Тест состоит из случайных вопросов по выбранной теме.
The position that is determined by built in GPS-receiver in an Inmarsat-EPIRB has an accuracy of about:
What is false regarding the function :”Transmission of ship to shore distress alerts”
On all areas this function is based on the use of SARSAT COSPAS Epirb
On area A1 this function is based on the use of SART transponders
On area A1 this function is based on the use of VHF DSC
On area A2 this function is based on the use of MF DSC
How can an ARPA assist the ship to steer a suitable course to make good the entrance to a channel?
Select Relative motion display and make Own Ship vector pass through the middle of the entrance to the channel.
Select ground stabilised true motion display and alter course so that own ships true vector passes through the middle of the entrance to the channel.
Select True ground stabilised vectors and make the vectors from both buoys at the entrance to the channel pass either side of the centre of the screen.
Acquire the buoy at the entrance to the channel and on relative vector display alter course to make the vector of the buoy pass directly through the centre of the screen.
The bridge wheelman has not reported for duty and there is a suspected "Man Overboard" situation on your vessel. The ship has been searched and there is one seaman missing? The vessel turns round and retraces the course back, calling for assistance from other vessels in the vicinity. What should be the focal point for any search pattern to be established?
The focus of the search should be from the present position as he probably went overboard when proceeding to the bridge for his watch.
Determine when the seaman was last sighted and concentrate the search round the course line between the last sighting and present position, taking into account any prevailing current.
The last sighted position should be the focal point of any search pattern and all ships should keep a good lookout in that vicinity, moving outwards to the present position.
Determine the drift and leeway of own ship and take this deviation from track into account on the return course. The search should focus around this return track back to the last sighted position
Where do you think the "pivot point" is located when your ship is going full speed ahead? No wind, current.
At about 1/6 of the ship-s length from the stern
At about 1/6 of the ship-s length from the bow
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
What is understood by the term "Balanced Rudder"?
A rudder with equal rudder area forward and aft of the turning axis, the turning axis being at the geometrical centre of the rudder area
A rudder with part of the rudder area forward of the turning axis, therefore reducing the load on the steering motor.
A rudder which is operated by two steering motors providing equal amounts of thrust to the rudder
A rudder with an additional flap attached the training edge to improve the rudder efficiency
In maritime radio-communication by “low power” given by a nautical phone is meant a transmitting power of:
Chemical tankers are built with either "gravity" or "pressure" type cargo tanks. A "gravity" tank is one having a design pressure at the top of the tank of:
In describing an oil cargo, what is its "pour point"?
The lowest temperature at which a gas converts back to liquid
The lowest temperature at which it will remain fluid
The temperature as recorded during the taking of cargo samples
The temperature necessary for a cargo to load from shore by gravity alone
What should be observed concerning a ship's watertight integrity?
That all emergency exits on ro-ro deck are locked and secured
That the ramp is stowed position
That all water tight ramps and doors are locked and secured at sea
That the bow- and stern door are closed
Why do blunt knives cause accidents?
Because they will need to be held at a more shallow angle when cutting.
Because the blunt edge will contain grease particles.
Because they require more pressure to be used and are more likely to slip.
Because the handles are more likely to be loose.
Which cell voltage is required to trickle charge a lead acid battery?
You have just been handed six sample bottles by the cargo surveyor, containing Nitric Acid drawn from a cargo just loaded on your ship. How will you move them to the sample locker, prior to storage?
I will carry as many as I can in my arms in one go, but ensure first that I put on a pair of chemical-proof gloves.
I will instruct the cargo surveyor that he must deliver the samples to the locker himself.
I will obtain a plastic carrier bag, put the bottles inside and take them to the locker as quickly as possible.
I will place them into a proper container with a handle, such as a sample carrier or a strong bucket. When I move them, I will ensure that I am focused on this task alone.
Which shipboard publication sets out calculations for cargo lashings?
The Cargo Securing Manual
The Cargo Stowage and Security (CSS) Code
Boiler water tests on a low pressure steam boiler show the chloride content to be 50 ppm. What action should be taken if any?
Blow down the boiler and reduce the dosage of treatment chemicals.
Shut down the boiler and drain the water out before filling with fresh feed water.
Increase the dosage of treatment chemicals.dosage.
Your vessel is a tanker, discharging to a facility where the storage tanks are up on a hill behind the quay. You have a problem with your hydraulic plant and the system shuts down. What must be done with the manifold and why?
The valve must be checked as still open, so that once power is restored, discharge will resume and there will be no opressure build-up in the ship's pipelines.
The valve must be checked for free and proper operation, as it may have been damaged by a pressure shock when the system stopped.
The valve must be shut to avoid backflow due to the head of pressure from shore.
A watchman must be detailed to stand by it, to receive instructions from shore.
Car decks on board ro-ro passenger ships are nomally closed during sea passage. Why are passengers not allowed to be on the car-deck during sailing?
Vehicles and other cargo can shift when the ship is rolling. Persons may be trapped between vehicles or cargo.
f the car decks are empty, it will be easier for the crew to locate all passengers in case of an emergency
To prevent burglary and damage to cars
In case of an emergency situation it can be difficult for passengers to escape. Vehicles, lorries, trailers and other cargo are maybe lashed and it is a substantial chance for passengers to get injured. Vehicles and other cargo might also shift when the ship is rolling.
One of the categories of information that must be included in your SSP is:
Weaknesses in security measures
What charateristics of Seed Cake group B (IMDG Class 4.2) cargo should be considered when carrying in bulk?
The only concern is that the cargo may self-heat slowly.
The only concern is the cargo may be liable to oxidise, causing subsequent reduction of oxygen in the cargo spaces
The only concern is that the cargo may be liable to spontaneous combustion.
Cargo may self-heat slowly; may spontaneously ignite; liable to oxidise; may produce carbon dioxide
Which of the following food types or food components listed below is considered to be dangerous to health if consumed on a regular basis?
Moderate volumes of fibre.
What pressure is present in the crankcase of a vapour compression refrigeration compressor?
The same as the discharge pressure.
The same as the atmospheric pressure.
The same as the lubricating oil pressure.
The same as the suction pressure.
Before commencement of any work aloft, you should carry out risk assessment of the worktask. What kind of extra personal protective equipment is required as a minimum to carry out the work?
Carry out the work without extra personal protective as long as no one sees what's going on
All personnel who are working aloft, where there is a risk of falling more than two metres, should wear a safety harness (or belt with shock absorber) attached to a lifeline.
As long as someone is supporting the ladder there is no need for extra personal protective equipment
What is the most important treatment concerning a foreign body in the eye?
Wring the eye-lid to prevent blinking
Rinsing of the eye with water
What is the typical composition of liquified natural gas, LNG?
Mainly Butane, but with small percentages of heavier hydrocarbons such as ethane, propane, methane and pentane.
Mainly Pentane, but with small percentages of heavier hydrocarbons such as ethane, propane, butane and methane.
Mainly Methane, but with small percentages of heavier hydrocarbons such as ethane, propane, butane and pentane.
Mainly Ethane, but with small percentages of heavier hydrocarbons such as methane, propane, butane and pentane.
What is the correct name of the part highlighted in the sketch?
What type of Bill of Lading covers "door to door" shipment?
A Destination Bill of Lading.
A Through Bill of Lading.
A Multi-Phase Bill of Lading.
The earth lamps in a 3-phase system indicate as follows: Red= bright Yellow= dark Blue= dim . Which fault condition shown as red - yellow - blue is correct?
light earth - hard earth - no fault
no fault - hard earth - light earth
hard earth - light earth - no fault
light earth - no fault - hard earth
Why is it considered good practice to have a duty crew member stand by the loading ramp?
To guide ro-ro units onto the vessel
To supervise the stevedores
o record the nature and extent of any pre-loading damages to cargo
To supervise the rate of loading
Which part of the crankshaft of a modern large two stroke diesel engine is most likely to be the origin point for crack initiation during service and therefore needs the greatest attention during maintenance inspection?
The dowel pins and dowel holes
Modern slow speed, two stroke diesel engines often have locating pins or pegs to keep the piston rings in a fixed position. Why is this arrangement used?
It ensures the rings cannot be mixed up and that they are fitted in the correct order on the piston.
It avoids the risk of the ends of the piston rings being forced out by the gas pressure and catching on the scavenge ports.
The piston ring gaps can be kept in line to control the gas pressure on each of the rings.
The piston rings are more difficult to lubricate because of the slow operating speeds and will wear more quickly if they are allowed to rotate.
What must be ensured at the commencement of cargo operations, on a general cargo vessel?
That all fire dampers serving the cargo holds, are closed
That all fire dampers serving the cargo holds, are open
That the carbon dioxide gas lines to each cargo hold contain a small amount of moisture
That the carbon dioxide gas lines to each cargo hold are clear
The fuel injection timing of a diesel engine is delayed causing high cylinder exhaust gas temperatures. What is the likely effect of this condition on turbocharger operation?
Continuous surging of the turbocharger
Vibration of the turbocharger.
Decreased turbocharger revolutions
Increased turbocharger revolutions
The primary and secondary insulation spaces of each LNG cargo tank are provided with pressure relief valves. What is the normal set point of the relief valves for these spaces?
Indicate the correct name for the part marked on the sketch:
Commonly used on an oil tanker, what does an "Explosimeter" measure?
The amount of H2S gas in a tank atmosphere
The level of oxygen present within a tank
The composition of hydrocarbon gas / air mixtures in a tank atmosphere
The relative amounts of nitrogen and combustible gases within a tank
A ro-ro unit weighing 18mt is to be loaded in the fore and aft direction and lashed by belts of SWL 2mt. How many lashing belts should be used to secure the unit?
When checking the cylinder pressures of a 6 cylinder medium speed diesel engine it is found that one of the cylinders has a high maximum pressure. What is the most likely cause of this?
Fuel pressure to the engine is too high.
Exhaust valve on the cylinder with the high pressure is leaking.
Fuel timing to that cylinder too far advanced.
Fuel timing to that cylinder too far retarded.
Which one of the following international regulations is normally used when handling dangerous goods?
What is the purpose of the ship/shore safety check list?
To ensure the safety of the personnel.
To ensure the safety of personnel, ship and terminal.
To ensure the ship is safe moored.
To avoid the avoidance of cargo contamination.
How will you act if you are helmsman and the OOW (officer on watch) gives you the order: ”Nothing to port”
Let the ship turn to starboard
Don’t let the ship turn to port
Alter course to starboard
With reference to the installation of pressure gauges for steam systems. Complete the following statement from the options given. To protect a bourdon tube type pressure gauge which is to be fitted to a steam line it should ….
..be fitted directly to the steam pipe.
..be fitted to the steam pipe using a flexible hose.
..be fitted with a siphon loop between it and the steam pipe.
..have its casing filled with water.
When cross-flooding arrangements to correct unsymmetrical flooding and excessive heel angels in damaged condition are installed in passenger ships, what is the maximum angle of heel after flooding but before equalization?
Four similar ship-types experience beam sea conditions. Which of them will first experience resonant rolling?
The ship with the widest beam
The ship with the smallest GM
The ship with the highest freeboard
The ship with the smallest beam
Which vitamin is to be found only in foods from the animal kingdom?
The benefits of emergency response plans are only realized if:
survival craft are launched
the crew carries out the plans
On a General Cargo Vessel, under what regulations would steel bands remaining in the cargo holds have to be discharged?
MARPOL 73/78 (Annex IV - Regulations for the prevention of pollution by sewage from ships)
MARPOL 73/78 (Annex V ? Regulations for the prevention of pollution by garbage from ships)
No specific regulations apply
The abbreviation "COW" applies to a phase of oil tanker operations. What does it stand for?
Computer Operated Washing
Callibration (of) Oil / Water (interface)
What danger is associated with damaged expanded metal gratings on loading ramps?
Vehicles’ windscreens may be damaged during cargo operations
The front and/or rear ends of vehicles may be damaged during cargo operations
Vehicles’ tyres may be damaged during cargo operations
The load density of the ramp will be affected
How many crews are required to be trained and regularly drilled in all aspects of fast rescue boats in various conditions, including righting after capsizing?
When 3 phase alternators are operating in parallel, it is very important that the reactive load is evenly shared so that the total alternator loads are evenly shared. If the total alternator load is the vector sum of active and reactive loads, which side of the vector diagram (power traingle) shown represents the reactive load?
None of the mentioned alternatives
When filling departure ballast on a clean ballast tanker, which valve is the last to be opened after the pump has started (M/T «Seagull» is equipped with steam driven centrifugal pumps).
The tank’s suction valve.
The pump’s delivery valve.
On the figure 4 possible definitions of the term "AFT SPRING" are shown. Which one is the correct one?
Aft spring is defined as A on the figure
Aft spring is defined as B on the figure
Aft spring is defined as C on the figure
Aft spring is defined as D on the figure
The range of a transducer is 0-200 bar. The output signal is 4-20 mA. What is the span of the output signal.
To what Proof Load is a 30T SWL derrick tested?
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.
Which of these foodstuffs contributes to lowering the cholesterol content in the blood?
What is the direction of wind associated with an anticyclone (area of high pressure) in the Northern Hemisphere?
Clockwise around the high pressure
Straight towards the centre of the anticyclone
Directly away from the centre of the anticyclone towards the nearest Low pressure.
Anticlockwise around the high pressure
What actions should the Officer of the Watch take when the ship's steering gear fails?
Stop engines and display the NUC signal
All of the suggested answers
Call the Master and advise him of the situation
Request the engine room to check the steering gear
The auxiliary boiler for the supply of low pressure heating steam has an automatic combustion control which operates on a two step control principle. The boiler fails to attempt to start up during a period of normal operation even though the steam pressure has fallen below the set point. What is the most likely cause of this fault?
The photocell for detecting flame on is dirty.
The pressure switch for the combustion air supply is faulty and remains open.
The pressure switch for low steam pressure is faulty and fails to close.
The electrical supply for the control system is isolated.
What stowage factors should be taken into account when planning the loading of cars, in a pure car carrier?
The amount of dunnage to be used
Longitudinal and athwartships distances between the cars
Compressors for handling vapour from liquefied gas cargoes are fitted as part of the cargo handling plant on liquefied gas carriers. How is liquid prevented from entering the compressor suction?
By checking the temperature in the vapour line between the cargo tank and compressor.
A liquid separator is fitted in the vapour line between the cargo tank and the compressor.
A liquid condenser is fitted in the vapour line between the cargo tank and the compressor.
By checking the pressure in the vapour line between the cargo tank and compressor.
An auxiliary engine is fitted with a duplex type lubricating oil filter. The in-use element requires changing. What procedure should be used to fit the new element?
With the engine running, position the changeover cock so that both filters are in use to reduce the pressure before.
With the engine running, change over to the other filter after priming it and replace the dirty element after checking there is no pressure on dirty filter housing.
With the engine running, shut off the filter inlet and quickly fit the new element.
The engine must be stopped to fit a clean filter element..
What type of cargo shall always be secured?
The driver must ask the crew to secure the vehicle and its cargo
Tank lorries should always be secured.
Freight vehicles carrying dangerous goods and adjacent vehicles should always be secured.
No cargo or vehicles have to be secured if the weather conditions are favourable.
Why do we use nickel-alloyed steel, stainless steel or aluminium in cargo tank construction on gas carriers designed for LNG and LEG?
Because these metals have a very low thermal expantion coefficient and do not burst of extreme low temperatures
Because these metals cost less than other metal
Because these metals have a high thermal expansion coefficient and do not burst of extream low temperatures
Because the weight on this metals are not so high than other metals
Training is required when new equipment is installed on board the ship. What kind of training should be provided and for whom?
Every crewmember is responsible for their own training. Safety Officer should be contacted if any questions.
No training is required for experienced seafarers
Theoretical and practical training should be provided for the head of department. Operation Manual for shall be available in crew mess room so that personnel involved in operation of the equipment can familiarise themselves with the new equipment.
Theoretical and practical training should be provided for all personell involved in operation of the new equipment
When an engine is working normally, the lubricating oil return temperatures are moderate and the running temperatures of the moving parts are also moderate. Lubricating oil is not a volatile liquid and the temperature inside the crankcase is insufficiently high to cause concentration of vapor. What would be the flash point of the lubricating oil?
On a Container vessel, during rolling which of the following bears the initial stresses?
Container corner castings
After discharge of a bulk cargo by grabs, tank tops and lower hopper side plating must be checked for ?
Damage and possible leaks
A number of standard 20 foot containers are to be loaded on the deck of a General Cargo ship by No 3 hatch; what are the main checks to be made ?
Containers weight recorded and secured with chains
Containers stowed with doors forward, customs and security seals checked intact
Containers stowed with doors aft, customs and security seals checked intact and clear access to lashings
Containers stowed with doors forward, customs and security seals checked intact; access to lashings unimportant
On a General Cargo ship, when can dunnage from a previous cargo be used again for cargo?
Only when clean and Chief Officer has approved use
Dunnage can be used many times regardless of condition
Used dunnage must never be used again for cargo
Dunnage can only be used again if sterilized
The reliquefaction plant for cargo cooling of liquefied gas cargoes can operate on either a direct or indirect cycle. On which liquefied gas cargoes must indirect cycle cargo cooling plant be used according to the IMO Gas Codes?
All liquefied cargoes in north European waters during winter time
Cargoes such as butadiene and vinyl chloride which need two stage cycle with intercooling.
Cargoes such as chlorine, ethylene oxide and propylene oxide for which the vapours cannot be compressed due to temperature restrictions.
LPG cargoes being carried in north European waters during winter time
Before departing the berth to ensure the stability of a RoRo vessel which if the following should be completed
Close all Ramps and hatch covers
Open all ramps and hatch covers
turn off all the deck hydraulics
A data logger printout is being checked against the sensors in a refrigerated cargo space. The pulp temperature and the return air flow temperature are being considered. It is necessary to identify the return air sensor. Which of the options gives the best description of the normal form that such a sensor would take?
A glass tube filled with coloured liquid.
A metal spike protruding from a rubber base housing which is usually black.
A tube completely covered in a rubber housing which is usually black.
A metal spike with an analogue readout at one end.
If the A.C. line current in a generator stator is doubled, the heating effect in the stator windings will:
What should be observed concerning a ship's water tight integrity?
That all emergency exit doors are locked and secured
That all water tight ramps and doors are locked and secured at sea
The ramp is in stowed position
Vibration analysis is often used as a conditioning monitoring tool onboard ship as part of the approved planned maintenance system. Many vibration measuring instruments are fitted with a harmonic filter/analyser. How would these filters normally be used during vibration measurement on a centrifugal pump?
To block out any noise or vibration from the surrounding engine room.
To isolate a single frequency of vibration associated with one of the pumps components.
To sum up all the harmonics of a base frequency to give total vibration for all of the pump's components simultaneously.
To generate an audible sound signal at the same frequency and amplitude as the vibration.
What is common between a clover leaf and crinkle bar?
They are items of portable lashing equipment
They are parts of a loading ramp
They are tools used for tightening ro-ro lashings
They are items of fixed lashing equipment
Which of the below structures of bulk carriers are considered critical?
Upper and lower connection of main side frames
Longitudinal deck plating outside hatches
During inspection of the fan spaces an access hatch between the delivery and return side of the fan space is inadvertently left open. What would be the most likely consequence of this situaqtion?
Chilled air would short circuit from the return to the delivery air side.
The delivery air side would become overpressurised.
The fan speed would be affected.
Air would short circuit from the delivery to the return air side.
A mixed cargo of hard frozen products is to be loaded in layers into one deep cargo space on a conventional reefer vessel. The products are steel drums of frozen orange juice, frozen meat in cartons and frozen beef hocks in muslin. What would be the best position for loading the drums of orange juice?
Since all the cargo is hard frozen it doesn't matter which layer the orange juice is loaded.
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
What may be issued by the shipper to indicate that a vessel or her operators will not be held responsible for any damage that may arise from the carrier issuing a clean Bill of Lading, even though the Mate's receipt is marked as "unclean", such as may apply to atmospheric corrosion on steel plates that have been waiting in a port facility for some time awaiting shipment?
An addendum to the Bill of Lading.
An absolution clause in the shipping documents.
Some fuel oil and lubricating oil separators have a facility to control the back pressure of the clean oil outlet. What is the purpose of this control function?
To help to maintain the oil/water interface at the correct position.
To control the amount of fuel passing through the separator.
To reduce the amount of sealing water required during operation.
To assist in discharging the bowl contents during the sludge cycle.
On a Container vessel, to what would a fibreglass yacht be secured after lifting onboard?
The wooden hatch gratings (Warkhaus boards) use on the deck of some conventional reefer vessels can become badly damaged during cargo operations, particularly when forklift trucks are being used. Which one of the actions given in the options is the most appropriate to take when considering repairs to these gratings?
Cut a new board into small pieces to repair as many damaged boards as possible.
Use heavy plywood or strong timber to make the repairs.
Use a whole new board whenever possible to achieve the greatest strength.
Use boards that have been previously removed and repaired.
What is the purpose of an evacuation analysis?
o provide port state control inspectors with reports
To ensure the ship can be evacuated in less than 30 minutes
To provide the passengers with written results of the analysis
To identify and eliminate, as far as practicable, congestion which may develop during an abandonment
Mention some important thoughts for what you have to do when you recognise that fire break out onboard.
Report to bridge or duty officer, actuate the fire alarm, organise and commence fighting the fire
Commence fighting the fire, call the persons around the fire and join the fire squad
Report to bridge or duty officer, actuate the fire alarm, call the persons around the fire and join the fire squad
Go to the lifeboat start the motor then call the duty officer and commence fight the fire
What will you serve seafarers who has been exposed to cold?
Fruit and vegetables only.
Brandy, whiskey or other strong drinks.
What will you bring in a lifeboat if the ship is abondoned?
Warm clothes, blankets and lifevests.
All pets that will most likely not be able to enter the boat by themselves.
All valuables like money, jewelry etc.
As much biscuit and canned food as possible.