Le test consiste en des questions aléatoires sur un sujet sélectionné.
A polarisation of a radio wave is determined by:
Messages sent via INMARSAT C are charged
on the number of kilobits of information transmitted per block of 1024 bits
on the basis of a three minute minimum charge with one minute incremental steps
on the basis of a six second minimum charge with six second incremental steps
on the number of kilobits of information transmitted per block of 256 bits
You are Sen.Off.Deck on a vessel and you have collided with another vessel which is on fire. What would you do?
Check own vessel for any loss of life, danger of explosion and offer your assistance to the other vessel
Leave the other vessel because the other vessel was to blame for the collision
Stay close to the other vessel and commence fire fighting procedures
Commence arguing with the other Sen.Off.Deck about the reason for the collision
Once a ship (equipped with self-stowing auto-tension winches) is moored alongside a loading or discharging berth, it is recommended that:
All winches to be left with the manual brake on and out of gear.
All mooring winches be left in 'auto-tension' mode
The 'spring' winches be left in the auto-tension mode and all other winches with the manual brake on
The 'breastline' and 'headline' winches be left in the auto-tension mode and spring winches with manual brake on
How can you minimize the squat effect?
Decrease the speed as much as practicable
Maintain your course and speed
Increase speed if the ship is not already on full ahead
Do a zig-zag manoeuvre to reduce speed
A ship is not turning around the center of gravity, but another point. What is the point called?
What is the correct understanding of the term "a ship with good Directional Stability"?
A ship which when the rudder is left amidships, it will continue on approximately a straight course
A ship where the amount of positive transverse stability (GM) will vary with the direction of the ship's head.
A ship which will maintain its course unless large rudder angles are applied.
A ship which when a rudder angle is applied and the ship starts to swing, will continue to swing even after the rudder is returned to amidships
Sea area A4 is in maritime radio traffic a sea area:
with the exception of sea areas A1,A2 and A3, within the range of Inmarsat-satellites, where continuous alarm is available
within VHF-radiotelephony-range of a coast station or coastguard station, where continuous DSC-alarm is available
outside the sea areas A1, A2 and A3
Which of the following requirements regarding life-buoys do NOT correspond to present regulations? (SOLAS III/7.1)
Not less than half the total number of lifebuoys shall be provided with self-igniting lights
All life-buoys shall be placed in holders with quick-release arrangement
at least one life-buoy on each side of the ship shall be fitted with a buoyant lifeline
At least one lifebouy shall be placed within the vicinity of the stern
What is meant by the term "segregation"?
The stowage of cargoes when calculated by a computerized load program.
The planned, separated stowage of cargoes that may react dangerously with each other in the event of leakage or other damage.
The process of electronically transferring the data on cargoes loaded on a vessel between the load port and the discharge port, such that import dcumentation is prepared in advance of the vessel's arrival.
The planned adjacent stowage of packaged goods, thereby confining a listed hazard within the same area of the ship.
Who is responsible for issuing an ISPS certificate?
On a RoRo vessel, to what should a heavy vehicle be secured on a car deck?
A conventional reefer vessel fitted with derricks has four large diameter Yokohama fenders supplied by the charterer. What kind of cargo operation from those given in the options is the vessel most likely being chartered for?
Loading at a dock equipped with poor fendering.
Loading cargo from barges.
Transhipment in the open sea directly from fishing boats.
Loading at a dock which experiences a large tidal range and at which strong winds are common.
What is the purpose of the decanting line between two slop tanks on an oil tanker that is using water for the washing of the cargo tanks?
To enable the filling of the secondary slop tank via the primary slop tank.
To enable most of the recovered oil to be retained in the primary slop tank, while the cleaner part of the water will flow into the secondary slop tank, where it can be re-used as wash-water.
To enable both the primary and secondary slop tank to be filled without using the main cargo lines.
To avoid a build-up of static electricity during water washing, caused by air being drawn in as the primary slop tank empties.
Why are crankcase heaters fitted to freon compressors?
To stop oil from thickening.
None of the mentioned alternatives.
To prevent freon condensing when the compressor is stopped.
Air bags (dunnage bags) are widely used for securing palletised refrigerated cargoes. In the case of a fruit cargo, which of the given options should the user be aware of?
Over inflation can crush and damage the soft tissue of the fruit.
Over inflation can distort the pallet stack.
Over inflation can distort the air bag.
Over inflation can damage the ship's structure including the insulation.
When LNG is used as fuel a double wall piping system must be used in the engine room. What condition should the annular space between the concentric pipes be maintained in when the fuel system is in service?
Filled with nitrogen at a pressure greater than the LNG fuel pressure.
Filled with nitrogen at a partial vacuum.
Filled with nitrogen at a pressure less than the LNG fuel pressure.
Maintained at a full vacuum.
At what relative pressure should the superheater safety valve be set to lift at to ensure that adequate steam flow is maintained through the superheater in the event of boiler overpressure?
The same as the lift pressure of the main steam drum safety valves.
Less than the lift pressure of the main steam drum safety valves.
Greater than the lift pressure of the main steam drum safety valves.
3% above normal boiler working pressure
Pump rooms on oil tankers shall be provided with a fixed fire-extinguishing system. Which of the following systems is in accordance with present regulations? (SOLAS II-2/63)
Fixed pressure water spraying system
Fixed high expansion foam system
Fixed CO2 fire-extinguisher system
Fixed powder fire-extinguishing system
What are the responsibilities of a watch-keeping engineer?
The responsibilities of a watch-keeping engineer are to inform the Master of all events that occur duing the watch.
The responsibilities of a watch-keeping engineer are to inform the Chief Engineer of any situations that cannot be controlled during the watch
The responsibilities of a watch-keeping engineer are to by-pass, adjust and isolate all machinery under his supervision.
The responsibilities of a watch-keeping engineer are to ensure that all engine room ratings are wearing protective clothing.
If all indications are that a cargo has been received without damages, irregularities or short shipment and the phrase "apparent good order and condition" are entered on the Bill of Lading, what type of Bill is this said to be?
An endorsed Bill of Lading.
A Due Title Bill of Lading.
A Bill of Lading completed for shipment.
What should you do if you are in the engine room and the alarm for "CO2 release into the engine room" sounds?
Leave the engine room immediately.
Wait to make sure that the CO2-system is discharging into the engine room before leaving.
Immediately go for the nearest fire extinguisher.
What will be the probably outcome if the amplification is set to high on the controller
The process response will be very slow
The process will oscillate and get out of control
The set-point will change
On a container vessel, what should be referred to when taking action to deal with a cargo spillage under-deck?
The ship's Contingency plan
The Dangerous Cargo Manifest
The ship's Safety Management System (SMS)
Too high exhaust temperature in one cylinder becomes because of:
Charge air temperature is too high.
Water leakage in the cylinder.
Too much lubricating oil in the cylinder.
Injection valve opening pressure is too low.
When is a vessel considered unseaworthy?
When cargo has been damaged due to heavy weather
When cargo has been damaged due to ingress of water
When due diligence has not been exercised to make it seaworthy
When it is not cargo worthy
Which types of compressors are used as cargo compressors onboard gas carriers?
One, two and three stage piston compressors.
One, two and three stage screw compressors.
Oil free screw and piston compressors.
Piston, screw and centrifugal type compressors.
What are the characteristics of Seed Cake containing vegetable oil UN 1386 when carried in bulk?
May self-heat slowly and if wet ignite spontaneously
This cargo may release carbon monoxide
This cargo is non-combustible and low fire risk
Modern medium speed diesel engines normally have relatively short crankshafts with large diameter pins. How do these design features affect the reliability of crankshaft deflection readings?
The design of the crankshaft has very little effect on the readings when compared to the inaccuracies that arise due to human error.
Very short, stiff crankshafts do not deflect even when the engine is running so the readings are unaffected.
They increase the risk of inaccurate readings due to the 'stiff' shaft having very small natural sag which may therefore result in 'floating journals' in the static condition.
They reduce the risk of inaccurate readings as the large diameter pins result in a relatively heavy shaft which will reduce the risk of 'floating journals'.
The seating surface of a superheater handhole door on a boiler has been damaged due to leakage of superheated steam leaving a cut across the surface. Which repair method, from the options given, would be the most effective?
Machine the surface until the cut has been removed and a new full seating area is formed.
Fit a more pliable gasket to take up the irregularities in the surface.
Build up the cut with weld and re-machine the seat.
Fill the cut with plastic metal and file smooth.
" On area A1 the function "" Transmission and reception of signals for locating "" is mainly based on:"
the use of SART transponders
the use of INMARSAT Epirbs
the use of SARSAT COSPAS Epirbs
In a PID controller we have possibility to change the setting of the Proportional band (P), the Reset time (I) and the Rate time (D). Please indicate which curve shows the typical response to change in input, if the setting of the reset time is too fast.
Select the option which correctly completes the following statement. 'Prior to allowing work to proceed in an onboard space testing of the atmosphere should be carried out…
…for any space with limited access or non-continuous ventilation or is suspected of having a hazardous atmosphere.
…only if the space has been used to carry any cargo or contains any cargo related equipment.
..only if the space has contained liquid oil at some point.
…only if the space has a watertight door or watertight access opening.
Once a vehicle has been stowed on board what should duty crew members ensure?
That the duty officer is notified of the vehicle’s position
That a photograph is taken of any damages
That the vehicle is lashed immediately
That there is no sign of tampering with internal accessories
You have been tank-cleaning at sea and are about to arrive in port and go alongside the terminal for loading several grades of chemicals. Many of the lines (headers) have been open for drying and inspection, but will not be required for this particular operation. What should you do with them?
Fit and secure a blank flange to every line that is not required.
Leave the blank flanges off, but hang a label over each line that will not be required, stating "not to be used this port".
Leave the lines open, but tie-off (or otherwise secure) the manifold valves so that they can not be operated by accident.
Leave the lines open to prevent condensation building up inside.
A large 2 stroke engine is normally controlled from the bridge during manoeuvring. In this type of automated control for the starting system what would normally cause the 'Engine Failed to Start' alarm to be activated and to lockout starting from the bridge?
A single failed start attempt.
Low start air pressure irrespective of the number of failed start attempts.
3 failed start attempts if the start air pressure had fallen to less than a set value.
What type of ships are LNG carriers as designated in the IMO IGC code?
On a General Cargo Vessel, what do Tonnes per Centimeter Immersion (TPC), Moment to Change Trim by one Centimeter (MCTC) and Longitudinal Centre of Floatation (LCF) have in common?
They vary with small angles of heel
These vary with the gross tonnage of the vessel
They vary with changes in displacement
They remain unaffected by changes in displacement
What would you do if you saw a container being damaged during loading operations?
Note the date and time of occurrence, container number and if possible take photographs
Inform the relieveing watchkeeper
Three earth lamps indicate - bright - bright - dark. Which of the following is indicated by this condition?
Two phases are good and one has a partial fault to earth
Two phases are good and one has a hard fault to earth
No faults on the system but a failed lamp
Two phases have a partial fault to earth and one is good
When loading steel coils, which is the ‘locking coil’?
The final coil loaded at the centre of the stow in second, third and fourth tiers
Any coil at the extremity of the stow
The exhaust gas temperatures of all cylinders of a diesel engine are seen to be high. Select, from the options given, the most likely cause of this.
High wear rate in one of the fuel injection pumps.
One of the fuel cams is worn.
Insufficient cooling of the main bearings.
In a smoke filled alleyway where will the cleanest air be found, and how should you proceed out?
Sit and wait for the rescue party.
It will be the same in all parts, therefore I would just leave as quickly as possible.
Near to the deck, crawl out keeping your face as near to the deck as possible.
Towards the upper part, stand as tall as possible and walk out.
Which of these actions should you take it your ship is successfully boarded by armed pirates?
Scream in fear and refuse to cooperate.
Keep quiet and ignore any questions you’re asked.
Assure your captors that you’re not planning an attack to overthrow them.
Do we have to enter "internal transfer of cargo" in the Oil Record Book?
Only if case of overflow.
Only if cargo contain H2S.
How is the pressure in the cargo containment system of a conventional LNG carrier controlled during normal operation?
By using the boil-off gas as fuel for the ships propulsion plant.
The gas vapour is evacuated to the atmosphere via the vent-line.
The gas vapour is taken from the vapour header and passed through the demister and into the LD Compressor and evacuated to the atmosphere via the vent mast.
The upper airway consists of:
Mouth, throat and trachea
If a cargo leak occurs onboard a liquefied gas carrier it is likely that a 'white' vapour cloud will form. What makes the vapour cloud look white?
Condensation of nitrogen in the air.
Condensation of cargo vapour in the air.
Condensation of oxygen in the air.
Condensation of water vapour in the air.
What must be checked carefully before commencement of ballasting tanks on a bulk carrier, when operating in very cold conditions?
Air pipes and sounding pipe open
No special precautions need to be taken.
Air ventilator pipes closed.
All air ventilators are open and free from ice build up.
When can a vessel load concentrates whose moisture content exceeds the Transportable Moisture Limit?
When proved to an Administration that there is adequate stability
When the distance to the next port is less than 200nm
When proved to an Administration that there is adequate structural integrity
When proved to an Administration that there is adequate stability as well as structural integrity
What must the oxygen content of the atmosphere within the cargo tanks of an oil tanker be prior to loading?
It must not exceed 8% by volume.
It cannot be in excess of 12% by volume.
It must be no greater than 5% by volume.
It must be less than 10% by volume.
What could be the reason for the magnetic compass to swing through large angles when the ship is rolling in a seaway?
The error due to deviation is large for that ships heading
The heeling error magnets are upside down and/or not in the correct position.
The Coefficient B determined by the Compass Corrector at the last dry-dock was not correctly calculated.
The induced magnetism from the earth's magnetic field is very strong in that area
Cross flooding arrangement
Self acting ballast trimming arrangement
What is an analogue signal?
A measure of voltage using an oscilloscope.
A stable electric signal.
A continually variable electric signal.
A measure of electric current.
What is the main purpose of a heat exchanger in a cooling water system?
To reduce water turbulence
To maintain a steady pressure in the system
To reduce engine room temperature
To transfer heat from one fluid to another
Which ideal heat engine cycle is the vapour-compression refrigeration system based on?
The reversed Carnot cycle.
How frequently should the PA-system (Public Address) be tested?
A cable carries a current of 1500A at 660 Volts and has a voltage drop along it's length of 30volts. Assuming the cable insulation is good enough to work at High Voltage, what would be the voltage drop when supplying the same amount of power at 6600 Volts.
Does MARPOL apply to liquefied gas liquefied gas carriers?
Which of the given options characterizes a 2-stroke diesel engine ?
The piston always has a short skirt.
A 2 stroke engine always has 2 or more turbochargers.
A 2 stroke engine completes a full cycle every revolution.
A 2 stroke engine has an air inlet valve in the cylinder cover.
Loading of a palletised cargo onto a conventional reefer vessel is almost complete. The final pallets are to be loaded into the hatch square pre-slung. Which of the options is the main reason for loading these final pallets pre-slung?
To allow the stevedores at the loading port to complete operations quickly.
To allow a quick start to cargo discharge without damaging any of the cargo.
So that the stevedores at the discharge port know which pallets to unload first.
To allow a tight stow at the completion of loading in the hatch square.
What should be done when flammable vapours are detected in a cargo hold?
Stop the hold ventilation and close all ventilator covers
Stop the hold ventilation
Run the hold ventilation in ‘supply’ mode
Run the hold ventilation in ‘exhaust’ mode
On most ro-ro passenger ships there is no requirement to carry out drills with the passengers. What is the most effective ways of informing embarking passengers about the emergency procedures?
Information on boarding cards, public announcement on departure, posters in public areas and cabins, safety video running continuously
Posters in public areas and cabins, safety video running continuously
Information from the crew
Safety video and folders in tax free shops
So as to avoid possible cargo claims at the discharge port what should be maintained besides the cargo lashings?
Hatch covers, hatchways and cargo hold ventilators
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
If left-over cooked meat is to be re-used in another meal, which of the following precautions must be taken?
The meat must be fine chopped to ensure it re-heats to at least 70 degrees Celsius as quickly as possible; it must not be mixed with newly preared raw meat; the dish in which it is used must only be heated once.
The meat can be directly added to another dish and musdt be re-heated to the temperature required by the new recipe; it can then be re-heated for further servings provided it is refrigerated in between.
The cooked meat must have been refrigerated until required; it can be taken out, chopped and mixed thoroughly with newly cooked ingredients, to ensure it is adequately re-heated. If it cools before serving, it can be warmed through on a hot plate or under a heat lamp.
The meat must be sliced to a thickness of less than 5 mm to ensure it re-heats to at least 50 degrees Celsius during cooking; it can only be layered with other previously cooked ingredients; the dish in which it is used can be re-heated again, provided it is refrigerated between each serving.
The pair of instruments necessary for generator synchronising are:
Voltmeter and synchroscope
kW meter and frequency meter
Synchroscope and kVar-meter
Which of the given options is IMO's definition of liquefied gas as used in its Gas Codes?
Liquid with vapour pressure exceeding 2.8 bar absolute at a temperature of 73.8 C.
Liquid with vapour pressure exceeding 2.8 bar absolute at a temperature of 37.8 C.
Liquid with vapour pressure exceeding 1.8 bar absolute at a temperature of 38.7 C.
Liquid with vapour pressure exceeding 1.8 bar absolute at a temperature of 87.3 C.
What is the primary hazard associated with the carriage of a bulk cargo of salt on a Bulk Carrier?
There are no special hazards associated with this cargo
The cargo may be liable to self heat.
The only possible hazard is associated with ingress of water into the hold and a loss of stability
This cargo maybe liable to spontaneous combustion
What is the correct sequence of washing a cargo hold?
Saltwater wash, freshwater rinse, dry, sweep
Freshwater wash, saltwater rinse, dry, sweep
Sweep, freshwater wash, saltwater rinse, dry
Sweep, saltwater wash, freshwater rinse, dry
How often shall the master review the safety management system?
When considering instrumentation systems, what is a typical symptom of a fault with the span of an instrument?
100% output is accurate, but Zero-point is wrong
Zero-point is accurate, but 100% input is not giving 100% output
Zero-point and 100% are correct, but not at mid - range
What is the lightweight of a ship according to SOLAS?
Weight of ship including equipment, complement, stores and supplies
Weight of the ship including fixed and permanent equipment, less cargo, complement, passengers, stores and supplies
Weight in tons of operative ship with no cargo
Weight of a light loaded ship (not fully loaded)
How many separate means of escape from passengers and crew spaces should it be in each zone?
What is the correct understanding of the term "Bottlescrew"?
A bottlescrew is the connection ring on the ships deck used to connect lashings and rigging
A bottlescrew is the threaded screw used to open large bottles
A bottlescrew is a metal threaded sleeve which adjusts the length and tension on rigging or stays
A bottlescrew is the special wire rope used to lash containers
Select, from the options given, the best method to be used for cleaning a cargo space on a conventional reefer vessel into which the cargo to be loaded is the same as the previous cargo carried.
A quick blow through on the top of the deck gratings with compressed air.
Sweep clean the top of the hatch gratings and lift the gratings to sweep clean below them.
A quick blow through on top of and below the deck gratings with compressed air.
A complete wash down of the cargo space with a suitable cleaning agent.
Who should operate ships' ramps, car platforms, retractable car decks and similar equipment?
All crew working on ro-ro deck.
Only the ships' officers.
Only competent persons authorised by a responsible ships' officer, in accordance with the company's work instructions.
Bosun and the loading officer
What is the typical size of a LNG carrier?
Earlier reefer vessels designed and built for liner trade usually had two or three tween decks approximately 2 to 2.5 metres in height and deep lower holds approximately 4 to 5 metres deep. Modern designs usually incorporate more decks each approximately 2.3 metres in height. What is the main reason for this fundamental design change?
The increased proportion of chilled as opposed to frozen cargoes that are carried.
There is an almost universal use of standard height pallets.
It is easier to construct vessels with shallow decks.
The increased number of container vessels has reduced the tendency to carry general cargo outbound from Europe or North America to Australia and New Zealand on reefer vessels.
You are alongside, 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?
Open the valve to 4 port line as instructed.
Report the situation back to the Duty Officer. Request clarification and confirmation of the instruction.
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.
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.
LNG carriers often operate between two fixed ports. Why is there likely to be a significant difference in the amount of LNG onboard arriving at the discharge port compared to the amount onboard departing the loading port?
Part of the cargo is used as ship's fuel in the form of boil off gas.
Inefficient reliquefaction plant operation means only some of the vapours are recovered.
Normal leakage through the cargo containment system leads to loss of cargo.
The vapours are constantly vented to atmosphere.
What will happen when the ship arrives in Rotterdam?
The ship will receive fuel and diesel oil bunkers when it arrives in Rotterdam
The anchor will be tested when the ship 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
Some new maintenance routines are being planned and a risk assessment is necessary so that the required procedures can be entered into the ship's Safety Management manual. Which of the following should be the first step in this risk assessment process?
Identify the safety precautions that may be necessary to prevent injury or harm to personnel carrying out the routines.
Identify who may be harmed or injured in carrying out the maintenance routines.
Identify the hazards that may exist which may affect personnel involved with the maintenance routines.
Identify how much it will cost to implement the necessary precautions to prevent injury to personnel.
Why should trousers worn in the galley be full length, but loose fitting?
Because ventilation will lessen the chance of cramp in the lower legs.
Because keeping the lower legs uncovered will lessen the chance of heat rash.
To lessen the chance of scalding, if a hot liquid is spilled.
Because it is the style adopted by all marine cooks.
Which of the following is considered to be the most efficient method of testing the weather tightness of hatch covers during a pre-loading survey of a General Cargo Vessel?
In a US port and according to the Code of Federal Regulations, a 'Declaration of Inspection' must be completed before the transfer of an oil cargo can take place. Who is responsible for preparing this Declaration?
The ship's officer in charge of the oil transfer operation.
The Terminal Representative (Loading Master).
The US Coast Guard Captain of the port (COTP) or his designated representative.
What is associated with carrying logs on General Cargo vessels?
Moisture absorption in the cargo holds
Increased levels of oxygen in the cargo holds
Oxygen depletion in the cargo holds
What action should you take if you have a flash-back during gas welding?
Close the regulator valves immediately, oxygen first.
Cool the bottles down with water.
Use a portable fire extinguisher.
What is the requirement with respect to pressure/vacuum valves on cargo tanks?
There is no such requirement.
How many rocket parachute flares are carried in each liferaft?