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单选题
In order to help protect a natural fiber rope from rotting , the line must be（）.
A
dried , and stowed in a place with adequate ventilation
B
stowed in a hot , moist compartment
C
stowed on deck at all times
D
stowed in any compartment
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此题为判断题(对，错)。
考题
A natural fiber rope can be ruined by dampness because it may ______.A.rotB.shrinkC.stretchD.unlay
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Whipping the bitter end of a fiber rope ______．A.increases the circumference of the ropeB.makes for easier handlingC.prevents fraying of the bitter endD.prevents moisture from entering the bitter end
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Chafing gear(防摩擦装置) is used to______．A.anchor the boatB.pick up heavy loadsC.protect fiber rope from abrasionD.strengthen mooring lines
考题
In order to help protect a natural fiber rope from rotting, the line must be ______.A.dried, and stowed in a place with adequate ventilationB.stowed in a hot, moist compartmentC.stowed on deck at all timesD.stowed in any compartment
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
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（）is the strongest and the most elastic of all the synthetic fiber ropes.A、Hemp ropeB、Wire ropeC、Nylon ropeD、wood rope
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Which of the following will help protect an operating system from vulnerability？（）A、Download free anti-virus programs from the Internet.B、Perform updates from the manufacturers website regularly.C、Using the operating systems email program only to open attachments.D、Monitoring what is displayed on the screen.
考题
Switch A is configured with VLAN 105 and 106. Switch Bis configured with VLAN 105 and 107.Both switches are connected with a fiber cable. In order for packets from all VLANs to cross thefiber cable, which of the following configurations MUST be present? （）A、Reverse ARPB、Full duplex on the fiber linkC、PoED、802.1q trunking
考题
单选题Sisal rope is less strong and less flexible than （）.A
hemp ropeB
manila ropeC
natural fiber ropesD
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考题
单选题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
单选题Switch A is configured with VLAN 105 and 106. Switch Bis configured with VLAN 105 and 107.Both switches are connected with a fiber cable. In order for packets from all VLANs to cross thefiber cable, which of the following configurations MUST be present? （）A
Reverse ARPB
Full duplex on the fiber linkC
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考题
单选题In order to help protect a natural fiber rope from rotting，the line must be（）.A
dried，and stowed in a place with adequate ventilationB
stowed in a hot，moist compartmentC
stowed on deck at all timesD
stowed in any compartment
考题
单选题What is the main reason to slush a wire rope?（）A
Keep the wire soft and manageableB
Lubricate the inner wires and prevent wearC
Prevent kinkingD
Prevent rotting
考题
单选题Safety goggles or glasses are NOT normally worn when（）.A
using a rotary grinder with an installed shieldB
letting go the anchorC
handling wire rope or natural fiber lineD
painting with a spray gun
考题
单选题A natural fiber rope can be ruined by dampness because it may （）.A
rotB
shrinkC
stretchD
unlay
考题
单选题Chafing gear is used to（）.A
anchor the boatB
pick up heavy loadsC
protect fiber rope from abrasionD
strengthen mooring lines
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
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考题
单选题A rope made of a combination of wire and fiber is known as（）.A
independentB
lang layC
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考题
单选题When cutting wire rope，seizings are put on each side of the cut.The seizings prevent the wire from unlaying and also（）.A
Maintain the original balance of the tension in the wires and strandsB
Prevent moisture from entering between the wires at the cut endC
Forces lubricant from the core to protect the raw，cut endD
All of the above
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