Navigation Watch. Test 6

Before leaving the machinery spaces of a UMS vessel after routine watchkeeping rounds in the evening, the duty engineer inspects the doors to Fuel Oil Treatment rooms covered by a fixed fire fighting installation. For what purpose does he do this?

Fasten them open with a hook arrangement to allow for closing them quickly.
Close them to prevent the spread of fire, and allow the extinguishant to be released without time wasting.
Tie them open with a rope to prevent the heat from building up inside, and making it unconfortable to work.
Remove the auto closing device so they remain in whatever position they were.

In the lubricating oil system on an auxiliary diesel engine a duplex filter unit is used because:

Clogging of the filter will not occur.
Changing of filter element would not interrupt the engine operation.
It gives a better filtration of the oil.
Pressure drop is half of a single filter unit.

Before leaving the machinery spaces of a UMS vessel whose engine room is covered by a fixed CO2 installation, should the duty engineer:

Ensure all doors are in closed position.
Any of the listed alternatives.
Leave the doors in whatever position they were in.
Hook the main entry/exit doors in the open position.

When out of sight of land, what is the principal threat to the ship?

To be late due to bad weather
To have a collision with another ship
To have an engine breakdown which requires assistance
To end up on the wrong course and, as a result, consuming to much fuel

How should the anchor be positioned when a ship is due to anchor in a river with a strong current?

It should be ready to drop at any time from it's normal secured position.
It should be properly secured to prevent damage _____
It should be lowered to just below the water level.
It should be lowered to just above the water level.

When on duty, or working in a cargo deck stowed with containers and you want to have a cigarette, what do you do?

Carefully smoke outside the container stowage?
Walk to a smoking area inside the accomodation?
Smoke close to an entrance?
Just lit a cigarette?

A clogged / dirty lube oil filter can be detected best by:

High lube oil temperature.
The pressure drop across the filter.
Visual inspection of the filter elements.
A decrease in oil viscosity.

The International Regulations for Prevention of Collision at Sea includes _____

rules for the proper use of navigational aids.
instructions for keeping the radar log.
instructions on action to take while plotting a ship by radar.
instructions for the use of the radio in fog.

Apart from ensuring navigational safety at anchorage, what should the OOW do?

Check that the engineer on watch is in the engine room.
Direct the lookout to do maintenance work.
Monitor the VHF for orders for the vessel.
Have all bridge equipment cleaned.

Review Answers

Navigation Watch. Test 6

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