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单选题
Towlines should be inspected for chafing where the towline（）.
A
passes over the stern of the towing vessel
B
passes through chocks
C
is attached to the disabled vessel
D
All of the above
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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
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What is the purpose of unicast reverse path forwarding?()
A. to validate packet receipt on interfaces where the traffic should be receivedB. to forward packets out the interfaces where the traffic should be receivedC. to forward packets out the interfaces where the traffic should be sentD. to validate packet receipt on interfaces where the traffic should be sent
考题
A storm is forecast for the area where your vessel is moored. For its safety you should put ______.A.more slack in the mooring linesB.a strain on the mooring linesC.chafing gear on the mooring linesD.grease on the mooring lines
考题
When should you conduct a visual inspection of your towline?A.Whenever its serviceability is in doubtB.In accordance with the manufacturer's recommendationC.At least once a monthD.All of the above
考题
In towing，chocks are used to ______.A.protect the towline from chafingB.secure the end of the towline on the tugC.stop off the towline while retrieving itD.absorb shock loading on the towline
考题
Which factor(s) might indicate that a towline should be removed from service?A.Visible damage to the towline，including fishhooksB.Measurements showing a decrease in diameterC.A surface condition of corrosion and discolorationD.All of the above
考题
For safety reasons，when assistance towing ______．A.the disabled vessel should be towed to the nearest portB.the disabled vessel should be inspected for flammable gasesC.passengers should always be removed from the disabled vesselD.personnel on the disabled vessel should don PFD's
考题
During the towing of a survival craft，a lookout should be on station to ______．A.release the towline in an emergencyB.help the helmsman steerC.look for food and waterD.check the water level in the bilge
考题
Chafing gear should be placed______．A.at all wearing points of mooring linesB.around running riggingC.on wire rope only forcesD.at the bitter ends of all standing rigging
考题
What is the purpose of unicast reverse path forwarding?（）A、to validate packet receipt on interfaces where the traffic should be receivedB、to forward packets out the interfaces where the traffic should be receivedC、to forward packets out the interfaces where the traffic should be sentD、to validate packet receipt on interfaces where the traffic should be sent
考题
单选题To determine the number of able seamen required on an inspected vessel，you should check the （）.A
Load Line CertificateB
operations manualC
Safety of Life at Sea CertificateD
Certificate of Inspection
考题
单选题During the towing of a survival craft，a lookout should be on station to（）.A
release the towline in an emergencyB
help the helmsman steerC
look for food and waterD
check the water level in the bilge
考题
单选题In towing，chocks are used to（）.A
protect the towline from chafingB
secure the end of the towline on the tugC
stop off the towline while retrieving itD
absorb shock loading on the towline
考题
单选题When should you conduct a visual inspection of your towline? （）A
Whenever its serviceability is in doubtB
In accordance with the manufacturer's recommendationC
At least once a monthD
All of the above
考题
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
考题
单选题What should you do to a line to prevent fraying where it passes over the side of the vessel（）.A
Worm that part of the lineB
Splice that part of the lineC
Cover it with chafing gearD
Install a cleat
考题
单选题Which factor(s) might indicate that a towline should be removed from service? （）A
Visible damage to the towline，including fishhooksB
Measurements showing a decrease in diameterC
A surface condition of corrosion and discolorationD
All of the above
考题
单选题Chafing gear should be placed（）.A
at all wearing points of mooring linesB
at the bitter ends of all standing riggingC
around running riggingD
on wire rope only
考题
单选题Towlines should be inspected for chafing where the towline（）.A
passes over the stern of the towing vesselB
passes through chocksC
is attached to the disabled vesselD
All of the above
考题
单选题The main reason a long towline is used during an oceantow is that（）.A
a margin of safety is provided should the line partB
the towline will wear more evenlyC
there will be less stress on the towlineD
a slight increase in speed will be realized
考题
单选题For safety reasons，when assistance towing（）.A
the disabled vessel should be towed to the nearest portB
the disabled vessel should be inspected for flammable gasesC
passengers should always be removed from the disabled vesselD
personnel on the disabled vessel should don PFD's
考题
单选题When towing astern what equipment should be stowed ready for use near the towline?（）A
First aid kitB
Axe or cutting torchC
Fire extinguisherD
Chafing gear
考题
单选题If the towline parts，you should（）.A
start towing by pushing aheadB
abandon the towing vesselC
retrieve the tow bridleD
relieve strain on the retrieving line
考题
单选题It is good practice to use long towlines for ocean tows because the（）.A
wear on the towline is equalizedB
weight of the towline increases the towing forceC
dip in the towline absorbs shock loadsD
danger of overriding is reduced
考题
单选题Tugs sometimes shackle a length of chain in the towline in order to（）.A
take the wear should the towline drag bottomB
assure that if the towline is overstressed it will part close to the bridleC
prevent the towline from whipping should it partD
put spring in the towline
考题
单选题The emergency communication set’s transmitter should not be tested except when（）by a public radio inspector.A
inspectingB
inspectedC
inspectsD
having inspected
考题
单选题When a line is subject to wear where it passes through a mooring chock，it should be（）.A
wormed，parceled，and servedB
wrapped with heavy tapeC
wrapped with chafing gearD
wrapped in leather
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