Тест состоит из случайных вопросов по выбранной теме.
If a fire starts in the fuel tanks of a vessel, the fire will be …
Where would you find out which fire sections are enclosed by "A" or "B" class divisions on a ship?
On the general arrangement plan
All the mentioned alternatives
On the Ship's fire control plans
With an Inmarsat-C terminal the option ‘PSTN’ for addressing is available. This option:
to deliver a message by telephone via a modem on the computer of the subscriber
to have the operator read the message by phone
delivers a message as a telegram
Regular ‘updating’ of a ships’ position in an Inmarsat-C installation is necessary
To enter the correct data to the disk antenna
To keep to the correct Inmarsat-region
To have the correct position in case of accidents
To inform the satellite of ships position
By a vessel in distress a SART is used. This SART is seen on the screen of a:
Who should be informed first when receiving a distress signal from another ship/vessel?
The nearest coastal radio station
If a ship requires 2 nautical miles to stop in the water from a "crash stop" when proceeding at full ahead in deep water. What will the stopping distance be in shallow water?
Similar distance to deep water
The heat required to raise the temperature of 1 kg of any particular substance 1°C is called:
Heat transfer coefficient
There are many types of pumps fitted onboard ship which an engine room rating may be required to assist with the maintenance of. Which type of pump is shown in the illustration?
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.
A heat exchanger of the tube and shell type is used for cooling lubricating oil with seawater as the secondary fluid. Which of the options would indicate that the tube stack was becoming fouled (scaled or coked) rather than blocked?
An increased temperature difference between the seawater inlet and outlet and also between the lubricating oil inlet and outlet.
A reduced temperature difference between the seawater inlet and outlet and also between the lubricating oil inlet and outlet.
A reduced temperature difference between the seawater inlet and outlet and an increase in the temperature difference between the lubricating oil inlet and outlet.
An increase in the temperature difference between the seawater inlet and outlet and a reduced temperature difference between the lubricating oil inlet and outlet.
Metal particles are found on the magnetic element of the main turbine lubricating oil filter. Which of the options is the most likely source of these particles?
Damaged reduction gearing.
Damaged blades on turbine rotor.
Damaged rotor bearing shell.
You have just completed tank inspection, prior to loading a number of chemical grades. The Duty Officer instructs you to secure the tank lids. (On this vessel, they are circular in design, with four dogs and the lid is raised and lowered on a geared wheel). Which of the following methods will you use to secure the lids?
I will swing the lid over the coaming and postion the dogs, tightening down the two furthest from the geared wheel first, then the two closest to the wheel. I will then take any remaining pressure off the wheel.
I will lower the lid with the geared wheel, ensuring that the coaming rim sits centrally against the packing. I will then position and tighten the dogs, working back and forth so that an even pressure is applied overall.
I will lower the lid with the geared wheel and then work round the dogs in a clockwise direction, tightening each one right down in turn.
I will lower the lid with the geared wheel, screwing it down as tightly as possible, then position the dogs, so that the lid remains centrally positioned while the ship is as sea.
What is the description for a sidelight, as shown in rule 21 of the International Regulations for Preventing Collisions at Sea?
A green light on the starboard side and red light on the port side, showing an unbroken light over an arc of 135 degrees, from right ahead to 22.5 degrees abaft the beam on the respective side.
A green light on the starboard side and red light on the port side, showing an unbroken light over an arc of 112.5 degree, from right ahead to 22.5 degrees abaft the beam on the respective side.
A red, green or yellow lantern, showing an unbroken light over an arc of 112.5 degrees.
A red light or a green light, with a minimum range, in a vessel of 50 metres or more, of 3 miles. In a vessel of 10 metres or more but less than 50 metres in length, a range of 1 mile.
What is the safe time for operating the crankcase door when oil mist alarm is activated and the engine has been stopped?
What basic information do we get from the pump's flow-head curve?
We get information about the NPSH.
We get information about the pump-s lifting height and liquid flow.
We get information about the pump-s back pressure.
We get information about the pump-s suction head.
What action would you take if the performance of a plate type heat exchanger was falling off even though flow rates and pressures of the primary and secondary fluids were normal?
Iincrease the flow of both fluids.
Clean the heat exchanger.
Add some more plates to the exchanger.
Increase the pressure of both fluids.
During maintenance work in the engine room or on deck it is often necessary to work aloft (work at a height above the plates or the deck). When working aloft onboard the ship what is the most important safety precaution that should be taken?
Lash the bottom of the ladder to a fixed point.
Wear a safety helmet and goggles.
Keep all the tools required for the work in a bucket.
Wear a safety harnes securely attached to ship's structure.
A vessel's cargo spaces have been cleaned following discharge of a cargo of onions. However a smell of onions still persists. Select the action that should be carried out before the space can be considered as ready for the next refrigerated cargo from the options given.
Wash down the space with clean fresh water.
Wash down the space with an approved agent such as 6% hydrogen peroxide.
Wash down the space with a scented detergent (lemon or pine).
How many hours before departure should the ship's steering gear be checked and tested?
Why should only dry powder known to be “foam compatible” be used in conjunction with foam to extinguish gas fires?
Because certain types of dry powder has a negligible cooling effect
Because certain types of dry powder can cause breakdown of a foam blanket
Because certain types of dry powder is a flame inhibitor
Because certain types of dry powder not give protection against re-ignition
What is a Continuous Synopsis Record?
A plan including all security measures onboard
A record of the vessels history
A record of all security incidents
A plan for continuous maintenance of security equipment
The diagram shows a thyristor (SCR) with a Resistor and Capacitor (R and C). The RC network shown, performs which of the following applications?
Divert fast voltage spikes which may lead to uncontrolled switch on.
Provide voltage smoothing for SCR power supply.
Allow bypass route for ac signals.
s it required that the PA-system (Public Address) is connected to a back-up power sypply?
No, the crew will inform the passengers in case of any black out or power failure
Yes, only if the voyage is more than 12 hours
Yes, the public address system shall be connected to the emergency source of power
During synchronising, the incoming generator should be running slightly "fast" compared to the busbar frequency.This is to ensure that the:
Incomer picks up as a generator
Incomers reverse power trip is tested
Incomer picks up as a motor
Most rapid synchronising action is achieved
On what criteria is the Threshold Limit Value (TWA) based?
The maximum concentration of a vapour to which a worker may be repeatedly exposed for a maximum of 12 hours per day, 5 days per week without serious health effects.
The concentration of a vapour expressed as a percentage of the oxygen content of an environment in which a fit human-being can work continuously for a period of 8 hours.
The time-weighted concentration of a substance to which a worker may be repeatedly exposed for a normal 8 hour working day and 40 hour week without adverse health effects.
The maximum concentration of harmful vapour to which a worker may be exposed for a period of 15 minutes up to 4 times within any 24 hour period without adverse respiratory effects.
What is the meaning of the term "Steady as she goes" when acting as helmsman?
Reduce the number of helm movements used when steeriing a set course
Try to reduce the continuous swinging either side of the course when steering a compass course.
Keep the applied rudder constant until the next helm order.
While altering the ships head, the instruction "steady as she goes" means reduce the ships swing as rapidly as possible and steady on present course
When measuring level of liquids with a differential pressure meter, the name of the sensing device is:
Positive displacement tube
Many large 2 stroke marine diesel engines are equipped with an auxiliary scavenge air blower. What is the purpose of this equipment?
To provide combustion air at start up, during manouevring and low load running when the turbocharger delivery is insufficient.
To assist the main turbochargers in supplying combustion air when on full load.
To help cool the engine after it has been stopped.
To allow full load running when the main turbocharger is defective..
What is mean by bulk Grain cargoes have a low angle of repose?
Likely to produce toxic gas
How many fast rescue boats are required to be carried by a passenger ship of 500 GRT and above?
One fast rescue boat on each side of the vessel
One fast rescue boat and one rescue boat on each side of the vessel
Fast rescue boat to accommodate 50 % of the passenger on each side
At least one of the rescue boats shall be a fast rescue boat
The vessel is steaming off the coast when the engine room informs the bridge it must stop engines immediately. Shortly afterwards they informed the bridge they would need a least three hours to fix it. Which of the following actions would be the most suitable taken by the bridge?
Display the NUC signal, maintain the watch and determine how the ship is drifting and the probable position after three hours.
Display the NUC signal and keep a good lookout
Display the NUC signal, maintain the watch and ask the Engine room to be a quick as possible
Display the NUC signal, maintain the watch and wait for further developments.
The Chief Engineer tells you to carry out Hot work on deck. What kind of permit do you need?
No permit is required as long as the work shall be carried out on open deck
Cold work permit because the work will be carried out on open deck
You are in charge of a night bunkering operation. The delivery rate from the supplier is high and you are filling six tanks simultaneously. You loose track of the progress of the operation and feel that you are loosing control of the situation. What action should you take?
Stop bunkering, and establish facts, before bunkering is resumed
Request a reduction in the delivery rate to try and gain some time.
Prepare yourself and the crew for an overflow.
Open more tanks to slow down the filling rate of individual tanks.
What type of heat exchanger is shown?
An indicator card from a cylinder of a slow speed diesel engine shows a high maximum pressure occuring earlier in the cycle than normal with a normal compression pressure. From the options given, which action is most likely to identify the cause of the problem?
Check if the fuel injection valve is partly blocked.
Check if the fuel injection pump timing is correct.
Check if the fuel viscosity and temperature are correct.
Check if the fuel filters are blocked.
Passenger ships have a normal requirement of 1 lifejacket per person + 10% for children. In addition to this, how many lifejackets have to be stowed in conspicuous places on deck or at the muster stations?
You are to load a number of chemical cargoes in Rotterdam in December, for eventual discharge in Australia, after the ship has called at Singapore and Malaysia. None of the cargoes on board at any stage of the voyage require heating. None of the tanks to be discharged in Singapore and Malysia will require hot washing after discharge. What will need to be considered when determining the filling limits of the tanks containing the Australian cargoes?
The potential damage to tank coating in the upper areas of any tanks which are not fully loaded due to the duration of exposure to cargo vapour.
The accuracy of the tank level monitoring systems in potentially sub-zero conditions.
The anticipated cargo loss due to the projected evaporation rates as the vessel passes through the tropics.
The maximum anticipated temperature that the cargoes will reach bearing in mind ambient air and sea temperatures to be encountered on passage, so that any expansion does not result in overflow.
What percentage of anti-freeze fluid is added to the L.P.G. compressor cooling-water system?
What is the most utilised pump type for cargo discharge on a gas carrier?
Hydraulic driven centrifugal pump.
An electrical operated submerged centrifugal pump.
What is the difference between methane and ethane?
Ethane has two more carbon atoms and two more hydrogen atoms.
Ethane has double bonding between the atoms.
Ethane has two more carbon atoms and one more hydrogen atoms.
Ethane has one more carbon atoms and two more hydrogen atoms.
What does not apply to the carriage of timer deck cargoes?
The International Tonnage Convention
The Code of Safe Practice for Stowage and Securing of Cargoes
The International Convention on Loadlines
Why are cargo hold bilges washed with chloride of lime?
To assist with draining the bilges
To disinfect the bilges and remove odours
To assist with drying the bilges
To protect against corrosion
Inert gas drawn from an in-line unit in the main or auxiliary boiler exhaust cannot normally be used in a chemical tanker carrying high-spec products. Why is this?
Because MARPOL severely restricts the cleaning to sea of tanks that have been inerted in this way, unless additional prewashing has first been carried out. This results in the generation of slops which reduce cargo carrying capacity and incurs disposal costs.
Because the gas drawn from such a source cannot be guaranteed to be below the Lower Explosive Limit.
Because the levels of hydrocarbons and suspended soot particles will have a significant negative impact on cargo quality and tank cleanliness.
Because connection between boiler exhaust systems and cargo containment arrangements is forbidden under the IBC Code.
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 must be accessible at all times whilst loading and stowing ro-ro cargoes?
Fixed cargo lashing points
The vessel's bracket connections to ro-ro decks
What is the meaning of organic chemistry?
Organic chemistry is substances that contain hydrocarbons and oxygen.
Organic chemistry is substances that do not contain of hydrocarbons.
Organic chemistry is substances that contain hydrocarbons.
Organic chemistry is substances that contain of hydrocarbons, nitrogen and oxygen.
What is the minimum permissible distance measured horizontally between the ship's shell plating and the outer side bulkhead of the first cargo compartment on a type II chemical tanker?
Not less than moulded breadth / 5.
Not less than moulded breadth / 15.
Which of the tools given in the options is the best one to select for cutting a new external thread on the end of a steel pipe?
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
If a recipe requires that a dish be "poached", what does this mean?
Wrapped in foil and baked.
Cooked gently in a simmering liquid.
Turned frequently under a grill oven.
Is it required to have supplementary emergency lighting on board ro-ro ships?
No, reflective marking indicates the escape routes
No, portable battery operated lamps shall be provided in alleyways and public spaces
Yes, all passenger public spaces and alleyways shall be provided with supplementary electric lighting
No, passengers should bring their own flashlights
What kind of information do we get from a Mollier diagram?
We get information about enthalpy, specific volume of liquid, liquid/ vapour mixture, temperature of vapour when pressure is known, pressure in cargo tank when the liquid temperature is known etc.
We get information about enthalpy, liquid/ vapour mixture, temperature of vapour when pressure is known etc.
We get information about enthalpy, specific volume of vapour, liquid/ vapour mixture, temperature of vapour when pressure is known etc.
The charge air pressure supplied to a diesel engine, which is normally 2.0 bar, is reduced to 1.5 bar . What will be the likely effect on the engine operation?
The performance of the engine will be reduced noticeably.
The turbochargers cooling water flow will increase.
The performance of the engine will be similar to normal conditions.
The cylinder cooling water flow will increase.
What strength of lashing belts should be used to secure light motor vehicles on a RoRo vessel?
Breaking stress 1.5 to 1.8 tonnes
Breaking stress 2.0 to 2.3 tonnes
Breaking stress 1.2 to 1.5 tonnes
Breaking stress 4.5 to 5.0 tonnes
Which of the given statements is true in relation to the features and operation of a 4 stroke diesel engine ?
4 stroke engines are not required to have crankcase relief valves fitted.
The camshaft rotates with half the RPM of the crankshaft in a 4 stroke engine.
A 4 stroke engine always has scavenge ports near the bottom of the cylinder liner.
A 4 stroke engine has an ignition towards the end of every upward stroke of the piston.
What is lateral drag with reference to operations on a General Cargo ship?
Heel caused by a ship being pushed onto or pulled off a berth
Hull resistance when a ship is being pushed onto or pulled off a berth
Movement of cargo longitudinally across a vessel
The sideways movement of a heavy load after its weight has been transferred to the ship's lifting gear
What criteria are used to assess a bulk carrier’s Fatigue Strength?
The option of alternate hold loading
The ship’s deadweight at the summer loadline
Midship section scantlings
Which ideal heat engine cycle is the vapour-compression refrigeration system based on?
The reversed Carnot cycle.
When it is required that a mandatory prewash is to be witnessed, who is to make and sign the applicable entries in the Cargo Record Book?
A government-authorized surveyor.
What is "DRAUGHT", in the figure?
Draught is D, in the figure
Draught is A, in the figure
Draught is C, in the figure
Draught is B, in the figure
Due to the safety of the ship its crew and passengers it is only permitted to ……… in designated areas onboard
Read magazines and newspapers
On a flue gas plant, the flue gas enters a washing tower where the gas is washed to remove soot, ashes and to separate undesired gases. What is the name of this «washing tower»?
How many portions of fruit and vegetables are recommended as part of the daily intake for an adult?
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
Crewmen are carrying out maintenance work in the engine room on overtime. The work does not affect machinery operation. At the end of normal working hours, what should the Engineer on Duty do?
Switch to UMS-mode and leave the engine room as normal.
Continue with manual operated engine room until the maintenance work is finished.
Switch to UMS-modeand inform the crewmen not to touch any of the machinery.
Leave the engine room after asking the crewmen to switch to UMS once they have finished working
You have just finished loading a cargo of Methyl Isobutyl Kentone. What must happen before the shore hose can be disconnected?
The drip-tray must be half-filled with fresh water.
All possible cargo residues in the line must be drained or cleared and any pressure relieved. The manifold valve and shore valve must be confirmed as closed.
Any pressure remaining in the hose must be relieved by rapidly slacking off the bolts on the connecting flange.
Any cargo residues in the line must be drained to the drip-tray. The manifold valve on the ship must be open to allow maximum drainage and only closed after the hose has been removed.
How many separate means of escape from passengers and crew spaces should it be in each zone?
In a single side skin bulk carrier of 155m in length constructed in 2000 and carrying cargo of density 1010 kg/cu.m., which cargo hold can withstand flooding?
After a discharge of a cargo of bananas there are a large number of cartons of condemned fruit left on deck. The vessel is not in a special area and is more than 100 miles from land. Select from the options given the most appropriate action to take to dispose of the condemned fruit.
Keep the fruit onboard for crew consumption.
Keep the condemned cargo onboard until it can be landed at a suitable reception facility.
Remove and retain any plastic packaging before dumping the condemned cargo overboard.
Dump the entire condemned cargo, including packaging, overboard and make a note in the Garbage Disposal Log
During loading of a palletised refrigerated cargo it is noticed that some of the pallet boards are badly damaged. Which one of the actions, from the options given, is the most appropriate?
Remove and repair or replace the damaged pallets before loading them.
Note the number of damaged pallets involved on the Mate's receipt.
Accept the cargo loaded on the damaged pallets and repair them onboard.
Take no action as a small number of broken pallets are an acceptable part of such an operation.
When cleaning boiler burner nozzles that have just been in service the watch rating notices that the nozzle holes are partially blocked. Which of the methods given in the options is the preferred method to use in order to avoid damaging the nozzle holes?
Poke the holes clear with a welding rod which has been ground down to size.
Knock the nozzle repeatedly on the work bench to try and dislodge the blockage.
Use a standard drill bit in a hand drill to clear the blockage.
Use cleaning wires starting with a small gauge and gradually work up to the full size of the nozzle hole.
What is most important for visual search purposes?
Use of standard search pattern
Design of special search pattern
Start a search immediately
Design of individual search pattern
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
A resistor has three red bands. What is the resistance?
Where would you normally expect to find the air vent cock on a steam boiler?
At the feed water inlet pipe connection.
At the highest point of the steam drum.
At the superheater outlet
On the highest point of the steam range.
With regard to fire hose boxes and/or fire hydrants, what must be ensured upon completion of cargo loading operations on a General Cargo vessel?
Fire hydrants must be accessible at all times
Fire hose boxes must be lashed so as to prevent accidental opening
Fire hose boxes must be accessible at all times
Fire hose boxes and fire hydrants must be accessible at all times
For what purpose is inert gas utilised on a gas tanker?
Inert gas is utilised on board gas carriers to neutralise atmosphere in hold/ interbarrier spaces
Inert gas is utilised on board gas carriers to held overpressure in cargo tanks when discharging
Inert gas is utilised on board gas carriers to neutralise atmosphere in cargo tanks, pipes and hold/ interbarrier spaces
Inert gas is utilised on board gas carriers to gas free cargo tanks
At which of the pressures shown should the low oil pressure trip operate on a freon compressor?
On the figure 4 possible definitions of the term "CENTRE LINE" are given. Which one is the correct one?
Centre line is given by B on the figure
Centre line is given by C on the figure
Centre line is given by A on the figure
Centre line is given by D on the figure
As part of a survey of a main steam boiler it is necessary to check the condition of the steam drum. What would be the preferred method for checking drum shell thickness in such a situation?
Drill a test hole in the shell to accurately measure the thickness.
Use magnetic particle inspection equipment.
Use dye penetrant tester.
Use ultrasound equipment.
What kind of fixed extinguishing plant is installed to use on an oil tanker’s engine room and pump room?
What is the purpose of a Bridge Fitting?
To link the top containers of adjacent stacks
To link the top containers stowed at the fore end of the vessel
It is used as extension pieces for lashing rods secured to a lashing bridge
To link the top containers secured to a lashing bridge
Most medium and high speed diesel engines operate with mean piston speeds greater than those for larger slow speed engines. What is the main design feature of these engines which allows the higher mean piston speeds to be achieved without causing unwanted failures?
Using composite pistons featuring steel crowns and alloy skirts
Fitting bronze rubbing bands to the piston skirts.
Using directly cooled piston crowns with long piston skirts.
Using cast iron single piece piston crowns with a short piston skirt.
Which is the correct method of securing a lashing belt to a vehicle?
By means of a hook facing away from the deck
By means of a hook facing the deck
What name is given to the oriental cooking pan, with a small base and wide sloping sides, commonly used for "stir-fry" dishes?
Two reference points for pressure exist, absolute zero and atmospheric pressure. What do you call pressures measured relative to absolute zero?
If something is broken or missing, what should the First Mate do?
He is to notify the Chief Officer
The First Mate is to get rid of the lifeboat
He is to replace or repair whatever is wrong
What is the first thing you are doing when having a lifeboat drill?
How many hand held distress flares are carried in each lifeboat?