Тест складається із випадкових питань з обраної теми.
How do the extinguishing agents act?
by cooling, smothering, unfeeding (combustible suppression), inhibition
by cooling, smothering, dilution with water and/or ventilation
In a liquid fire the surface of which is about 100m?,
the radiated heat can spread to exposures placed 200m away
the radiated heat is lower than the conducted heat
the radiated heat can spread to exposures placed 100m away
Flames are usually higher than the diameter of the fire
*B Class divisions in ships are constructed so that they are capable of preventing the passage of flame to the end of a standard fire test held for:
*Which of the following instructions or information SHALL be contained in the Training Manual?
use of breathing apparatus
means of escape or escape routes
emergency repairs of fire-fighting equipment
use of communication equipment
The discharge arrangements for halogenated hydrocarbon total flooding systems shall be so designed that the minimum quantity of medium can be discharged in (based on the discharge of the liquid phase): (SOLAS II-2/5.3.5)
What alarm signal must be sounded by the alarm bells in case of fire?
The signal which is stated in the muster list
One long blast followed by seven short blasts
When an HF band a DSC distress alert is received, you have to listen to:
8414.5 kHz (DSC distress frequency in 8 MHz)
the radio-telex distress frequency in the band in which the DSC distress alert was received
the radiotelephony distress fequency in the band in which the DSC distress alert was received
For a “distress alert” via the DSC, the MF-band is used in the frequencies:
TX: 2177.0 kHzRX: 2177.0 kHz
TX: 2187.5 kHzRX: 2187.5 kHz
TX: 2189.5 kHzRX: 2189.5 kHz
The Urgency Message from a ship is used to notify other traffic of a situation where the ship is not in imminent danger, but where the development of the situation is uncertain and may need assistance in the near future. What is the telephony urgency message like?
Who is responsible that regulatory working hours are not exceeded?
The master and department heads.
The bosun and the second engineer.
What does STCW deal with?
STCW deals with recommendation for training centre and schools and type of education for seafarers
STCW deals with minimum recommendation of education for seafarers and minimum standards for training centre and schools
STCW deals with training centre and schools and standards for watch keepers
STCW deals with minimum recommendation for training centre and schools
Shock is a manifestation of changes in which the circulation fails because either pressure or volume of circulating blood has fallen to a dangerous level. What is the skin colour of a patient in shock?
If a person is in a state of shock, what of the following is the correct thing of you to do?
Apply hot-water bottles to keep the pasient warm.
Move the casualty as much as possible.
Treat and reassure the casualty and stay with the person at all times.
Be kind to the casualty and give anything to eat or drink at first opportunity.
What is one of the methods used by an aircraft to attract a vessel's attention for participation in a rescue operation?
Diving from high attitude.
What is the search system pattern called using 1 vessel?
What are the advantages of having mooring wires stowed on self-stowing "split drum" winches?
Increased brake holding capacity due to the ability to keep the paid out wire in a single layer on the drum
Less chance of the wire becoming jammed on the reel
All the listed alternatives answers
Which of the following hull shapes would normally provide a directionally stable ship?
A long ship with a wide beam
A short ship with a wide beam
A long ship with a narrow beam.
A short ship with a narrow beam
An immersion suit is:
not allowing undue ingress of water after a jump from a height of not less than 4,5 m into the water
totally waterproof whatever may be the condition of immersion
not allowing undue ingress of water after a jump from a height of not less than 18 m into the water
not allowing undue ingress of water after a jump from a height of not less than 8,5 m into the water
*In a distress situation and immediately after the distress signal has been sounded, what next action should be taken by the officer on duty ?
send distress signal to call for help
use the VHF radio telephone to ask ships in the vicinity to stand by
use the intercom to inform crew and passengers of the reason for the alarm
call the nearest coast radio station
Which item among those below is included in the normal equipment of every lifeboat ?
one immersion suit for each person
sea-charts and navigating equipment
one set of fishing tackle
How much water would you allow per person as officer in charge of the lifeboat, following an abandon ship operation?
1litre immediately, followed by ? litre, if possible, per day (more in the tropics)
Nothing for the first 48 hours, then 1/4 litre, if possible, per day (more in the tropics)
Nothing for the first 24 hours, then 1 litre or more if possible per day (more in the tropics)
Nothing for the first 24 hours, then ? litre or more, if possible, per day (more in the tropics)
What kind of safety equipment should be in place in connection with a grinding wheel?
A pilot ladder shall, to prevent twisting, be fitted with 'battens'. The lowest batten shall be the 5th step from the lower end of the pilot ladder. At what intervals should there be further battens upwards on the pilot ladder?
It does not matter where the battens are fitted.
At intervals not exceeding 15 steps.
At intervals not exceeding 9 steps.
At intervals not exceeding 12 steps.
What material should boiler suits be made of?
What is the correct initial firing procedure to be adopted when bringing a main steam boiler up to pressure from cold condition?
Start the firing on maximum rate and raise the pressure in as short a period as possible, to save energy.
Start the firing on minimum rate and alternate with maximum rate continuously firing until the boiler is up to pressure.
Start the firing on minimum rate and continuously fire until boiler is up to pressure.
Start with intermittent firing, using small firing periods and long intervals gradually building up to longer firing periods and shorter intervals until steam pressure starts to rise.
What is the main advantage of having a central cooling system fitted on board ship?
It should require less maintenance than a conventional system using only sea water.
It does not require any seawater.
It is a simple system with minimum control requirements.
Only one heat exchanger is needed for all cooling duties.
What name is given to an appetizer, served before a meal, usually being small, attractive, savoury snacks, designed to stimulate the appetite?
Which electronic component is this graphical symbol illustrating:
Potentiometer, 10 kilo-ohms
Variable inductive reactor
Variable electrical heater, 10 kilo-watts
A slow speed diesel engine is fitted with a slow turning facility. How would the slow turning normally be set to operate?
It should be manually operated before the normal start sequence following an engine stopped period of more than 10 minutes.
It should automatically operate before the normal start sequence following an engine stopped period of more than 20 to 30 minutes when manoeuvring.
It should automatically operate before every normal start sequence.
It should automatically operate every 20 minutes when the engine is stopped during manoeuvring.
Modern conventional reefer vessels tend to be designed with large, unobstructed areas on the main deck. Select, from the options given, the main reason for this feature of the vessels' design.
To leave the maximum space for lifting on and off of palletised cargo when using a shore crane.
To leave space for the carriage of deck cargo.
To leave the maximum space available for the carriage of containers on deck.
To make the vessels easier to build..
What does the IMSBC Code emphasise with reference to the exposure of personal to the dust created when carrying some bulk cargoes?
The code does not make any reference to this hazard
A high standard of personal hygiene
The responsibility of the Master to ensure that staff are wearing the correct clothing
The restricted loading of certain cargoes which may be excessively dusty
Why is nitrogen used for the inerting of hold spaces and interbarrier spaces on LNG carriers?
Because of the high oxygen content of combustion generated inert gas.
Because the carbon dioxide in combustion generated inert gas would freeze when in close proximity to the cargo.
Because of the high humidity in combustion generated inert gas.
Because of the high temperature of combustion generated inert gas.
What is the substance added to a dough mixture to make it rise, during the baking of bread?
Which device does this graphical symbol illustrate?
Pressure to current converter.
Differential pressure transmitter
A bulk carrier is to carry a full deck cargo of packaged timber; to what regulations must the vessel comply?
International Code for the carriage of Dangerous Goods
IMO Code of Practice for the carriage of Timber Deck cargoes
Marine Pollution Regulations
On a RoRo vessel, what must be considered when planning the loading of ro-ro cargoes on ramps?
SWL and loading limit of the ramp and Minimum clearances for the operation of ramp doors
The extent of lashings due to the ramp slope
What height of water above the inner bottom will activate the cargo hold high level alarm
Approximately how many days will fresh cucumbers usually last in cold storage?
Cargo residues of certain chemical substances are permitted to be removed by ventilation. What criteria is applied in determining if a cargo can be cleaned in this way? (Always accepting that local port authorities may have over-riding regulations on ventilation).
That the cargo discharged has a vapour expansion coefficient of at least 1.025.
That the cargo discharged has a vapour pressure greater than 5 KPa at 20 degrees Celsius.
That the vessel's ventilation system is capable of delivering a minimum of 20 changes of atmosphere per hour within the compartment.
That the volume of the tank does not exceed 1750 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 low location lighting system?
A system displaying the escape route from all cabins by light points in the ceiling, powered by battery
An illumination system for all corridors in cabin areas
A light system powered by battery or fluorescent signs mounted at deck level indicating the way to the nearest exit
An emergency illumination system that illuminates all deck areas to a minimum
Is it allowed to gas up LPG on inert gas atmosphere?
We are not allowed to gas up LPG on inert gas
We are allowed to gas up LPG on inert gas if the inert gas contain less than 5% volume oxygen
We are allowed to gas up LPG on inert gas if the charterer do not instruct the vessel to use nitrogen
We are not allowed to gas up LPG on inert gas if the inert gas contain less than 5% volume oxygen
Indicate the correct name for the tool on the sketch:
Not all crude oils can be used for crude oil washing. What is the common recommendation to use a crude oil for washing.
The temperature must at all times be 10 degrees Centigrade above the oil’s pour point temperature.
As long as the oil is floating.
Depends on the oil’s density.
The temperature must at all times be 25 degrees Centigrade above the oil’s pour point temperature.
Where is there a likelihood of inadequate initial design on a bulk carrier?
Which of the following is a false statement in relation to; the best advice to a first aider is to:
Call the doctor immediately
Restore breathing and heart beat of the patient
If necessary remove the casualty from the danger
The use of a chemical additive to induce a chemical reaction and so expedite the cleaning of a cargo tank on a chemical tanker is a common operational technique. What is the chemical term for the substance used in such a procedure?
With reference to non-VIT diesel engine high pressure fuel pumps that have helix control, how is the timing of fuel injection normally adjusted?
By raising or lowering the pump plunger relative to the pump barrel.
By rotating the pump plunger relative to the pump barrel.
By changing the governor output signal.
By changing the opening pressure setting for the fuel injection valves.
When a Classification Society surveyor identifies corrosion, structural defects or damage to the hull of a vessel, machinery and / or any piece of equipment which, based on the society's rules and in the opinion of the surveyor affects the ship's class, which of the following is that surveyor likely to issue?
A Notification of Deficiency.
A revised Class Notation.
A Notification of Detention.
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.
On capesize bulk carriers what problems are associated with welding of the corrugated bulkheads during construction?
Stress concentrations at the corners of the bulkheads
Cracking of cross-deck plating
A reduction in shear forces
Several areas of the bulkheads being 'out of tolerance'
Fluid-driven eductors (as commonly found on crude oil tankers), operate on a principle known as Bernoulli's principle. What does that state?
The increase in pressure at the eductor inlet is inversely proportional to the decrease in pressure as measured at the discharge orifice.
The volume of a fluid increases as the pressure in it decreases.
The discharge rate is inversely proportional to the pressure applied in the drive inlet.
The speed of a moving fluid increases as the pressure in the fluid decreases.
What is the requirement with regard to Familiarisation on board?
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.
During the first tenure, seafarers are responsible for asking at least a 100 questions to the Safety Officer.
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.
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.
How often shall abandon ship- and fire drills take place on board passenger ships?
At least two abandon ship drills and one fire drill every month
What is shown on the new ‘Marine Pollutant’ label under the IMDG Code?
A dead tree and dead fish
Dead fish and dead sea birds
This figure shows a transformer, with two windings, N(1) = 2000 and N(2) = 1000 turns, on a common magnetic circuit. Assume that there is no energy loss in the transformer itself. Calculate the current I(2) when the current I(1) = 2 A.
In the ISGOTT Guide, petroleum products are divided into two general groups for the purposes of indicating flammability, based on flashpoint and vapour pressure. These two groups are named 'Volatile' and 'Non-volatile'. To be considered Non-volatile, which of the following criteria must be met?
With a Flashpoint of 60 degrees C or above (open cup method), these liquids produce, when at any normal ambient temperature, equilibrium gas concentrations above the Upper Flammable Limit.
With a Flashpoint of 60 degrees C or below (closed cup method), these liquids produce, when equal to or below any ambient temperature, gas concentrations of less than 5% by volume.
With a Flashpoint of 37.8 degrees C or above (open cup method), these liquids produce, when at any normal ambient pressure, equilibrium gas concentrations below the Lower Flammable Limit.
With a Flashpoint of 60 degrees C or above (closed cup method), these liquids produce, when at any normal ambient temperature, equilibrium gas concentrations below the Lower Flammable Limit.
A U tube manometer is used to measure the pressure delivered by a ventilation fan. Following replacement of the fan by a larger unit with a higher delivery rate and pressure the liquid is blown out of the open end of the manometer. Which of the options given will allow the manometer to be used to measure the delivery pressure of the larger fan?
Connect the open end to the inlet trunking of the fan to measure the differential pressure rather than the delivery pressure.
Refill the manometer with a reduced the amount of liquid.
Refill the manometer with liquid with a higher density.
Refill the manometer with liquid with a higher viscosity
What is most important when using expanded square search?
Which of these statements is correct with regard to the characteristics of cashew nut shell liquid?
It can be stored for prolonged periods without becoming rancid
Its carriage does not present any undue hazards or risks
It is sweet and odourless
What is important to keep in mind about U-profiles that are used on pipes supports?
They should only allow movement on the lateral axis.
They must not be fastened against the pipe.
They must be made of flexible material to protect against stress.
That they should be fastened tightly around the pipe.
Which of the following fresh fruits should be used first?
Cargo hoses intended for liquefied gas carriers have to be prototyped tested before being approved. When new hoses of an already approved type are received onboard they also need to be pressure tested before being put into service. What are the IMO Gas Code requirements for such hoses before they are put into service?
Not less than 1.5 times the specified maximum working pressure or more than two fifths of bursting pressure at the expected cargo carriage temperature.
5 times the specified maximum working pressure at ambient temperature.
5 times the specified maximum working pressure at expected cargo carriage temperature.
Not less than 1.5 times the specified maximum working pressure or more than two fifths of bursting pressure at ambient temperature.
Before commencing ballasting for departure, the cargo tanks are surveyed. The small amounts of cargo left in the cargo tanks are referred to as "ROB". What does this abbreviation mean?
Remaining oil and ballast.
Which ideal heat engine cycle is the vapour-compression refrigeration system based on?
The reversed Carnot cycle.
When will a ‘D’ ring not be an effective lashing point?
When it is covered in grease
When its retaining collar is torn
What is the most common method of connecting the manifold of an LNG carrier to the shore terminal pipelines?
By special sections of portable steel pipe.
By permanently fixed metal hard arms.
By composite hoses suspended from a boom with a swinging arm.
By flexible rubber hoses.
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.
Which vitamin is found only in meat and fish?
Due to the safety of the ship its crew and passengers it is only permitted to ……… in designated areas onboard
Read magazines and newspapers
The pressure control of a vessel's domestic water system, which includes a hydrophore tank pressurised by air, is achieved by stop/start of the fresh water pumps using pressure switches. How should the system be prepared for first use to give correct operation of the pressure control?
Fill the hydrophore tank to approximately 75% full with water and then pressurise with air up to the pump cut out point.
Fill the hydrophore tank up with freshwater allowing it to compress the air already in the tank and then adjust the pump cut out to match the pressure in the tank when it is almost full.
Pressurise the hydrophore tank with air to approximately 50% of the pump cut out pressure and then allow the pump to fill the tank until it cuts out.
Fill the hydrophore tank completely with water and then pressurise with air up to the pump cut out point.
During 'dry lay up' of a main water tube boiler it is necessary to maintain dry, low humidity environment in the water spaces. Which of the chemicals given in the options would best achieve this condition?
A large post Panamax container vessel is sailing during the winter months. In which sea areas is she most likely to encounter conditions which could cause a parametric roll?
Why is it important to remove all traces of salt after washing the cargo holds of a bulk carrier?
Because salt will contaminate the next bulk cargo
If not done, surveyors at the load port will be unable to properly inspect the cargo holds
Because salt encourages the corrosion of steelwork
To prepare the steelwork for painting during the ballast passage
How do we recognize a leaking fuel injection valve during testing?
Fuel oil leaks out of the joint between the nozzle and the injector body.
The injector does not open at the normal opening set pressure.
The pressure falls off on the pressure gauge when trying to hold the pressure in the injector below normal opening set pressure.
The injector opens before normal opening set pressure.
Liquefied gas is, by IMO, divided in to different groups. What is the criterion for this division?
The boiling point, chemical bindings, toxicity and flammability.
The nitrogen and other hydrocarbon containment.
Which of the given options best completes the following statement? You should never attempt to light a boiler until………………….
.. the gauge glass shows the water at normal working level.
... the air register is fully open.
… the furnace purge sequence is completed.
… the feed water pump is running.
In which cases shall side scuttles in passenger ships be so constructed that they cannot be opened without the consent of the master of the ship?
Where the sills are mounted below the bulkhead deck
Where the sills of the side scuttles are below the margin line
Where the sills of the side scuttles are less than 500 mm above the deepest load line
Where the height of the side scuttles go through more than two decks
On a Container vessel, when can twistlocks be used to lift containers?
When they are semi-automatic
When they are fully automatic
Only if they have been approved and certified for this purpose
When they are of the mid-lock design
Many water tube boilers feature so called screen tubes. What is the purpose of these screen tubes?
To protect the superheater from direct exposure to the furnace.
To help remove any contaminants from the combustion gas that may foul other parts of the boiler.
To protect the boiler insulation from direct exposure to the furnace.
To provide a gas tight chamber for the furnace.
The ship is en route. When may passengers visit the bridge?
When the weather is nice and the sea is calm
During daytime if the traffic is smooth
Passengers are not allowed to visit the bridge while the ship is en route
Which of the following cargo types is a general cargo vessel best suited ?
Containers and heavy project cargo
Pallets tinned foodstuffs and drums chemicals
Bulk grain and bulk cement
Fruit and vegetable cargoes
What does the image indicate?
The image indicates a passenger ship coming alongside
The image indicates a passenger ship moored port side alongside
The image indicates a passenger ship moored starboard side alongside
The image indicates a passenger ship letting go her mooring lines
What is the name of UN maritime division?
The UN maritime division is UNM (United Nations Maritime)
UN does not have any maritime division.
The UN maritime division is IMO (International Maritime Organisations)
The UN maritime division ISO (International Shipping Organisation)
What is the minimum Initial Transverse Metacentric Height (GM) allowed under the International Load Line Rules?
On an enclosed car deck, may the drivers stay in their vehicles during the voyage?
It is up to the captain to decide
It depends on what type of vehicle they have
A reefer vessel, which is about to carry a palletised cargo, has to have available sufficient cargo equipment including air bags (dunnage bags), air lines and valves, cargo slings, wooden dunnage, nails, etc. These items are required to ensure a quick loading operation and a successful passage. Complete the following statement from the options given. "Air bags are particularly important in that ….
… they are quick and easy to deploy."
… they secure the pallets against movement during the passage."
… they protect the pillars and the vent trunking against damage during heavy weather."
… they reduce the movement of the pallets and prevent short circuiting of the air flow."
This circuit consists of a current source I, a change-over switch S, a resistor R and a capacitor C. The current/time figures 1 to 4 show possible changes in the current I in case the switch S is suddenly shifted from position 1 to 2 at time t= 0. Only one of the diagrams is correct. Which?
Which requirements must be considered when loading on weather deck?
Max permissible load per square metre on weatherdeck?
All the mentioned alternatives.
What measures should be taken in order to avoid explosive gases to form on top of coal cargoes?
Cover the top of the cargo by tarpaulins
Keep hatches and ventilators closed and airtight
Ventilate the holds as well as possible
Moisten the top of the cargo by water at the completion of loading
What do you understand by the term Long Travelling?
Making the complete crane move fore and aft.
Making the crane jib move up and down.
Making the complete crane move port and starboard.
Making the crane jib move from side to side.