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单选题
The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10°. How will this affect the anchor in sandy soil?（）
A
It will have no effect
B
It will increase the holding power
C
It will reduce the holding power
D
It will cause the anchor to snag
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更多 “单选题The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10°. How will this affect the anchor in sandy soil?（）A It will have no effectB It will increase the holding powerC It will reduce the holding powerD It will cause the anchor to snag” 相关考题
考题
The angle at which the anchor flukes penetrate the soil is the ______.A.burial angleB.penetration angleC.fluke angleD.holding angle
考题
The major components which determine the length of catenary in a deployed anchor cable are water depth，cable tension，and ______.A.environmental forcesB.bottom conditionsC.cable weightD.water density
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
With a given load on the cargo hook，the thrust on a cargo boom ______.A.increases as the angle to the horizontal increasesB.increases as the angle to the horizontal decreasesC.is greatest at an angle of 45° and decreases as the boom is raised or loweredD.is least at an angle of 45° and increases as the boom is raised or lowered
考题
The fluke angle of an anchor system is the angle between the ______.A.flukes and the shankB.shank and the sea bottomC.mooring line and the sea bottomD.flukes and the shackle
考题
In a traffic separation scheme, when joining a traffic lane from the side, a vessel shall do so___.A.only in case of an emergency or to engage in fishing within the zoneB.as nearly as practical at right angles to the general direction of traffic flowC.at as small an angle as possibleD.only to anchor within the zone
考题
Mariners proceeding across the main routes are recommended to do so at______．A.as wide an angle as practicableB.as wide an angle so practicableC.like wide an angle as practicableD.like wide as angle so practicable
考题
锚马上就要出水了。（）A、The anchor will be up in a moment.B、The anchor is clear of the bottom.C、The cable is clear .D、The cables are clear.
考题
单选题The angle at which the anchor flukes penetrate the soil is the（）.A
burial angleB
penetration angleC
fluke angleD
holding angle
考题
单选题The fluke angle of an anchor system is the angle between the（）.A
flukes and the shankB
shank and the sea bottomC
mooring line and the sea bottomD
flukes and the shackle
考题
单选题The last shot of an anchor cable is usually painted（）.A
whiteB
international orangeC
yellowD
red
考题
单选题If you shorten the scope of anchor cable，your anchor’s holding power（）.A
decreasesB
increasesC
remains the sameD
has no relation to the scope
考题
单选题When the anchor is brought to and holding，the horizontal component of anchor cable tensions should equal the（）.A
displacement tonnageB
weight forcesC
buoyancy forcesD
environmental forces
考题
单选题The holding power of an anchor increases when the（）.A
amount of chain lying along the bottom increasesB
length of the catenary is reducedC
mooring line tension is increasedD
amount of chain lying along the bottom decreases
考题
单选题In determining the scope of cable to be used when anchoring，what would NOT be considered?（）.A
Depth of the waterB
Character of the holding groundC
maintenance cost for the chainD
Type of anchor cable
考题
单选题The major components which determine the length of a catenary in a deployed anchor cable are water depth，cable weight，and（）.A
cable tensionB
water temperatureC
bottom conditionsD
water density
考题
单选题What is the holding power ratio of an anchor? （）A
Maximum mooring line tension divided by the anchor's weight in airB
Anchor's weight in air divided by the maximum mooring line tensionC
Preloading tension divided by the anchor's weight in airD
Operating tension divided by the anchor's weight in air
考题
单选题The holding power of an anchor at a given scope of cable increases when the（）.A
amount of chain lying along the bottom increasesB
length of the catenary is reducedC
mooring line tension is increasedD
amount of chain lying along the bottom decreases
考题
单选题To safely anchor a vessel there must be sufficient scope in the anchor cable. Scope is the ratio of（）.A
weight of cable to weight of vesselB
weight of cable to weight of anchorC
length of anchor to depth of waterD
length of cable to depth of water
考题
单选题In a traffic separation scheme，when joining a traffic lane from the side，a vessel shall do so（）.A
only in case of an emergency or to engage in fishing within the zoneB
as nearly as practical at right angles to the general direction of traffic flowC
at as small an angle as possibleD
only to anchor within the zone
考题
单选题起锚，留一节在水里。（）A
Heave up the cable and leave one shackle in water.B
Weigh anchor and leave one shackle in water.C
Lower the cable and leave one shackle in water.D
Drop anchor and leave one shackle in water.
考题
单选题With a given load on the cargo hook，the thrust on a cargo boom（）.A
increases as the angle to the horizontal increasesB
increases as the angle to the horizontal decreasesC
is greatest at an angle of 45° and decreases as the boom is raised or loweredD
is least at an angle of 45° and increases as the boom is raised or lowered
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The last of an anchor cable is usually painted（）.A
whiteB
international orangeC
yellowD
red
考题
单选题Cable tension for catenary calculations is taken at the（）.A
chain lockerB
fairleadC
anchorD
contact point of chain with seabed
考题
单选题Mariners proceeding across the main routes are recommended to do so at（）.A
as wide an angle as practicableB
as wide an angle so practicableC
like wide an angle as practicableD
like wide as angle so practicable
考题
单选题The major components which determine the length of catenary in a deployed anchor cable are water depth，cable tension，and（）.A
environmental forcesB
bottom conditionsC
cable weightD
water density
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