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If you shorten the scope of anchor cable, your anchor’s holding power ______.
A.decreases
B.increases
C.remains the same
D.has no relation to the scope
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更多 “ 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 ” 相关考题
考题
You are entering port and have been instructed to anchor，as your berth is not yet available．You are on a SW'ly heading，preparing to drop anchor，when you observe the range lights as shown on your starboard beam．You should ______．A.not drop the anchor until the lights are in lineB.ensure your ship will NOT block the channel or obstruct the range while at anchorC.drop the anchor immediately as the range lights mark an area free of obstructionsD.drop the anchor immediately as a change in the position of the range lights will be an indication of dragging anchor
考题
You are planning to anchor in an area where several anchors have been lost due to fouling．As a precaution，you should ______．A.anchor using both anchorsB.anchor with scope of 8 or more to 1C.use a stern anchorD.fit a crown strap and work wire to the anchor
考题
Increasing the area of the anchor flukes will ______．A.Increase holding powerB.Decrease holding powerC.Make penetration more completeD.Not effect holding power
考题
The holding capability of an anchor is primarily determined by the ______．A.Shape of the anchorB.Stowage of the anchor on boardC.Anchor's ability to dig inD.Size of the vessel and its draft
考题
By paying out more anchor cable, you ______.A.decrease the holding power of your anchorB.decrease the swing of your vessel while at anchorC.increase the holding power of your anchorD.increase the possibility that your vessel will drag anchor
考题
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
锚已抓底了吗？（）A、Is the anchor up and down?B、Is the anchor fouling?C、Is the anchor holding?D、Is the anchor across?
考题
单选题If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out?（）A
Chain stopperB
Devil's clawC
Hawse ratchetD
Riding pawl
考题
单选题You are proceeding down a channel and lose the engine（s）.You must use the anchors to stop the ship.Which statement is true（）.A
Pay out all of the cable before setting up on the brake to insure the anchors dig in and holdB
For a mud，mud and clay，or sandy bottom pay out a scope of 5 to 7 times the depth before setting up on the brakeC
Use one or both anchors with a scope of twice the depth before setting the brakeD
Drop the anchor to short stay and hold that scope
考题
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
考题
单选题Releasing oil from the sea anchor of a survival craft may（）.A
keep the propeller from being fouledB
increase propeller speedC
help calm the waves in the vicinity of the craftD
increase the holding power of the sea anchor
考题
单选题Releasing oil from the sea anchor of a lifeboat may（）.A
keep the propeller from being fouledB
increase propeller speedC
help calm the waves in the vicinity of the craftD
increase the holding power of the sea anchor
考题
单选题When using the anchor to steady the bow while approaching a dock you must be aware of the fact that（）.A
the vessel will tend to take a large sheer towards the side where the anchor is downB
steering control is ineffective in trying to turn to the side opposite to that of the anchor being usedC
the anchor cable must never lead under the hullD
using an offshore anchor decreases the chances of the anchor holding
考题
单选题You are riding to a single anchor.The vessel is yawing excessively.Which action should be taken to reduce the yawing（）.A
Veer chain to the riding anchorB
Heave to a shorter scope of chain on the riding anchorC
Drop the second anchor at the extreme end of the yaw and veer the riding anchorD
Drop the second anchor at the extreme end of the yaw，then adjust the cables until the scope is equal
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 capability of an anchor is primarily determined by the（）.A
shape of the anchorB
stowage of the anchor on boardC
anchor's ability to dig inD
size of the vessel and its draft
考题
单选题The holding power of an anchor is the（）.A
maximum sustained vertical load an anchor will resist before draggingB
maximum sustained horizontal load an anchor will resist before draggingC
maximum sustained vertical load an anchor will resist before the mooring line breaksD
maximum sustained horizontal load an anchor will resist before the mooring line breaks
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By paying out more anchor cable，you（）.A
decrease the holding power of your anchorB
decrease the swing of your vessel while at anchorC
increase the holding power of your anchorD
increase the possibility that your vessel will drag anchor
考题
单选题If your vessel is dragging her anchor in a strong wind，you should（）.A
shorten the scope of anchor cableB
increase the scope of anchor cableC
put over the sea anchorD
put over a stern anchor
考题
单选题To develop maximum anchor holding power，the optimum angle between the anchor’s shank and the mooring lines is（）.A
0 degreesB
10 degreesC
20 degreesD
30 degrees
考题
单选题You are entering port and have been instructed to anchor，as your berth is not yet available.You are on a SW’ly heading，preparing to drop anchor，when you observe the range lights as shown on your starboard beam.You should（）.A
not drop the anchor until the lights are in lineB
ensure your ship will NOT block the channel or obstruct the range while at anchorC
drop the anchor immediately as the range lights mark an area free of obstructionsD
drop the anchor immediately as a change in the position of the range lights will be an indication of dragging anchor
考题
单选题Increasing the area of the anchor flukes will（）.A
increase holding powerB
decrease holding powerC
make penetration more completeD
not effect holding power
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