%20scale(3)'%3E%3Cpath%20id='s'%20d='M0,-30%2017.63355,24.27051%20-28.53171,-9.27051H28.53171L-17.63355,24.27051z'%20fill='%23FF0'/%3E%3C/g%3E%3Cuse%20xlink:href='%23s'%20transform='translate(300,60)%20rotate(23.036243)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(360,120)%20rotate(45.869898)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(360,210)%20rotate(69.945396)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(300,270)%20rotate(20.659808)'/%3E%3C/svg%3E){kind=small}
Rechercher les postes actuellement vacants :
Afficher les filtres
Rechercher dans la base de données des CV des marins :
Maison Tests en ligne CES Chemical tanker MASTER / Ch-Officer Test about Deck department, Management level, Chemical Tanker (CES v6.0)
Tests en ligne : Test about Deck department, Management level, Chemical Tanker (CES v6.0)
Sélectionnez le mode de test :
Éducation
Test en ligne
Description
Commentaires
Le test comprend 80 questions aléatoires.
Total de questions sur ce sujet : 108
Total de questions sur ce sujet : 108
Question 1 depuis 80
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
The minimum permissible distance measured horizontally between the ship’s shell plating and the outer side bulkhead of the first cargo compartment on a type II chemical tanker is:
Not less than 760 mm.
Not less than 1 250 mm.
Not less than moulded breadth/15.
Not less than moulded breadth/5.
How is a Safety Management Certificate obtained?
Ship owners has Document of Compliance issued, and vessel is assessed and holds all statutory certificates.
Ship owner is authorised to carry out internal audits and issue SMC.
Vessel is surveyed by MCA and certificate issued.
RSS issue SMC with Register.
How often shall each member of the crew participate in an “abandon ship”-drill?
Once every week.
Once every month.
Once every 6 months.
Once a year.
DG placards shall be located on a freight container:
One on each side (only).
One of the back end and one on one of the sides (only).
One on each end (only).
One on each end and one on each side.
The “dew point” of a liquid chemical can be defined as:
The temperature at which dry-ice melts in Acetone.
The temperature at which a condensable component is saturated with respect to a gas, as in operational terms is seen at the point when moisture no longer detectable in air.
The temperature at which a saturated as exhibits condensation.
The temperature at which a gas is saturated with respect to a condensable component, as in operational terms is seen at the point when air is saturated with moisture.
A MF/HF-DSC multi-frequency call attempt may:
Be repeated after 1 to 1 and a half minutes.
Be repeated after 3 and a half to 4 and a half minutes.
Not be repeated.
I don’t know.
A small vessel with a right handed propeller and no thruster is approaching a berth with an onshore wind. What is the best way to have a controlled berthing?
Dredge a forward anchor, working the engine and rudder against it to keep the stern up.
Reduce speed by going full astern on the engines.
Stop the engine and let the vessel momentum and the wind drop the vessel onto the berth.
Full starboard rudder and stop engines.
For security purposes, the IMDG Code should be read in conjunction with the:
Chapter XI-2 of SOLAS and Part A of the ISPS Code.
IMO NVIC 24 and 46 CFR 2.05.
Chapter V of SOLAS and Annex II of MARPOL.
Part B of the ISPS Code and Chapter II of the Maritime Transport and Offshore Facilities Act.
What type of dynamic forces may cause indent in plating on forecastle deck and main deck in way of pillars inside forecastle?
Pressure forces caused by green water on deck.
Impact pressure forces in way of abrupt or flared bow.
Forces created by waves on the forecastle.
Slamming in way of flat bottom forward of light draught.
To inform ship of coast-stations messages, coast stations give a fixed times:
A traffic list with the call-sign of the ships involved in alphabetical numerical sequence.
A list of the official identification numbers, for example the Maritime Mobile Service Indentity (MMSI).
A list with the names of the ships involved spoken alphabetical numerical sequence.
A list of all the messages for each vessel.
During an audit, adherence to the company cargo handling procedures can best be demonstrated:
By providing a summary of out-turn figures for the auditor.
By requesting that an audit takes place during cargo operations.
By providing a summary of incident and lost time figures for the auditor that reflects a successful and trouble-free system on board.
By being able to provide comprehensive and verifiable documentary records of cargo operations.
Testing a SART is permitted:
Only at sea, outside territorial waters.
Only in a port or harbour.
At sea, outside territorial waters, and in a port or harbour.
I don’t know.
On area A4 the function “Transmission and reception of signals for locating” is mainly based on:
The use of SARSAT COSPAS Epirbs.
The use of SART transponders.
The use of HF DSC.
The use of MF DSC.
A DSC distress alert single frequency call attempt is awaiting acknowledgement:
Automatically repeated after 3 and a half to 4 and a half minutes.
Automatically repeated after 1 to 1 and a half minutes.
Not repeated automatically.
Repeated manually when required.
A chemical tanker may be granted, by the Government of the receiving Party, an exemption from carrying out a mandatory prewash provided that the:
That the unloaded tank will be washed outside a special area.
That the vessel’s stripping system can reduce the residues to less than 10 litres in the relevant tank and its associated piping.
Unloaded tank is to be reloaded with the same substance or another substance compatible with the previous one and that the tank will not be washed or ballasted prior to loading.
That the vessel temporarily has defective tank cleaning equipment and the prewash will be carried out at the first available opportunity after repairs have been completed and the tank will not be loaded or ballasted before that time.
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. The training manual shall contain detailed explanations of crew duties in relation to emergency situations. Which of the following tasks or duties shall be included in the manual according to present regulations?
The use of the ship’s line throwing apparatus.
The use of escape routes and other escape methods.
The use of surface to air visual signals to be used by survivors.
The use of navigational equipment for survival crafts.
The compensation payment by the charterer that is due when a vessel is unable to load / discharge her cargo within the allowed and contracted time is referred to as:
Contractual penalty discount.
Deferment.
Discretion.
Demurrage.
A distress alert has accidentally been sent with the Inmarsat-C installation. One should now:
Make contact with an RCC.
Turn of the transmitter.
Wait until an RCC reports.
I don’t know.
The relay of a distress-call by an RCC for coast-station begins with:
MAYDAY RELAY (3x).
Distress (3x).
PAN PAN (3x).
MAYDAY (3x).
Which of the following channels and modes should be used when initiating a distress alert transmission?
Channel 70 DSC.
Channel 13 Radiotelephony and channel 16 DSC.
Channel 6 Radiotelephony.
Channel 6 DSC.
Cargo residues of certain chemical substances are permitted to be removed by ventilation. This may be carried out provided that:
That the cargo discharged has a vapour pressure greater than 5 KPa at 20 °C.
That the vessel’s ventilation system is capable of delivering a minimum of 20 changes of atmosphere per hour within the compartment.
That the cargo discharged has a vapour expansion coefficient of at least 1,025.
That the volume of the tank does not exceed 1 750 cubic metres, that the maximum remaining residues are less than 75 litres and that ventilation is additionally possible directly down the pumpstack.
What is a Declaration of Security?
A checklist jointly completed by the ship and shore security representatives.
A document stating the ship’s security level.
A document between the port and the cargo owner stating security.
A checklist jointly completed by the Ship Security Officer and the US Coast Guard.
What rules and regulations are regulating the watch keeping routines in the engine room?
Both STCW and Class rules.
SOLAS.
Class Rules.
International Standard for Training and Watch keeping (STCW).
Under what convention is the master to ensure that a ship is seaworthy and in a fit state to safely carry a shipper’s cargo?
The Hague-Visby Rules.
The Nassau Protocol.
The Antwerp Convention.
The Paris Memorandum.
The mandatory color of a hand flare is:
Red.
Green.
White.
Yellow.
Which of the following requirements regarding on board stability data corresponds to present regulations? (NSCL 4/12.1).
Drawings and calculations documenting the stability of the ship, both in intact and all possible damage condition.
A calculation example showing the use of “KG” limitation curves.
A calculation example showing use of “GM” limitation curves.
Stability data produced by stability calculation instruments.
With respect to the ISM, what training in addition to lifeboat and fire drills must be carried out?
Mooring operations.
Bridge Team Management.
Familiarization, and other drills identified as necessary by the ship.
The boat drill and fire drill should be adequate to meet your needs.
To maintain good relationship among the crew on board a vessel, one must be:
Understanding, Co-operative, and have respect from both sides.
Strict and authoritative while giving orders.
Give authority to others.
Polite and diplomatic while talking to crew members.
As per MARPOL 73/78, coal slurry, clay slurry, dextrose solution and molasses are classified as:
“X”.
“Y”.
“Z”.
OS (Other substances).
What signal may be given by sound and by light to indicate that a vessel fails to understand the intentions or actions of another vessel, or is in doubt that sufficient action is being taken by the other to avoid collision?
One prolonged blast (flash), followed by five or more short and rapid blasts (flashes).
Five short and rapid blasts (flashes).
Three short and rapid blasts (flashes).
Five prolonged blasts (flashes).
Referring to the SOLAS convention, how often should a crew member on a cargo ship participate in one abandon ship drill and one fire drill?
Every second week.
Weekly.
Monthly.
This is only required when he joins the ship.
Your vessel is involved in a collision with another vessel. What should you as Master tell the Master on the other vessel?
There should be no communication with the other vessel.
Explain your actions prior to the collision and request details of actions taken by the other vessel which resulted in the collision.
Name; Port of registry; Port of destination of your vessel.
Ask if there is any assistance required by the other vessel.
Hand flares and buoyant smoke signals can continue to burn or emit smoke after having been immersed for a period of 10 s:
Right if the immersion depth is smaller than 1 m.
Right if the immersion depth is smaller than 100 mm.
Right.
Wrong.
You are carrying a bulk cargo of Phosphoric Acid. Which components of the cargo pumps may be damaged as a result of discharging this particular cargo and why?
The cargo seals may be damaged from the abbrasive effect of any sediment.
The valves in the associated piping may be distorted by pressure surges created by cavitation as the acid is discharged.
The outer casing may be corroded by the unstable impurities within the acid.
The impeller veins may be damaged as a result of the relatively high density of the cargo if the pumps are run at too high a speed.
Which option best completes the following statement? The version of the IHO presentation library on the ECDIS is important because:
If it is not the latest version, the ECDIS will not be compliant.
It is where the files for maintenance of the system software are stored.
It influences the colours on the display.
It allows ECDIS to decide on the scale setting of the chart.
Which of the following requirements regarding life-buoys correspond to present regulations? (SOLAS III/7.1).
All life-buoys shall be placed in holders with quick-release arrangement.
Not less than half the total number of lifebuoys shall be provided with self-igniting lights.
At least one lifebuoy shall be placed within the vicinity of the stern.
At least one life-buoy on each side of the ship shall be fitted with a buoyant lifeline.
Not counting actual capacity or structural and cargo specific limitations, the IBC Code states that for a single tank on a type 3 chemical tanker:
1 750 cubic metres.
1 250 cubic metres.
3 000 cubic metres.
There is no filling restriction for a type 3 chemical tanker.
Inmarsat Telex Service code “33” can be used:
When technical problems are experienced with the Inmarsat-terminal.
To ask for maritime enquiries.
When the coast-station is disfunctional.
I don’t know.
Under most circumstances, how will communication be carried out between a ship and a SAR helicopter?
On VHF Ch. 16.
On 121,5 MHz.
On 410 KHz.
On VHF Ch. 70.
On all UMS operated vessels and also on most other vessels the engine room is equipped with fire detectors. What requirements of testing and checking of the detectors are to be observed?
All the mentioned alternatives.
When testing detectors by suitable equipment (smoke and heat) check that the sensors self controlling system, e. g. a flashing control light etc. is functioning.
Check that the actual detector is giving appropriate signals to the central control unit and that all electric connections are in good order.
Check the detector with heat and/or smoke (in accordance with instructions in its manual).
Give the meaning of the following symbol:
Rocket parachute flares.
Line throwing appliance.
Survival craft distress pyrotechnic signals.
EPIRB.
Your vessel is involved in a collision with another vessel. What should you as Master tell the Master on the other vessel?
Name of vessel; IMO number; Port of registry; Port of destination of your vessel.
Explain your actions prior to the collision and request details of actions taken by the other vessel which resulted in the collision.
That their actions were totally wrong and it is their fault.
There should be no communication with the other vessel.
The time indication 121310z means in maritime radio communication:
12th day, 13:10 hours UTC.
12th month, 13:10 hours UTC.
12th day, 13:10 hours local time.
12th month, 13th day, 10:00 hour local time.
One of the sailors needs urgent medical assistance. The VHF-call starts with:
SOS (3x).
MAYDAY (3x).
PAN PAN (3x).
I don’t know.
What is the probable cause of an error in the position shown on a GPS receiver set into “2D” fixing?
Incorrect height of the antenna set into the receiver.
The receiver has defaulted to “3D” fixing and there is no overhead satellite.
The limit set on the HDOP figure is too great.
The limit set on the VDOP figure is too small.
Where would you find the document relating to the “Condition of Freeboard Assignment” onboard?
With the Structural Survey File.
With the Classification Records.
With the Loadline Certificate.
With the Safety Construction Certificate.
A cargo pumproom or other enclosed space which contains cargo handling equipment on a chemical tanker shall be fitted with a mechanical ventilation system, capable of being controlled from outside the space. What is the minimum number of atmosphere changes per hour, based on the total volume of the space, that such a system must deliver?
Not less than 10 charges per hour.
Not less than 30 charges per hour.
There is no specified minimum number of changes, provided it is running continuously throughout any cargo operation.
If the ventilation is permanent, it shall deliver at least 20 changes per hour; if it involves part recirculation, then it shall deliver at least 30 changes per hour.
A “Standard Format for Search and Rescue Situation Reports” (SITREPs) should be used by vessels in distress. The SITREP can be compiled as a short form (urgent essential details). Which of the following information shall be included when using the “short form”?
Oil spill possibility.
Position.
Weather on-scene.
Cargo information.
If all indications are that a cargo has been received without damages, irregularities or short shipment and the phrase “apparent good order and condition” is entered on the Bill of Lading, then this Bill is this said to be:
A clean Bill of Lading.
An endorsed Bill of Lading.
A Due Title Bill of Lading.
A Bill of Lading completed for shipment.
When a Master takes the leadership in approaching a problem, must hist first action be a decision that will directly solve the problem?
Not necessary, he shall use all available resourses. He should resist the temptation to step in and do it all by himself.
Yes, take full control. Do not delegate to other officers, to avoid mistake.
No, he should observ the situation, and let the other senior officers solve the situation.
Yes, with his experience, it is most likely that he has the best solution.
Who are responsible for safe working conditions onboard?
The safety officer.
The officer of the watch.
The individual person.
Master, Chief Engineer & Chief Officer.
“Passivation” is a restorative process periodically applied to stainless steel tanks on a chemical tanker. What effect does this process have on the steel surface?
It restores and reforms the passive Chromium Hydroxide surface layer.
It restricts active corrosion on the surface steel.
It causes a chemical reaction, which produces a new inert Chromium Oxide layer on the surface of the steel.
It restores the surface steel to an even and smooth finish, thereby encouraging drainage during discharge.
When a character in the NAVTEX message sent is not received in the proper way:
A closely resembling character will be printed.
Any other character will be printed.
The message will not be printed at all until, with repeated transmission, it can be automatically compared and corrected.
Nothing or a special character will be printed.
What type of dynamic forces may cause indent in plating on forecastle deck and main deck in way of pillars inside forecastle?
Forces created by waves on the forecastle.
Slamming in way of flat bottom forward of light draught.
Pressure forces caused by green water on deck.
Impact pressure forces in way of abrupt or flared bow.
To maintain good relationship among the crew on board a vessel, one must be:
Understanding, Co-operative, and have respect from both sides.
Give authority to others.
Polite and diplomatic while talking to crew members.
Strict and authoritative while giving orders.
Noxious Liquid Substances which, if discharged into the sea from tank cleaning or deballasting operations, are deemed to present a hazard to either marine resources or human health or cause harm to amenities or other legitimate uses of the sea and therefore justify a limitation on the quality and quantity of the discharge into the marine environment. Such substances are:
A category “Y” substance as identified in the revised MARPOL Annex II.
A category “X” substance as identified in the revised MARPOL Annex II.
An NLS as defined in ISGOTT revision V.
A liquid cargo that is prohibited for carriage in vessels other than type 1 chemical tanker, as defined in the INC Code.
What immediate action should be taken if a ship unexpectedly runs aground and stops?
Stop engine(s).
Stop engines and tell the engine room to switch over to high suction.
Stop engines and immediately request “Full Astern”.
Sound the General Alarm and plot the ships position.
Your vessel is approaching a port in restricted visibility and you hear this signal. What kind of vessel is it and what is it doing?
It comes from a vessel engaged in pilotage duties and it is making way through the water.
It comes from a vessel restricted in her ability to manoeuvre.
It comes from a vessel at anchor, less than 100 metres in length.
It comes from a vessel engaged in pilotage duties at anchor, over 100 metres in length.
A SART is used by a vessel in distress. This SART is seen on the screen of a:
3 Cm radar.
10 Cm radar.
Special radar.
Both 3 Cm and 10 Cm radar.
If your chemical tanker is equipped with high velocity venting valves, at what minimum height above the weather deck or catwalk should they be installed?
6 metres.
4,5 metres.
3 metres.
2,5 metres.
Onboard training should be organised in such a way that:
It is an integral part of the overall training plan.
Each crew member is trained individually.
It does not contravene with the rest hours of the crew.
None of the above.
With what system is a NAVTEX-message transmitted?
FEC.
JRC.
SELFEC.
ARQ.
The authority to order the use of distress signal or distress alerts is:
The first person to discover the distress situation.
The person designated to maintain communication during distress situations.
Only with the master.
I don’t know.
What are the three volumes of the IAMSAR Manual?
I – Organization and Management II – Mission Co-ordination III – Mobile Facilities.
I – Planning and Preparation II – Rescue III – Reference.
A – Command and Control B – Communications C – Rescue Procedures.
I – Organization II – Communications III – Rescue Procedures.
How often shall crew members participate in fire drills?
Once every month.
Once every week.
Once every year.
Once every 6 months.
For how long time must the printout from the Oil Discharge Monitoring Equipment (ODME) be retained onboard?
2 years.
3 years.
4 years.
6 months.
Which personnel must undergo familiarization training on board?
Only the deck officers.
Only the ratings.
Only catering staff.
Everyone.
With what system is a NAVTEX-message transmitted?
JRC.
ARQ.
FEC.
SELFEC.
Which of the following two digits codes is used to obtain medical advice?
32.
42.
26.
38.
How often must inspection of proper working of the EPIRB’s and SART’s take place on board? Once per:
Month.
Every day.
14 days.
Week.
As a result of being in collision with your vessel, the other vessel is involved is on fire. What are your responsibilities?
The other vessel is in distress and if possible I will render assistance.
You should continue on with the voyage if your damage is not serious.
There is no statutory requirement to provide assistance as the actions of that vessel were the primary cause of the collision.
Your vessel should manoeuvre close to the other vessel and aid the fire-fighting operation.
The carriage of a new Noxious Liquid Substance not yet listed in the IBC Code may be considered possible, provided it is achieved through a “tri-partite” agreement between:
The Flag State of the Shipper/the Flag State of the Charterer/the Flag State of the Receiver.
The IMO/the Port State of the Shipper/the Port State of the Receiver.
The Port State of the Shipper/the Flag State of the Carrier/the Port State of the Receiver.
The Shipper/the Receiver/the Operator or Charterer.
It is the Master’s responsibility to ensure that:
Concerned personnel carry out the onboard training programme effectively.
Life jackets are worn during every training.
All information regarding the onboard training is given to the ship manager.
Safety equipment is not used during the training.
Which one of the given requirements regarding survival craft muster and embarkation arrangements corresponds to the present SOLAS regulations?
Muster and embarkation stations shall be readily accessible from accommodation and work areas.
Searchlights to be provided at the launching station.
Davit-launched survival craft muster and embarkation stations shall be arranged to enable stretchers to be placed in survival craft.
I don’t know.
When using an ENC chart to passage planning, why should a scale at or near its compilation scale always be used?
The chart detail is correct for its usage band.
It is only at this scale that a route can be plotted.
That is incorrect, as any ENC can be zoomed in or out for passage planning.
It is only at this scale that route validation is possible.
Which one of the listed requirements regarding the stowage of lifeboats and life-rafts corresponds to present SOLAS regulations?
Lifeboats shall be stowed attached to launching appliances.
Life-rafts intended for throw-overboard launching shall be stowed midships secured to means for transfer to either side.
Life-rafts shall be stowed close to the stern of the vessel.
Davit-launched life-rafts shall be stowed on starboard side of the ship.
A tug is connected to the bow of a vessel. Will the force exerted by it be the same at any ahead speed?
No, on the bow the tug uses power to run with the vessel, which reduces the available power on the towline.
No, when the ahead speed of the ship increases the force exerted by the tug will also increase.
Yes, the force would normally be expected to be the same at any speed of the ship.
Week.
You are on a vessel 10 nautical miles off the coast of Nigeria, West Africa. Are you allowed to dump empty glass bottles overboard?
No, glass bottles can not be dumped overboard.
Yes, glass bottles can be dumped overboard.
Yes, the bottles can be dumped if they are ground so that the resulting particles can pass through a screen with 50 mm openings.
I don’t know.
In the event of an accidental or other exceptional discharge into the sea of a Noxious Liquid Substance or mixture containing such a substance, an entry shall be made in the Cargo Record Book, which shall include:
Time of occurence Approximate quantity, substance(s) and Category(ies) Circumstances of discharge or escape and general remarks.
Date of occurrence Position (latitude and longitude) Estimated quantity and category(ies) Extract from Master’s Log Book detailing the incident.
Position at start and stop of accidental discharge Time at start and stop of accidental discharge Reason for accidental discharge Name of Person in Charge of operation at time of accidental discharge.
I don’t know.
On board an accident happened. Urgent radio-medical advice is needed. We choose the category:
Safety.
Urgency.
Routine.
I don’t know.
Добро пожаловать на нашу страницу, где вы можете пройти онлайн тест CES (Crew Evaluation Test) в области «Deck Management Chemical Tanker» (палубный департамент/уровень управление/химовоз). Этот тест предоставит вам уникальную возможность, как моряку, усовершенствовать свои знания с помощью электронного обучения и практической тренировки.
Наши CES тесты разработаны на основе подтвержденных эмпирических данных и опыта морских профессионалов, и предоставляют эффективные материалы для обучения и оценки в различных областях.
Среди особенностей нашего теста:
Версии: 6.0.0, 6.0.9.
Тип теста: STCW.
Департамент: Deck.
Уровень: Management.
Тип судна: Chemical tanker.
CES тесты компании Seagull (после ребрендинга OTG) являются мощным онлайн-инструментом для оценки базовых знаний моряков и выявления потребностей в профессиональной подготовке, соответствующей требованиям Правил международной конвенции по обучению моряков (STCW).
Ocean Technologies Group, при создании вопросов, охватили разнообразные темы, включая:
Управление кризисными ситуациями и скоплением людей.
Интегрированная навигационная система.
Управление балластными водами.
Обработка и укладка грузов.
Управление эксплуатацией судна и обеспечение безопасности.
Морская инженерия.
Техническое обслуживание и ремонт, и многие другие темы.
На данной странице вы найдете вопросы CES от Seagull, связанные с «Deck Management Chemical Tanker», собранные из тестового симулятора. Эти вопросы могут быть использованы как для проверки компетентности команды судна, так и для самооценки.
Тест по «Deck Management Chemical Tanker» включает как теоретическую, так и практическую информацию, знание которой необходимо для профессионала, занимающего соответствующую должность на борту судна. Специалист по управлению палубными операциями и химовозами несет ответственность...
Seuls les marins peuvent laisser des avis. Pour laisser un avis, connectez-vous au site en utilisant votre compte marin.
Soyez le premier à évaluer ce test en ligne !