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Maison Tests en ligne CES Gas tanker Deck Support Test online for seamans about Deck department, Support level, LNG Tanker (CES v6.0)
Tests en ligne : Test online for seamans about Deck department, Support level, LNG Tanker (CES v6.0)
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When keeping a lookout, what would be the correct understanding of the question “What is the aspect of the other ship”?
The questions is requesting some idea of how far away the other ship is from your own ship.
The question is requesting where on the horizon the other ship was sighted.
The question is requesting some indication of the direction the other ship is heading.
The question wants to know what type of ship has been sighted.
What is the normal name of the special wire/rope on board the ship used to make a tug fast?
Tugs wire.
Tugs rope.
Towing spring.
Mooring wire.
What does the term “Hard a Starboard” or “Hard to Starboard” mean?
The wheel is difficult to turn to starboard.
Put the wheel fully over to starboard.
Do not allow the vessel to swing to port.
Start the ship swinging to starboard.
What is the inherent danger in welding/cutting in piping containing freon?
Development of explosive gases.
Depletion of oxygen in the air.
Depletion of the ozone layer.
Development of nitrous gases.
When two ships are lying alongside each other in a ship to ship operation and one ship is lying at anchor, anchor watch duties must be carried out as follows:
Anchor watches are not kept as the duty officers will be on deck conducting the cargo operations.
Anchor watch responsibility rests with the vessel which has its anchor down and the ship to ship connections is the responsibility of the other vessel.
Anchor watch responsibility rests with the discharging vessel which would be the vessel which is anchored.
Both ships have normal anchor watch responsibility in addition to watching ship to ship fendering, mooring etc.
When you are on watch during a stay in port, what should you always ensure is ready at the head of the gangway?
Notice board stating the sailing time of the ship.
A telephone to contact shore terminal control.
Life buoy with line.
Notice Board giving name of ship and company.
What is flashpoint of an oil or liquefied gas?
The flash point for an oil or liquefied gas is the temperature at which it is possible to ignite the vapour above the liquid.
The flashpoint is the temperature needed to have a oil or liquefied gas pumpable.
The flashpoint is the temperature the oil or liquefied gas need for self ignition.
The flashpoint is the mixture of oxygen and hydro carbons needed to have an oil or liquefied gas to burn.
What do you understand by the term “Lee Side”?
Lee Side is the side that faces the wind.
Lee Side is the side that faces away from the wind.
Lee Side is the Starboard side of the vessel.
Lee Side is the Port side of the vessel.
What class of fire is a smouldering fire of wood, textiles, paper and other carbonaceous materials?
Class A.
Class B.
Class C.
Class D.
Anyone of the crew who is assigned to watch duties in port has a number of important tasks to carry out. Which one of the listed tasks should be included in the watchman’s duties?
Check there is always a shore watchman on the jetty.
Check the safe and secure handling of cargo.
Check the number of persons joining and leaving the vessel.
Check the moorings for correct tightness and ensure the gangway remains safe and secure.
What should be the first action taken in the event of a liquefied gas jet fire onboard an LNG carrier?
Evacuate the area.
Cool down the surrounding areas and extinguish the fire.
Extinguish the flames with water jets.
Raise the alarm and initiate the ESD procedures for cargo operations.
When reeving a new wire onto a self-stowing winch drum you should, after looking at brake arrangement, reeve it to pay out as follows:
Depends on the direction of the lay of the wire strands in the new wire.
Either direction is acceptable.
Direction A.
Direction B.
On the figure there are four (4) possible definitions of the term “BREADTH” given. Which one is the correct one?
Breadth is given by A on the figure.
Breadth is given by B on the figure.
Breadth is given by C on the figure.
Breadth is given by D on the figure.
In the diagram, which arrow is pointing at the position known as the “Bridge”?
The Bridge is indicated by B, in the figure.
The Bridge is indicated by C, in the figure.
The Bridge is indicated by A, in the figure.
The Bridge is indicated by D, in the figure.
The figure shows the cross section of a ship floating in water with the hull coloured in red and the seabed below the vessel shaded. On this figure there are four (4) possible definitions of the term “UNDERKEEL CLEARANCE” given. Which one is the correct one?
Underkeel clearance is given by B on the figure.
Underkeel clearance is given by C on the figure.
Underkeel clearance is given by D on the figure.
Underkeel clearance is given by A on the figure.
Which is the “STARBOARD BOW”, in the figure?
The Starboard bow is indicated by B, in the figure.
The Starboard bow is indicated by C, in the figure.
The Starboard bow is indicated by A, in the figure.
The Starboard bow is indicated by D, in the figure.
What indicates “MIDSHIPS” in the figure?
Midships is indicated by A, in the figure.
Midships is indicated by B, in the figure.
Midships is indicated by C, in the figure.
Midships is indicated by D, in the figure.
What is the meaning of this symbol?
Rescue boat.
Davit-launched liferaft.
Liferaft.
Lifeboat.
During restricted visibility, you are posted as bridge lookout and you hear 1 long blast at intervals of about 2 minutes on your port bow. What will you report to the OOW (officer on watch)?
Power driven vessel under way and making way on the port bow.
A vessel at anchor on port bow.
Fog signal of one long blast heard on the port bow.
Power-driven vessel making no way on port bow.
If you are the helmsman on duty, what would be the correct action if the OOW (officer on watch) gives you the order to: “Change over from Automatic pilot to Hand steering”.
Standby the wheel and wait for the OOW to apply the appropriate controls to change from Automatic pilot to hand steering.
Apply the appropriate controls to disconnect the Automatic pilot and engage hand steering. Start manually steering the same course as was being steered by the automatic pilot.
Apply the controls to disconnect the Automatic pilot and engage hand steering. Start steering the vessel using the wheel and confirm with the OOW the change-over is complete and the course you are to steer.
What will you do if you are helmsman and the OOW (officer on watch) gives you the order: “Port 20” and after a while the order: “Ease to 10”?
Apply 20 degrees of rudder towards port and then after the second command reduce the wheel to 10 degrees of helm.
Apply the wheel to alter the course 20 degrees to port and then after the second command change the heading a further 10 degrees.
Change the compass course to a new heading which is 20 degrees to port of original heading and then after the second command reduce it to only 10 degrees to port of original heading.
Turn the wheel until the rate of swing of the ship is 20 degrees per minute and then after the second order, reduce the wheel to make it swing at only 10 degrees per minute.
How should you, as helmsman, give feedback to the OOW (officer on watch) that his orders are understood?
By saying “OK”.
By saying “Yes Sir”.
By repeating the order.
You don’t have to give any feedback.
The fire point is:
The minimum temperature at which a combustible gives off vapours that may burn in contact with oxygen in air, and at which combustion persists once the source of ignition has been removed.
The maximum pressure that will be reached when a given combustible burns into an enclosed space.
A process of chemical decomposition by oxidation-reduction at unusually high temperature, in areas with slight ventilation.
The minimum temperature at which a combustible gives off vapours that may burn when they are in contact with oxygen in air, when there is a presence of activation energy; but with no capacity of maintaining combustion.
In order to extinguish a flammable liquid of the same kind as alcohol, we can use:
Sprayed water.
Water.
Water and foam.
Anti-alcohol foam.
Give the meaning of the following symbol:
Secondary means of escape.
Primary means of escape.
A class division.
Main vertical.
Which of the following may cause a fire in the accommodation spaces?
Smoking in bed.
Overloading electric plugs.
Covering electric heaters with blankets.
All the mentioned alternatives.
Give the meaning of the following symbol:
Sprinkler section valve.
Area protected by sprinkler.
Fire pump.
Fire alarm panel.
Give the meaning of the following symbol:
B class fire door self-closing.
A class fire door self-closing.
Foam valve.
Closing appliance for exterior.
Give the meaning of the following symbol:
Lifebuoy with line.
Lifebuoy with line throwing appliance.
Lifebuoy with light and smoke.
Lifebuoy with light.
If conditions permit, which is the best way to board a liferaft which is floating close to the ship?
Jump onto the raft itself.
Lifebuoy with light and smoke.
Use a rope ladder close to the raft to climb down and board.
Lifebuoy with light.
Which of the following actions should be done before throwing this type of inflatable liferaft over the side?
Check that the painter is made fast to a secure point and that the sea below is clear.
Disconnect the painter and launch it, checking that all is clear below.
Inflate it on deck and then launch it if clear below.
Take circular gripes and adhesive tape off the container to enable raft to inflate once in the water. If all clear, throw raft over side.
A lifejacket has sufficient buoyancy and stability to lift the mouth of an unconscious person at a minimum of:
40 mm above the water (in calm water).
120 mm above the water (in calm water).
160 mm above the water (in calm water).
180 mm above the water (in calm water).
You have abandoned ship in a liferaft. In most cases, which of the following actions should you generally take?
Organise a lookout system. Join up with other survival craft if possible. Stream the sea anchor.
Join up with any other survival craft and stream the sea anchor.
Start paddling in the direction of the nearest land.
Organise a lookout system.
What signal, if any, is specified in SOLAS as the “Abandon ship” signal?
The “Abandon ship” signal is not specified, only the general emergency alarm signal is stated.
Six short blasts followed by one long blast.
Four long blasts.
Seven short blasts followed by one long blast.
How should the painter of a liferaft which is fitted with a hydrostatic release be secured to the ship?
Secured to the part of the hydrostatic release that is designed to break free.
It should not be secured in any way.
Secured via a weak link to a secure part of the ship.
Directly to a secure point on the ship.
During a bomb search, which of the following is an important principle to follow?
Throw any suspicious items overboard.
Try to reach behind bulkheads to find a bomb.
Do not touch any suspicious packages.
Know exactly what a bomb looks like.
The best way to identify an IED is to:
Recognize its components.
Measure the size of the object.
Shake the object.
Weight the object.
What is the normal temperature for carrying methane in the cargo tanks of an LNG carrier?
-162 °C.
-43 °C.
-104 °C.
-27 °C.
What is the typical size of a LNG carrier?
75 000-80 000 cbm.
200 000-250 000 cbm.
12 000-50 000 cbm.
125 000-145 000 cbm.
When connecting and disconnecting LNG cargo lines extreme care must be taken to avoid skin contact with the LNG cargo, especially the liquid. Why is skin contact with liquid LNG likely to have much more severe consequences than skin contact with LNG vapour?
The liquid LNG has a much greater cooling effect as it vaporises in contact with bare skin which may result in severe frostbite.
LNG liquid is highly corrosive and may result in severe chemical burns.
The LNG liquid is highly flammable and may spontaneously combust as it contacts the skin.
The temperature of the liquid LNG is always 30 to 40 °C lower than that of the vapour giving a greater risk of frostbite.
What are the compressors fitted as part of the cargo system onboard LNG carriers normally used for?
Removing boil-off gas.
Inerting and gas freeing the cargo tanks.
Discharging the cargo.
Loading the cargo.
Which of the following hazard risks generally apply to the carriage and handling of LNG and its vapours?
Flammable, Asphyxia and Frostbite.
Flammable, Toxic and Frostbite.
Flammable, Toxic and Corrosive.
Flammable, Corrosive and Frostbite.
What is the normally accepted maximum allowable filling limit for the cargo tanks on an LNG carrier?
90 %.
95 %.
98 %.
100 %.
Boil-off gas is produced when carrying LNG cargoes due to heat leakage across the insulation of the cargo tanks. What is the most common way of dealing with the LNG boil-off gas?
It used as fuel for the ship.
It is vented off to the atmosphere.
It is liquefied and directed back to the cargo tank.
It is stored onboard and returned to shore through the vapour line when the vessel is in port.
What general background colour is used on warning signs that indicate emergency or first-aid features, or indicate a safe condition?
Yellow.
Green.
Blue.
Red.
What general background colour is used on warning signs which require a specific “mandatory” action, such as one which might require the wearing of goggles during a particular work task?
Blue.
Yellow.
Green.
Red.
What do you understand by the order: “Move the pilot ladder to the other side”?
Move the pilot ladder to the other side, means: to shift the pilot ladder to the opposite side of the ship.
Move the pilot ladder to the other side means: to change the position of the pilot ladder from the main deck to the fore deck.
Move the pilot ladder to the other side means: to rig another pilot ladder.
Move the pilot ladder to the other side means: to move the pilot ladder further along nearer to the bow.
How would you alert others onboard if you saw a person falling overboard?
If I saw a person falling overboard I would inform the Bosun.
If I saw a person falling overboard I would run to the Bridge.
If I saw a person falling overboard I would shout repeatedly, “Man overboard”.
If I saw a person falling overboard I would shout once, “Man overboard”.
Whenever there is a major bleeding, the first priority should be to:
Stop the bleeding.
Raise an alarm.
Call the doctor.
Take the pulse of the patient.
If a patient is bleeding from nose:
Pinch soft part of the nose for 10 minutes while keeping the head forward over a basin.
Ask the patient to lie flat on the floor.
Let the blood stop by itself.
Put a piece of swab or gauze in the nose.
During bunker operations, oil response equipment is to be:
Ready for immediate use.
Used elsewhere in the ship.
In its store room.
In the cargo pump room.
Which of the following substance is ozone-depleting?
Halons.
Ammonia.
Neon.
CO2.
LNG carriers often operate between two fixed ports. Why is there likely to be a significant difference in the amount of LNG onboard arriving at the discharge port compared to the amount onboard departing the loading port?
Part of the cargo is used as ship’s fuel in the form of boil off gas.
Inefficient reliquefaction plant operation means only some of the vapours are recovered.
Normal leakage through the cargo containment system leads to loss of cargo.
The vapours are constantly vented to atmosphere.
Liquefied natural gas (LNG) is often referred to as natural gas or marsh gas. What is another common name for LNG?
Methane.
Butane.
Ethane.
Propane.
Which of the given statements can be considered as the most accurate according to the IMO Gas Codes and other LNG industry standards?
Methane is considered as presenting a flammable hazard and may also be an asphyxiant.
Methane is neither toxic nor an asphyxiant gas.
Methane is considered as presenting both flammable and toxic hazards.
Methane is considered as presenting a toxic hazard and may also result in a chemical burn in contact with the skin.
What is the main use for polyurethane foam onboard an LNG carrier?
As insulation for the cargo tanks.
As a sealant for deck openings.
As a fire fighting medium.
As a fire retardant coating for the deck.
Why is it necessary to cool down LNG cargo tanks slowly prior to loading cargo?
To minimise thermal stresses in the cargo tank.
To minimise the risk of creating a vacuum in the tank.
To prevent ice forming in the cargo tank.
To minimise stresses in the hull.
When would gassing-up of cargo tanks on an LNG carrier normally be necessary?
To remove inert gas or nitrogen from the cargo tank atmosphere.
Prior to loading each cargo.
When the tank atmosphere needs to be made inert.
During each ballast voyage.
Gases, including methane, cannot normally be liquefied using pressure alone once they are at or above a certain temperature. What is the term used for this temperature?
Critical temperature.
Liquid temperature limit.
Auto liquid temperature.
Flash point.
What is the meaning of this symbol?
Lifebuoy.
Lifebuoy with line.
Lifebuoy with light and smoke.
Lifebuoy with light and smoke.
Give the meaning of the following symbol:
Area protected by Halon 1301.
Area protected by drenching system.
Sprinkler installation.
Area protected by sprinkler.
The current test includes Seagull CES questions on the topic of «Deck, Support, LNG». These questions are designed to assess the competence of specialists in preventing accidents related to transport safety and can also be used for self-assessment.
The «Support» subject provides both theoretical and practical knowledge essential for advanced training on any type of vessel. Mastery of this information directly reflects the competence of individuals in relevant positions on Liquefied Natural Gas (LNG) Carriers. Those in the Deck Support department on an LNG Carrier are responsible for various crucial tasks that ensure the vessel's safe and efficient operation. Their duties involve assisting with LNG cargo handling, ensuring proper securing and monitoring during loading and unloading, and participating in safety drills and emergency response procedures. Additionally, Deck Support personnel contribute to the overall maintenance and cleanliness of the deck area, strictly adhering to the safety standards specific to LNG transportation.
- Version: 5.2.8.
- Test type: STCW.
- Department: Deck.
- Level: Support.
- Vessel type: Liquefied Natural Gas Carrier.
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