Le test consiste en des questions aléatoires sur un sujet sélectionné.
According to their physical state, extinguishing agents may be classified:
Synthetic, proteinic, gases and liquid
Solid, proteinic and gases
When carring a cargo in a tank which not requires any heating, what should be done with the heating coils prior loading ?
The should be blown completely dry by the use of air or nitrogen.
The coils should be blanked.
The should be blown completely dry by the use of air or nitrogen and then blanked.
The coils should be filled with water and blanked.
For which ships is the MARPOL convention applicable?
For all vessels except passenger vessels.
For all vessels except those engaged in coastal trade.
For tankers and other vessels carrying persistent oil as cargo.
In case of pollution in US waters, do you always have to notify the National Response Center (OPA-90)
Yes, within thirty (30) minutes
No, only the shipowner can notify NRC
No, not if the local US State Authority is correctly notified
Yes, within three (3) days
Your ship is going full ahead as you start to slow down. Where is the position of the "pivot point" now? No wind, current.
The "pivot point" will move to the stern
Same position as when the ship is on full ahead
It will move aft as the ship slows down
It will move to the side of the center line
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
Where can a ship expect piracy to take place?
At the south end of the Red Sea
Which of the following has not to be noted in the radio log-book
Duration of public correspondence communications
Name of person responsible for distress communications
Discontinuance and resumption of watchkeeping on entering and leaving port
Summary of distress, urgency and safety communications
The ship is involved in a collision, what is the immediate action by the Officer of the Watch after the incident has taken place?
Call the Master and check the position for any immediate dangers.
Stop engines and check over the side for any signs of pollution.
Sound the General Alarm and stop engines.
Contact the other ship and send the bridge lookout down to start taking soundings
Which electronic component does this graphical symbol represent?
Silicon controlled rectifier
On some trades fruit cargoes may be subjected to 'in-transit cold treatment' also known as cold treatment. From the options given which is the main purpose of this cold treatment?
To maintain a specified minimum temperature for a prescribed time period to kill off any fruit fly which may be present when loading the cargo.
To maintain the temperature of the fruit within very tight tolerances.
To ensure that the fruit is carried as cold as possible without damaging the fruit.
To achieve uniform quality of the fruit at discharge.
What effect would turbulent fluid flow through a heat exchanger have on the efficiency of the heat transfer?
Turbulent fluid flow generally reduces heat transfer efficiency
Heat transfer efficiency is not affected by the type of fluid flow through the heat exchanger.
Turbulent fluid flow generally increases heat transfer efficiency.
It cannot be determined since it is not possible to generate turbulent fluid flow through a heat exchanger?
What standing orders must be issued to engineers with regard to fuel oil tanks located below vehicle decks?
Never to heat fuel oil to more than 50?C
Never to heat fuel oil to more than 45?C
Never to heat fuel oil to more than 55?C
Never to heat fuel oil to more than what is specified for the vessel
Where on board ozone depleting substances are found?
In compressed air systems
How many sub-classes are there for IMDG Class 4 (Flammable solids) cargoes?
According to SIGTTO publications, what is a typical accuracy for LNG pressure measurement equipment?
+/- 1,00 bar (which will apply within the MARVS of the tank)
+/- 0,0005 bar (which will apply within the MARVS of the tank)
+/- 0,0015 bar (which will apply within the MARVS of the tank)
+/- 0,50 bar (which will apply within the MARVS of the tank)
How many rescue boats should be provided on ro-ro passenger ships of 500 gross tons and above?
Two Fast Rescue Boats, one on each side of the ship
Two, and at least one of the rescue boats shall be a Fast Rescue Boat
None providing the ship has lifeboats
During maintenance work in the engine room or on deck it is often necessary to work aloft (work at a height above the plates or the deck). When working aloft onboard the ship what is the most important safety precaution that should be taken?
Lash the bottom of the ladder to a fixed point.
Wear a safety helmet and goggles.
Keep all the tools required for the work in a bucket.
Wear a safety harnes securely attached to ship's structure.
A deck patrol notices that a cargo space carrying refrigerated cargo under controlled atmosphere (CA) is not padlocked shut. Select, from the options given, the main reason why such a space should be kept locked.
It is a requirement of the ship security plan that such spaces should be locked.
To prevent unauthorised entry into the space because of the hazard risk due to low temperature in the space.
To prevent unauthorised entry into the space because of the hazard risk due to the low oxygen content of the controlled atmosphere in the space.
To minimise the occurrence of pilferage of a valuable cargo.
How many hours before departure should the ship's steering gear be checked and tested?
Your vessel is a tanker in ballast and the two vessels are interlocked after collision. You have already made clear that all people are well taken care of and you will try to separate the two vessels. What should be your greatest concern?
That you have your permission from the company to do so.
The exact time of the collision.
If the vessels separate, the other vessel may run away and you will be the only one to blame.
That the separation may cause sparks that can possibly ignite the oil or any other flammable substances.
When using the echo sounder in a river the soundings indicated may be incorrect, what would be the most probable cause of the error?
There should be no error with a properly working echo sounder
The strength of the tide and current in the river
A heavy piece of machinery is loaded on deck of a container vessel, stowed across several flatrack containers. Select the most appropriate lashing method.
All lashings to be taken to the hatch top.
Some lashings direct to the flat rack and some to the hatch top, coaming and pillars.
All lashings to be taken to the flatrack lashing points.
All lashings to be taken to the hatch coamings, pillars and lashing bridges.
What is the traditional seaman's saying that suggests the procedure to follow when carrying provisions around the galley and storerooms and up and down stairways?
"One hand for the ship and one for yourself".
"One hand for the Captain and one for the Cook".
"One hand for the ship and one for the stores".
"Keep your hands to yourself".
What medium is used to calibrate the ODME?
Why do we use stabilisers on passenger ships?
To decrease the dynamic stability
To adjust the trim of the vessel
To increase the intact stability
To decrease the rolling angle of the vessel
Who is responsible to ensure that all personnel on board are provided with suitable Personal Protective Equipment where it is needed?
Frostbite is one of the main hazards that personnel must be aware of when working on liquefied gas carriers. Which of the given options is the recommended first aid treatment for a person with frostbite injuries to the hand?
Rub victim's hands vigorously to warm them up quickly.
Place victim's hands in hot water to warm them up quickly.
Place victim's hands on the surface of a heater to warm them up.
Place victim's hands in a bowl of lukewarm water to gradually warm them up.
Every oil tanker of 5,000 tonnes deadweight and above delivered on or after 1 February 2002 shall comply with intact stability. What is the minimum GM (metacentric height) when the vessel is in port?
What is the requirement with regard to Familiarisation on board?
During the first tenure, seafarers are responsible for asking at least a 100 questions to the Safety Officer.
Seafarers, on being assigned to any ship, shall be familiarized with their specific duties and with all ship arrangements, installations, equipment, procedures and ship characteristics that are relevant to their routine or emergency duties.
Seafarers on board passenger vessels must as soon as possible learn the names of all persons working in the same department in order to ensure efficient daily operation.
Seafarers shall be familiarized with all life saving appliances and emergency exits in case any emergency situation occurs. It takes normally an hour to complete the Safety Familiarisation. The safety Officer is responsible.
What gives the condenser pressure in a 1 stage direct cooling plant?
It is the seawater temperature that gives the condenser pressure in a 1 stage direct cooling plant.
It is the cargo temperature in the cargo tank that gives the condenser pressure in a 1 stage direct cooling plant.
It is the seawater flow in the condenser that gives the condenser pressure in a 1 stage direct cooling plant.
It is the cargo vapour temperature that gives the condenser pressure in a 1 stage direct cooling plant.
How should additional lashings be applied to vehicles if they do not have sufficient lashing points?
Pass lashings over the vehicles’ axles
Pass lashings over the body of the vehicles
Secure the vehicles’ wheels
Secure the front and rear bumpers
The 'Critical Temperature' is important when dealing with liquefied gas cargoes. What is the IMO Gas Codes' definition of the term 'Critical Temperature'?
It is the temperature at which vapours from a liquefied gas cargo will self-ignite.
It is the temperature above which a gas cannot be liquefied by pressure alone.
It is the temperature at which liquefied gas cargoes give off flammable vapours.
It is the temperature at which a cargo of liquefied gas must be carried.
When would the Chief Officer wish to consult the First Engineer?
The Chief Officer would wish to consult the First Engineer whenever a hydraulic tank need to be filled.
The Chief Officer would wish to consult the First Engineer on all matters related to pollution.
The Chief Officer would wish to consult the First Engineer when the cargo hold bilges are not emptying, despite the bilges being pumped out.
The Chief Officer would wish to consult the First Engineer when items of engine room machinery require maintenance.
With two alternators running in parallel, you wish to disconnect one. The first step is to:
Make sure the load is evenly shared
Trip the main circuit breaker
Remove the load from the alternator to be stopped
Increase the frequency on the switchboard
What is the correct definition of "lee side"?
The side against the wind.
The temperature control for the central cooling system low temperature circuit has failed and a new 3 term controller is to be fitted. Which of the given options would be the correct method of setting up the controller?
Set the derivative action first.
All three actions should be set simultaneously.
Set the proportional action first.
Set the integral action first.
Which of the given options is the SIGTTO definition of the term 'span gas'?
A vapour sample of known composition and concentration used to calibrate gas detection equipment.
A gas, such as nitrogen, or a mixture of non-flammable gases.
Vapour removed from contact with its liquid and heated beyond its boiling temperature.
A phenomenon generated in a pipeline system when there is a change in the rate of flow of liquid in the line.
"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 causes a chemical reaction, which produces a new inert Chromium Oxide layer on the surface of the steel.
It restores and reforms the passive Chromium Hydroxide surface layer.
It restores the surface steel to an even and smooth finish, thereby encouraging drainage during discharge.
It restricts active corrosion on the surface steel.
Under which MARPOL category are vegetable oils classified?
Vegetable oils are not classified under the MARPOL categories.
Category "OS" (other substances).
When securing a non-standardized portable tank what is a favourable securing angle that will prevent it from tipping in the fore and aft direction?
The exhaust gas is too dark because of:
Faulty fuel injection pumps or valves
Some cylinders is overloaded
Inlet or exhaust valves are leaking
What is a "ladle"?
Part of a Steward's uniform.
A Mediterranean vegetable.
Too high exhaust temperature in one cylinder becomes because of:
Nozzle ring of turbocharger fouled or partially choked.
Compression pressure too low.
Speed governor defective.
What are flexitanks used for?
The carriage of liquid cargoes of a particular specific gravity
The carriage of liquid cargoes that do not have a Proper Shipping Name
The carriage of hazardous liquids, in bulk
The carriage of non-hazardous liquids, in bulk
How can you arrange for safe movement of passengers on ro-ro decks?
Passengers should stay in their cars until loading is completed. They should keep to walkways when leaving the car.
Passengers are responsible for their own safety while moving about ro-ro decks.
It is easy, only drivers are allowed to stay in the car during loading and unloading.
Passengers should be warned of vehicle movements when entering or crossing car or vehicle decks. They should preferably keep to walkways while moving about the ship.
"Your ship security plan must include procedures for responding to security threats, auditing security activities and interfacing with the port facility."
Routine maintenance insulation testing of a three - phase induction motor should cover which measurements?
U1-U2, V1-V2, W1-W2, U-E, V-E,W-E
U-E, V-E, W-E, U-V,V-W, W-U
Tab washers are often fitted to bolted assemblies to prevent the nuts and bolts slackening. For an assembly where the nuts are positioned at the top select the option which describes the correct method of locating the tab washers.
Bend the inner tab up against one flat of the nut and the other tab down over the edge of the component.
Bend the outer tap down over the edge of the component and leave the other tab flat against the component.
Bend the outer tap up against one flat of the nut and leave the other tab flat against the component.
Bend both tabs up against opposite flats of the nut.
Which preparations and precautions are necessary before "hot work" commences onboard ship?
Just inform the Chief Engineer that the work is going to be carried out
Sound the general alarm before commencing work.
Notify all persons onboard at least 24 hours in advance of the work commencing.
Follow all ISM procedures relating to hot work including permit to work and hotwork permit requirements.
Complete the following statement from the options given. 'Following maintenance work to a single element, feed water regulator for a steam boiler it is necessary to...
..apply lagging to the whole device.
..apply lagging only to the parts that can be touched by personnel.
..apply lagging to the water connection only.
..apply lagging to the steam connection only.
Marine diesel engines are normally provided with automatic protection devices which operate in the event of abnormal conditions arising. Why would medium speed engines used for main propulsion normally only automatically slow down for certain abnormal conditions but automatically shut down for the same conditions when used to drive an alternator?
The gearbox and clutch of the propulsion system may be damaged if the engine suddenly stopped.
Sudden total loss of propulsive power may seriously endanger the vessel. This is a greater risk than engine damage.
Since the engine used for propulsion would usually be bigger the sudden stop would generate greater thermal stress which may damage the engine.
The vessel could continue to operate and manoeuvre without any electrical power at all as long as the main engine is still running.
The centre cargo tanks on your ship are made of stainless steel, while the wing tanks are made of mild steel with a zinc coating. Your ship is to load some Sulphuric Acid. Which tanks will it be loaded in?
It can not be loaded into any of the tanks on the ship.
Only the stainless steel centre tanks.
Only the zinc coated wing tanks.
Both the stainless steel centre tanks and the zinc coated wing tanks.
How can you arrange for safe movement of passengers on ro-ro decks?
Passengers should stay in their cars until loading is completed. They should keep to walkways when leaving the car.
Passengers are responsible for their own safety while moving about ro-ro decks.
It is easy, only drivers are allowed to stay in the car during loading and unloading.
Passengers should be warned of vehicle movements when entering or crossing car or vehicle decks. They should preferably keep to walkways while moving about the ship.
What will increase friction between the deck surface and cargo units?
Placing cargo units as closely as possible to each other
Placing soft boards or other anti-skid material under the cargo
Removing all traces of grease and oil from the decks
Tightening cargo lashings to the fullest extent possible
A mechanical seal, consisting of carbon and ceramic seal rings, is to be fitted to a cetrifugal pump shaft. What is the most likely result of not being extremely carefull when fitting this type of seal?
The spring and bellows for the seal can be easily damaged.
The rubber O rings for the seal can be easily damaged.
The seal rings are brittle and can be easily chipped or damaged.
The seal rings are hard and may score the pump shaft.
By what means can we monitor and control the integrity of the hull?
Documented operating procedures
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
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?
A general cargo ship is discharging and smoke is reported coming from a hold which is not being worked at present; what action must be taken ?
Sound general alarm, call shore fire services and check number of persons on board
Enter space to access problem
Boundary cool adjacent spaces
Open hatch cover and attack with fire hoses
When describing Crude Oil Washing on an oil tanker, what name is given to areas within a cargo tank that are not directly impinged, or hit by the stream from tank washing machines?
When does wind force cause heeling moments on a container ship?
When on-deck containers are block-stowed
Whenever wind speeds exceed 70 knots
Whenever wind speeds exceed 60 knots
When the on-deck containers present a certain profile to the wind direction
When would the cargo tanks of an LNG carrier normally be inerted?
Immediately after every cargo discharge operation.
Immediately before any of the ship's personnel enter the cargo tanks.
Before gas freeing for maintenance and inspection and after completion of the maintenance and inspection.
Immediately before every cargo loading operation.
Which of the following statements concerning an accidental oil spill in US waters is true?
The person in charge must report the spill to the US Coast Guard
A warning broadcast must be made by radiotelephone (VHF)
The Corps of Engineers is responsible for the clean up of the oil spill
The Department of Interior is responsible for the clean up of the oil spill
A small electric motor needs to be taken to the bottom plates for fitting to a domestic water pump. It is only just too heavy to be manually carried so is to be lowered using the engine room crane. Which of the options given would be a suitable strop to use for the operation?
Any piece of rope will do as the motor is only just too heavy to carry.
A wire strop which is rated for twice the required load but is out of certification.
Any strop which looks big enough to carry the load.
Any certified strop which has a safe working load greater than the weight of the motor.
The buoyancy forces upwards act at what part of the hull?
All over the underwater volume.
At the centre of gravity (G)
At the centre of buoyancy (B)
An engine room rating is assisting the duty engineer during a period of UMS operation. After completing the tasks they have been busy with the engineer and rating leave the engine room which is returned to UMS mode. The rating realises that an oil tank filling valve has been left open. What action should be taken?
Inform another crewmember that he is going back into the engine room to close the valve.
Inform the duty engineer immediately so that the engine room can be re-entered and the valve can be shut.
Just leave the valve open as it is unsafe to enter the engine room alone. The high alarm will sound to notify the engineer when the tank is full.
Re-enter the engine room straight away and shut the valve.
Which regulations apply to bulk carriers carrying products that contain oil?
Regulations laid down by individual classification societies
From the options given, select the one which controls the effective delivery stroke of a helix type fuel pump for a diesel engine to increase or decrease the quantity of fuel delivered.
The fuel master control valve
What name is applied to foods that have been prepared according to Jewish law?
The office phone, fax, telex and after office hours telephone numbers can be found in:
Vessel health, safety and environment manual
The Ship's emergency contingency manual
According to "Summary of minimum requirements" in the IGC Code, what is the requirement for vapour detection for methane (LNG) cargoes?
Flammable and toxic detection.
Flammable vapour detection.
What must be ensured prior to opening side-rolling hatch covers of a bulk carrier?
Hatch rollers are turning freely
Cross wedges have been removed
The wheels should have been raised up to the wheel track
Due to what could a bulk carrier fail a cargo hold inspection?
Loose rust around the cargo hold
Hardened rust spots on shell plating
Rust stained hopper tank plating
LNG cargoes are carried at temperatures well below ambient conditions. Which of the statements given in the options best describes how the low temperatures which are necessary are maintained during a normal loaded voyage?
The cargo tanks are fully insulated.
Most LNG carriers are fitted with reliquefaction plants.
The cargo tank pressures are maintained below atmospheric conditions.
The cargo tanks on LNG carriers are made of very thick metal.
What is the purpose of the discharge booster pump?
To increase the manifold pressure.
To maintain the cargo temperature.
To compensate for friction losses in the discharge line.
In ship's stability what is understood by the term "In stable equilibrium"?
The term "stable equilibrium" means when the cargo loaded in each hold is the maximum that hold can carry.
Stable equilibrium means the vessel is floating upright and has a positive GM
The term "stable equilibrium" means that the vessel complies fully with the International Loadline Rules
Stable equilibrium means the buoyancy force upwards and the force of weight downwards are equal and G and B are in the same vertical line
What is Inert gas ?
It is a gas containing insufficient oxygen to support combustion of hydrocarbons
It is a gas containing only nitrogen
It is a gas containing less than 21 % by volume oxygen
It is a gas containing no oxygen
Liquefied gas cargoes will expand as the temperature increases and therefore tanks are not allowed to be filled to 100%. What is the maximum allowable filling limit for the cargo tanks on liquefied gas carriers?
Maximum allowable filling limit on cargo tanks is 98% on gas carriers.
Maximum allowable filling limit on cargo tanks is 95% on gas carriers.
Maximum allowable filling limit on cargo tanks is 90% on gas carriers.
Maximum allowable filling limit on cargo tanks is 92% on gas carriers.
What is the possible concern if fuel tanks on a Bulk Carrier, which are close to cargo spaces containing grain, are excessively heated?
The grain cargo may produce methane gas
The grain cargo may be heated and damaged
What should be done prior to loading structural steel products on a General Cargo Vessel?
Dunnage of 7.5cm x 7.5cm cross section should be laid athwartships over the tank top about 3m apart
Dunnage should be laid fore and aft over the tank top
16mm wire cables should be laid athwartships over the tank top about 3m apart
16mm wire cables should be laid fore and aft over the tank top about 3m apart
The International Convention for the Prevention of Pollution from Ships (MARPOL) covers detailed regulations to prevent various sources of ship generated pollution. Annex I - VI deals with regulations for the prevention/ control of pollution from:
All Harmful Substances we have onboard
Proper Pollution Prevention Training
Harmful Substances in Packaged Form, Sewage, Air Pollution, Garbage, Oil and Noxious Liquid Substances in Bulk
Oil, Noxious Liquid Substances in Bulk, Harmful Substances in Packaged Form, Sewage, Garbage and Ballast Water
What does a "compactor" do?
It compresses and forms raw meat into burgers, patties and other pre-formed shapes prior to packing and freezing.
It disposes of waste material through high-temperature combustion.
It crushes and compresses garbage, such as food packaging, into a more manageable shape and form prior to disposal.
It crushes and grinds food waste into small particles that can be washed overboard as "grey water".
What should you ensure prior to battening down hatches for sea passage?
That cargo hold bilges are empty
That cargo clusters have been removed from all cargo spaces
That cargoes have been stowed according to the stowage plan
That hatch ventilators have been closed
A galley hot plate uses a Nichrome / Magnesium Oxide heating element and is to be tested before being put into service for the first time. An insulation resistance test yields a reading of 0.3 M Ohm. Which action should be taken?
Wash the element in a degreasing agent. Then retest and if ok put it into service.
Put the element into service.
Apply reduced voltage to the element for a few minutes. Then retest and if ok put into service.
Cargo compressors are fitted on LPG carriers as part of the cargo and vapour handling system. Why is it important to 'bar over' a piston type LPG compressor before starting it up?
To prove the oil pump is working.
To avoid low suction pressure during start up.
To reduce the electrical start up load..
To make sure there is no liquid in the cylinders.
During a stay in port, what shall always be ready at the gangway?
What factors do you consider as important before mooring a vessel?
Use of proper Personal Protective Equipment
Use of proper Personal Protective Equipment, Mooring stations should have effective hazard markings/ hazard highlighting, Stay clear of mooring ropes/wires, Be aware of Snap-back Zone, Proper procedures
Use of proper Personal Protective Equipment, Well maintained mooring equipment, Make sure the area is tidy and clean, Mooring stations should have effective hazard markings/ hazard highlighting, Stay clear of mooring ropes/wires, Be aware of Snap-back Zone, Proper procedures, Effective communication
Use of proper Personal Protective Equipment and be aware of Snap-back Zone
When is it good practice to check the pressure-vacuum valves?
After cargo transfer operations
Before the next dry-docking
During cargo transfer operations
Port State Control Officers are authorised to:
Detain ships that are not meeting the requirements for a minimum of 30 days
Regularly inspect ships known to meet the requirement
Inspect and detain ship that are not meeting the requirements until they are able to demonstrate compliance with the regulations
Sign oil record book entries
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