Тест состоит из случайных вопросов по выбранной теме.
What is the main characteristic of the weak link in a float-free arrangement for inflatable liferafts?
be of sufficient strength to permit to pull the painter from the container and the inflation of the liferaft
be of sufficient strength to break at a depth of at least 4 m and release the liferaft from its berth
be of such a strength to be cut by any person with a jack-knife
be of sufficient strength to keep the liferaft alongside the ship when dragged at a maximum speed of 3 knots
Foams may be classified according to their expansion rate in:
*How many sources of power must a fire detection and fire alarm system be provided with?
At least two, one of which being a dedicated accumulator battery
At least three, one of which being a dedicated accumulator battery
*Which one of the following methods can be adopted for the internal divisional bulkheading of the accommodation and service spaces of a cargo ship?
All these methods can be adopted
Fitting of an automatic sprinkler extinguishing system, with no restriction on the type of all internal divisional bulkheading
Construction of all internal divisional bulkheading of "B" or "C" class divisions, without the installation of an automatic sprinkler extinguishing system
Fitting of a fixed fire detection system in all spaces in which a fire might be expected to originate, with no restriction on the type of internal bulkheading, except that in no case must the area of any space bounded by an "A" or "B" class division exceed 50 m2.
What is the general requirement for the closing mechanisms of the inlets and outlets of all the ventilation systems?
Only a manually closing mechanism is allowed
Closing must be remotely controlled from the central fire control panel
Closing must be possible from outside the spaces being ventilated
An automatic closure for each section protected by a fire detection and alarm system must be provided
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
When stripping a tank, if excessive air is allowed to be drawn into the suction line, which of the following may occur?
Control of the operation will be lost and the tank will rapidly empty.
The pump will "race" and there will be a loss of suction.
The cargo pump impeller will stop rotating.
The back pressure will increase.
A ship is equipped with a right-handed fixed pitch propeller, which when going from Full Ahead to Full Astern will make the ship sheer to starboard. Can anything be done to reduce this change in heading?
The rudder should be kept amidships when going astern and there is little that can be done to reduce the swing to starboard
The rudder can be put from side to side in a "Rudder Cycling" movement.
The rudder can be put to Hard to Port to reduce the water flow to the right side of the propeller
The rudder should be put Hard to Port to reduce the water flow to the left side of the propeller
It is important that the brake holding capacity of a self stowing winch drum should not exceed the breaking strength of the wire or rope wound onto it. A certain percentage of extra strength is therefore recommended for the wire or rope over the brake holding capacity of the winch. So, for a winch of brake holding capacity of 60 Tons you would order a wire of breaking strength:
Give the meaning of the following symbol
Survival craft distress pyrotechnic signals
Survival craft portable radio
As per SOLAS regulations, the general emergency alarm system must be tested:
Temperatures are often measured by using platinum resistance thermometers. The characteristics shown are all calibration curves for such devices. Which of them is a calibration curve for a P T100 sensor?
What are the three volumes of the IAMSAR Manual?
I Organization and Management II Mission Co-ordination III Mobile Facilities.
I Planning and Preparation II Rescue Control III Reference
A Command and Control B Communications C Rescue Procedures
I Organization II Communications III Rescue Procedures
What do you think would be the most likely cause of too low suction pressure in a freon compressor?
Broken suction valve plate.
Too little gas in the system.
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..
You have just completed your cargo watch on deck, during which you have been working around the manifold, connecting and disconnecting hoses, etc. It is meal-time. Should you take any precautions before entering the messroom and why?
I will remove my overalls and work boots and wash my hands, to avoid the risk of introducing chemical contaminants into the accommodation.
No, I am just going in for my lunch and then returning to work on deck, so it would be a waste of time to get changed.
I will wipe my boots and brush down my coveralls before entering the accommodation, to make sure I don't bring any dirt inside.
I will remove my overalls and workboots, because I will get in trouble from the captain if he catches me in work clothes in the messroom.
Failed O-rings on a 2 stage air compressor cylinder liner have resulted in a water leak. Where is the leaking water most likely to go when the compressor is operating?
Into the crankcase and mix with the lube oil.
What is shown in the attached image?
The attached image shows derricks
The attached image shows deck cranes
The attached image shows grabs attached to deck cranes, during cargo opertions
The attached image shows grabs attached to derricks, for cargo opertions
What are cargo residues considered as under MARPOL 73/78?
There are strict rules governing the placement and category of electrical equipment allowed in certain areas of liquefied gas carriers. One such category is that of flameproof enclosures. What is a flameproof enclosure?
One in which the equipment has such low electrical power that there is insufficient energy to ignite a flammable mixture and cause a flame.
One which can withstand the pressure build-up during an internal ignition of a flammable mixture and is designed to cool any flames occurring within the enclosure to below the ignition temperature.
One which is filled with inert gas to prevent formation and possible ignition of a flammable mixture.
One which is maintained under positive pressure so preventing the formation of a flammable mixture.
Semi-pressurised liquefied gas carriers are often fitted with direct, single stage reliquefaction plants for cooling the cargo and dealing with boil off vapours. What cooling medium is usually used in the condenser to condense the cargo vapours for this type of system?
In which category of passengers do you think a woman who shows you a police badge might belong?
75% who are confused and helpless
What is the endless piece of rope used extensively for the slinging of cases or bales, called?
What is the relationship between absolute and gauge pressure?
Absolute pressure = gauge pressure + barometric pressure.
Gauge pressure = barometric pressure / atmospheric pressure
Absolute pressure = gauge pressure x 0.947 barometric pressure.
Gauge pressure = absolute pressure + barometric pressure.
Is there any requirements regarding crew’s language skills?
All crew working directly with passengers must be able to communicate on the language spoken by the majority of the passenger and english.
All crew working directly with passengers must be able to communicate on the language spoken by the majority of the passenger.
Yes, all crew must be able to communicate on the language spoken by the majority of the passengers, or demands set by the company.
All crew must be able to speak english
What differential pressure would be acceptable as a normal value across a lubricating oil filter for a diesel engine?
Under what circumstances would you remove guards and safety devices from machinery?
To allow the shaft to be seen to confirm the machine is running.
When they are rattling and vibrating.
When the safety devices keep stopping the machinery
During overhaul and maintenance procedures.
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 spare cylinder head for the generator needs to be lifted from its storage cradle to the generator flat. Because of its location the engine room crane cannot be positioned directly above it. What method should be used to bring the cylinder head into position?
Attach the crane hook to the lifting gear for the cylinder head and drag it across the deck until it is directly under the crane.
Use crow bars to lever the cylinder cover across the deck until it is in position below the crane.
Use a block and tackle to drag the head across to a position beneath the crane.
Rig chain blocks to lift the cylinder head from its cradle and then transfer it gradually over to the crane hook by working the chain blocks.
What is extracted rape seed meal, soya bean meal, cotton seed meal and sunflower seed meal?
On the figure 4 possible definitions of the term "CENTRE LINE" are given. Which one is the correct one?
Centre line is given by D on the figure
Centre line is given by B on the figure
Centre line is given by A on the figure
Centre line is given by C on the figure
What is the main use for polyurethane foam onboard an LNG carrier?
As a fire retardant coating for the deck.
As a fire fighting medium.
As insulation for the cargo tanks.
As a sealant for deck openings.
Many modern medium and high speed diesel engines operate at very high power ratings resulting in relatively high bearing loads. In order to accommodate these loads the bearings are required to have a high load carrying capacity. What kind of bearings are normally used for main and bottom end purposes to achieve this?
Thin steel shells with a thin white metal lining.
Thick white metal types with the white metal cast into the keeps to give extra fatigue strength.
Thin steel shells with a copper lead lining and a running in overlay.
Thin steel shells lined with aluminium tin alloys.
On a container vessel, a number of twistlocks have been identified as suffering wear down. Choose the most appropriate way of dealing with these twistlocks.
Spare parts should be ordered and used to replace the worn down parts of the twistlocks.
The twistlocks should be isolated from use and disposed of appropriately.
The twistlocks should be removed to the ships workshop where the wear down can be built up with weld material.
The twistlocks should be landed ashore for repair at an approved workshop.
Gas tankers are often fitted with fixed water spray system for fire protection purposes for deck areas, deck tanks, deck manifolds and pipelines. What is the minimum required flow rate of water per minute for horizontal and vertical surfaces to ensure adequate, uniform coverage of these areas?
100 litre/m2 per minute for horizontal surfaces and 50 litre/m2 per minute for vertical surfaces.
20 litre/m2 per minute for horizontal surfaces and 10 litre/m2 per minute for vertical surfaces.
10 litre/m2 per minute for horizontal surfaces and 4 litre/m2 per minute for vertical surfaces.
50 litre/m2 per minute for horizontal surfaces and 25 litre/m2 per minute for vertical surfaces.
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.
Which of these statements about drug smuggling is true?
"The preventative measures you incorporate into your ship’s security plan should be exhaustive, regardless of the level of threat identified by your ship’s security assessment."
The risks to ships are not restricted to specific areas or trading routes.
Drugs are difficult to conceal onboard a ship.
"Drug smuggling is only a problem in certain ports, so only ships sailing in those ports need to implement preventative measures."
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 master's position if he is asked to load a container that is incorrectly manifested, but which is believed to contain dangerous goods, about which insufficient information is supplied?
If it it approved by the operations department, he can assume all safety checks have been carried out and should load it.
He has the authority to refuse it.
He must load it, but ensure it is placed in a safe loaction, to which there is immediate access in the event of an emergency.
He must load it, but immediately advise his operations department and request full information.
The sign on the image indicates:
Location of lifebuoy with self-igniting light and self-activated smoke signal
This is the location where you should operate pyrotechnic equipment (Buoyant smoke signal, hand flares and rocket parachute flares) In case of an emergency
Location where you should throw lifebuoys in case a man- over-board situation occurs.
How is ‘Allowable Use Strength’ (AUS) calculated, for applying cargo lashings in the transverse direction?
Transverse accelerations, taken from the CSS Code, multiplied by the vessel’s natural roll period
Vessel’s moulded breadth divided by a factor of safety, taken from the CSM, multiplied by weight of cargo item
Width of cargo hold divided by a factor of safety, taken from the Cargo Securing Manual (CSM), multiplied by weight of cargo item
Transverse accelerations, taken from the Cargo Stowage and Security (CSS) Code, divided by 7 multiplied by weight of cargo item
The operation of a diesel engine is controlled by a mechanical-hydraulic, compensated speed sensing governor. How will the governor control be affected if the compensation needle valve is closed in and the engine load changes?
The governor will hunt resulting in erratic engine speed control.
Engine speed control will be sluggish.
A change in load will not affect a speed sensing governor.
Altering the compensation needle valve has no effect on speed control.
What is the name of this unit?
A hydrostatic release unit
An antistatic release unit
The threads on the drain plug for the bronze end cover of a sea water cooled heat exchanger have been badly damaged during maintenance. There is no spare brass plug available. What is the best solution for repairing the heat exchanger?
Use a steel plug with the same thread as the original to replace it.
Wrap the threads in thread tape and coat it with jointing compound before refitting it.
Hammer in a wooden tapered plug as a temporary repair.
Make a new brass plug on the lathe to fit the drain hole.
A bulk cargo is loaded and the shore cargo figure is 10 000 tonnes; the chief officer calculates 9 500 tonnes have been loaded; what should the Master do?
Bills of Lading to be signed "Clean" by Master.
Inform Designated Person Ashore( DPA)
Ask for a draft survey to be carried in the presence of P& I Club representative
The abbreviation "COW" applies to a phase of oil tanker operations. What does it stand for?
Computer Operated Washing
Callibration (of) Oil / Water (interface)
On oil tankers, what is generally used to control the safety of the atmosphere in the cargo tanks?
Why do we use stabilisers on passenger ships?
To adjust the trim of the vessel
To decrease the rolling angle of the vessel
To increase the intact stability
To decrease the dynamic stability
When you are calibrating an instrument what is the most common first step in the procedure (consult the manual)
Adjustment of Zero-point and span
The diagram shows the lead of a rope during mooring operations and the possible point where it may break. Where would be considered the safest place to be standing?
Outside the coloured zone.
Between the "point of break" and the "point of restraint".
It is impossible to stand clear of any possible danger areas surrounding wires or ropes and therefore there are not any safe areas.
Inside the coloured zone and behind the "point of restraint".
What is the correct name of the part highlighted in the sketch?
The correct name of the part highlighted in the sketch is: Cylinder relief valve
The correct name of the part highlighted in the sketch is: Cylinder air start valve
The correct name of the part highlighted in the sketch is: Fuel injector
The correct name of the part highlighted in the sketch is: Cylinder lubricator
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.
To what Proof Load is a 30T SWL derrick tested?
In which locations will Ro-Ro units be stained when a vessel is at sea?
Units stowed on ramp slopes
Units stowed near watertight doors
Units stowed in way of fan duct exits
Units stowed near gas tight doors
On a RoRo vessel, what is important with regard to a loading ramp resting on a jetty?
The position of mats between the ramp flap and jetty must be maintained at all times
Visitors must not be allowed access to the vessel via the ramp
The ramp's position must be maintained
It must not foul the ship's mooring ropes
What are the three categories to which hazardous liquid chemicals are assigned under MARPOL Annex II?
Why do cargo tanks on a chemical tanker commonly have their own individual pipelines and cargo pumps?
To permit faster loading and discharging rates.
To reduce the chances of cross contamination.
To simplify the piping layout.
To allow more dangerous cargoes to be carried.
Which type of material is normally used in the construction of a cargo tank designed for transporting LPG at atmospheric pressure?
On a General Cargo vessel, what action should be taken when the discharge equipment such as chain slings to be used by stevedores, are considered unsuitable by ships staff?
Provide ships equipment to discharge
Inform stevedores of concern and protest by letter
Continue discharge as planned and inform Designated Person Ashore(DPA)
The buoyancy forces upwards act at what part of the hull?
All over the underwater volume.
At the centre of gravity (G)
At the centre of buoyancy (B)
How should chemicals and harmful substances be stored on board?
In a separate locker. The locker shall be clearly marked, locked and ventilated.
n the central store or in the engine room
In a locker preferably on boat deck. The locker shall be clearly marked.
In a gas-tight locker close to the bridge
What dangers are associated with using a steep loading ramp?
The ramp's hoisting wires can be damaged
The ends of ro-ro units can be damaged
It will not be possible to drive vehicles off the ramp
The ramp may slide off the pier
What is the meaning of the expression 'dead-band'?
It will is not respond to adjustment of set-point
The controller will not react to a process change in this range
The controller will enter 'sleep mode'
It will take some time before the controller will react to a change
An unconscious casualty who is breathing, should be placed
Which of the following is a form of food poisoning?
After discharge of a bulk cargo by grabs, tank tops and lower hopper side plating must be checked for ?
Damage and possible leaks
When loading chemical cargoes in the United States, temperatures are often supplied in degrees Fahreheit. What does 60 degrees Fahreheit equate to on the Celsius scale?
Many chemical tankers are fitted with deepwell centrifugal cargo pumps. What is the process by which any leakage of cargo or hydraulic oil into the pump cofferdam is detected?
If the oxygen content in an enclosed space is less than 20% and a non-essential routine inspection of the space is due which of the following is the correct course of action?
Postpone the inspection until the correct oxygen content can be achieved.
Carry out the inspection as quickly as possible.
Wear breathing apparatus while carrying out the inspection.
Release oxygen into the space from an oxygen cylinder.
What damages a ship’s cargo holds?
Repeated stresses at a particular location
Which of the following answers would most appropriately describe shell plating damage to the vessel?
"My vessel has sustained damage to shell plating in way of No. 3 cargo hold"
"My vessel has sustained damage to shell plating below the waterline"
"My vessel has sustained damage to shell plating above the waterline"
"My vessel has sustained damage to shell plating below the waterline in way of No. 3 cargo hold, starboard side"
What is static amplifying
Change in input signal divided by change in output signal
Change in output signal divided by change in input signal
Corresponding change in signals
Change in input signal times change in output signal
What can be measured by means of a manometer?
What should crew members not assigned to emergency teams, do?
Crew members not asigned to emergency teams should ensure the proper operation of the remote control equipment
Crew members not asigned to emergency teams should be ready to assist the engine-room emergency team
Crew members not asigned to emergency teams should be integrated in the emergency team
Crew members not asigned to emergency teams should prepare survival crafts and render assistance, where required
How is the bilge pump protected from cargo debris being sucked in from the bilges?
Filter in the bilge suction pipeline
Keeping the bilge space clean at all times
By what means can we monitor and control the integrity of the hull?
The chief officer is responsible for monitoring the integrity of the hull and superstructure at all times
Let experienced personnel close and secure doors and ramps
Automatic detection systems, television surveillance and patrolling of ro-ro cargo spaces
Documented operating procedures
You are in an area of restricted visibility, close to a port. You hear this signal. What vessel does it come from and what additional information does the signal provide?
A vessel at anchor, more than 100 metres in length. She is sounding the additional signal to give warning of her position.
A vessel aground, more than 100 metres in length. The additional signal indicates which side the clear water lies on.
A vessel at anchor, less than 100 metres in length. She is sounding the additional signal top give warning of her position.
A vessel at anchor, more than 100 metres in length. The additional signal indicates that her cable extends at least 25 metres from her bow.
Fast rescue boats construction should be:
Rigid, inflated or rigid / inflated
How should dunnage be laid, prior to loading a Caterpillar Tractor?
Only at the extreme ends of the tractor’s wheels
Athwartship under the tractor’s wheels
Athwartship at the ends of the tractor’s wheels
Fore and aft under the tractor’s wheels
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 cargoes given in the options would you expect to be most suited for loading onto a conventional reefer vessel designed with side loading doors?
A vessel which normally operates with the engine room in UMS mode is unable to do so because of defects to some of the critical alarm functions. What are the main considerations that the Chief Engineer must take into account when planning alternative arrangements to cover the engine room requirements until the defects are cleared?
A work rota is established to ensure at least one person is in the engine room at all times while the defects exist.
A work rota is established to ensure that normal routine maintenance is carried out on time in accordance with the planned maintenance schedule.
A work rota is established to ensure that the necessary repairs can be carried out as soon as possible.
A work rota is established to ensure full coverage of engine room watchkeeping duties and adequate rest periods for the engineering staff.
Many large slow speed diesel engines operating on heavy fuel oil have a fuel injection system which features Variable Injection Timing. How does this affect engine operation?
VIT allows the ship's engineers to alter the injection timing for each load setting with a simple single adjustment of the fuel rack.
VIT increases engine efficiency by automatically maintaining the maximum cylinder pressure over the entire load range.
VIT increases engine efficiency by automatically maintaining the maximum cylinder pressure over part of the load range.
VIT improves engine operation by automatically controlling the start of fuel injection when it detects a poor quality fuel.
On a Container vessel, to what would a fibreglass yacht be secured after lifting onboard?
A vessel's main propulsion system consists of a pair of medium speed diesel engines driving a single controllable pitch propeller through clutches and coupled through a reduction gearbox. What is the preferred sequence to follow when going from two engine to single engine operation? Assume engine A is to be stopped and engine B is to continue running
Stop engine A and check that clutch automatically disengages and governors for both engines operate correctly for testing purposes.
Pitch to zero thrust, disengage clutch of engine A, increase speed of engine B and propeller pitch as required. Stop engine A after a suitable cooling period.
Disengage clutch of engine A. Stop engine A after a suitable cooling period.
Pitch to zero thrust, reduce speed to idling speed, disengage clutch of engine A, increase speed of engine B and propeller pitch as required. Stop engine A after suitable cooling period.
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 entering open waters
Before leaving the pilot station
The first step in completing an SSA is to:
Develop an onboard security survey checklist
"Identify the key shipboard operations, systems, areas and personnel that are critical to protect."
List the existing security measures.
Create a list of potential motives for security incidents against your ship.
Why does the Chief Mate have to reorder the cargo plan?
The cadet disappeared with the cargo plan
Hold No. 7 is already loaded by the company ashore
Hatchcover No. 7 cannot be opened due to a defect in the hydraulic pump
The wheels of hatchcover No. 7 came out off their tracks
What is the letter signal flag used by a vessel in response to an aircraft request for assistance in rescue operation?
How does low expansion foam act as an extinguishing agent when dealing with oil fires?
The heat from the fire causes the foam to produce an inert gas which gradually extinguishes the fire.
By smothering and also providing some cooling