Ship Manoeuvring, Handling. Test 19 – Online Maritime Tests

In ship handling terms, which of these overtaking situations is the most dangerous?

A small vessel overtaking a large vessel with little difference in speed between the two vessels.
A large vessel overtaking a small vessel with little difference in speed between the two vessels.
A large vessel overtaking a small vessel with a big difference in speed between the two vessels.
A small vessel overtaking a large vessel with a big difference in speed between the two vessels.

In relation to squat effect, which of the following statements is incorrect?

Squat results in a decrease in underkeel clearance.
Squat results in a decrease in ship's draft.
Squat can be a serious problem for deep draft ships.
Squat results in an increase in ship's draft.

What would you say about a ship which is course unstable?

When you apply rudder, she will continue to turn long after the rudder is returned to amidships.
She will require large rudder angles to maintain course.
When you apply rudder, she will take time before answering.
When you put rudder amidships, she will quickly return to a straight course.

A tug is connected by a line at your bow. Will the bollard pull be the same at any speed? Choose the most complete answer.

No, when the speed exceeds 5 knots the tug will not be of much help.
No, when the speed is increasing, the bollard pull is also increasing.
No, best use of a tug is made when the ship is going astern.
Yes, the bollard pull is the same at any speed.

The rudder is in the hard over position, propeller stopped. The ship is turning slowly. What can be done to make her turn faster without increasing forward speed?

Give a kick ahead.
Give full astern until the ship has stopped, then full ahead again with the rudder hard over.
Give slow ahead.
Give half astern.

Your ship is making sternway of about 1.5 knots, with rudder hard to starboard. Will this rudder position have any effect on the ship's behaviour? Choose the most complete answer.

Yes, it will give the stern a lift force to starboard.
Yes, it will give the stern a lift force to port.
No, the ship will go straight astern.
No, the rudder will have no effect when the ship is making sternway. It should be in amidships position when going astern.

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