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Maison Tests en ligne CES Oil tanker Deck Support Test online CES 5.1 for Deck department, Support level, Oil tanker vessel
Tests en ligne : Test online CES 5.1 for Deck department, Support level, Oil tanker vessel
Test en ligne
Description
Le test consiste en des questions aléatoires sur un sujet sélectionné.
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*In which one of the following an oil, the flash point of which only needs to be over 43°C, may be used?
In the kitchen
In the main engine
In emergency generators
In inert gas generators
*How many fire hoses are required for general cargo ships of 1000 gross tonnage and upwards (not including hoses in any engine or boiler room) ?
At least one hose for each fire hydrant
At least one hose for every two fire hydrants
At least one hose for each 30 meter length of ship plus one spare
At least two hoses for each vertical fire zone
The “sensitivity” button adjusts:
AF-Gain
RF-Gain
tuning
Don't know
What is the purpose of the function "Anticlutter"sea on the radar?
Reduce disturbance from electrical equipment.
Reduce the sea echoes.
Reduce the range.
Find the TCPA.
After the start of a man overboard manoeuvre, whom shall be informed?
Chief Officer
Electrician
Engine Room
Galley
The bridge wheelman has not reported for duty and there is a suspected "Man Overboard" situation on your vessel. The ship has been searched and there is one seaman missing? The vessel turns round and retraces the course back, calling for assistance from other vessels in the vicinity. What should be the focal point for any search pattern to be established?
The focus of the search should be from the present position as he probably went overboard when proceeding to the bridge for his watch.
Determine when the seaman was last sighted and concentrate the search round the course line between the last sighting and present position, taking into account any prevailing current.
The last sighted position should be the focal point of any search pattern and all ships should keep a good lookout in that vicinity, moving outwards to the present position.
Determine the drift and leeway of own ship and take this deviation from track into account on the return course. The search should focus around this return track back to the last sighted position
Your vessel is going alongside a pier. Two tugs will assist at the mooring. How would you use the tugs, and at which position?
Pushing on ship-s flat side and make fast in the vessel for pulling if needed
One made fast forward for pulling, one pushing aft
Fast FWD and AFT in center lead
Pushing on ship-s flat side not made fast to be able to move in best position if needed
The ship is berthed in a steady offshore beam wind of 30 knots which suddenly increases to 60 knots. What will be the change of force exerted on the ship driving it off the jetty?
The force will be Doubled
The force will be Tripled
The force will be Quadrupled
The force will be Quintupled
You are sailing in shallow water, with 15% Under Keel Clearance. With full RPM, what will your speed be compared to deep water?
Faster
Stay the same
Slower
The RPM will drop with 15% of full
Searchlights must be provided for night navigation in the Suez Canal. Which of the listed requirements are correct?
Vessels with bulbous bow, LPG- and LNG-vessels must provide their own projector
All vessels must provide their own projector
Only projectors hired from the Canal Mooring and Light Company are permitted
If vessels have their own projector, an extra fee will be levied on the vessel
Your vessel has been in involved in a collision with an other vessel. As Master responsible for the ship and persons on board, what is the first step to take?
Organise someone to assess the extent of damage and the residual stability of the vessel.
Determine is there is any evidence of pollution.
Determine any injuries or deaths of persons on board
Communicate with the other ship.
When carrying LNG cargoes it is useful to have information about its thermodynamic properties. What is a common source of information that can be used to obtain values for a wide range of these properties?
The IGC code.
The cargo manifest.
Material safety data sheet.
A Mollier chart.
Which type of compressors is used as cargo compressors onboard gas carriers?
Piston, screw and centrifugal type compressors.
Oil free piston compressors.
Three stage piston compressors.
Three stage screw compressors.
On the figure there are four (4) possible definitions of the term "QUAY" given. Which one is the correct one?
Quay is given by D on the figure
Quay is given by A on the figure
Quay is given by C on the figure
Quay is given by B on the figure
During RoRo cargo operations, what must be monitored at all times where the ramps are concerned to prevent damage to the cargo
the controls are left unsecured at all times
The angle of the loading ramp is not to steep and that the ramp has not lifted of the jetty
the ramp is correctly painted
You are alongisde to load a cargo of Triethylamine. It will be supplied from shore using an 8-inch flexible hose. When securing this to the ship's manifold (header), how should the connection be made?
With a bolt in every hole in the flange, securely and evenly tightened.
With a bolt in alternate holes, securely and evenly tightened.
With a bolt in alternate holes, securely and evenly tightened, or a minimum of two G-clamps, fitted diagonally across from each other and fully tightened.
Cargo hoses should no longer be connected directly to ship's manifolds for the loading of dangerous chemicals.
During replacement of the main bearing shells on a medium speed diesel engine it is necessary to remove both the top and bottom half shells. From the options given select the method that is most commonly employed to remove the bottom half shells from the bearing pockets on an engine with a traditional bedplate?
Jack up the crankshaft and use a suitable punch to loosen the bottom half shell in the pocket so it can be lifted out with a pair of grips.
Fit a driver in the crankshaft oil hole which bears against the edge of the bottom half shell and turn the engine.
Turn the engine to a position where the crank webs are clear of the shell and knock the bottom half shell out axially using a suitable punch.
Remove the crankshaft so that all the bottom half shells can be removed at the same time.
What is the most important reason for separating a panicking passenger from the group?
It is easier to calm the person down in private.
You want to protect the panicking person as much as possible.
You don't want other passengers to hear if you have to become very strict with the panicking person.
Panic can spread and affect other passengers.
One particular group of hazardous goods is highlighted by the IMDG Code as potentially being the most dangerous for carriage. Which of the following is it?
Organic peroxides.
Liquefied gases.
Infectious substances.
Toxic substances.
Which international convention deals with maritime safety and safety equipment onboard ro-ro passenger vessels?
MARPOL
STCW
ISM
SOLAS
"If drugs or suspected drugs are found onboard your ship, follow the five C’s. Confirm, Clear, Cordon, Control and:"
Check
Chuck
Change
Cheer
For transporting a casualty with a fracture; If a Neil-Robertson stretcher is not available:
Wait for the Neil-Robertson strecher to arrive
A wide wooden board may be used
One person should lift the casualty using Fire-mans lift
Two persons should lift the casualty with great care
What is the meaning of the term “Range” of a transducer
The maximum output signal
The difference between possible maximum and minimum measurement
The maximum length of the connecting leads.
The type of measurement
An engine room rating notices that the guard on a running pump is hanging loose due to a missing bolt on the support bracket and it is catching the shaft coupling. What is the best action to take as a repair method?
Place a sheet of metal in front of the guard to deflect any parts that may fly off as a temporary repair.
Inform the watchkeeper so that the pump can be stopped and a new bolt can be fitted to permanently fix the guard in place.
Try and fit a new bolt while the pump is running to permanently fix the guard in place.
Fasten the guard back in place with a piece of rope with the pump running as a temporary repair.
What is the most common signal level from an I/P converter?
0-10V/3-15 PSI
4-20mA/3-15 PSI
0-1 mA/1-2 BAR
0-20 mA/0-20 PSI
Most medium and high speed engines for marine use operate on the four stroke cycle and use direct admission of compressed air into the cylinders for starting purposes. During which part of the cycle does start air admission normally take place?
The first part of the air induction stroke.
The latter part of the expansion (power) stroke.
The latter part of the expansion stroke.
The first part of the expansion (power) stroke.
A refrigerated container vessel described as being 'con-air' would most likely maintain perishable products by which of the following means?
By supplying fresh water to the holds for additional cooling of suitable integral units.
Electric power supplied to clip on units which are attached to the reefer containers.
Cold air delivered direct to the containers via a system of ducts.
Electric power supplied direct to the containers via connections on deck and in the holds.
Which type of reliquefaction plant can have the cooling coil placed directly in the vapour space of the cargo tank?
The single-stage direct cycle reliquefaction plant.
The two-stage direct cycle reliquefaction plant.
One type of the indirect cycle reliquefaction plants.
The cascade direct cycle reliquefaction plant.
What is one way to try to overcome people's fears about loved ones?
Inform them about the nature of the emergency.
Prevent them from looking for their loved ones.
Assure them that the crew is sweeping the entire ship for passengers.
Give them a lifejacket to put on.
How should caterpillar crawlers stowed on hatch covers be secured?
By means of wire ropes secured to the hatch covers from all four sides of the unit
By means of wire ropes secured to the main deck from all four sides of the unit
By means of wire ropes secured to the hatch coamings
By means of wire ropes secured to the hatch covers and to the main deck from all four sides of the unit
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 which are covered by a fixed fire fighting installation. For what purpose does he do this?
Remove the auto closing device so they remain in whatever position they were.
To tie them open with a rope to prevent the heat from building up inside, and making it uncomfortable to work.
To make sure that they are properly closed with the self closing device so that any fire is contained and the extinguishing medium can be released without delay.
Wedge them open with an arrangement which allows them to be closed quickly in the event of a fire.quickly.
Some ships generate electrical power at 440 Volts, but then step up this voltage to supply specific electrical equipment. One common example, may be to feed a large bow thruster. Why is this done?
A large bow thruster will draw very large currents at low voltage. Being typically remote from the generator, significant voltage drops would occur at low voltage.
The shipyard could not purchase High Voltage generating plant at the time of manufacture, so they used what was available at the time.
Manufacturers can supply High Voltage bow thrusters at less cost, and the power factor is improved.
The overall ship's electrical load does not justify High Voltage generating plant. This method allows more power to be delivered to the bow thruster at low running cost.
A record is to be made of the functions of an operational refrigerated container. Select, from the options given, the most likely method that would be used to make such a record.
The record would be made on a 'Partlow Chart'.
The record would be made on a paper printout.
The record would be made from manual checks made throughout the time onboard.
The record would be made on an electronic data logger.
You are in charge of a night bunkering operation. The delivery rate from the supplier is high and you are filling six tanks simultaneously. You loose track of the progress of the operation and feel that you are loosing control of the situation. What action should you take?
Stop bunkering, and establish facts, before bunkering is resumed
Request a reduction in the delivery rate to try and gain some time.
Prepare yourself and the crew for an overflow.
Open more tanks to slow down the filling rate of individual tanks.
The diagram shows a the symbol for a component from a hydraulic circuit. What component does it represent?
A check valve.
A throttle valve.
A pressure relief valve.
A directional control valve.
A situation arises where there is insufficient fruit cargo available to fill a cargo space. There is a cooler arrangement (cooler/evaporator/brine nest/fans) positioned at one end of the cargo space. Select, from the options given, the best method for stowage of the fruit.
Start at the end with the cooler arrangement and work away from the cooler.
Start from one side of the space.
Start from the centre of the space and work towards both ends.
Start at the opposite end to the cooler arrangement and work towards the cooler.
What is the main purpose of the superheater vent valve on a high pressure steam boiler?
To remove air from the superheater.
To contol the superheater pressure during operation.
To remove water from the superheater.
To ensure a flow of steam through the superheater when raising steam pressure or when the boiler is not on-line.
What is ‘Standardized Cargo’?
Palletised cargo
Cargo for which the ship is provided with an approved securing system
Cargo that is shipped in standard dimensions
Breakbulk cargo
What is the main purpose for taking diesel engine crankshaft deflections?
To check for weardown of the bottom end bearings.
To check for weardown of the main bearings.
To allow calculation of the load on each of the bearings.
To check that the shafting is in a straight line.
How is overfilling of the cargo tanks on a liquefied gas carrier prevented?
The tank filling valves are automatically closed if the tank overfill sensor is actuated.
Each tank has a high level alarm. This will warn the Deck Officer to shut the tank filling valve.
There is a permanently open overflow line to a slop tank from each cargo tank.
The filling valves for all empty tanks are automatically opened if any individual tank's overfill sensor is actuated.
Which of the following oil products is particularly associated with the danger of contracting leukaemia through exposure to its vapours?
Benzene
Octene
Xylene
Toluene
During a ballast voyage, the fuel consumption is noticeable higher than normal and all pressures and temperatures is normal, may the reason to this be:
Fouling of the hull
Opposing sea current
Long time since the last overhaul.
Water in the fuel.
A centrifugal pump is to be reassembled following overhaul and it is discovered that there are no spare gaskets for the pump housing. From the options given select the best alternative material to make a gasket from.
Reinforced pilot packing.
Cork gasket.
Thick rubber gasket.
Thick paper (chart paper).
What should you keep in mind when releasing lashings?
Step aside when lashings are released
Close your eyes
Release lashings with great care to reduce the risk of injury when tension is released
Always use one hand!
How is a dangerous substance listed in the IMDG Dangerous Goods List?
By its Proper Shipping Name (PSN) and subsidiary name
By its Trade Name
By its Proper Shipping Name (PSN)
By its abbreviated Trade Name
What must be ensured prior to loading heavy lift cargoes on a General Cargo Vessel?
That all double-bottom tanks are empty
That the vessel is listed to the side to which the load is to be lifted
That the vessel has a small metacentric height( GM)
That there are minimum free surface moments in tanks
Which of the following statements is correct with regard to IMDG Class 4 (flammable solids) cargoes loaded on a General Cargo vessel?
The cargo is not covered by the requirements of the IMDG Code
The goods can only be carried in the forward part of the vessel
The cargo can be stowed anywhere on the vessel
The goods require protection against movement and can only be loaded if a cargo declaration is supplied by the shipper
Medium and high speed diesel engines used for marine propulsion normally require a reduction gearbox to be fitted in order to achieve suitable output speeds for the propeller. What device is normally required in the drive arrangement in order to avoid damage to the gearing due the torque variations of the diesel engine output?
A flywheel.
A moment compensator.
A flexible coupling.
A mechanical friction clutch.
What would the Chief Officer require prior to the vessel's departure from the berth?
Prior to the vessel's departure from the berth, the Chief Officer would require the anchor to be thoroughly secured
Prior to the vessel's departure from the berth, the Chief Officer would require the crew to prepare for the voyage
Prior to the vessel's departure from the berth, the Chief Officer would require the Bo's'un to oil the moving parts of the windlass
Prior to the vessel's departure from the berth, the Chief Officer would require the windlass to be covered
When can a vessel load concentrates whose moisture content exceeds the Transportable Moisture Limit?
When proved to an Administration that there is adequate stability
When the distance to the next port is less than 200nm
When proved to an Administration that there is adequate structural integrity
When proved to an Administration that there is adequate stability as well as structural integrity
"What do crew, visitors and contractors all have in common?"
They’re all employees of the ship.
They’re all onboard the ship for the duration of its voyage.
They all have opportunity to smuggle drugs.
They’re all trained in ship emergency procedures.
When should a master agree to load a cargo of concentrates?
When he is fully satisfied that the actual moisture content of the cargo is less than the Transportable Moisture Limit (TML)
After a laboratory analysis of the cargo has been carried out
As soon as the cargo holds have been passed for loading
Once the actual moisture content of the cargo has been declared by the shipper
What is most important when using expanded square search?
Accurate navigation
Fixed rate of turn
Fixed turn radius
Constant speed
On a container vessel, what additional force must be considered when planning the lashings for containers stowed at the outboard part of the deck stow.
Lack of support from adjacent columns of containers.
The effect of green seas breaking over the containers.
The effect of wind on the containers.
The greatest transverse accelerations are experienced at the outboard sides.
You are in charge of discharging and crude oil washing a crude oil carrier.What is the maximum allowed oxygen level in the Inert Gas supply to a tank being crude oil washed (IMO)?
10%
5%
3%
8%
What criteria are used to assess a bulk carrier’s Fatigue Strength?
The option of alternate hold loading
The ship’s deadweight at the summer loadline
Midship section scantlings
Cargo density
The engine RPM drops because of:
Fuel oil pipes or filters are clogged.
High lubricating oil temperature.
Leaking exhaust valves.
Bad fuel oil quality.
During a ship to ship cargo transfer operation it is required that:
The main engine be on 1 hour notice.
None of the listed alternatives need be maintained.
An efficient engine room watch with the main engine on standby be maintained.
The main engine be on 1/2 hour notice, and no watch need be maintained in the Engine room.
What term is applied to the running of a number of cargo pumps together to discharge a homogeneous cargo from multiple tanks simultaneously up a common discharge line?
Series pumping.
Integrated discharge.
Parallel pumping.
Simultaneous discharge.
When making a small repair to the furnace refractory lining it is common to make a patch using castable plastic refractory material. Which is the best method, from those given in the options, of securing the patch to the main refractory lining?
Drill holes in the main lining and fix some anchor bolts to cast the patch around.
Cut away the damaged area to form an undercut right around the edge and fill with the plastic refractory material.
Pin some wire mesh across the damaged area and cast the patch over it.
Make a smooth hollow in the damaged area and fill with the plastic refractory material.
When should a crane or derrick sheave be replaced?
When wear down in the groove exceeds 20% of the wire rope diameter
When wear down in the groove exceeds 25% of the wire rope circumference
When wear down in the groove exceeds 25% of the wire rope diameter
When wear down in the groove exceeds 20% of the wire rope circumference
What is most important when preparing a cargo hold to receive containers?
Ensuring that stacking cones are correctly positioned
Removing all loose equipment
Sweeping the tank top
Checking for cracks in tank top plating in areas where stack loads are transmitted
Normally, a vessel sails in salt water and therefore salt water draughts are those which are referred to. If there is a change in density however, this must be taken into account because the true draughts of the ship will change. Which of the definitions below is that of this "Fresh Water Allowance"?
The number of millimetres by which a vessel's True Mean Draught changes when she passes from salt water into a dock of a different water density.
The number of millimetres by which a vessel's True Mean Draught changes when she passes from salt water to fresh water, or vica versa.
The allowance assigned by the Classification Society when the vessel is built, to indicate the compensation that may be applied during topping off to allow for dock water density.
The number of centimetres by which a vessel's maximum draught is calculated to increase when she passes from salt water to fresh water.
A three phase alternator is connected singularly to the main switchboard. The switchboard instruments show 400 Volts/500 amperes. With a power factor of 0.5 what will be the kW load?
100 kW
57.5 kW
250 kW
173.2 kW
While getting tools ready and preparing for overhaul work on the main engine the engine room rating notices that the electrical extension is damaged. A small section of the cables outer insulation is split although the inner insulation appears ok. What action should the rating take?
Carry on using the extension after wrapping insulation tape over the damaged section as it is only minor damage.
Just use the extension as it is since the damage is only to the outer insulation and the inner insulation appears ok.
Cut off the end of the cable including the damaged section and refit the plug to the end of the remaining cable before using the extension.
Label the damaged extension as unfit for use and return it to the store for testing and get a replacement extension.
Which one of the following liquefied gas cargoes is considered as presenting a toxic hazard according to the IMO Gas Codes?
Butane.
Ethylene.
Propane.
Ammonia.
Where do you find detailed information and specific technical requirements for fire safety systems?
SOLAS
ISM Code
Fire Safety Systems Code (FSS Code)
Safety Management System
Which electronic component or system of components is this graphical symbol illustrating ?
Battery charger
Auto transformer
Inverter
Low pass filter
After discharge of a bulk cargo by grabs, tank tops and lower hopper side plating must be checked for ?
Rusting
Damage and possible leaks
Paint coating loss
Cargo residues
With reference to the text in the frame: what is stated as a threat to lives at sea and the marine environment?
There is no immediate threat to the crew or environment
All old or new ships which are badly managed ships.
All ships aged between twenty and thirty years old.
Bad management and poorly maintained older ships.
A new reefer vessel is described as having 'Cargo spaces lined with stainless steel, refrigeration supplied by circulating cold air around the outside of cargo spaces, no hatches on deck and one light crane'. Which of the vessel types given in the options is the most likely type being described?
A vessel designed for the carriage of fish at very low temperatures.
A vessel designed for the carriage of specialised fruit.
A vessel designed for the carriage of orange juice in bulk.
A vessel designed for carriage of chilled meat products.
On the figure 4 possible definitions of the term "FORECASTLE" are given. Which one is the correct one?
Forecastle is given by C on the figure
Forecastle is given by B on the figure
Forecastle is given by A on the figure
Forecastle is given by D on the figure
The design features of a container ship with pronounced bow flare, a wide flat transom stern and wall sided amidships section contribute to what occurrence?
Excessive pitching
The ability to shed water very quickly off the decks
Large angles of heel with a large GM
Parametric Rolling
When a solid cargo that does not present a hazard is offered for shipment but is not listed in the International Maritime Solid Bulk Cargoes (IMSBC) Code, what information must the competent authority at the load port present to the Master?
Cargo handling instructions
All
The cargo characteristics
The required conditions of carriage
Which of the following answers would most appropriately describe shell plating damage to the vessel?
"My vessel has sustained damage to shell plating in way of No. 3 cargo hold"
"My vessel has sustained damage to shell plating below the waterline"
"My vessel has sustained damage to shell plating above the waterline"
"My vessel has sustained damage to shell plating below the waterline in way of No. 3 cargo hold, starboard side"
What is usually the effect on G when the ship is damaged?
It rises.
It first rises and then lowers.
It is unchanged.
It lowers.
What means of communication shall be provided to each member of the fire patrol?
A two-way portable radio
A mobile telephone
Telephones in public spaces
Emergency telephones and Public Address system
By what means can we monitor and control the integrity of the hull?
The chief officer is responsible for monitoring the integrity of the hull and superstructure at all times
Let experienced personnel close and secure doors and ramps
Automatic detection systems, television surveillance and patrolling of ro-ro cargo spaces
Documented operating procedures
On a hold inspection of a Bulk Carrier it is noted that a number of transverse frame beam knees are slightly distorted; what is the significance of this?
The distorted areas should be painted
There are no concerns with this observation
This is an indication of excessive bending moment stress
This indicates the vessel is suffering racking stress and is potentially serious
At which of the pressures shown should the low oil pressure trip operate on a freon compressor?
+ 1.0 bar
- 0.5 bar
+ 10 bar
+ 5.0 bar
You will be at sea for 45 days with a crew of 30 men. How many tomatoes would you buy?
35 kg
60 kg
50 kg
70 kg
After discharge of a cargo of bananas there are a lot of cartons of condemned fruit on the deck. The vessel is not in a special area and is more than 100 miles from land. Select from the given options the best way to dispose of the condemned fruit.
Remove and retain all of the packaging including any inner plastic bags and dispose of the condemned fruit overboard.
Keep the cargo onboard until the vessel enters a port with suitable disposal facilities.
Dispose of the complete cartons of condemned fruit overboard and make an entry into the Garbage Disposal Log.
Keep the fruit for crew consumption and dispose of the packaging.
Which component does this graphical symbol illustrate?
Level switch for centre-tank
Local level controller with indicator
Low carbon incinerator
Remote level controller with indicator
In the Beaufort Scale of Wind Force, what is the Beaufort number associated with the wind force known as a "Gale"? This should not be confused with a "Near Gale" or "Strong Gale"
Ten (10)
Nine (9)
Eight (8)
Seven (7)
In the diagram, which letter is pointing at the area known as the "BOW" of the ship?
The Bow is indicated by A, in the figure
The Bow is indicated by D, in the figure
The Bow is indicated by C, in the figure
The Bow is indicated by B, in the figure
How many rescue boats should be provided on ro-ro passenger ships of 500 gross tons and above?
Two, and at least one of the rescue boats shall be a Fast Rescue Boat
One Fast Rescue Boat
Two Fast Rescue Boats, one on each side of the ship
None providing the ship has lifeboats
We can observe gray/white smoke from an exhaust pipe in the funnel (from a 4 stroke engine).The possibilities are:
The engine is thermally overloaded.
The engine is burning lubrication oil.
Broken fuel injector valve.
Water leaking into the combustion chamber.
When patrolling the car deck during a voyage you should observe the following elements:
Check that fire hoses are connected to the fire hydrants
Any abnormalities such as leakages, fumes, smoke or fire. Check if the lashings need to be tightened on lashed cargo.
heck if all the lights are switched off and the doors are closed
Smoke or fire
The wooden hatch gratings (Warkhaus boards) use on the deck of some conventional reefer vessels can become badly damaged during cargo operations, particularly when forklift trucks are being used. Which one of the actions given in the options is the most appropriate to take when considering repairs to these gratings?
Cut a new board into small pieces to repair as many damaged boards as possible.
Use heavy plywood or strong timber to make the repairs.
Use a whole new board whenever possible to achieve the greatest strength.
Use boards that have been previously removed and repaired.
What would be considered to be the normal service life for rolling contact bearings fitted to a large turbocharger for a diesel engine?
At least 30000 hours.
20000 - 25000 hours.
8000 - 12000 hours.
1000 - 3000hours.
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.