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在线测试： Test for seafarers about Vessel Anchorage (CBT)
在线测试
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If an anchor in deep water seems to have bedden in, what is the best way to raise it?
Use short movements on windlass in forward and reverse directions to break the hold.
Use the windlass motor in short bursts to raise and break the hold.
Apply the windlass brake, engage the bow stopper and use the engine to move the vessel and break the hold.
Wait for the tide to turn the vessel slightly and break the hold.
Once a vessel is brought up, what is the advantage of disengaging the bow chain-stopper and allowing the chain cable to be held by the brake?
In case of bad weather, more cable can be paid out easily to increase the Scope and improve anchor holding power.
The bow stopper may get jammed by the cable link when strain increases in bad weather, requiring use of engine and windlass power to release it.
The brake has more strength than the bow chain-stopper.
Strong winds can release the bow chain-stopper.
What are the two disadvantages of the Standing Moor over the Running Moor?
回答
What are the two principal risks that could lead to injury and damage, whilst executing the Mediterranean Moor? Select two answers.
回答
What is the advantage of using 2 anchors to moor a vessel?
The vessel will not move over such a large area of the anchorage when swinging to the wind and tide.
The anchors will not drag.
In case of another vessel drifting down upon her, the vessel will hold firmly in her position.
Officers and crew can rest without having to monitor the anchor and cable.
What is the aim of letting go anchor from just above the seabed?
To reduce the risk of the cable running out too quickly.
To avoid damaging the Bitter End.
To be able to “Dredge” anchor.
To provide a dragging resistance to the ship’s motion.
What is the disadvantage of a Standing Moor over the Running Moor?
The Standing Moor usually depends upon the tide of current, whereas the Running Moor does not.
The Standing Moor can only be carried out in a confined anchorage.
The Standing Moor can only be carried out when the ship is stopped dead in the water.
The Standing Moor can only be carried out when the ship’s engine is running astern.
What is the greatest risk associated with the Mediterranean Moor?
A crowded anchorage.
Squat, in a narrow channel.
Range of tide.
Unavailability of tugs.
What is the most common procedure used for anchoring in an emergency?
Letting go anchor from outside the hawse pipe.
Walking out anchor all the way.
Letting go anchor from just above the seabed.
Using the Running Moor technique.
What is the most significant risk of letting go anchor from just above the sea bed?
The anchor may not take hold properly.
The anchor chain may foul the anchor.
The anchor may take hold whilst the ship speed is too high, and damage to equipment or injury to personnel may result.
The anchor chain may foul the hull.
What is the particular risk associated with letting go anchor from just above the seabed?
Major damage to the bow plating.
Major damage to the anchor system.
The vessel may “Squat” by the head.
The anchor may not hold in the seabed.
What is the primary risk associated with walking out anchor all the way?
Straining the windlass.
Loss of anchor cable.
Damage to bow plating.
Heat-fade of the windlass brake.
What particular precaution must be taken with the Mediterranean Moor?
The procedure cannot be carried out in a cross-wind.
Only one anchor can be used.
The mooring crew must wear safety goggles.
The propeller must be kept clear of mooring ropes at all times.
What risk is associated with using two anchors to moor a vessel?
The anchor cables fouling each other.
The vessel swinging rapidly at change of tide.
The vessel dragging one anchor.
The vessel dragging both anchors.
What risk is particularly associated with letting go the anchor from the hawse pipe?
The vessel’s bow plating could be damaged.
Communications between the bridge and forecastle will be disturbed.
Personnel will be injured.
The amount of cable run out cannot be judged.
What usually influences a ship when completing the first phase of a Standing Moor?
The ship’s engine.
Tug assistance.
Wind and tide.
Instructions from port control.
When a vessel drags anchor, why is more cable veered?
To improve the Scope, increasing the weight of anchor chain.
To reduce the vessel swinging to the wind and current.
To increase the vessel’s swinging circle at change of tide.
To drop back so that the second anchor can be let go.
When anchoring, what is the major advantage of using a Standing Moor?
It provides a greater dragging resistance to the ship’s motion.
There is less risk of straining the anchoring equipment.
It is quicker to stop the ship.
There is a reduced risk of the ship’s anchor cables from fouling each other.
When are two anchors used to moor a vessel?
When it is necessary to restrict the arc that a vessel moves through at the anchorage whilst swinging.
To make sure that a vessel does not swing at the anchorage.
To prevent a vessel from dragging anchor.
To prevent an anchor cable from taking charge, causing heat-fade of the brake lining.
When executing the Mediterranean Moor with a light cross wind, from where should the first ropes be sent to mooring buoys and bollards?
From the lee quarter to the leeward buoys.
From the windward quarter to the windward buoys.
From the lee quarter to the windward buoys.
From the vessel’s centreline to the buoys directly astern.
When executing the Mediterranean Moor, what should be the distance on the seabed between the first and second anchor?
One third the final length of cable to be paid out for each anchor.
Equal to the final length of the cable to be paid out for each anchor.
Half the final length of cable to be paid out for each anchor.
Equal to the ships length.
When executing the Mediterranean Moor, which anchor should be dropped first?
The offshore anchor.
The anchor on the vessel’s shore-side.
The port anchor.
The starboard anchor.
When executing the Standing Moor in conditions where wind and current are running across each other, which anchor should be dropped first?
The anchor on the vessel’s leeward side.
The port anchor.
The anchor on the vessel’s weather side.
The starboard anchor.
When should an anchor be let go from the hawse pipe?
Only in an emergency.
As a matter of normal practice.
When the windlass operator thinks it is necessary.
When the vessel has reached its anchoring position.
When using two anchors, if one anchor starts dragging, how can this situation be corrected?
By paying out both cables together.
By using the engine to stop the anchor from dragging.
By running the engine astern.
By allowing the first anchor to drag until both cables lead the same way, then paying out both cables together.
Where is the Mediterranean Moor used?
At a shore facility where moorings can accommodate only the stern.
Where there is limited sea room.
During emergencies in narrow channels.
At ports bordering the Mediterranean Sea.
Which of the following is the main reason for letting go anchor from just above the sea bed?
To reduce the chance of the momentum of the anchor and cable becoming too high.
To increase the holding power of the anchor.
To speed up the anchoring process.
To allow more time for the vessel to manoeuvre in the anchorage.
Which one of the following options best describes what is meant by the scope of an anchor cable?
The length of the cable compared to the length of the ship.
The length of cable below the waterline.
The length of the cable compared to the depth of water.
The length of cable above the waterline.
Which one of the following options would be the best speed over the ground when dropping anchor using the windlass brakes?
0,5 knots astern.
0 knots.
1 knot astern.
1,5 knots astern.
Which one of the following options would be the best speed over the ground when walking anchor out all the way?
0 knots.
0,5 knot astern.
Less than 0,3 knots astern.
1,5 knots ahead.
Which one of the following statements best describes when walking out anchor all the way is most likely to be used?
On vessels over 50 000 tonnes deadweight.
Only on VLCCs.
On vessels below 50 000 tonnes deadweight.
On fully loaded Panamax vessels.
With regard to walking out anchor all the way, what is the particular risk with a fully laden tanker with bow over-hang?
Difficulty in determining the anchoring location.
Difficulty in ensuring that the anchor cable is up-and-down.
Difficulty in ensuring that the anchor cable is at short stay.
Difficulty in ensuring that the anchor is aweigh.
Which three of the following are the main disadvantages of walking out anchor all the way?
回答
When unmooring from the Mediterranean Moor, which stern ropes should be cast off first?
Ropes leading to the leeward buoys.
Ropes leading to the windward buoys.
When executing a running moor in calms or when wind and current are acting the same way which anchor should be dropped first on a vessel with a right hand propeller?
The starboard anchor.
The port anchor.
What risks are associated with letting go anchor from the hawse pipe? Select all applicable answers:
回答
Этот тест охватывает вопросы постановки судна на якорь. Вопросы касаются выбора подходящего места для якорной стоянки, процедур постановки и съема с якоря, а также обеспечения безопасности судна во время стоянки.
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