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单选题
A single heavy wire made up for the topping lift is called a（）.
A
bale
B
spanner wire
C
bull line
D
working guy
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The word horsepower(马力) was first used two hundred years ago.James Watt had made the first widely used steam(蒸气)engine. He had no way of telling people exactly how powerful it much work one strong horse could do in one minute. He called that unit one horsepower. With this unit he could measure the work his steam engine could do.He discovered that a horse could lift a 3,300-pound weight 10 feet into the air in one minute. His engine could lift a 3,300-pound weight 100 feet in one minute.Because his engine did ten times as much work as the horse, Watt called it a ten horsepower engine.6.The passagesays that Watt made the first widely used steam engine.A.TB.F7.Watt made up a unit of measurement based on the strength of a horse.A.TB.F8.Watt wanted to find a way to lift a 3300-pound weight.A.TB.F9.One horsepower would equal the weight a horse could lift.A.TB.F10.The title of the passageis "How the Term Horsepower Came into Being".A.TB.F
考题
A band or collar on the top end of a boom to which the topping lift，midships guy，and outboard guys are secured，is called the ______.A.collar bandB.guy bandC.pad eye collarD.spider band
考题
Proper lifting technique for heavy items is:()
A. to use gloves to pick up the item.B. to squat and lift from the legs.C. to have two people bend down and pick the item up.D. to bend down and lift the item up.
考题
With a given load on the cargo hook，tension in a single span topping lift ______.A.increases as the boom's angle to the horizontal increasesB.is at a maximum when the boom is at a 45° angle to the horizontalC.increases as the boom's angle to the horizontal decreasesD.decreases as the boom's angle to the horizontal decreases
考题
Which part provides for transverse control and positioning of a boom in a conventional yard and stay system ________．A.GuyB.ShroudC.SpiderD.Topping lift
考题
A deck fitting，used to secure line or wire rope，consisting of a single body with two protruding horns is called a ______．A.BittB.BollardC.CapstanD.Cleat
考题
A bridle for an ocean tow consists of ______.A.two chains of equal lengthB.a single nylon pendant rove through a heavy ring free to move on the pendantC.two long legs of wire rope shackled to a fishplateD.a single length of heavy chain with both ends secured on deck to welded pad eyes
考题
The jumbo boom can （）.A、lift heavy cargoB、load and unloadC、join ropes togetherD、lift light cargo
考题
The （）(双杆联吊) is that two booms are used with a single hook.A、derrickB、union purchaseC、topping lift blockD、crane
考题
The（）(千斤索) is a wire used to take the weight off.A、light derrickB、union purchaseC、topping liftD、heavy derrick
考题
The （）(千斤滑车) can run the gooseneck.A、heavy derrickB、pulley blockC、topping lift blockD、guy tackle
考题
Proper lifting technique for heavy items is:（）A、to use gloves to pick up the item.B、to squat and lift from the legs.C、to have two people bend down and pick the item up.D、to bend down and lift the item up.
考题
单选题Proper lifting technique for heavy items is:（）A
to use gloves to pick up the item.B
to squat and lift from the legs.C
to have two people bend down and pick the item up.D
to bend down and lift the item up.
考题
单选题A flounder plate，on a topping lift，is（）.A
a fairlead blockB
a swivel pin for the topping lift blockC
a triangular steel plate with a hole at each cornerD
the lower block of a multiple part topping lift
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
考题
单选题A bridle for an ocean tow consists of（）.A
two chains of equal lengthB
a single nylon pendant rove through a heavy ring free to move on the pendantC
two long legs of wire rope shackled to a fishplateD
a single length of heavy chain with both ends secured on deck to welded pad eyes
考题
单选题A band or collar on the top end of a boom which the topping lift, midships guy, and outboard guys are secured, is called the（）.A
collar bandB
guy bandC
pad eye collarD
spider band
考题
单选题A warp end may be fitted for operating the derrick topping wire which adjusts the derrick （）.A
lengthB
slackC
heightD
rotation direction
考题
单选题A shroud is（）.A
any wire running fore-and-aft on a shipB
any wire with a fiber coreC
a heavy wire extending from the trunk of the mast to the head of the boomD
a heavy wire extending from the mast，atwartships to the deck，to support the mast
考题
单选题（） may be fitted for operating the derrick topping lift (the wire which adjusts the derrick height).A
A capstanB
A holdC
A warp endD
A mooring drum
考题
单选题With a given load on the cargo hook，tension in a single span topping lift（）.A
increases as the boom's angle to the horizontal increasesB
is at a maximum when the boom is at a 45° angle to the horizontalC
increases as the boom's angle to the horizontal decreasesD
decreases as the boom's angle to the horizontal decreases
考题
单选题A deck fitting，used to secure line or wire rope，consisting of a single body with two protruding horns is called a（）.A
bittB
bollardC
capstanD
cleat
考题
单选题A six-strand composite rope made up of alternate fiber and wire strands around a fiber core is called（）.A
Spring layB
Lang layC
Cable layD
Alternate lay
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