
B.If the grounding lasts over 24 hours
C.If it creates a hazard to the environment
D.At the owner's discretion
A.bifurcation
B.fish net area
C.anchorage area
D.dredging area
A.blocks have been overhauled
B.hauling parts of two tackles are attached
C.hauling part leads through the movable block
D.hauling part leads through the standing block
最新試題
A block and tackle is “rove to advantage”. This means that the（）.
A “reaching” course is one in which the wind（）.
A crew member has suffered frostbite to the toes of the right foot. Which is NOT an acceptable first aid measure?（）
A crew member is having an epileptic convulsion. You should（）.
A celestial body will cross the prime vertical circle when the latitude is numerically（）.
A vessel’s quarter is that section which is（）.
A chain bridle is used when towing astern because it（）.
A “fifteen-pound” CO2 extinguisher is so called because（）.
A backlash below a lock is defined as a（）.
A “check” line is（）.