Ship Manoeuvring, Handling. Test 17 – Online Maritime Tests

Overshoot is an expression used when talking about a ship's steering ability. What does this mean?

It is the way a ship responds when moving the helm from hard to port to hard to starboard.
It is the way a ship continues to turn when the helm is put amidship.
It is the way a ship continues to turn after counter-rudder is applied.
It is the way a ship turns when the helm is put to the hard over position.

In ship handling terms, what is meant by 'sinkage'?

Sinkage is the deepest draft a vessel obtains aft when moving through the water.
Sinkage is the extra draft a vessel experiences when comparatively heavily loaded amidships.
Sinkage is the extra draft a vessel experiences when comparatively heavily loaded both ends.
Sinkage is the change of draft experienced when moving through water.

In a narrow canal, a ship proceeding at half speed ahead swings towards the port bank of the channel. As the bow approaches the bank, it would initially _____

be pulled towards the bank by bank suction
be rejected away from the bank by the pressure
be unaffected
be first pulled towards the bank, then rejected away

How is bank effect felt by a vessel?

The whole vessel is drawn in parallel to the nearest bank.
The whole vessel is pushed away parallel to the nearest bank.
The vessel's bow is pushed away from the nearest bank.
The vessel's stern is pushed away from the nearest bank.

A ship turns around a point called the 'pivot point'. What is the position of this point when the ship is stopped in the water?

Near the ship's stern.
At the ship's centre of gravity.
Near the ship's bow.
Outside of the ship's centre line.

Your ship is equipped with a right handed propeller. As you go full astern from full ahead, the ship is sheering to starboard. Is there anything you can do to reduce the change in heading?

Put the rudder hard to starboard.
No.
Swing the rudder from side to side.
Put the rudder hard to port.

In which of these vessel types is 'sinkage' likely to be most pronounced?

A vessel with a very wide beam compared to length.
A supply or anchor handling vessel.
A cargo liner.
A vessel with a high block coefficient.

You are going to leave a crowded anchorage by making a 180 degrees turn. You ship has a right handed propeller and you can turn either way. How can you make the turn using as little space as possible?

Full ahead, rudder hard to starboard.
Rudder hard to starboard, full ahead. Rudder hard to port, full astern. Repeating this maneuver until you have made the turn.
Full ahead, rudder hard to port.
Rudder hard to port, full astern. After you gain some sternway, rudder hard to starboard and full ahead.

You are on a VLCC and are approaching shallow water with an underkeel clearance of 15%. What speed should you have when entering the shallow water and when should you slow down?

About 6-7 knots, slow down 30 minutes before entering.
Maintain normal sea-speed, no need to slow down.
About 10 knots, slow down 15 minutes before entering.
Reduce to slow or less in due time before entering.

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