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单选题
When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?（）
A
The propeller hub taper and shaft keyway should be inspected for cracks or corrosion
B
The stern bearing alignment with the stern frame should be checked
C
The interior of the stern tube should be inspected for leaks
D
The shaft liner should be removed and inspected
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更多 “单选题When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?（）A The propeller hub taper and shaft keyway should be inspected for cracks or corrosionB The stern bearing alignment with the stern frame should be checkedC The interior of the stern tube should be inspected for leaksD The shaft liner should be removed and inspected” 相关考题
考题
When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?A.The propeller hub taper and shaft keyway should be inspected for cracks or corrosionB.The stern bearing alignment with the stern frame should be checkedC.The interior of the stern tube should be inspected for leaksD.The shaft liner should be removed and inspected for cracks
考题
The term of Landfall means ________ ．A.Land first sighted when vessel approaching from seawardB.Land last sighted when vessel leaving from a portC.in sight of one another when vessel underwayD.in sight of an island during a ship on her voyage
考题
A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started?A.When the towing vessel enters the fogB.When the drilling rig enters the fogC.When the towing vessel can no longer be seen from the rigD.Immediately
考题
A predictable result of a vessel nearing a bank or edge of a channel is that the ______.A.stern is drawn to the bank as the bow sheers offB.bow sheers toward the bankC.vessel continues in a straight line，but with greatly reduced maneuverabilityD.vessel will be drawn bodily into the bank unless the engines are stopped
考题
The path that a vessel is expected to follow，represented on a chart by a line drawn from the point of departure to the point of arrival，is the ______.A.DR plotB.track lineC.headingD.estimated course
考题
When is the density of the water required to be logged in the logbook of a ship?A.Any time the vessel moves from water of one density into waters of a different densityB.Prior to getting underway when the vessel is floating in fresh or brackish waterC.Only when the vessel moves from fresh water into salt waterD.The density of the water is not required to be logged in the unofficial logbook
考题
A seaman is entitled by law to a release from Foreign Articles when ______.A.intoxicatedB.deductions are made from wagesC.injuredD.the vessel is overloaded
考题
The lines led forward from the bow and aft from the stern when a vessel is moored to the dock are ______.A.bow and stern linesB.breast linesC.halyardsD.warps
考题
When backing down with sternway，the pivot point of a vessel is ______.A.about one-quarter of the vessel's length from the sternB.at the bowC.about one-third of the vessel's length from the bowD.aft of the propellers
考题
All electrical appliances aboard a vessel should be grounded to ______.A.prevent them from falling when the vessel rollsB.protect personnel from electrical shockC.increase their operating efficiencyD.prevent unauthorized personnel from operating them
考题
单选题When towing astern，increased catenary will（）.A
increase control of the towB
prevent the towing vessel from going in ironsC
make the towing vessel less maneuverableD
reduce shock stress on the towing hawser
考题
单选题Under the Carriage of Goods by Sea Act of 1936，a vessel will be liable for damage to a cargo when the damage arises from（）.A
Unseaworthiness when sailingB
Insufficient packingC
Quarantine delaysD
Mismanagement of the vessel
考题
单选题Which statement about stopping a vessel is TRUE?（）A
A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from asternB
A vessel is dead in the water when the back wash from astern operation reaches the bowC
A tunnel bow thruster can be used in an emergency to reduce the stopping distanceD
When a vessel is dead in the water any speed displayed by doppler log reflects the current
考题
单选题A vessel is in sight of another vessel when she（）.A
can be observed by radarB
has determined that risk of collision existsC
is sounding a fog signal which can be heard on the other vesselD
can be observed visually from the other vessel
考题
单选题A vessel has been equipped with an oil lubricated stern bearing and is undergoing a routine dry-dock.Which of the following inspection should be made when the tail-shaft has been drawn?（）A
The overall condition of the bearing surface should be examinedB
The shaft liner should be inspected for cracks and tested to insure a tight fitC
The stern tube should be tested for cracks with dye penetrantD
all of above
考题
单选题When backing down with sternway，the pivot point of a vessel is（）.A
about one-quarter of the vessel's length from the sternB
at the bowC
about one-third of the vessel's length from the bowD
aft of the propellers
考题
单选题（） system is arranged to ensure that water can be drawn from any tank or the sea and discharged to any other tank or the sea as required to trim the vessel.A
The domestic waterB
Bilge waterC
Oil transferD
The ballast
考题
单选题A seaman is entitled by law to a release from Foreign Articles when（）.A
intoxicatedB
deductions are made from wagesC
injuredD
the vessel is overloaded
考题
单选题Most of your vessel’s superstructure is forward. How will the vessel lie when drifting with no way on?（）.A
With the wind from aheadB
With the wind off the port beamC
With the wind off the starboard beamD
With the wind from abaft the beam
考题
单选题All electrical appliances aboard a vessel should be grounded to（）.A
prevent them from falling when the vessel rollsB
protect personnel from electrical shockC
increase their operating efficiencyD
prevent unauthorized personnal from operating them
考题
单选题When is the density of the water required to be logged in the logbook of a ship?（）A
Any time the vessel moves from water of one density into waters of a different densityB
Prior to getting underway when the vessel is floating in fresh or brackish waterC
Only when the vessel moves from fresh water into salt waterD
The density of the water is not required to be logged in the unofficial logbook
考题
单选题The path that a vessel is expected to follow，represented on a chart by a line drawn from the point of departure to the point of arrival，is the（）.A
DR plotB
track lineC
headingD
estimated course
考题
单选题The term of landfall means（）.A
land first sighted when vessel approaching from seawardB
land last sighted when vessel leaving from a portC
in sight of one another when vessel underwayD
in sight of an island during a ship on her voyage
考题
单选题When a vessel is in dry-dock, the vessel’s engineers should （）.A
examine the condition of the propellerB
chip and paint all hull protection zincsC
install new docking plugs in all cofferdamsD
inspect the hull for hogging or sagging
考题
单选题The angular movement of a vessel about a horizontal line drawn from its bow to its stern is （）.A
pitchingB
rollingC
heavingD
swaying
考题
单选题The lines led forward from the bow and aft from the stern when a vessel is moored to the dock are（）.A
bow and stern linesB
breast linesC
halyardsD
warps
考题
单选题When a vessel is swinging from side to side off course due to quartering seas，the vessel is （）.A
broachingB
pitchpolingC
rollingD
yawing
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