Le test consiste en des questions aléatoires sur un sujet sélectionné.
*Monoammonium phosphate used as a dry powder can be effective on:
solid, liquid, gases and metals
In the radio telex-traffic the landline-connection with a subscriber ashore will be broken with the following command:
To obtain “time and duration” after a telephone call with number 010-1234567 in the Netherlands, via an Inmarsat-terminal, one should enter after receiving the second dialling tone:
On board they want to establish a telex connection by HF-set with the ship Apollogracht. In the guides you find for the Apollogracht the following ID’s:244320000, 424432010, 424432020, 1300210, 36715. What ID should be chosen:
On board they want to establish telex-communication via the Inmarsat-set with the ship Appologracht. In the guides the following ID’s are found for the Appologracht: 244320000, 424432010, 424432020, 1300210, 36715. What ID should chosen:
A person slowly feel more sleepy and thirsty.The skin and slimhinner become very dry and there is a sweet taste of the breath. The glukose reaction shows positive. What kind of medicine will the person need as soon as possible?
Sugar lump, sugar drink or something sweet.
What is the most favorable heading of own vessel when launching a lifeboat / MOB?
Vessel steering with sea / weather astern.
Vessel have weather / sea abeam.
Vessel laying still in the water.
Vessel steering a few degrees off weather / sea (approx 30 degree).
A vessel engaged in fishing and a power driven deep draft vessel restricted in her ability to manoeuvre are crossing so as to prevent the risk of collision. Which vessel keeps out of the way of the other?
They should call on VHF to agree on the action to take
The fishing vessel keeps out of the way of the power driven vessel restricted in her ability to manoeuvre
Both keep out of the way of the other
The power driven vessel restricted in her ability to manoeuvre keeps out of the way of the fishing vessel
Two vessels are meeting each other in confined waters. What would be the effects of interaction between the two vessels as they approach each other?
The bows of the ships will be sucked together
There will be no effects in these circumstances
Each vessel will experience an increase in speed
The bows of the ships will be pushed away from each other
What would be the correct definition of the term "Squat"?
Squat is the reduction of underkeel clearance due to increase of water flow under the keel and an increase in the water pressure
Squat is the reduction of underkeel clearance of a ship when it moves through shallow water due to a reduction in water pressure.
Squat is the loss of effectiveness of the rudder and propeller as a ship moves through shallow water due to the reduction of water pressure.
Squat is the reduction of underkeel clearance and the possible change of trim of a ship when it moves through shallow water due to a reduction in water pressure.
The ship is in a sharp turn and the log shows sideways motion to port both forward and aft. Where is the "pivot point" located?
At 1/6 of the ship-s length aft of the bow, but in the center line
If a ship requires 2 nautical miles to stop in the water from a "crash stop" when proceeding at full ahead in deep water. What will the stopping distance be in shallow water?
Similar distance to deep water
Your vessel is transiting the Panama Canal. Which manning level is applicable?
Sufficiently manned with officers and crew to permit safe handling of vessel
A reduced crew is acceptable since the Panama Canal authorities are supplying transit crew
Manning level as per statutory requirements + 10% more to handle mooring equipment
Manning level as per (statutory requirements) masters discretion
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
As per SOLAS regulations, the general emergency alarm system must be tested:
You are in an area of restricted visibility and hear this signal. It is repeated at two minute intervals. What does it indicate?
That there are two more vessels nearby.
That there is another vessel in the vicinity and that she has just altered course to port.
That there is another vessel nearby, that she is underway, but stopped and making no way through the water.
That there is another vessel nearby, but that she is at anchor.
Indicate the correct name for the tool on the sketch:
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
What is the minimum number of independently driven fire pumps that must be provided on passenger ships of 4000 tons gross tonnage and upwards?
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
Why do we use oil free compressors on the cargo side in a cargo cooling plant?
We use oil free compressors in the cargo side to avoid oil spill into the cargo.
We use oil free compressors in the cargo side because they have less RPM than the oil lubricated compressors.
We do not use oil free compressors in the cargo side because the compressors need to be lubricated.
We use oil free compressors in the cargo side because the cargo is cold and to cool down the compressor.
What is essential with liquefied gas fires
To isolate the fuel source before extinguishing the flames on a gas fire
To cool down the surroundings and extinguish the fire
To immediately start extinguish the flames with water
You are testing the atmosphere in a cargo tank on an oil tanker, for the purpose of approving it as safe it for crew members to enter at the end of tank cleaning operations. According to the industry standard guidelines (ISGOTT), what measurements must be obtained before this permission is granted?
8% oxygen by volume and 0% hydrocarbon vapour concentration
21% oxygen by volume and less than 1% LFL hydrocarbon vapour concentration.
Minimum 17% oxygen by volume and not more than 1% LFL hydrocarbon vapour concentration.
21% oxygen by volume and less than 1% UFL hydrocarbon vapour concentration.
You are proceeding up a river, with berths on both banks. You see this flag hoist on a vessel moored on a berth ahead. What does it mean?
Caution! I have an anchor down.
You should proceed at slow speed when passing me.
I am about to depart the berth.
Following replacement of a diesel alternator governor the machine is test run on load. It is found that as the load is gradually increased the voltage and the frequency gradually fall to an unacceptable level. The governor is a mechanical hydraulic type. Select from the options given the correct adjustment to make to correct the situation.
The governor load limit should be increased.
The governor droop should be increased.
The governor droop should be reduced.
The governor load limit should be reduced.
A medium speed diesel engine, operating with a pulse turbocharging system, has been adjusted to have good power balance. What would the cylinder exhaust gas temperatures, relative to each other, be expected to be?
plus or minus 5 degrees Celsius.
All cylinder exhaust temperatures should be equal if the cylinder power balance is correct.
plus or minus 70 degrees Celsius.
plus or minus 30 degrees Celsius.
How many rescue boats should be provided on ro-ro passenger ships of 500 gross tons and above?
None providing the ship has lifeboats
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
What is the most likely cause of the clean oil outlet pressure being higher than normal when operating a centrifuge as a fuel oil separator?
Valve in the outlet line incorrectly positioned.
High fuel oil temperature.
What should you observe when patrolling public areas on board?
If all the fire extinguishers are in place and that fire doors are open
All abnormalities that may affect the safety/ security of passengers, crew and the ship
What is required in accordance with IMO's requirements regarding cargo segregation?
Personnel on board passenger vessels must undergo training courses before they can be part of the safe manning and assigned to emergency duties on board. What is minimum training requirement for all personnel?
Basic Safety Training Course
No Training Course is required as long as the personnel have relevant experience
Basic Safety Training Course and Company Specific Familiarisation Course
Basic Safety Training Course and Crowd & Crisis Management Training Course
How many separate means of escape from passengers and crew spaces should it be in each zone?
What is a Gangway?
A Gangway is an interval of time between a change of working gangs, on board
A Gangway is a portable means of access to a ship
A Gangway is an accommodation ladder
A Gangway is a temporary means of access into the cargo holds
Which IMO publication deals specifically with the construction and equipment of liquefied gas carriers?
How is the prime mover load normally kept to a minimum when starting up an electric driven reciprocating type air compressor?
By using an unloading device to keep the compressor delivery valves open until the machine is up to speed.
By using an unloading device to keep the compressor suction valves open until the machine is up to speed.
By keeping the second stage drain valve open until the machine is up to speed.
By keeping the main discharge valve closed until the machine is up to speed.
What should you do in case of any fire breaks out?
Alert the bridge, Rescue human life, Extinguish if possible by use of available fire fighting-fighting appliances, Secure the area/ damage control
Fight the fire and report to the bridge when you have extinguished it
Ask passengers to assist you with fire-fighting
What is the maximum stowage height for containers on deck of a General Cargo Vessel, if the vessel is not specifically designed for the carriage of containers?
The maximum height is two containers
There is no limit apart from point load limitations
The maximum height is one container
Containers must not be carried on deck
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
Is it required to have full secondary barrier on spherical Type "B" tanks?
Yes, and the secondary barrier must be able to contain tank leakage for a period of 15 days.
Yes, if the tank is not crack propagation resistant.
Yes, it is required to have full secondary barrier.
Only partial secondary barrier required.
Which of these situations will not result in an emergency shutdown of cargo operations?
Failure of the hold ventilation system
The vessel developing and sudden and unexpected list
The loading ramp being lifted clear of the jetty
The sign on the image indicates:
Location of lifebuoy with self-igniting light and self-activated smoke signal
This is the location where you should operate pyrotechnic equipment (Buoyant smoke signal, hand flares and rocket parachute flares) In case of an emergency
Location where you should throw lifebuoys in case a man- over-board situation occurs.
The operation of a diesel engine is controlled by a mechanical-hydraulic, compensated speed sensing governor. How will the governor control be affected if the compensation needle valve is closed in and the engine load changes?
The governor will hunt resulting in erratic engine speed control.
Engine speed control will be sluggish.
A change in load will not affect a speed sensing governor.
Altering the compensation needle valve has no effect on speed control.
From the options given, select the main reason why conventional mercury thermometers should not be used for taking pulp readings of a fruit cargo on a reefer vessel.
This type of thermometer is not sufficiently accurate.
This type of thermometer is difficult to calibrate.
This type of thermometer is not sufficiently portable.
The mercury may contaminate the fruit if the thermometer is broken while taking the readings.
What must be accessible at all times whilst loading and stowing ro-ro cargoes?
Fixed cargo lashing points
The vessel's bracket connections to ro-ro decks
When washing a cargo hold of a bulk carrier prior to loading a cargo of steel products, why is the space washed down with salt water and then fresh water?
To maintain safe access by hold ladders
To assisting in drying the hold space
To prevent damage to paint coatings
To remove all traces of salt that would possibly contaminate the cargo if water drops onto the cargo
Where should the vehicle belonging to a disabled person be placed?
Preferably near an elevator or a place where you have easy access to the stairways
In the after part of the car deck
As close to the bow door as possible to avoid any traffic jam during discharging
During cargo tank gassing up and cooling down operations on an LNG carrier which of the given options, regarding temperature, needs to be observed?
Always control the vaporisers so that the temperature of methane vapour is lower than existing tank atmosphere temperature.
Never allow temperature of the insulation to fall below the safe minimum temperature.
Always control the outlet temperature of methane from the vaporiser.
Always control the temperature in the shore supply line.
Why is it recommended that a person who handles food stuffs should avoid using perfume and scented anti-perspirant body sprays?
Because the heat of the galley may react with the chemicals in the perfume, causing the user to scratch persistently.
Because there is a possibility that the scent can transfer to the food during handling.
Because the strong vapours could mask the sense of smell and taste of the cook, leading to an incorrect level of seasoning being added to the food during cooking.
Because the heat in the galley can cause the alcohol in the perfume or body spray to evaporate and the user may become intoxicated.
What items of container securing equipment must be used in conjunction with buttresses?
Single stacking cones and bridge fittings
Double stacking cones or link plates
Indicate the correct name for the part marked on the sketch:
Some large slow speed diesel engines have jack bolt arrangements for retaining the main bearing top keep in place rather than the more conventional stud bolts. How does this arrangement affect the maintenance and checking procedures for the tie rods on the engine?
It has no effect since the tie rods and jacking bolts have completely separate functions.
The tie rods should be fully tensioned before the jacking bolts are loaded to avoid overload of the bearing caps and frame structure.
The tie rods and jacking bolts must be tightened simultaneously to avoid excess load on either component.
The jacking bolts should be fully loaded before the tie rods are tensioned to avoid excess loads on the tie rods.
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 mechanical friction clutch.
What name is given to the process on an oil tanker, when inert gas is being blown into a cargo tank, to reduce the level of oxygen it contains?
On the figure 4 possible definitions of the term "FORWARD" are given. Which one is the correct one?
Forward is given by B on the figure
Forward is given by C on the figure
Forward is given by A on the figure
Forward is given by D on the figure
A vessel is carrying a refrigerated cargo under controlled atmosphere (CA). From the options given, select the most appropriate degree of opening of the air change vents when operating CA.
After communication plugs are connected, the ESD is tested from?
What is the correct method to use for fitting a rolling contact bearing, such as a ball bearing, onto a parallel shaft?
Use emery cloth on the inner ring (contact surface) of the bearing.
Use a hammer and a pipe with the same diameter as the inner bearing ring and knock the bearing onto the shaft.
Gently heat the bearing in an oil bath and use a bearing puller to draw it onto the shaft..
Use emery cloth on the bearing surface on the shaft.
What is the preferred method of accommodating expansion in cargo pipeline systems on gas carriers?
Use Viking Johnson expansion couplings.
Which of the given statements is true in relation to the features and operation of a 4 stroke diesel engine ?
4 stroke engines are not required to have crankcase relief valves fitted.
The camshaft rotates with half the RPM of the crankshaft in a 4 stroke engine.
A 4 stroke engine always has scavenge ports near the bottom of the cylinder liner.
A 4 stroke engine has an ignition towards the end of every upward stroke of the piston.
Which plan shows the position of the centre of gravity of every tank aboard the ship?
Why is it important in a RoRo vessel to ensure that cargo is loaded in a uniform way
because it looks better and image is important
because it makes it harder to lash the cargo correctly if you don't
To prevent high sheer forces and bending moments on the vessel during the loading / discharge operations
The wire mesh guards for the fans of refrigerated containers sometimes have coloured ribbons tied to them. Which of the options is the reason for fitting these ribbons?
To indicate if the fan is running too slowly.
To indicate that the fan is running in the correct direction.
To indicate to the crew that the fan is running as a safety consideration.
To indicate that the fan is running at the correct speed.
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
What is the punishment for a master or any other person in authority on board a ship if he or she treats a person carried on the ship in an improper manner or fails to prevent his being so treated by other persons onboard?
Shall bi liable to imprisonment for a term not exceeding 9 months.
Shall bi liable to fines.
Shall bi liable to fines or imprisonment for a term not exceeding 6 months.
Shall bi liable to fines or imprisonment for a term not exceeding 12 months.
According to the Oil Pollution Act of 1990 (OPA-90), oil carrying vessels trading in U.S. waters are required to carry oil spill clean up equipment for the containment and removal of on-deck spills. For a vessel of over 400 feet (121.9 metres) in length, what volume of oil must they be able to handle?
15 barrels (2.38 cubic metres).
1barrel (0.16 cubic metre).
5 barrels (0.79 cubic metre).
12 barrels (1.91 cubic metres).
Is it required to have supplementary emergency lighting on board passenger ships?
Yes, all passenger public spaces and alleyways shall be provided with supplementary electric lighting
No, reflective marking indicates the escape routes
No, passengers should bring their own flashlights
No, portable battery operated lamps shall be provided in alleyways and public spaces
What are ‘Dangerous Goods’ within the context of containerisation?
Goods that are liable to explode
Substances, materials and articles covered by the International Maritime Dangerous Goods (IMDG) Code
Goods that are self-heating and liable to spontaneous combustion
Goods that are liable to cause damage to the ship
What is the world-wide system operated by the US Coast Guard exclusively in support of search and rescue operations?
The Worldwide Maritime Mutual Assistance Programme (WMMAP).
The U.S. Command and Control Rescue (USCOMR) Service.
The International Search and Rescue Coordination System.
The Automated Mutual-Assistance Vessel Rescue (AMVER) System.
Which of the following statements is incorrect with regard to preparing the cargo holds for receiving bagged cargoes?
Cargo holds should be free of infestation
Cargo holds should be clean
Cargo holds should be free of cargo residues
Which inert gas systems use only gases from the ship's main or auxiliary boilers?
Combination - inert systems
What is ‘Design Load’?
The total weight of cargo
The total weight of cargo subject to athwartships and longitudinal accelerations
The total weight of cargo subject to vertical accelerations
Loads for which the ship’s decks and hatchcovers are designed
What kind of pumps are used as main discharge pumps on gas carriers as cargo pumps?
On gas carriers multistage submerged pumps are used as main cargo pumps.
On gas carriers multistage deep well pumps are used as main cargo pumps.
On gas carriers multistage deep well or submerged pumps are used as main cargo pumps.
On gas carriers multistage booster and single stage deep well pumps are used as main cargo pumps
During the cycle of a four stroke diesel engine there is a load reversal on the bottom end bearing when the load transfers from the upper part of the bearing to the lower part. What is the main cause of this load reversal on a modern, turbocharged, medium speed diesel engine?
The light alloy materials used for the piston skirt.
The lack of gas load to oppose the inertial forces generated during the exhaust stroke.
The inertial forces generated during the upward strokes of the piston (compression and exhaust strokes).
The suction effect on the piston during the air intake (induction) stroke.
You have just completed the discharge of a cargo of Lube Oil additive and are clearing the ship's lines to shore. What piece of equipment can be fitted between a drain cock and the air line to safely release any excess pressure before disconnecting the air line?
When should a spreader be used for general cargo operations?
When the weight of a load needs to be evenly distributed by the lifting gear
When the length of a load is such that slinging it will create unacceptable bending moments
When the length of a load is such that slinging it will create sagging
When handling open-top containers
What would be the correct form of response to the question: What is the visibility in your position?
The correct form of response would be: Visibility is poor
The correct form of response would be: Visibility is okay
The correct form of response would be: Visibility in my position is two hundred meters
The correct form of response would be: Visibility is medium
What name is given to the part of the discharging operation on an oil tanker when the last remaining contents of a tank or line are being pumped out?
What is ‘Reserve Buoyancy’?
The buoyancy provided by all enclosed spaces above the waterline
The residual buoyancy at an angle of loll
The residual buoyancy at the maximum righting lever
The buoyancy provided by all spaces above the waterline
What should crew members not assigned to emergency teams, do?
Crew members not asigned to emergency teams should ensure the proper operation of the remote control equipment
Crew members not asigned to emergency teams should be ready to assist the engine-room emergency team
Crew members not asigned to emergency teams should be integrated in the emergency team
Crew members not asigned to emergency teams should prepare survival crafts and render assistance, where required
What is the purpose of introducing inert gas into cargo tanks?
To create a non-explosive atmosphere in the tank.
To reduce the static electricity potential in the tank.
To prevent evaporation of cargo.
To make the tank safe for entry.
Which is the preferred state to have the main turbine in while shutdown for a short stay in port?
Left with autospin operating to give periodic turning.
Gland steam left on to keep the rotor and casing warm and with turning gear switched off but engaged to 'lock' the rotor in position.
Turning with the turning gear and gland steam on.
All steam shut off with turning gear switched off but engaged to 'lock' the rotor in position.
During loading of palletised, chilled, perishable goods it starts to rain heavily in the port area. Some of the cargo pallets have been placed on the quay ready for loading. Select, from the options given, the best course of action to be taken to minimise any damage to the cargo.
Return the cargo to the cooling sheds until the rain ceases.
Shift the cargo to a position where there is overhead shelter.
Shift the cargo onto the deck and cover with a waterproof sheet.
Cover the cargo with a waterproof sheet.
What are the immediate duties of the bridge Officer of the Watch when the ship suddenly runs into a fog bank?
Commence sounding the fog signal and reduce speed to Slow Ahead
Commence sounding the fog signal and call the Master and wait for him to arrive before taking any further actions
Commence sounding the fog signal and if the radar indicates no echoes in the vicinity, proceed at the normal speed until ships are detected on the radar or until the fog lifts
Commence sounding the fog signal, engines on standby, call the Master and lookout, if not already on duty
What advantages does the radar have over the eye?
Subject to night adaptation
Poor at assessing distance
Degradation through glare
What is the best method for ensuring that the cylinder powers of a high speed diesel engine, fitted with a monoblock multi-cylinder fuel pump, are correctly balanced?
Measure the maximum pressure of each cylinder to check that they are equal.
Take a set of indicator cards using a mechanical indicator and calculate the cylinder powers.
Check the exhaust temperatures on each cylinder to see if they are equal.
Have the fuel pump phased and calibrated in a test workshop.
You have just started to load Dicyclopentadiene to 5 port and starboard cargo tanks, but no cargo seems to be coming into the tanks. What will you do?
Carefully slack the bolts back on the connections, working initially on the off-shore mainifold, to determine how far the pressure extends in the ship's pipeline system, to identify which valve is giving the problem.
Stop cargo - notify the Duty Officer and / or the terminal dependng on the agreed communication procedure. Re-check the lines, valves and connections carefully, bearing in mind that there might be a build-up of pressure. Report as appropriate.
Open the main lid on the tank and use a flashlight to try and see if there is a problem with the pump or line inside.
Say nothing. Re-check all valves. Just open it, if one is found closed.
Which component does this graphical symbol illustrate?
Level switch for centre-tank
Local level controller with indicator
Remote level controller with indicator
What is the minimum number of relief valves to be fitted to any cargo tank of greater than 20 cubic meters capacity?
Minimum one pressure relief valve.
The number of relief valves is dependent of type of gas carrier.
At least two pressure relief valves.
Minimum two pressure relief valves in addition to the MARVS.
Which part of the magnetic compass error changes with a change in the course steered?
All of the suggested answers
Which of the following conditions will block the starting signal for the air start system of a medium speed diesel engine which is being used for main propulsion purposes?
Low jacket cooling water temperature.
Valve rotators not operating.
Low start air pressure alarm.