Personal Survival Techniques. Test 15

What is the purpose of explosimeters?

Check the power of the explosions in a combustion engine.
Check how much time you have before an explosion.
Measure electric charging in the atmosphere.
Measure the amount of explosive gases in % of LEL.

If conditions permit, which is the best way to board a liferaft which is floating close to the ship?

Wearing a lifejacket, jump into the water close to the raft and then swim to it
Jump onto the raft itself
Use a rope ladder close to the raft to climb down and board
Jump into the water close to the raft, without a lifejacket, as this will make it easier to swim and board the liferaft

You are on night time duty as navigating officer on a ship under way, when a fire in the crew's accommodation is reported. What is the first action you would take?

Sound the fire alarm signal
Run to the scene as fast as possible and start fighting the fire by all available means
Call the Captain
Send the seaman on watch down to inspect and report the situation

When is it compulsory with emergency wires, fire wires?

At the terminals in Canada and USA?
During loading/discharging of persistent/non persistent oil?
At all terminals where tugs are available?
When requested by the terminal staff?

The smoke detector (fire indicator) indicates fire in a cargo hold loaded by general cargo. What first action should be taken?

Start the fire pumps, open the hatches and start fighting the fire by fire hoses
Inspect the scene before deciding the method to be used for fire-fighting
Close the ventilation system and other openings to the hold in order to choke the fire
Use the ship's gas extinguishing central system to put out the fire

How often should the lifeboat wire falls be turned and renewed?

Turned every 2 years and renewed every 4 years
Turned every 30 months and needs only to be renewed if the wire is in poor condition
Turned at intervals of not more than 30 months and renewed every 5 years
Renewed every three years

What kind of special safety measures are required when working on a stage aloft?

A rope around the waist, secured to the stage.
Harness with a rope secured to a safe point on the ship.
Helmet, safety shoes and gloves.
No special safety measures required.

What is an oxygen analyzer used for?

Check if the oxygen is contaminated.
Check if there is explosive atmosphere in the oxygen.
Measure humidity in the oxygen.
Measure oxygen contents in the atmosphere.

Under way to discharging port temperature tests indicate fire in a hold loaded with coal. What is the first action to be taken?

Call for assistance from other ships or rescue vessels
Fill the hold with water
Close all air ventilators and other openings to the hold in question
Open the hatches and cover the top of the cargo by foam

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