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Maison Tests en ligne CES Dry cargo Deck Support Test online CES 5.1 for Deck department, Support level, Dry cargo vessel
Tests en ligne : Test online CES 5.1 for Deck department, Support level, Dry cargo vessel
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Le test consiste en des questions aléatoires sur un sujet sélectionné.
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You wish to send a message via an Inmarsat-C installation to an Inmarsat-A telex installation. The message is composed in ‘ASCII’. The message can be sent:
as a telex
can not be sent
as a fax
Don't know
The following information must be given on the SART:
Date of replacement of the battries
The date of replacement of the hydrostatic release unit
The name of the operator
The MMSI number sent
When stripping a tank, if excessive air is allowed to be drawn into the suction line, which of the following may occur?
Control of the operation will be lost and the tank will rapidly empty.
The pump will "race" and there will be a loss of suction.
The cargo pump impeller will stop rotating.
The back pressure will increase.
Your vessel is to turn in a narrow canal by use of one tug (turn to port with the bow). In which position and how would you use the tug? (Vessels engine will also be used).
Make the tug fast aft for pulling
Make the tug fast on port shoulder to pull
Make the tug fast in centre bow fairlead for pulling
Make the tug fast on starboard shoulder to push
If you are required to splice an eye on a mooring wire (using the recommended 5 full tucks and 2 half tucks) the effective breaking strength of the wire will now be affected by the splice, and you would expect:
A reduction in strength of 30 % to 40 %.
A reduction in strength of 1% to 5%.
A reduction in strength of 10 % to 15 %.
No reduction in strength.
How will the ship behave if you have a "black out" in the situation illustrated?
The vessel will turn to starboard and the speed will slowly reduce.
The vessel will turn to port and the speed will reduce gradually
The wind will push the vessel sidewards, but the heading will not change
The vessel will continue on course and the speed will slowly reduce
Which of the following hull shapes would normally provide a directionally stable ship?
A long ship with a wide beam
A short ship with a wide beam
A long ship with a narrow beam.
A short ship with a narrow beam
In the situation illustrated, what should be the distribution of the power requirements from the tugs, if the ship is to be moved sideways without changing the heading? Both tugs have similar bollard pull and are of conventional propulsion.
Much greater power on the forward tug than on the after tug while monitoring the gyro heading
Equal power required by both tugs, but monitor the gyro heading to ensure sideward movement only
It would be very difficult to predict the power requirements in this circumstance and it could only be found by observation.
Much greater power on the aft tug than on the forward tug while monitoring the gyro heading.
Which one of the listed requirements for passenger ships regarding personal life-saving appliances do not correspond to present regulations?
All lifejackets shall be fitted with a whistle, a light and a smoke signal
Ro-ro passenger ships shall carry at least 2 lifebuoys provided with self-igniting lights an self-activating smoke signals
All lifejackets shall be fitted with reflex, a whistle and a light
The 5% extra lifejackets carried on board have to be stowed in conspicuous places on deck or at the muster stations?
By which method is the Vapour Pressure of Crude Oil determined?
The ASTM Elementary Assessment Method.
The API Open Cup Laboratory Method.
The Reid Closed Test method.
The True Vapour Pressure value is always used.
What will alarm cargo receivers to the possibility of cargo damage on a Bulk Carrier?
Commencing discharge without presentation of bills) of lading
Disallowing cargo interests on board
Commencing discharge in the absence of a cargo surveyor
The presence of hatch cover sealing tapes
What is the requirement regarding number of slop tanks on oil tankers of 70,000 tons and above delivered after 31 December 1979?
Shall be provided with at least 2 slop tanks.
Shall be provided with slop tank.
No requirement regarding number of slop tanks.
Shall be provided with sufficient number of slop tanks.
Training manuals for Life Saving Appliances and Fire Fighting systems and equipment shall be provided in crew mess room, recreation room or in each crew cabin. The training manuals shall explain the following in detail:
Emergency procedures including alarm signals, general instructions and safety practice onboard, specific information on equipment, operation of equipment
Manufacturer's specific information on equipment including maintenance procedures, operation of equipment
General Emergency procedures
Alarm signals and donning of lifjackets
Does OPA90 apply to vessels engaged in carrying liquefied gas?
Only if the carrier carry HC-products.
OPA90 apply to all ships.
OPA90 apply only to oil tankers.
OPA90 apply only to non-American flag vessel.
Temperature sensors may be marked PT100. What does this mean?
100 ohm at 0° C
20 ohm at 100° C
100 ohm at 20° C
0ohm at 100° C
Ordinary thyristors (SCR) must often be protected against reverse overvoltage transients because even over-voltages of extremely short duration can destroy them. These circuits have been given such over-voltage protection, but only one of them is correct. Which?
Figure 2
Figure 3
Figure 1
Figure 4
On a Container vessel, with regard to fire precautions, what must be ensured prior to securing hatch pontoons?
That the duty officer's permission has been obtained to secure the pontoons
That the cargo hold fire fighting system has been checked
That under-deck cargo operations have been completed
That all cargo clusters have been removed from the hold
Car decks on board ro-ro passenger ships are nomally closed during sea passage. Why are passengers not allowed to be on the car-deck during sailing?
Vehicles and other cargo can shift when the ship is rolling. Persons may be trapped between vehicles or cargo.
f the car decks are empty, it will be easier for the crew to locate all passengers in case of an emergency
To prevent burglary and damage to cars
In case of an emergency situation it can be difficult for passengers to escape. Vehicles, lorries, trailers and other cargo are maybe lashed and it is a substantial chance for passengers to get injured. Vehicles and other cargo might also shift when the ship is rolling.
What English name is given to all the plates, cups, saucers, serving dishes, etc?
Cuttlery.
Servery.
Crockery.
Stockery.
What could be the reason if the lub oil viscosity increase?
High lub oil temperature.
The lub oil viscosity will not increase.
Water-leakage to the lub oil system.
Heavy fuel oil leakage to the lub oil system.
What charateristics of Seed Cake group B (IMDG Class 4.2) cargo should be considered when carrying in bulk?
The only concern is that the cargo may self-heat slowly.
The only concern is the cargo may be liable to oxidise, causing subsequent reduction of oxygen in the cargo spaces
The only concern is that the cargo may be liable to spontaneous combustion.
Cargo may self-heat slowly; may spontaneously ignite; liable to oxidise; may produce carbon dioxide
What is an effective means of measuring total dissolved solids in boiler water?
Not possible to test solids in boiler water.
Alkalinity test.
Chloride test.
Conductivity test.
There has been an accident at the manifold and one of the crew has swallowed a quantity of unidentified chemical. What is the correct medical term for this?
Inhalation.
Infusion.
Absorption.
Ingestion.
What is important to prepare prior to a helicopter operation?
To stop the vessel completely
Make sure all loose deck equipment at helicopter deck is stowed away and secured.
To increase the speed of the vessel
To light up the area for pick-up
What is the time limit for abandonment of passenger ships?
There is no time limit
30 minutes from the time the abandon ship signal is given
2 hours from the time the abandon ship signal is given
15 minutes from the time the abandon ship signal is given
On a Container vessel, what can cause large loads in lashings when containers are secured to a lashing bridge?
The lashing bridge is flexible but the hatch covers are fixed, causing the lashings to go alternately slack and tight
The lashing bridge is fixed but the hatch covers move when the ship rolls and pitches, causing the lashings to go alternately slack and tight
Due to flexibility of the hatch covers
Due to inflexibility of the lashing bridge
You have to choose one of the following instruments for measuring pressure in an air bottle in measuring range 0 - 35 BAR. Which instrument would you install?
U-type H2O manometer
U-type Hg manometer
Bellow type manometer
Bourdon Tube manometer
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.
The figure shows a silicon controlled rectifier with a RC circuit connected in parallel. RC circuit is often used in such connection. For which purpose?
Protect the SCR against damage caused by high voltage spikes
Obtain current resonance
Measuring the current through the SCR
Delay the ignition of the SCR
What has the cadet been ordered to do?
The Cadet has been ordered to to dismantle the evaporator
The Cadet has been ordered to test the steering gear
The Cadet has been ordered to help the Bo's'un sandblast the poop deck
The Cadet has been ordered to paint the evaporator using a paint brush
Under normal circumstances 21% O2 is diluting toxic gases, which one are we talking about?
None to be diluted?
Carbon monoxide, nitrogen dioxide, nitric oxide, sulfur dioxide?
Natrium monoxide, ferro chloride, hydrogen sulfide dioxide?
Sulfur, monoxide, hydro chloride, carbon dioxide?
The arrival ballast water must contain maximum 15ppm (parts pr. million) of oil to fulfil the regulations in force. How many ppm is 1% by volume.
1000 ppm.
100 ppm.
100000 ppm.
10000 ppm.
What must by carefully checked when loading a bulk carrier to maximum draft
The minimum bow height must be maintained
The vessel is trimmed by the head on completion
The vessel is trimmed by the stern on completion,
the vessel should have a stern trim of 2.0 metres by stern.
Which is the "AFT BREAST LINE", in the figure?
The Aft Breast Line is B, in the figure
The Aft Breast Line is C, in the figure
The Aft Breast Line is D, in the figure
The Aft Breast Line is A, in the figure
Which is the "FORWARD SPRING", in the figure?
The Forward Spring is indicated by C, in the figure
The Forward Spring is indicated by D, in the figure
The Forward Spring is indicated by A, in the figure
The Forward Spring is indicated by B, in the figure
A General Cargo Vessel is loading and rain starts to fall; what action should be taken by the OOW ?
Cargo operations would only be stopped if cargo bagged grain
Rain should not affect cargo operations
In all cases of rain cargo operations should stop unless Master authorises operations to continue
Only Port Authorities can make decision to stop cargo operations
Which of the following documents gives the maximum point loading in cargo holds and on decks of a General Cargo Vessel?
General Arrangement plan
Ships Capacity plan
Planned maintenance schedules
Docking plan
When can semi-automatic twistlocks be used, under the U.S. Occupational Safety and Health Administration (OSHA) regulations?
When used to lock three empty intermodal containers that are to be lifted, one on top of the other
To secure on-deck containers in the first and last container bays
When used to lock two empty intermodal containers that are to be lifted, one on top of the other
To secure all on-deck containers
The emergency oil pollution equipment locker must be:
Just off the main engine room
A store room in the forward part of the ship
Prominently marked and easily accessible
A store room close to the pump room
In a crisis, which crew behaviours are most reassuring to passengers?
keeping up with safety knowledge
enthusiasm, confidence, hospitality
dependability
enthusiasm, confidence, decisiveness
Why is it important to make weekly/routine rounds in the accomodation areas?
To search for any contraband goods hidden on board
To check for alcohol in cabins
It is a requirement as per flag state
To ensure that cabins and common spaces are maintained in a clean, safe and hygienic condition
The ship's crew are carrying out maintenance on the weather deck hatch lids of a refrigerated cargo space. Which of the parts given in the options will have the greatest influence on maintaining cargo temperature in relation to the hatch lid system?
The condition of the hatch lid wheels.
The condition of the hatch lid seals.
The condition of the hatch lid hinges.
The condition of the hatch lid trackway.
If your ship is in the tropics and you are going to be working out on deck during the day, what is the recommended daily intake of water for you to avoid the effects of dehydration?
10 litres.
1litre.
Drinking water is not the solution. I must consume at least 250 mg of salt per day to retain body fluid.
4.5 litres.
How is the condenser cooling water flow regulating valve automatically controlled in a vapour compression refrigeration system?
By the compressor discharge pressure.
By the quantity of refrigerant in the system.
By the temperature of the refrigerant after the evaporator.
By the temperature in the refrigerated room.
Did he study the contract in every detail before he signed it?
Of course he did, because he had to make sure that he could return home again.
No, he merely tried to be put ashore for medical treatment.
No, despite the fact that he promised to carry out several duties.
Yes, he wanted to see that everything was according to agreed terms.
You are alongisde, port side to, about to commence loading several grades of chemicals. The Duty Officer instructs you over the walkie-talkie to proceed to the port manifold and open the valve to 4 port line. When you get there, there is no hose connected to that line. What will you do?
Take a look at the starboard manifold. There is a hose loop between 4 port and 4 starboard lines. Assume the Duty officer must have meant this side and open 4 port line on this manifold.
Open the valve to 4 port line as instructed.
Although there is no hose connected to 4 port line, there is one connected to 3 port line. Assume the Duty Officer must have meant this line and open this valve instead.
Report the situation back to the Duty Officer. Request clarification and confirmation of the instruction.
What precautions must be taken prior to loading cement after carrying sugar?
No traces of sugar should remain in the cargo holds
The cargo holds must be inspected
Steelwork in the cargo holds must be protected by straw mats
Steelwork in the cargo holds must be protected by kraft paper
How would you ventilate your cargo holds when sailing from hot climate to cold climate?
Ventilation only during night time?
Ventilate only during day time?
Ventilate excessively?
No ventilation should be done?
A High Breaking Capacity fuse found in a Main High Voltage Switchboard will have fault level rating of ?
4000A
400A
40 kA
40A
The diagram shows a calibration curve for a pressure gauge. What is an alternative name for the slope of the characteristic?
Sensitivity
Hysteresis
Repeatability
Off-set
What is the meaning of "make fast"
To secure a rope
To coil a rope
To avoid all meals
To act quickly
What kinds of checks must be carried out on slings, wires and other items of lifting equipment before they are used in routine operations?
They must be tested under load, to ensure they can bear the planned weight.
They must be visually inspected to ensure that the ID and SWL marks are clearly legible.
They do not need to be checked. They are checked under the vessel's planned maintenance system every 12 months.
They must be visually inspected and ascertained, so far as is possible, as being in good working order and fit for purpose.
The reporting of incidents involving harmful substances and / or marine pollutants is regulated under which international guidelines?
Protocol I of MARPOL 73/78.
The UN Convention on the Reporting of Accidents and Incidents which Present a Hazard to the Marine Environment 2004.
Appendix B of the Supplement to the IMDG Code.
Annex II to SOLAS 1974.
In terms of an oil tanker fitted with two slop tanks, how are they commonly referred to?
Slop tank (cycle A) and slop tank (cycle B)
Slop tank (settling) and slop tank (decanting)
Primary slop tank and secondary slop tank
Nominal slop tank and back-up slop tank
During maintenance work on a fuel tank the engine room ratings are removing scale in preparation for re-coating. One of the ratings suddenly notices the smell of fumes even though the atmosphere had been satisfactorily tested before the work started. What action should the ratings take?
Stop work until the smell disappears and then carry on removing the scale.
Leave the tank immediately and have the atmosphere retested.
Ask for another fan to be switched on to increase the ventilation in the tank.
Put on breathing apparatus and carry on with the task.
What will happen when the ship arrives in Rotterdam?
The anchor will be tested when the ship arrives in Rotterdam
The ship will receive fuel and diesel oil bunkers when it arrives in Rotterdam
The navigation lights will be tested when the ship arrives in Rotterdam
The main engine will be tested when the ship arrives in Rotterdam
When will a ‘D’ ring not be an effective lashing point?
When painted
When it is oil-stained
When it is covered in grease
When its retaining collar is torn
When carrying out repair or maintenance tasks involving hot work a hot work permit must be issued. Select the correct option from those given which completes the following statement. 'The permit for hot work…
..is valid for completion of the specific hot work tasks irrespective of the time taken.'
..can cover any additional hot work that arises during the completion of the task during the specified time period.'
..should only cover specific hot work tasks and be valid for a specified time period.'
..should only cover specific hot work tasks, be valid for a specified time period and be issued by the person carrying out the work.'
Some main propulsion medium speed engine installations operate with a hydraulic oil type fluid coupling between the engine and the reduction gearbox instead of a mechanical clutch. With this type of installation a separate flexible coupling is not normally fitted. Why is a separate flexible coupling usually omitted from this type of installation?
There is insufficient room to fit a flexible coupling between the engine and gearbox when a fluid coupling is fitted.
There are no engine torque variations in the drive when a fluid coupling is used so a flexible coupling is not required.
The hydraulic fluid in the coupling isolates the gearbox from the engine vibrations.
There is natural slippage between the drive and driven parts of the fluid coupling and a flexible coupling would prevent this slippage.
With reference to diesel engine ancillary system operation, which one of the given statements is true?
The normal jacket water temperature before the jacket water cooler is approximately 80 to 90 C.
The normal temperature of the lubricating oil before the lub oil cooler is approximately 80 to 90 C.
The normal scavenge air temperature after the charge air cooler is approximately 80 to 90 C.
The normal temperature of heavy fuel oil after the fuel oil heater is approximately 80 to 90 C.
Which of these will not physically damage a bulk carriers’ plating, frames and brackets?
Hydraulic hammers
Grabs
Bulldozers
Evacuators
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.
Give clear, direct instructions in an emergency, and show passengers exactly what they need to do. What is the most important reason for doing this?
3% of passengers panic.
3% of passengers have little or no ship safety knowledge.
25% of passengers go into shock.
75% of passengers are confused, and feel helpless.
From where on board can you find out the different types of protection equipment regarding where placed, how much, how many etc.?
In cargo control room.
The ship’s safety plan
Stated in your cabin.
In the deck log book
How many portions of fruit and vegetables are recommended as part of the daily intake for an adult?
2.
10.
5.
Not more than 3.
On a pure car carrier what danger is associated with deck-head piping in cargo spaces?
Rusting of cargo units stowed below
There is no associated danger
Breakage of pipes in heavy weather
Moisture dripping onto vehicles stowed directly below
What must be checked before deck cargo is loaded on top of hatch covers on a General Cargo vessel?
The ship must be on an even keel
The ventilators should be opened
The hatch covers must be fully secured to a sea going condition
The deck cranes must always be stowed into sea going position
When operating a propulsion installation consisting of medium speed diesel engines driving a controllable pitch propeller it is possible to operate the combination of engine speed and propeller pitch in a number of different ways. What would be the main reason for operating with constant speed and variable pitch?
To allow the engine to be operated with a load sensing governor instead of a speed sensing governor.
To allow rapid load change and thrust reversal when manoeuvring.
To obtain maximum propeller efficiency over the load range of the engine.
To allow constant speed operation of a shaft generator while the engine load changes with pitch variation.
For what purpose do we have booster pumps on the cargo discharge line onboard gas carriers?
On gas carriers we have booster pumps on the cargo discharge line to increase the discharge pressure and reduce the cargo temperature.
On gas carriers we have booster pumps on the cargo discharge line to increase the discharge line pressure above shore back pressure.
On gas carriers we have booster pumps on the cargo discharge line to easily reduce the flow and pressure to shore line.
On gas carriers we have booster pumps on the cargo discharge line to increase the discharge rate to shore.
How can the officer in charge change the value of the Transverse Metacentric Height?
By loading or discharging cargo and changing the position of both G only.
By vertically shifting cargo and changing the position of both G and M.
By loading or discharging cargo and probably changing the positions of G and M.
Only by loading cargo and changing the position of both G and M.
What percentage of the baggage is required to be checked at Security Level 1?
25-50% of the baggage is required to be checked at Security Level 1.
The percentage is not specified.
100% of the baggage is required to be checked at Security Level 1.
5-15% of the baggage is required to be checked at Security Level 1.
During cargo operations, involving perishable cargoes, deck officers should be aware that the cargo is subject to the effects of the weather and ambient conditions. From the options given, select the one which is likely to cause the most rapid temperature change in a refrigerated commodity.
Rain.
Very high humidity.
Sunshine.
Wind.
What basic information do we get from the pump system curve?
We get information about the pump’s suction height and liquid flow.
We get information about the pump’s liquid flow.
We get information about the pump’s lifting height and liquid flow.
We get information about the pump’s ampere, delivery pressure and suction height.
Which of the following is false when a casualty is bleeding?
Encourage patient to lie quite and re-assure
Treat for the shock
Control bleeding
Cover the wound with a cloth
What action should be taken by a rating on watch if steam is heard to be escaping from the area of the bottom water header handhole doors? The boiler is a high pressure boiler generating superheated steam.
Use the hand to have a feel around the area to try and locate the exact position of the leak.
Check the area where it is thought the leak may be using a cloth on the end of a broom handle.
Pass the information that there is a leak to the relief at the end of the watch.
Immediately inform the Officer of the Watch.
If a vessel is fitted with “free flow system”, what does it mean?
That the cargo is free flowing in all tanks at all times.
A vessel without ordinary bottom lines where the cargo flows from tank to tank through bulkhead valves.
The vessel is not equipped with own discharging equipment.
That the vessel is only able to load on gravity.
As per SOLAS every fast rescue boat shall be provided with:
Thermal protective aids for the number of persons the boat is permitted to accommodate
Emersion suits for each person the boat is permitted to accommodate
3 Thermal protective aids
Thermal protective aids for at least 10% of the persons the boat is permitted to accommodate or two, which ever is greater
Consider the situation sketched below. What can happen if the tugmaster is not careful?
The tug may be turned across your bow with the danger of being turned over.
The stern of the tug may be sucked into your bow.
The tug may be pushed away from the ship and thus unable to assist your vessel.
The tugmaster may loose control and ram your bow with possible damage to your ship.
Many chemical tankers are fitted with deepwell centrifugal cargo pumps. What is the process by which any leakage of cargo or hydraulic oil into the pump cofferdam is detected?
Proving.
Stripping.
Purging.
Purifying.
It is necessary, prior to loading a refrigerated cargo on a conventional reefer vessel, to prove that the hold bilges are clear and that the bilge system is functioning correctly. Which of the cargo types given in the options would be expected to produce the most water during a voyage?
A cargo of fruit loaded at field temperature.
A cargo of fruit loaded pre-cooled.
A cargo of hard frozen perishable goods.
A cargo of chilled meat.
What basic information do we get from the pump's flow-head curve?
We get information about the NPSH.
We get information about the pump's suction head.
We get information about the pump's back pressure.
We get information about the pump's lifting height and liquid flow.
On a Container vessel, what is the function of a raised deck socket?
To house base twistlocks or stacking cones
To house stacking cones
To secure turnbuckles
To house base twistlocks
In which of the following processes will the time constant be of minor importance
Level control
Pressure control
Temperature control
Flow control
What special design feature is attributed to pure car carriers?
A small GM when fully loaded
Bow doors
A stern ramp
A very large windage area
What extent of hatch cover spares should be available on board at all times?
Rubber packing and hatch cleat washers for one panel section
Specimen fittings shown in the hatch cover manufacturer’s manual
Rubber packing hatch cleat washers and glue for two panel sections
Rubber packing and hatch cleat washers for two panel sections
Passenger ships shall either carry automatically self-righting liferafts or canopied reversible liferafts. What does it mean that a liferaft is automatically self-righting?
The liferaft will automatically turn back into an upright position when it is empty of people
One person can manage to turn the liferaft back into an upright position
The liferaft will automatically turn back into an upright position when it is fully loaded with people
It means the same as self-righting lifeboats
How many carbon atoms are there in solid materials?
Above 16 carbon atoms.
I don't know.
From 5 to 16 carbon atoms.
Up to 4 carbon atoms.
What is the minimum length of rubber insert when replacing a damaged section of the hatch cover seal?
250 mm
200 mm
275 mm
500 mm
On the figure 4 possible definitions of the term "DEPTH TO MAIN DECK" are given. Which one is the correct one?
Depth is given by A on the figure
Depth is given by B on the figure
Depth is given by C on the figure
Depth is given by D on the figure
Which of the following actions should be done before throwing this type of inflatable liferaft over the side?
Take the top off the container to enable raft to inflate once in the water. If all clear, throw raft over side
Disconnect the painter and launch it, checking that all is clear below
Check that the painter is made fast to a secure point and that the sea below is clear
Inflate it on deck and then launch it if clear below
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.