Ship Manoeuvring, Handling. Test 16 – Online Maritime Tests

In the diagram, B represents the start of a turning circle of a power driven ship in deep water with 20 degrees starboard rudder. If the ship was in shallow water, the turning circle with the same rudder angle would be _____

none of the other options.
B
A
C

You are sailing in shallow water, with 15 % underkeel clearance. How will your stopping distance and turning circle change compared with deep water?

Stopping distance longer & turning circle larger.
Stopping distance same & turning circle larger.
Stopping distance & turning circle will remain the same.
Stopping distance shorter & turning circle smaller.

The position of the pivot point when making sternway is approximately _____

amidships
one quarter of the length of the ship from the stern
one quarter of the length of the ship from the bow
one eight of the length of the ship from the stern

What is 'ship squat'?

A requirement for ships proceeding up river under low bridges
Deeper draft caused by operating in fresh rather than salt water
The sinkage and change of trim caused when the ship is proceeding with a small underkeel clearance
A slight increase in underkeel clearance

Your vessel is to turn to port in a narrow canal using one tug (turning the bow to port). In which position and how will you use the tug ? (Your vessel's engine will also be used.)

Make the tug fast aft and pull.
Make the tug fast on the port shoulder and pull.
Make the tug fast on the starboard shoulder and push.
Make the tug fast in centre bow fairlead and pull.

You are sailing in shallow water, with 15 % underkeel clearance. Coming full astern from full ahead , how will your course change compared with deep water?

The heading will most likely change by a large amount.
The heading will not change.
The heading will change only slightly.
Large change at first then changing slightly.

Overshoot is an expression used when talking about a ship's steering ability. How can overshoot be determined?

Do a 360 degrees turning circle.
Do a 540 degrees turning circle.
Do a 20/20 degree zigzag manoeuvre.
Do a standing turn.

You are berthed with a steady offshore beam wind of 30 knots. This wind suddenly increases to 60 knots. When this happens, the force pushing the vessel off the berth will be _____

quintupled.
tripled.
doubled.
quadrupled.

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