______of the following conditions will cause a vessel’s bottom to be subjected to tension stresses.
A.Concentration of weight aft
B.Concentration of weight forward
C.Concentration of weight amidships
D.Concentration of weight at both ends of the vessel
第1题：
______ is the most common cause of ice formation．
A.The freezing of raindrops on contact with the vessel's structure
B.Drastic fall in ambient temperature
C.The deposit of water droplets on the vessel's structure
D.Snowfall
第2题：
Portions of his vessel's cargo were illegally impounded
Longshore labor went on strike in a port causing undue vessel delay
Cargo was received at ship side which was damaged in land transit
The vessel encountered heavy weather which might have caused bottom damage
第3题：
A Master would be well advised to file a note of protest if ______.
A.Portions of his vessel’s cargo were illegally impounded
B.Longshore labor went on strike in a port causing undue vessel delay
C.Cargo was received at ship side which was damaged in land transit
D.The vessel encountered heavy weather which might have caused bottom damage
第4题：
The bottom samples and fathometer reading prove the loran fix is reliable
The bottom samples and fathometer readings indicate that the loran fix is unreliable
The information collected indicates that the fathometer may be in error
The information collected indicates that the chart is most likely in error
第5题：
ballast deep tanks if they are slack
transfer ballast athwarships
pump out double bottoms
fill double bottom from deep tanks
第6题：
A vessel’s bottom will be subjected to tension when weight is concentrated ______.
A.amidships
B.aft
C.at both ends of the vessel
D.Forward
第7题：
Concentration of weight aft
Concentration of weight forward
Concentration of weight amidships
Concentration of weight at both ends of the vessel
第8题：
A “loose” tow may cause all of the following EXCEPT ______．
A.loss of maneuverability
B.lines to part
C.damage to the towing vessel and tow
D.a saving in the transit time
第9题：
Three vessels meeting so as to cross each other's course
A vessel meeting a vessel that is backing out of a slip
An overtaking situation that has reached in extremis
A vessel fishing with nets meeting a sailing vessel
第10题：
all mooring lines have a different tension
the leeward lines have higher tension than the windward lines
the maximum tension of the most heavily loaded line does not exceed the safe working load
all horizontal tension forces on the windward lines are no greater than the vertical tension forces