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单选题
The rope which is the lightest is（）.
A
manila
B
nylon
C
polypropylene
D
dacron
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Which statement is TRUE about the use of a“gob rope”________．A.The gob rope is a mooring line for tying up lighters for working cargo alongside a vessel anchored in an open roadsteadB.The gob rope is used to secure the towline aft over the centerline of a tugC.The gob rope is a line hung over a vessel's side to assist in boardingD.The gob rope is a rope used in mooring a vessel to a buoy
考题
Which molten substance is poured into the basket of a wire rope socket being fitted to the end of a wire rope ________．A.BabbittB.BronzeC.LeadD.Zinc
考题
All wire rope used in shipboard cargo gear must be identified and described in a certificate. The certificate shall certify all of the following EXCEPT the ______.A.date of the testB.load at which a test sample brokeC.name of the vesselD.number of strands and of wires in each strand
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Before starting to hoist provisions, which should be checked?______.A.Hoist rope is not kinkedB.Multiple part lines are not twisted around each otherC.The hook is centrally located over the loadD.All of the above
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Galvanizing would be suitable for protecting wire rope which is used for ______.A.cargo runnersB.staysC.topping liftsD.All of the above
考题
Ropes can be divided into three types: （）.A、natural fiber rope, manila rope and synthetic ropeB、natural fiber rope, synthetic rope and wire ropeC、synthetic rope, manila rope and wire ropeD、synthetic rope, manila rope and wooden rope
考题
Sisal rope is less strong and less flexible than （）.A、hemp ropeB、manila ropeC、natural fiber ropesD、wooden rope
考题
单选题When securing a hook to the end of a wire rope you should use（）.A
A bowline knotB
A long spliceC
An overhand knot with a wire rope clipD
Wire rope clips with a thimble eye
考题
单选题The strongest method of forming an eye in wire rope is using（）.A
three wire rope clampsB
an eye splice with four or five tucksC
a thimble fastened with four or five tucksD
a wire rope socket attached with zinc
考题
单选题Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane（）.A
Taglines are wire rope purchases that raise and lower the jibB
Taglines are wire ropes for horizontal positioning of the rider blockC
Taglines can be fastened to corners of vehicles or containersD
The crane might not have taglines installed in its rigging system
考题
单选题In the manufacture of wire rope，if the wires are shaped to conform to the curvature of the finished rope before they are laid up，the rope is called（）.A
compositeB
left-layC
improvedD
preformed
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单选题Among the main propulsion units on board the ship with the same capacity, the lightest one is（）.A
steam engineB
steam turbineC
gas turbineD
diesel engine
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单选题Galvanizing would not be suitable for protecting wire rope which is used for（）.A
cargo runnersB
mooring wiresC
shroudsD
stays
考题
单选题In bungee jumping, you _____.A
jump as high as you canB
slide down a rope to the groundC
tie yourself to a rope and fallD
fall without a rope
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单选题Which material should NOT be used to secure cargo on deck for a voyage（）.A
Steel chainB
Wire ropeC
Steel strappingD
Fiber rope
考题
单选题The main function of the core of a wire rope is to（）.A
give flexibilityB
support the strands laid around itC
allow some circulation around the strandsD
allow lubrication inside the rope
考题
单选题Before starting to hoist provisions，which should be checked?（）A
Hoist rope is not kinkedB
Multiple part lines are not twisted around each otherC
The hook is centrally located over the loadD
All of the above
考题
单选题Serving is（）.A
marline or ratline wound along the grooves of a ropeB
narrow strips of light canvas or cotton cloth spiral-wrapped along the ropeC
marline tightly wound on the rope by means of a board or malletD
a splice made by laying the strand of one rope into the vacated grooves of another rope
考题
单选题The only wire rope termination which may be made in the field is（）.A
swaged socketB
thimbled mechanical spliceC
hand spliceD
spelter poured and resin sockets
考题
单选题What is an advantage of having wire rope with a fiber core over that of a wire rope of the same size with a wire core（）.A
Fiber core rope offers greater strengthB
Fiber core rope offers greater flexibilityC
Fiber core rope can be used at higher operating temperaturesD
Fiber core rope is the only type authorized for cargo runners
考题
单选题An advantage of nylon rope over manila rope is that nylon rope（）.A
can hold a load even when a considerable number of the yarns have been abradedB
can be stored on deck，exposed to sunlightC
can be used in conjunction with wire or spring-lay ropeD
gives audible warning of overstress whereas manila does not
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单选题The rope which is rove from the truck to be used with a bos’n chair is called a（）.A
gantlineB
life lineC
stropD
whip
考题
单选题All wire rope used in shipboard cargo gear must be identified and described in a certificate. The certificate shall certify all of the following EXCEPT the（）.A
date of the testB
load at which a test sample brokeC
name of the vesselD
number of strands and of wires in each strand
考题
单选题Which will cause a wire rope to fail（）.A
Using a medium graphite grease as a lubricantB
Operating a winch too slowC
Using a sheave with an undersized throatD
A sheave diameter of 24 times the wire's diameter
考题
单选题Each liferaft，which does not have an indicated maximum stowage height indicated on the liferaft，must be（）.A
limited to carry no more than 10 personsB
stowed not more than 59 feet above the lightest waterlineC
stowed in quick release racksD
inspected every six months
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