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单选题
A vessel aground would show the same dayshape as a（）.
A
vessel towing a submerged object
B
dredge underway and dredging
C
hydrographic survey vessel at anchor and surveying
D
None of the above
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A vessel aground would show the same dayshape as a ______.A.vessel towing a submerged objectB.dredge underway and dredgingC.hydrographic survey vessel at anchor and surveyingD.None of the above
考题
A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE?A.During the day，she would display three balls in a vertical lineB.If making way，she would show masthead lights at nightC.If at anchor，she need not show anchor lights while displaying identifying lightsD.Her fog signal would consist of a rapid ringing of a bell for five seconds every minute
考题
A vessel towing a barge astern would show，at the stern ______.A.only a stern lightB.a towing light above the stern lightC.two towing lights in a vertical lineD.two white lights in a vertical line
考题
A vessel aground may have negative GM since the ______.A.decrease in KM is equal to the loss of draftB.virtual rise of G is directly proportional to the remaining draftC.lost buoyancy method is used to calculate KM, and KB is reducedD.displacement lost acts at the point where the ship is aground
考题
单选题Which statement is TRUE concerning a towing vessel which，due to the nature of her work，is unable to keep out of the way of another vessel?（）A
By day，she shall carry a black cylinder shapeB
By day，she shall carry two black balls in a vertical lineC
By night，she would show the same lights as a vessel not under commandD
By day，she would show the same shapes as a vessel restricted in her ability to maneuver
考题
单选题A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE? （）A
During the day，she would display three balls in a vertical lineB
If making way，she would show masthead lights at nightC
If at anchor，she need not show anchor lights while displaying identifying lightsD
Her fog signal would consist of a rapid ringing of a bell for five seconds every minute
考题
单选题As you approach Shreves cut-off you see Red River LandingGage (302.4 AHP) which reads 4.2 feet. Which of thefollowing statements is TRUE? （）A
This reading is at the same elevation as the 6.2 ft. mark on the gage at Head of PassesB
A vessel drawing 8 ft would be able to pass over the sill at Old River LockC
This reading is 6.4 feet below the Low Water Reference PlaneD
A vessel drawing 7 ft. would be able to pass through the locks at Lower Old River
考题
单选题A vessel towing a barge astern would show，at the stern（）.A
only a stern lightB
a towing light above the stern lightC
two towing lights in a vertical lineD
two white lights in a vertical line
考题
单选题The Vessel can be（）in lawful trades between ports，anchorages or places where it is customary for similar size vessels to lie safely aground.A
PermalloyedB
DestroyedC
DeployedD
employed
考题
单选题The giving-way vessel has a same meaning of（）.A
stand-on vesselB
privileged vesselC
burdened vesselD
hampered vessel
考题
单选题A sailing vessel is overtaking a power-driven vessel in a narrow channel，so as to pass on the power-driven vessel’s port side. The overtaken vessel will have to move to facilitate passage. The sailing vessel is the（）.A
stand-on vessel and would sound two short blastsB
give-way vessel and would sound no whistle signalC
stand-on vessel and would sound no whistle signalD
give-way vessel and would sound two prolonged blasts followed by two short blasts
考题
单选题Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges（）.A
Each vessel should show sidelightsB
Each vessel should show at least one white lightC
The barges should be lighted as separate unitsD
The barges should be lighted as one vessel
考题
单选题A vessel not under command making way at night would show（）.A
two all-round red lights in a vertical lineB
anchor lights and sidelightsC
two all-round white lights in a vertical line，sidelights and a stern lightD
two all-round red lights in a vertical line，sidelights，and a stern light
考题
单选题A vessel，which does not normally engage in towing operations，is towing a vessel in distress.She（）.A
need not show the lights for a vessel engaged in towing，if it is impractical to do soB
may show the lights for a vessel not under commandC
must show a yellow light above the stern lightD
must show the lights for a vessel towing
考题
单选题How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?（）A
This requires extensive calculation and is usually performed only by a naval architect not by a ship's officerB
Determine the point where aground and the draft at that point，then calculate it using the grounding formulaC
Use the hydrostatic tables and enter with the mean draft before grounding and the mean draft after groundingD
Use the inclining experiment formula and substitute the change of trim for the angle of list
考题
单选题A vessel engaged in fishing during the day would show（）.A
one black ballB
two cones with bases togetherC
a cone，apex downwardD
two cones，apexes together
考题
单选题A vessel aground may have negative GM since the（）.A
decrease in KM is equal to the loss of draftB
virtual rise of G is directly proportional to the remaining draftC
lost buoyancy method is used to calculate KM，and KB is reducedD
displacement lost acts at the point where the ship is aground
考题
单选题A vessel being towed astern，where the length of the tow exceeds 200 meters，will exhibit （）.A
two balls in a vertical lineB
a diamond shape where it can best be seenC
a ball on each end of the towD
no dayshape
考题
单选题A sailing vessel is overtaking a steam vessel in a fairway on International waters，so as to pass on the steam vessel’s port side． The sailing vessel is the（）.A
privileged vessel and would sound two short blastsB
burdened vessel and would sound two prolonged blasts followed by two short blastsC
burdened vessel and would sound no whistle signalD
privileged vessel and would sound no whistle signal
考题
单选题Which vessel when anchored at night，would not be required to show anchor lights? （）A
A vessel engaged in underwater operationsB
A vessel engaged in mine clearanceC
A vessel engaged on pilotage dutyD
A vessel engaged in survey operations
考题
单选题A vessel aground may have negative GM since the（）.A
decrease in KM is equal to the loss of draftB
virtual rise of G is directly proportional to the remaining draftC
lost buoyancy method is used to calculate KM, and KB is reducedD
displa ement lost acts at the point where the ship is aground
考题
单选题A vessel aground would show the same dayshape as a（）.A
vessel towing a submerged objectB
dredge underway and dredgingC
hydrographic survey vessel at anchor and surveyingD
None of the above
考题
单选题When a vessel is aground,（）.A
she is underwayB
she is not underwayC
whether she is underway cannot be determinedD
she might be or not be underway
考题
单选题If your vessel is aground at the bow，it would be preferable that any weight removals be made from the（）.A
bowB
mid-sectionC
sternD
All of the above
考题
单选题Which vessel would display a cone，apex downward（）.A
A fishing vessel with outlying gearB
A vessel proceeding under sail and machineryC
A vessel engaged in diving operationsD
A vessel being towed
考题
单选题The speed of a vessel adjusted to that of a pilot boat at which the pilot can safely embark is（）.A
ground speedB
boarding speedC
relative speedD
speed of the vessel
考题
单选题Which vessel，when anchored at night，is NOT required to show anchor lights?（）.A
A power-driven vesselB
A vessel engaged on pilotage dutyC
A vessel dredgingD
A vessel restricted in her ability to maneuver
考题
单选题A vessel aground at night is required to show two red lights in a vertical line as well as （）.A
not under command lightsB
restricted in her ability to maneuver lightsC
anchor lightsD
sidelights and a sternlight
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