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Wire ropes should be greased （）.
- A、every month
- B、every two months
- C、every three months
- D、A or B
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更多 “Wire ropes should be greased （）.A、every monthB、every two monthsC、every three monthsD、A or B” 相关考题
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Lashing is the means of securing vehicles and other cargo by ______．A.tomming down methodB.blocking methodC.bracing methodD.using wire ropes，chains，steel bars，and turnbuckles
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Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE ________．A.Stack weights should be less when using a solid bar lashing as compared to a wire lashingB.Stack heights may be increased when using a solid bar lashingC.Stack heights should be reduced when using a solid bar lashingD.Solid bars should be used for lashing the first tier only，with wire lashings on the higher tier（s）
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If wire rope clips are used to make a joint in a wire lashing，be sure that ______．A.the saddle portion of the clip should be applied to the live load segment and the U-bolt to the dead or shortened end segmentB.the saddle portion and the U-bolt of the clip should be applied to the dead or shortened endC.neither the saddle portion nor the U-bolt of the clip should be applied to the live load segmentD.the U-bolt of the clip should be applied to the live load segment and the saddle portion to the dead or shortened end segment
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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
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Fire hose couplings ______.A.are made of bronze brass, or soft alloy metalsB.should be painted red in order to identify hose lengthsC.are specially hardened to prevent crushingD.should be greased frequently
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It should be noted ______ the use of synthetic mooring ropes able to produce sparks by their manipulation is absolutely forbidden on board petroleum tankers and LPG or LNG carriers, or any vessels carring inflammable substances.A.thatB.whichC.whoD.These
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（）should be greased every month or two and it should be kept on a reel when not in use.A、Wire ropeB、Hemp ropeC、Nylon ropeD、Wooden rope
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
Finally, a wire brush should be used on all bare （）to remove the last of the scale.A、metalB、woodC、cementD、all the above
考题
（）is the strongest and the most elastic of all the synthetic fiber ropes.A、Hemp ropeB、Wire ropeC、Nylon ropeD、wood rope
考题
Ropes should be kept （）.A、in wet placesB、close to the heatC、away from chemicalsD、in dry places
考题
Wire rope should be greased （）when not in use.A、every half a monthB、every month or twoC、every half a yearD、every year
考题
A （）(钢丝刷) should be used on all bare metal to remove the last of the scale.A、wire brushB、wire ropeC、wire rodD、wire rope clip
考题
单选题Ropes should be kept （）.A
in wet placesB
close to the heatC
away from chemicalsD
in dry places
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（）should be greased every month or two and it should be kept on a reel when not in use.A
Wire ropeB
Hemp ropeC
Nylon ropeD
Wooden rope
考题
单选题On your vessel，a wire rope for the cargo gear shows signs of excessive wear and must be replaced. In ordering a new wire for this 10-ton boom，what safety factor should you use?（）A
ThreeB
FiveC
SixD
Seven
考题
单选题If you were to pass a stopper on a wire rope，what should the stopper be made of?（）A
WireB
ManilaC
NylonD
Chain
考题
单选题What does the term end-for-end refer to in regard to a wire towing hawser（）.A
Cutting off the bitter and towing ends of the wire ropeB
Splicing two wire ropes togetherC
Removing the wire rope from the drum and reversing it so that the towing end becomes the bitter endD
Removing the wire rope from the drum and turning it over so that the wire bends in the opposite direction when rolled on a drum
考题
单选题Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE? （）A
Stack weights should be less when using a solid bar lashing as compared to a wire lashingB
Stack heights may be increased when using a solid bar lashingC
Stack heights should be reduced when using a solid bar lashingD
Solid bars should be used for lashing the first tier only，with wire lashings on the higher tier(s)
考题
单选题It should be noted（）the use of synthetic mooring ropes able to produce sparks by their manipulation is absolutely forbidden on board petroleum tankers and LPG or LNG carriers，or any vessels carrying inflammable substances.A
thatB
whichC
whoD
these
考题
单选题The wire ropes and blocks, or pulleys, on a ship are called （）.A
fittingsB
riggingsC
equipmentD
device
考题
单选题Wire ropes should be greased （）.A
every monthB
every two monthsC
every three monthsD
A or B
考题
单选题The shaft and spare parts（） should be well greased in order to avoid corrosion.A
in the store roomB
in the cylinderC
in the scavenge air boxD
in the water box
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单选题The （） of the main shaft should be measured with a （）.A
clearance；calipersB
sinking；bridge gaugeC
diameter；bridge gaugeD
clearance；lead wire
考题
单选题The wire ropes and blocks, or pulleys, on a ship are called（）.A
the apparatusB
equipmentC
riggingsD
fittings
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