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Онлайн-тестирование: Онлайн-тест CES 5.1 для Engine department, Support level
Онлайн-тест
Описание
Тест состоит из случайных вопросов по выбранной теме.
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*Which of the following statements applies to fire doors in main vertical zone bulkheads and stairway enclosures in passenger ships?
They shall be of the self closing type
They shall be capable of closing with an angle of up to 3, 5° opposing closure
They shall be capable of being closed from a control station
All the mentioned alternatives
When a satellite receives a “distress alert” from a Cospas-Sarsat EPIRB, the relay of the “distress alert” can be delayed because the satellite cannot immediately contact a:
LES before the satellite is actually seen by this ground station
Don't know
LUT before the satellite is actually seen by this ground station
NCS before the satellite is actually seen by this ground station
What is false regarding the function :” Transmission and reception of maritime safety information”
On area A2 this function is based on the use of NAVTEX
On area A1 this function is based on the use of VHF NBDP telex
On area A4 this function is based on the use of HF NBDP telex
On area A3 this function is based on the use of INMARSAT C SAFETYNET
What is false regarding the function :” Transmission and reception of ship to ship distress alerts
On area A4 this function is based on the use of VHF or/and MF DSC
On area A2 this function is based on the use of VHF or/and MF DSC
On area A3 this function is based on the use of INMARSAT A, B or C
On area A1 this function is based on the use of VHF DSC
What is the correct chemical name for Caustic Soda in liquid form?
Sodium Hydroxide solution
Potassium Hydroxide solution
Sodium Chlorate solution.
Sodium Hypochlorite solution.
A Category "B" Chemical Cargo which has a melting point of more than 15° C. can be carried:
In tanks adjacent to the ship's shell plating having heating coils?
In tanks where the heating coils have been removed and supply and return steam pipes blanked off?
In tanks not adjacent to the ship's shell plating having heating coils?
In any tank onboard the vessel?
What corrections must be applied to the echo sounder reading to compare the depth of water with the depth printed on the chart?
The distance between the pulse Transmitter and Receiver
Shallow water effects
Draught of the ship
Allowance for the ships speed
How many, minimum lines of positions are needed to decide a position using the decca system?
1line of position.
6 lines of position.
2 lines of position.
8 lines of position.
If you are required to splice an eye on a mooring wire (using the recommended 5 full tucks and 2 half tucks) the effective breaking strength of the wire will now be affected by the splice, and you would expect:
A reduction in strength of 30 % to 40 %.
A reduction in strength of 1% to 5%.
A reduction in strength of 10 % to 15 %.
No reduction in strength.
A ship is being overtaken by another ship while proceeding along a river. What should be the required procedure?
The overtaking vessel can overtake but must allow sufficient space to reduce the interaction between the two vessels
The overtaking vessel should request permission from the other ship by sounding two prolonged blasts followed by two short blasts on the whistle or by direct VHF contact.
There should be no overtaking in these confined waters
The overtaking vessel should request permission to overtake from the Port Control VTS
You are in confined waters. Is there any danger in the situation sketched below if you should lose engine power?
She will sheer slowly to port
She will drift to port, but rather slowly as you are loaded
Your ship will sheer to starboard rather quickly with the possible consequence of grounding
Your ship will lose headway, but there should be no immediate danger
Can RNC charts be used for voyage planning?
Only in conjunction with paper charts
Only if approved by the flag state
No
Yes
The OOW is expected to double-check the whole voyage plan?
Yes
No
Only the coastal part
Only if no ECDIS is used
To choose the HF-band, the time difference between 2 stations is:
irrelevant
Don't know
is hardly relevant
is important
Indicate the correct name for the tool on the sketch:
Padlock
Adjustable wrench
Flexible pipe
Water Pump Pliers
In the type of fluorescent lamp system shown in the illustration, the role of the starter is to perform which of the following?
To switch on current through the lamp, and to disconnect the ballast once the lamp has started..
To charge the ballast to a high inductive current, and then divert this current through the lamp.
To create a high starting current.
To pass current through the lamp heaters, and then interrupt the inductive striking current.
When is a ro-ro vessel likely to pitch heavily?
When wave lengths are roughly equal to twice the ship’s length
When wave lengths are roughly half the ship’s length
When the seas are from astern
When wave lengths are roughly equal to the ship’s length
Why do some diesel engine manufacturers recommend machining the valve spindle sealing surface with a half degree difference to the valve seat angle?
To improve valve sealing by compensating for expansion of the valve during high temperature operation.
To minimize heat transfer between valve and valve seat.
To improve valve sealing by compensating for pressure and temperature effects on the valve during engine operation..
To improve valve sealing by increasing contact force by reducing contact area between valve and seat.
By which method is the Vapour Pressure of Crude Oil determined?
The ASTM Elementary Assessment Method.
The API Open Cup Laboratory Method.
The Reid Closed Test method.
The True Vapour Pressure value is always used.
Which of the given statements can be considered as the most accurate according to the IMO Gas Codes and other LNG industry standards?
Methane is neither toxic nor an asphyxiant gas.
Methane is considered as presenting a flammable hazard and may also be an asphyxiant.
Methane is considered as presenting both flammable and toxic hazards.
Methane is considered as presenting a toxic hazard and may also result in a chemical burn in contact with the skin.
What method should be used to discharge a semi-pressurised gas carrier if there is a break down on the cargo discharge pump?
By using the cargo compressor to pump the cargo vapour ashore as it boils off.
By using a portable submersible pump to empty the affected tank
By using the inert gas system to pressurise the cargo tank and force the liquid cargo ashore.
By pressurising the vapour space of the cargo tank using a vaporiser and cargo compressor to force liquid cargo ashore.
Why are handrails in ro-ro decks painted?
To prevent personal injury
To facilitate cargo operations during the hours of darkness
To highlight deck walkways
To prevent contact with vehicles
During RoRo cargo operations, what must be monitored at all times where the ramps are concerned to prevent damage to the cargo
the controls are left unsecured at all times
The angle of the loading ramp is not to steep and that the ramp has not lifted of the jetty
the ramp is correctly painted
Choose the option which is most likely to result in erosion of the tubes in a heat exchanger.
Cooling water velocity too high.
Cooling water temperature too high.
Cooling water pressure too high.
Rate of heat transfer too high.
How do You want to operate the purifier to obtain the best separation result?
By high flow and low temperature.
Flow and temperature have no influence on the result.
By high flow and high temperature.
Separation with correct temperature and low flow rate.
On a RoRo vessel, what standing instruction should be given to protect the Ramps when loading ro-ro units?
Damaged units should be rejected for loading
All ro-ro units must be thoroughly checked for damage prior to the loading ramp
Units whose weights exceed the ramp load density/SWL must not be loaded
How much sugar in a cargo of cement would render the cement worthless?
3.20%
1.00%
15.06%
0.001%
On a Container vessel, what is the function of a lashing plate?
As tie down point for turnbuckles on deck or hatch cover
A means of securing buttresses under-deck
A means of securing the hatch covers
A means of securing lashing chains
What is the usual validity of 2T SWL lashing belts?
10 years
2 years
8 years
6 years
What are cargo residues considered as under MARPOL 73/78?
Marine Pollutants
Oily mixtures
Garbage
Wastes
A steward reaches into a sink filled with soapy water to remove the plug. He cuts his hand on a carving knife lying in the bottom. What policy will best eliminate the chance of this kind of accident happening again while still maintaining hygiene standards?
Everymember of the galley staff is made responsible for washing their own knives.
Heavy duty gloves are to be worn when working at the sink.
Detergent shall not be used if knives are to be washed.
There is a dedicated sink for washing knives.
There has been an accident at the manifold and one of the crew has swallowed a quantity of unidentified chemical. What is the correct medical term for this?
Inhalation.
Infusion.
Absorption.
Ingestion.
When should a vessel’s hatch pontoons not be lifted?
When the SWL of the gantry crane is not clearly marked
When the vessel is listed
When lighting conditions are poor
When the pontoons are to be lifted by a floating crane
What does crude oil consist of?
A natural mixture of carbon and sulphur isomers.
A mixture of carbon extracts and naturally occuring wax.
A natural mixture of simple and complex hydrocarbon compounds.
A refined blend of hydrocarbon compounds and sulphur extracts.
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.
Ventilate the space.
Wash down the space with an approved agent such as 6% hydrogen peroxide.
Wash down the space with a scented detergent (lemon or pine).
A medium speed diesel engine, operating with a pulse turbocharging system, has been adjusted to have good power balance. What would the cylinder exhaust gas temperatures, relative to each other, be expected to be?
plus or minus 5 degrees Celsius.
All cylinder exhaust temperatures should be equal if the cylinder power balance is correct.
plus or minus 70 degrees Celsius.
plus or minus 30 degrees Celsius.
When do vertical accelerations acting on containers reach their maximum values?
When a ship is changing direction at its extreme angle of pitch and roll simultaneously
During resonant rolling
When a ship surges
When a ship is changing direction at its extreme angle of pitch
What is the maximum allowed oxygen content in inert gas in accordance to IMO IGC code?
Maximum allowed Oxygen content in the inert gas on gas carriers is 7% by volume.
There are no oxygen requirement on the inert gas on gas carriers
Maximum allowed Oxygen content in the inert gas on gas carriers is 5% by volume.
Maximum allowed Oxygen content in the inert gas on gas carriers is less than 10% by volume.
Does MARPOL apply to gas carriers?
Only Annex IV.
No.
Yes.
Only Annex V.
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
Normally ventilation fans in enclosed ro-ro spaces must be run continuously whenever vehicles are on board, why?
It is better to run the fans continuously instead of testing the atmosphere
An increased number of air changes may be required when vehicles are being loaded or unloaded, or where flammable gases or liquids are stowed in closed ro-ro spaces
It is easier for the crew, they don't have to think about starting and stopping of fans
The manufacturer of the fans recommends continuous operation to reduce maintenance cost
Which of the following is a definition of the "Proper Shipping Name", as found in the IMDG Code?
The name to be used in any documentation relating to the transportation of the dangerous substance, material or article, such as on forms, labels and placards.
The correct chemical name of a potentially hazardous material, as identified from the Chemical Cargo List.
The name under which a dangerous material, substance or article is
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
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.
What is Standardized Cargo?
Break bulk cargo of standard dimension
Cargo for which the ship is provided with an approved securing system
Cargo that is shipped in standard dimensions
Cargo shipped on pallets
A vessel with a large transverse GM will have which of the following rolling periods?
Fast abrupt rolling period to small angles.
A moderately comfortable period with medium angles of heel.
Slow period of roll either side of an angle of loll.
Very slow and to large angles of heel.
What measures should be taken in order to avoid flammable gases forming on top of coal cargoes on a Bulk Carrier?
Ventilation to be continuous?
Ventilation to be carried out as indicated in the IMO solid Bulk Cargo Code
Cargo to be ventilated by opening hatch covers at sea?
Cargo not to be ventilated?
In a low pressure auxiliary boiler, what would be considered to be the maximum allowable chloride level of the boiler water?
300 PPM.
1000 PPM.
50 PPM.
600 PPM.
Based upon what factors is Seed Cake categorised in the Code of Safe Practice for Solid Bulk Cargoes (BC Code)?
The extraction process, oil and moisture content
Oil and moisture content
Temperature during extraction, oil and moisture content
Temperature during extraction and moisture content
What does the acronym MARVS stand for in relation to liquefied gas carriers?
Maximum Allowed Relief Valve Setting.
Maximum Actual Relief Valve Setting.
Minimum Allowed Relief Valve Setting.
Maximum Automatic Relief Valve Setting.
Why is drying of cargo handling system necessary on refrigerated ships?
To avoid contamination of water in cargo.
To avoid high oxygen content in cargo tanks.
To avoid icing and hydrate formation in the cargo system.
To increase the dew point.
Where is the "WINDLASS", in the figure?
The Windlass is inidcated by D, in the figure
The Windlass is inidcated by B, in the figure
The Windlass is inidcated by A, in the figure
The Windlass is inidcated by C, in the figure
In the figure, which letter indicates what is known as "mooring bits"?
The mooring bits are indicated by B, in the figure
The mooring bits are indicated by C, in the figure
The mooring bits are indicated by D, in the figure
The mooring bits are indicated by A, in the figure
What is the main purpose of the superheater vent valve on a high pressure steam boiler?
To remove air from the superheater.
To contol the superheater pressure during operation.
To remove water from the superheater.
To ensure a flow of steam through the superheater when raising steam pressure or when the boiler is not on-line.
What term is applied to the compensation payment by the charterer that is due when a vessel is unable to load / discharge her cargo within the allowed and contracted time?
Discretion.
Deferment.
Contractual penalty discount.
Demurrage.
How would you report a person lost overboard?
"Man overboard"
"A person has fallen overboard"
"We have lost a person overboard"
"We have lost a person overboard in position….."
What is meant by the term "keeping a proper lookout" as applied to the bridge lookout?
Keeping a visual lookout all round the vessel
Continually visually scanning the horizon all round the ship
Keeping a visual lookout all round the ship and also actively listening out for audio signals
Keeping a very visual lookout ahead and abeam of the ship
"During a bomb search, which of the following is an important principle to follow?"
Know exactly what a bomb looks like
Try to reach behind bulkheads to find a bomb
Throw any suspicious items overboard
Do not touch any suspicious packages
A cargo of chilled meat is being loaded into the cargo space of a reefer vessel and the stow will extend 3.5 metres upwards into the coaming in way of the hatch square. Select, from the options given, the best method to adopt to achieve satisfactory carriage of this cargo.
Construct a false deck out of plywood sheets to reduce the load on the lower tiers.
Lay plywood sheets at approximately mid-height of the stow to reduce the load on the lower tiers.
Construct a false deck made of pallets to reduce the load on the lower tiers.
Ensure a tight stow to resist crushing of the lower cartons.
What is "DRAUGHT", in the figure?
Draught is indicated by D, in the figure
Draught is indicated by C, in the figure
Draught is indicated by B, in the figure
Draught is indicated by A, in the figure
A lubricating oil having a high viscosity index number would normally be used in which of the following situations?
When the machinery operates at a very high temperature.
When the machinery operates at a high load.
When the machinery operates at a very low temperature.
When the machinery operates over a wide temperature range.
What is the requirement to number of inert gas blower(s)?
At least 2 blowers.
Sufficient to obtain minimum 500 mm water column during discharging.
The are no requirement to number of blowers.
1blower.
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
What is the main reson for keeping engine lubricating oil viscosity within recommended limits?
To neutralise any acids that may form.
It is not important
To ensure the strength of the oil film is sufficient to keep lubricated surfaces apart.
To reduce system pressure losses.
What items of container securing equipment must be used in conjunction with buttresses?
Twistlocks
Single stacking cones and bridge fittings
Double stacking cones or link plates
Single stacking cones
This graphical symbol is a logic gate. Which gate?
AND
OR
NOR
NAND
The majority of marine diesel engines operate with either a pulse or a constant pressure turbocharging system. What is the main difference between these two systems?
Pulse systems have all of the cylinder exhausts connected to a common large exhaust gas manifold
Pulse systems always have a turbocharger for each group of three cylinders.
Constant pressure systems have all engine cylinder exhausts connected to a common large exhaust gas manifold.
Constant pressure systems only ever have a single turbocharger irrespective of the number of cylinders on the engine.
On a Container vessel, where should containers with untreated fishmeal cargo be carried?
On deck away from sunlight
Under deck
On deck
Separated from class 4.2 containers
This circuit consists of two capacitors, C(1) = 6 µF and C(2) = 12 µF, in series. Calculate the equivalent C(S) of the two capacitors.
C(S) = 2 µF
C(S) =18 µF
C(S) =1,5 µF
C(S) = 4 µF
When starting cargo compressors they should be:
Unloaded.
Fully loaded.
Half loaded.
It does not matter.
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
When considering how to deal with cargo residues during hatch cleaning at sea on a Bulk Carrier, what is the most careful consideration?
There are no restrictions on discharge of cargo residues to sea
Follow actions of previous crews
Consult MARPOL handbook and the vessels Safety Management System (SMS) for guidance
Check procedures and Arrangements manual
Which of the given options characterizes a 2-stroke diesel engine ?
The piston always has a short skirt.
A 2 stroke engine always has 2 or more turbochargers.
A 2 stroke engine completes a full cycle every revolution.
A 2 stroke engine has an air inlet valve in the cylinder cover.
What should you know about the emergency stops on deck?
Where they are located and how to operate them.
How to disconnect or over-ride them for routine work.
I do not need to know anything about the emergency stops. It's only the officers who operate them.
Where the re-sets are and how to re-set them.
Which of these covers the rules and regulations for General Average?
The Hague rules
The Hamburg rules
The York Antwerp rules
The Hague Visby rules
A water heating system with automatic temperature control uses steam as the heating medium and the temperature is controlled by a pneumatically operated valve? What would be an acceptable start up procedure of the system from cold state?
Start with the control valve in manual and use the hand jack to gradually increase the temperature by throttling the steam flow before changing to pneumatic control.
Start the system up in manual mode and gradually increase the controller output signal until the temperature reaches the required value before changing over to automatic control.
Start the system up in automatic mode with normal set point but with the steam supply to the control valve manually throttled in.
Start the system up in automatic mode with normal set point so that the required temperature is achieved as quickly as possible.
Select, from the options given, the best method to be used for cleaning a cargo space on a conventional reefer vessel into which the cargo to be loaded is the same as the previous cargo carried.
A quick blow through on the top of the deck gratings with compressed air.
Sweep clean the top of the hatch gratings and lift the gratings to sweep clean below them.
A quick blow through on top of and below the deck gratings with compressed air.
A complete wash down of the cargo space with a suitable cleaning agent.
What makes a container vessel's cargo holds effective in containing under-deck fires?
Intact cell guides
A fixed fire-fighting system
Intact hatch and ventilator seals
An effective bilge pumping systems
What would be the most probable cause if the exhaust gas from a diesel engine looked a bit blue in colour?
Bad fuel oil.
Clogged charge air cooler.
Engine is too cold.
Engine burning too much lubricating oil.
Refrigeration plants using ammonia as the primary coolant have been fitted to some reefer vessels. When designing such a ship which aspect, from the options given, would be the most important consideration?
The temperature range that the plant would be expected to operate at.
Crew safety.
Installing a suitable control system for the plant.
Availability of the gas.
A diesel engine cylinder head is to be overhauled but the spring compressor for removing the valve collets is found to be damaged and unusable. How should the task be carried out by ship's engineers?
Use a couple of screwdrivers to compress the spring and lever out the collets as this will save time.
Use a ring spanner to press down on the spring guide and pick out the collet halves once they are free.
Delay the work until a new spring compressor is available or fabricate a suitable replacement onboard if the work is urgent.
Using a hammer and a tube with an inner diameter slightly bigger than the outer diameter of the collets repeatedly strike the upper spring carrier until the collets pop out.
Why should trousers worn in the galley be full length, but loose fitting?
Because ventilation will lessen the chance of cramp in the lower legs.
Because keeping the lower legs uncovered will lessen the chance of heat rash.
To lessen the chance of scalding, if a hot liquid is spilled.
Because it is the style adopted by all marine cooks.
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?
50% extra
5% extra
25% extra
10% extra
What alternative is there to direct (heating coils or heat exchanger) or ducted heating on a parcel chemical tanker?
Recirculation.
There is no alternative. These are the only acceptable methods of heating for such a vessel.
Venting the tank with heated, de-humidified air prior to loading.
Stowage such that heat transfer may be delivered from a cargo of higher temperature in an adjacent tank.
What should you do in case of any fire breaks out?
Ask passengers to assist you with fire-fighting
Fight the fire and report to the bridge when you have extinguished it
Alert the bridge, Rescue human life, Extinguish if possible by use of available fire fighting-fighting appliances, Secure the area/ damage control
Call FIRE-FIRE-FIRE
How many rescue boats should be provided on ro-ro passenger ships of 500 gross tons and above?
Two, and at least one of the rescue boats shall be a Fast Rescue Boat
One Fast Rescue Boat
Two Fast Rescue Boats, one on each side of the ship
None providing the ship has lifeboats
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 will occur within the cargo tank if Crude Oil Washing is undertaken with oil containing a substantial amount of water?
It will be impossible to separate the oil and water at a later stage
Ther will be inadequate drainage due to emulsification
An electrically charged mist may be generated
It will assist in the cleaning of the tank
When a fire breaks out in the engine room, who is in charge of the fire fighting operations?
The engineer on duty
The Captain
The first person to arrive at the scene
The Chief Engineer
What class of fire is a smouldering fire of wood, textiles, paper and other carbonaceous materials?
Class A
Class C
Class B
Class D
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.