Тест состоит из случайных вопросов по выбранной теме.
*The weak link of a float-free arrangement for liferafts must break under a strain of:
In which ways is heat transmitted?
Delay, conduction, radiation
Conduction, convection and radiation
Gasification, conduction and convection
Radiation and gasification
*Under which circumstances should a sprinkler head of a common fixed sprinkler fire-extinguishing system be activated?
Automatically, when the temperature is within a range from 68°C to 79 °C
When the temperature is within a range from 68°C to 79°C, but after the corresponding alarm is acknowledged and assessed at the control panel
When the smoke density exceeds 12,5% obscuration per meter, but after the corresponding alarm is acknowledged and assessed at the control panel
Automatically, when the smoke density exceeds 12,5% obscuration per meter
*What quantity of reserve fuel, if any, is to be available outside the main machinery space for a diesel driven emergency fire pump?
Sufficient amount for 2 hours of operation at full capacity
Sufficient amount for 24 hours of operation at full capacity
Sufficient amount for 6 hours of operation at full capacity
Sufficient amount for 15 hours of operation at full capacity
What is the name of the reference manual, jointly produced by the International Maritime Organization and the International Civil Aviation Authority, which currently outlines the organization and management of search and rescue activities at sea?
The Search and Rescue (IMOSAR) Manual.
The Internation Maritime Search and Rescue (IMARSAR) Manual.
The International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual.
The Merchant Ship Search and Rescue (MERSAR) Manual.
MMSI is short form of:
Maritime Mobile Service Identity
Mobile Maritime Safety Information
Merchant Mariners Signal Identity
Merchant Marine Ship identity
What is the MARPOL definition of a "solidifying substance"?
A noxious liquid substance which, in the case of a substance with a melting point of less than 20°C which is at a temperature of less than 10°C above its melting point at the time of unloading, or in the case of a substance with a melting point equal to or greater than 20°C, is at a temperature of less than 15°C above its melting point at the time of unloading.
A noxious liquid which will crystallise and eventually bond into solid form at ambient, or less than ambient temperatures unless an external heat source is applied.
A noxious liquid substance which, in the case of a substance with a melting point of less than 15°C which is at a temperature of less than 5°C above its melting point at the time of unloading, or in the case of a substance with a melting point equal to or greater than 15°C which is at a temperature of less than 10°C above its melting point at the time of unloading.
A noxious liquid substance which will cystallise and eventually bond into solid form if exposed to an external heat source.
Treatment of burns and scalds depends on the severity of the injury. What is the correct thing to do for minor burns and scalds?
Place the injured part under slowly running cold water for at least 10 minutes, but preferably until the pain is gone. If no water is available, use any cold, harmless liquid.
Remove all sticky clothing from the casualty.
Break blisters, remove any loose skin or foreign objects from the injured area.
Apply lotions, ointments or fat to the injury.
What is the correct understanding of the term "Bending moments" when applied to ships?
The longitudinal Bending Moments are the forces between empty and full compartments causing the ship to bend and change shape
The Bending Moments of a ship are the forces acting on the ship causing it to hog and sag.
All of the suggested answers
The longitudinal Bending Moment at any section within the ship is the total moments tending to alter the longitudinal shape of the ship
Give the meaning of the following symbol
Give the meaning of the following symbol
A class door self closing
B class fire door self closing
What is a "Search and Rescue Region" (SRR)?
An area of limited dimension in which rescue vessels are permanently stationed
An area of defined dimension where an international organization is responsible for search and rescue operations
An area of defined dimensions within which search and rescue services are provided
An area where a search and rescue operation is ongoing
A vessel is towing with a total length of 1350 meters and expects strong wind from starboard side. The towing wire is connected 20 meters from the towing vessels stern rail. What is to be done?
Reduce the towing speed only
Secure the wire all way aft, to prevent wire moving out of center
You are sailing in shallow water, with 15% Under Keel Clearance. Turning the ship around, what space do you need compared to deep water?
The turning diameter of your ship is the same for all water depths
Need less space than normal
Need more space than normal
To port less, to starboard more space
What is the main purpose of VTS?
Reduce port operation costs
Increase safety for all ships in the area
Increase safety for ships participating in VTS
*The steps of the embarkation ladder used must be spaced apart by a distance of:
equally spaced, not less than 200 mm or more than 280 mm
equally spaced, not less than 300 mm or more than 380 mm
*What is the minimum length of the buoyant lifeline that is fitted to a lifebuoy which is stowed at a distance of 10 metres above the waterline (light condition)?
A person wearing an anti-exposure suit shall be able to:
don and remove the suit in the water in no more than 5min. if it impairs ability to swim
swim through the water at least 25m and board a survival craft
jump from a height equal to that of the stowage of liferafts arranged to be thrown overboard
dive into the water to the maximum draft of craft that the ship is provided with
Which one of the listed requirements regarding the use of an immersion suit do not correspond to present regulation? The suit shall permit the wearer to:
perform normal duties during abandonment
swim a short distance through the water and board a survival craft
climb up and down vertical ladders from the survival craft embarkation point to the water
jump from a height of 4.5m into the water without being injured or damaging the suit
An evacuation-slide must be capable:
of being deployed by one person
of being deployed by two persons
of being deployed by two person or remotely controlled from the bridge
of being deployed by one person or remotely controlled from the bridge
Which item among those below is included in the normal equipment of every lifeboat ?
sea-charts and navigating equipment
one life-jacket for each person
Which item among those below is included in the normal equipment of every lifeboat ?
one life-jacket for each person
sea-charts and navigating equipment
one waterproof electric torch suitable for Morse signalling
How much water per person is provided in a lifeboat not equipped with a desalting apparatus?
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. Which of following detailed explanations of crew duties in relation to emergency situations shall be contained therein?
The use of oars and sails for survival crafts
The method of revival of casualties by MTM-method (mouth-to-mouth)
Boarding, launching and clearing of survival crafts (lifeboat/liferafts) and rescue boats
Correct donning of fire protective clothing
Which of the following detailed explanations should be mentioned in the Training Manual ?
The use of the ship's line throwing apparatus
The use of surface to air visual signals to be used by survivors
The use of escape routes and other escape methods
The use of navigational equipment for survival crafts
During mooring operations which is the safe place to be in?
Outside the colored zone.
Where ever you feel safe.
Behind the "point of restraint" but inside the zone.
Between the "point of break" and the "point of restraint".
The ship is involved in a collision, what is the immediate action by the Officer of the Watch after the incident has taken place?
Call the Master and check the position for any immediate dangers.
Stop engines and check over the side for any signs of pollution.
Sound the General Alarm and stop engines.
Contact the other ship and send the bridge lookout down to start taking soundings
On a bulk carrier which is to load sugar, which of the following situations would result in the cargo holds failing inspection?
Hardened rust spots on the lower bulkhead stool and hopper tank plating
Rust-stained tank top plating
Traces of insect infestation in the bilges
Hardened rust spots on shell plating
Which of the following is a chemical commonly added to cleaning substances used to clean galley areas?
What action should be taken if the inert gas plant fails during discharge of a liquefied gas cargo?
Slow down the discharge rate until the IG plant is working again.
Open the atmospheric vents to prevent a vacuum in the cargo tanks.
Stop all cargo operations and inform the terminal.
Open the vapour return line from shore to prevent a vacuum in the cargo tanks.
What does the Chief Officer want the 1st Engineer to do?
The Chief Officer wants to speak to the 1st Engineer
The Chief Officer wants the 1st Engineer to empty side tank No. 2
The Chief Officer wants the 1st Engineer to put the hydraulic hand pump in bilge No. 5
The Chief Officer wants the 1st Engineer to empty the starboard bilge in hold No. 5
What would be a correct form of response to the question: What is the weather in your position?
The correct form of response would be: "The weather is fine"
The correct form of response would be: Wind northwesterly, force 5; visibility good; moderate sea and swell
The correct form of response would be: "The weather is satisfactory"
The correct form of response would be: "The weather is bad"
Which is the lee side of a ship?
The lee side is the side facing the wind
The lee side is abaft the accommodation
The lee side is the side facing away from the wind
The lee side is forward of the accommodation
What could result from carrying coal with a high sulphur content on a Bulk Carrier?
Evolution of methane gases
A possible shift of cargo
Corrosion of steelwork in the cargo holds if the cargo becomes wet
In preparing a reefer vessel for loading the next cargo a careful inspection of the cargo spaces should be carried out. All required maintenance and the repair of any damage identified during the inspection should be completed prior to loading. Select, from the options given, the most appropriate action to be taken when the maintenance and any repairs are completed.
Keep a record of the hours worked as a basis for a claim against the previous charterers.
Make a detailed record of all maintenance and repairs carried out for presentation to the supervisor at the loading port as proof that the vessel is in an acceptable condition for loading the cargo.
Don't bother recording anything as this type of work is considered routine.
Keep a record of all the repairs in the planned maintenance schedule.
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.
The temperature of a refrigerated cargo is controlled by the temperature of the air being blown through the cargo hold which is often referred to as the DAT. What does the term DAT stand for?
Deviation Air Temperature.
Delivered Atmosphere Temperature.
Delivery Air Temperature.
What is the influence of the I (integration) function of a controller
It will slow down the control system
It will try to reduce the deviation between set-point and process value
What name is given to the oriental pan which has a small round base and wide sloping sides, commonly used for cooking "stir-fry" dishes?
For what purposes is nitrogen used in cargo tanks on a chemical tanker?
Cleanliness (provision of a clean atmosphere in the tank) and quantity (minimising any loss of cargo through evaporation).
Maintenance (nitrogen in the tank restricts moisture build-up and stops corrosion on the tank bulkheads).
Quality control (the nitrogen blanket ensures a uniform temperature throughout the product by stopping loss of heat at the surface).
Safety (atmosphere control) and purity (maintenance of quality of product by stopping contact with air).
What should be the healthy continuity resistance of a 220V, 2.2kW heating element, when checked near to it's rated operating temperature?
A data logger printout is being studied. It can be seen that at regular intervals the return air temperature increases significantly for short periods of time before returning to normal. What is the most likely cause of this occurrence?
Routine defrosting of the evaporator coils.
Erratic operation of the refrigeration compressor.
Response of the refrigeration plant to daily ambient warming and cooling.
Faulty operation of the control system for the refrigeration unit.
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 while operating under CA.
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
On a RoRo vessel, what are sea sloshing forces proportional to?
The overall breadth of deck cargoes
The maximum breadth of under-deck cargoes
The maximum height of under-deck cargoes
The overall height of deck cargoes
When documenting Crude Oil Washing operations in the Oil Record Book, which of the following must be included in the sequence of entries?
The ullage in the tank at the commencement of washing
The ship's speed during the washing operation
The method of establishing that the cargo tanks were dry
The average oil cargo temperature during the washing operation
What is the definition of DEAD BAND?
The largest difference in the output signal for the same change in the input signal.
The change needed in the input signal to produce a change in the output signal.
The change in the output signal produced by a certain change in the input signal.
A missing electrical signal.
As part of the routine duties a rating on boiler watch is requested to assist with the daily chemical treatment for the boiler and feed water systems. Where will the rating find the information relating to the hazards associated with the chemicals involved in this task?
The engine room log book.
The Code of Safe Working Practices for Merchant Seamen.
The Chief Engineer's standing orders.
The material safety data sheets supplied with the chemicals.
What name is given to the short, intial wash given to tanks that have just contained certain particularly hazxardous cargoes before the ship leaves the unloading port and where the washings are landed to shore or to a slop barge?
A mandatory customer post discharge wash.
Which of the suggested navigational systems is a "Hyperbolic" navigational system and has hyperbolae as position lines?
All of the suggested systems
When can semi-automatic twistlocks be used, under the U.S. Occupational Safety and Health Administration (OSHA) regulations?
When used to lock three empty intermodal containers that are to be lifted, one on top of the other
To secure on-deck containers in the first and last container bays
When used to lock two empty intermodal containers that are to be lifted, one on top of the other
To secure all on-deck containers
The use of steam driven ejectors for ventilation of cargo tanks having flammable vapours in them is not recommended now-a-days due to:
Steam at high velocities may generate static electricity which might cause incentive sparks?
It being not a very effective system for tank ventilation?
It is rather expensive to waste steam?
It might cause burns to unwary personnel?
What does the Chief Mate want the OS to do?
He wants the OS to turn the switch to start, just to be sure
He wants the OS to show him the switch identical to the one the 2nd Mate showed him
He wants the OS to show him where the switch that changes between automatic, manual, and emergency steering is
He wants the OS to show him how to handle the wheel
What is the minimum number of lifebuoys that shall be provided with self-igniting lights an self-activating smoke signals?
50% of the total number of lifebuoys
What would happen if a ship’s frames became partly detached from the side shell plating?
The shell plating would buckle
The adjacent frames would buckle
Topside and hopper tanks would become deformed
There would be additional loads on the adjacent frames leading to possible shell plating failure
What is the purpose of a hatch cover ventilator grill on a General Cargo vessel?
To act as a strength member inside the ventilation shaft
To prevent the ventilator fans from damage
To prevent moisture from entering the hold
To prevent sparks entering the cargo hold
Subject to allowance by the Port State Authority, a tanker with a defective oil discharge monitoring and control system (ODME) may continue to trade for a limited period before a repair is effected. What period is allowed and what conditions apply?
No limit is placed on the vessel, provided it can be demonstrated to the Port State Authority that the appropriate spare parts have been ordered for delivery in the next convenient port.
One ballast voyage and one loaded voyage, provided no cleaning operations are commenced.
One ballast voyage before proceeding to a repair port.
The vessel may discharge her cargo but will then be detained in port until the ODME is made fully operational and approval from the Port State Authority obtained.
If conditions permit, which is the best way to board a liferaft which is floating close to the ship?
Wearing a lifejacket, jump into the water close to the raft and then swim to it
Jump onto the raft itself
Jump into the water close to the raft, without a lifejacket, as this will make it easier to swim and board the liferaft
Use a rope ladder close to the raft to climb down and board
If a passenger asks you a question you cannot answer, what will you do?
Tell the passenger that you will confer your colleagues and revert with an answer, or you bring the passenger along to a colleague who can give an answer to the question. Never say I don't know!
Tell the passenger to approach the information desk/ reception on board
Tell the passenger to ask one of your colleagues who are more experienced than you are
Make up a story, the passenger doesn't really care
What must be ensured prior to loading heavy lift cargoes on a General Cargo Vessel?
That all double-bottom tanks are empty
That the vessel is listed to the side to which the load is to be lifted
That the vessel has a small metacentric height( GM)
That there are minimum free surface moments in tanks
What gives the condenser pressure in a 1 stage direct cooling plant?
One, two and three stage piston compressors.
One, two and three stage screw compressors.
Piston, screw and centrifugal type compressors.
Oil free screw and centrifugal type compressors.
Some refrigerated cargoes can be more easily damaged than others due to rough handling. From the options given, select the cargo which is most likely to be damaged due to the use of poor handling techniques.
Chilled plums in cartons.
The IMO IGC code details the requirements for cargo piping systems on gas carriers? Which one of the options given is part of these requirements?
Cargo pipelines must resist at least 1.25 times maximum vapour pressure.
Cargo pipelines must resist horizontal displacement from cargo surge pressure.
All cargo pipelines must be made of high tensile steel.
Cargo pipelines are not allowed beneath deck level on gas carriers.
A 250V contactor has been fitted to a 220V supply. Which of the following symptoms might be observed?
Contactor chattering (vibrating)
What will happen when the ship arrives in Rotterdam?
The anchor will be tested when the ship arrives in Rotterdam
The ship will receive fuel and diesel oil bunkers when it 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
When will a ‘D’ ring not be an effective lashing point?
When it is covered in grease
When its retaining collar is torn
When describing Crude Oil Washing on an oil tanker, what name is given to areas within a cargo tank that are not directly impinged, or hit by the stream from tank washing machines?
How often shall watertight doors in main transverse bulkheads which is in use at sea be operated (tested)?
A bulk cargo has been discharged by grabs; what is an important check to make before closing the hatch cover?
Check that hatch coaming and sealing bar have not been damaged by grab contact
All other cargo holds empty of cargo
What is the correct procedure to adopt when a liquid gas fire occurs?
Start to extinguish the fire
Promptly locate the fire and raise the alarm
On a container vessel, select from the list the most effective method of dealing with a fire in an under deck cargo space.
Boundary cool the cargo hold from the deck.
Deploy the fixed fire fighting system.
Tackle the fire locally with fire hoses.
Turn the vessel off the wind to reduce the relative wind strength.
A 5V dc source has an internal impedance of 0.2 ohms. When a load of 2.3 ohms is applied what voltage will be measured at the source terminals?
From the options given, select the one which controls the effective delivery stroke of a helix type fuel pump for a diesel engine to increase or decrease the quantity of fuel delivered.
The fuel master control valve
Before loading a refrigerated cargo of LPG the cargo tanks must be cooled down slowly in order to minimise thermal stresses for the vessel and the cargo containment system. What is the generally accepted cooling down rate?
At what time should lashings be released?
As soon as the weather conditions are favourable, lashings can be released.
Lashings should not be released for unloading before the ship is secured at the berth, without the Master's express permission.
The crew can release lashings prior to arrival to avoid any delays.
Lashings should be released when the ship enters enclosed waters.
On a Container vessel, what precautions should be taken when cashew nut shell liquid has spilled out of a container?
Avoid skin contact and inhalation of toxic fumes
Cool the container from as far away as possible
Approach the container wearing a chemical protection suit
Clean up the spillage wearing rubber boots and safety gloves
Why is the cargo boil-off vapour on conventional LNG carriers not normally condensed and returned to the cargo tanks?
The amount boil-off is very low due to good insulation so its not worth the effort.
Since the cargo always has a low pressure and temperature there is no need for cooling.
The cargo temperature is normally too low to be cooled with conventional cooling plants.
Because of the high energy consumption needed to condense and recover the boil off.
The cargo manifold working platform surface should be made of:
The recognised definition of High Voltage equipment is anything that operates at over which of the following levels?
1000Volts ac or 1500Volts dc.
1000Volts ac or 750Volts dc.
The circuit consists of two capacitors, C(1) = 6 µF and C(2) = 12 µF, in parallel. Calculate the equivalent C(S) of the two capacitors.
At what latest time shall doors, side scuttles, gangway doors, cargo- and coaling ports and other openings which are to be kept closed watertight at sea be closed at the start of the voyage?
Before leaving the pilot station
Before entering open waters
Read the text in the diagram and answer the following question: When should training in personal survival techniques be given?
During the first week on board
Which of the following alternatives summarise the benefits of using high voltage on ships?
More efficient transformers and electrical machines
Smaller cables and better power factors
Smaller conductors, insulators and transformers
Smaller conductors, machines and switchgear
Which of the following statements is the most appropriate with respect to cargo after loading on a General Cargo Vessel?
All cargo must be fully secured before the vessel sails
Cargo securing must be completed within 2 hours of commencing the voyage
Cargo need only be secured if bad weather is forecast
Cargo must be fully secured before the pilot disembarks
Why may wearing sweat rags slung round your neck when working in the machinery spaces be hazardous?
The rags may cause sweat rash.
The rags may cause you to get too hot and faint.
The rags may be caught by running machinery or power tools.
The rags may be soaked with oil and catch fire.
In conjunction with which two sets of international regulations should the IMDG Code be read for security purposes?
Part B of the ISPS Code and Chapter II of the Maritime Transport and Offshore Facilties Act.
IMO NVIC 24 and 46 CFR 2.05
Chapter V of SOLAS and Annex II of MARPOL.
Chapter XI-2 of SOLAS and Part A of the ISPS Code.
Most of the engine makers recommend to change the cylinder head gaskets each time a piston overhaul is carried out. Why?
To increase the consumption of parts so they can make more money
To be granted a proper sealing with a new gasket
To obtain a proper sealing and correct distance between piston and cover in TDC position
To avoid heat transfer to the cylinder head.
What kind of damages do steel coils sustain?
Chemical reactions between the steel banding and outer envelope
What is the Chief Mate asking for?
He is asking if they are dragging the anchor
He is asking about the position of the chain
He is asking if they are close to the fairlead
He is asking if the anchor lights are put on
What type of buoy is this?