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单选题
A permanent chain chasing system is used to（）.
A
clean anchor chain as it's hauled in
B
recover anchors which have lost their buoys
C
run and retrieve anchors
D
prepare anchor chain for inspection
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In a combination chain and wire rope mooring system, the anchor chain is deployed at the anchor end of the line to ______.A.increase fatigue life of the systemB.reduce the time to retrieve the lineC.increase the holding powerD.reduce the catenary
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Which of the following commands should be used to report statistics on network protocols used by the system？（）A、 lsattrB、 pstatC、 netstatD、 ifconfig
考题
单选题The machinery associated with heaving in and running out anchor chain is the（）.A
winchB
windlassC
draw worksD
dynamic pay out system
考题
单选题A grapnel is a（）.A
device for securing a chain topping liftB
hook to prevent the anchor cable from slippingC
device used to drag for a submerged cable or lineD
type of clam bucket used for discharging bulk cargo
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单选题Which statement concerning the navigation of a vessel in ice is FALSE?（）A
Anchoring in the presence of ice is not recommended except in an emergencyB
Towing a vessel through an ice field is not recommended except in an emergencyC
The Free and Proceed system of escorting a beset vessel cuts down on the number of freeing operationsD
When anchoring in ice，it is advisable to increase the scope of the chain over what is normally used for non-icing conditions
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单选题What is used to correct for both induced and permanent magnetism，and consequently must be readjusted with radical changes in latitude（）.A
Flinders barB
Soft iron spheresC
Fore-and-aft permanent magnets in their traysD
Heeling magnet
考题
单选题What is the primary disadvantage of a permanent chain chaser system?（）A
It requires anchor handling boats with more horsepowerB
Chain chasers work in shallow water onlyC
Chain chasers will not work with piggyback anchorsD
It takes longer to deploy anchors using chain chasers
考题
单选题What is NOT a securing system used on a containership?（）.A
Lashing systemB
Stacking systemC
Locking systemD
Buttress system
考题
单选题（）is used for heaving up and slacking away the anchor and chain.A
A winchB
A windlassC
A deck craneD
A lifeboat engine
考题
单选题An effective braking system for windlasses on rigs in deep water is a(n)（）.A
larger chain stopperB
disc backstopping brakeC
hydraulic clutchD
electrical regenerative braking system
考题
单选题In a combination chain and wire rope mooring system，the anchor chain is deployed at the anchor end of the line to（）.A
increase fatigue life of the systemB
reduce the time to retrieve the lineC
increase the holding powerD
reduce the catenary
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单选题A mooring system that results in a spread system without anchor buoys is called a（）.A
permanent chasing systemB
wire rope mooring systemC
shepherd's crook mooring systemD
spring buoy mooring system
考题
单选题After deploying the anchor，a permanent chain chaser is（）.A
removed from the anchor chainB
connected to a buoy at the anchorC
stripped back to the rig and securedD
connected to a buoy halfway down the chain
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单选题Which of the following commands should be used to make permanent static route entries that will persist across reboots？（）A
chrootB
route staticC
route addD
smitty route
考题
单选题A chain stripper is used to（）.A
prevent chain from clinging to the wildcatB
clean the marine debris from the chainC
flake chain from a boat's chain lockerD
clean chain prior to an x-ray inspection
考题
单选题What can be used to measure the percentage of oxygen inside a chain locker?（）A
Flame safety lampB
Combustible gas indicatorC
Oxygen indicatorD
H2S meter
考题
单选题What color is used to indicate the last shot of anchor chain?（）A
RedB
WhiteC
BlueD
Yellow
考题
单选题The most doubtful and unpredictable factor in a mooring system is the（）.A
ability of the anchors to hold in a seabedB
anchor chain catenary lengthC
variability of the fairleadD
angle of the flukes
考题
单选题Given the same water depth and line tension，the holding power of a 19 pound/foot wire rope mooring system in comparison to the holding power of a 90 pound/foot chain mooring system will be（）.A
weakerB
equalC
greaterD
indeterminable
考题
单选题What is the bow type anchor shackle primarily used for（）.A
Chain to chain connectionsB
Chain to anchor connectionsC
Kenter link to anchor connectionsD
Wire rope connections
考题
单选题Which type of link is generally used to connect shots of anchor chain（）.A
DetachableB
OpenC
Pear shapedD
Stud link
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