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家 在线测试 CES Gas tanker Deck Support Test online CES 5.1 for Deck department, Support level, Gas tanker vessel
在线测试： Test online CES 5.1 for Deck department, Support level, Gas tanker vessel
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该测试由有关选定主题的随机问题组成。
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Which of the following is a precautionary measure to prevent fire:
All the answers are good
Storing rags impregnated with oil in closed containers
Emptying dust bins
Cleaning dirty surface
By a ‘geographical area call’ in the DSC system is meant:
Don't know
a DSC message for all vessels within a certain area from a position in the DSC message, and the degrees are given in northerly and westerly direction
a DSC message for all ships heading towards a certain geographical area
a DSC-message for all vessels within certain area marked by areference position, given in the DSC message and the degrees are given in southerly and easterly direction
For a DSC-connection (no ‘distress alert’) with another vessel the following frequencies are used:
TX: 2187.5 kHz RX: 2187.5 kHz
Tx: 2187.5 kHz RX: 2182.0 kHz
TX: 2189.5 kHz RX: 2189.5 kHz
TX: 2177.0 kHz RX: 2177.0 kHz
The position that is determined by built in GPS-receiver in an Inmarsat-EPIRB has an accuracy of about:
1200 meters
2200 meters
4200 meters
200 meters
For which ships is the MARPOL convention applicable?
For all vessels.
For all vessels except passenger vessels.
For all vessels except those engaged in coastal trade.
For tankers and other vessels carrying persistent oil as cargo.
Your ship is approaching the berth as illustrated and has a right handed propeller and no thrusters. What could be a method to retain full control of the vessel as it comes alongside?
Reduce speed by going astern on the engines.
Let go port anchor to about 1 shackles on deck
Full starboard rudder and stop engines
Let go starboard anchor to about 1 shackle on deck
You are transiting a narrow channel. What can happen in this situation?
The bow will be pushed away from the bank
The bow will be sucked towards the bank
The stern will be pushed away from the bank
None of the mentioned will happen
Your ship is drifting in open sea with temporary engine malfunction. You are equipped with precise navigation equipment. What should you do in this situation?
Go to bed and wait for the engine to be ready
Use the opportunity to plot direction and rate of drift for later use
Call the company immediately
Ask the Chief Engineer when the engine will be ready
What is important to check when transferring a position from GPS to a chart?
Reading the position correct
Plotting the position correct
Make sure that the chart and the GPS use same datum
Make sure the map is updated
What is understood by the term "Balanced Rudder"?
A rudder with equal rudder area forward and aft of the turning axis, the turning axis being at the geometrical centre of the rudder area
A rudder with part of the rudder area forward of the turning axis, therefore reducing the load on the steering motor.
A rudder which is operated by two steering motors providing equal amounts of thrust to the rudder
A rudder with an additional flap attached the training edge to improve the rudder efficiency
Which of the following information shall be specified by the muster list?
The abandon ship signal consisting of two long blasts
Action to be taken by crew and passengers
The muster list has been prepared and approved by the administration before the ship proceeds to sea
The specific duties assigned to passengers that are in charge of a group of others
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 given options characterizes a 2-stroke diesel engine ?
A 2 stroke engine completes a full cycle every revolution.
The piston always has a short skirt.
A 2 stroke engine always has 2 or more turbochargers.
A 2 stroke engine has an air inlet valve in the cylinder cover.
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.
Why is it important to have knowledge of assembling stations, even though you have no specific role during an emergency?
Enables you to correctly guide and direct passengers during an emergency.
It is where you can find all the life saving appliances.
Enables you to find your way around the ship.
Enables you to direct passengers to different shopping locations on board the ship.
What should be logged when fumigating a bulk cargo?
The amount of fumigant used in each cargo hold
The time of fumigation treatment given in each cargo hold
The name of the fumigator and fumigation company
All
What are cowl ventilator trunks prone to?
Infestation
All
Leakage
Corrosion
What is the purpose of an oil mist detector, OMD, as fitted to a diesel engine?
To detect any potentially explosive atmosphere in the crankcase.
To detect stuffing box leakages.
To detect circulation of the engine lubricating oil.
To avoid hot spots in crankcase.
Commonly available on board an oil tanker, what is the industry standard Guide that describes best safety practise for tanker and terminal operations?
SOLAS 1974
STCW '95
The ISGOTT Guide
MARPOL 73/78
What is the minimum number of bolts required in a 12 inch bolted flange cargo hose coupling?
8 bolts
4 bolts
6 bolts
A bolt in every hole
What is the purpose of refractory linings in an oil fired steam boiler furnace?
To support the steam drum.
To ignite the burner during automatic operation.
To prevent excessive furnace heat losses and protect tubes and other fittings from overheating.
To give added strength to the furnace.
What is the usual validity of 2T SWL lashing belts?
10 years
2 years
8 years
6 years
Select the tool, from the options given, which would be used to produce accurately sized bolt holes in a steel flange?
A reamer.
A hole punch.
A twist drill.
A centre drill.
What is a Marine Evacuation System?
Liferafts supported by Fast Rescue Boats and Lifeboats
Evacuation Chute(s)/Slide(s) and Liferafts
Helicopter evacuation
Assistance from other ships
On a Container vessel, what can cause large loads in lashings when containers are secured to a lashing bridge?
The lashing bridge is flexible but the hatch covers are fixed, causing the lashings to go alternately slack and tight
The lashing bridge is fixed but the hatch covers move when the ship rolls and pitches, causing the lashings to go alternately slack and tight
Due to flexibility of the hatch covers
Due to inflexibility of the lashing bridge
What should the master know prior to loading iron ore?
The maximum angle of heel under normal sea-going conditions
The virtual loss of GM en route
The maximum righting lever
The maximum angle of heel that will be caused by a shift of cargo
On a container vessel, what should be referred to when taking action to deal with a cargo spillage under-deck?
The ship's Contingency plan
The EmS Guide
The Dangerous Cargo Manifest
The ship's Safety Management System (SMS)
What is the function of a Ship’s Register?
Gives the name of the charterer
Used to gain a mortgage for buying a ship
Shows vessel is constructed safely
Proves the name of the owners of shares in the ship and nationality
Prior to commence loading, in what way would you best ensure a smooth technical operation?
Test/check the COW system?
Test/check the cargo pumps?
Test/check cargo pipes?
All the mentioned alternatives?
How is the size of a reefer vessel normally referenced?
By the Suez Canal tonnage.
By the cubic foot capacity.
By the pallet capacity.
By the grain capacity.
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.
The critical part of any bunkering operation may be considered to be when topping off the tanks at which stage the risk of overflow and spillage of fuel oil is greatest. What is the correct safe procedure to adopt to minimise this risk?
Reduce the bunker delivery flow rate and top off the tanks one at a time.
Shut off each tank as it overflows into the fuel oil overflow tank.
Top off all of the tanks together to reduce the inflow rate into each tank.
Watch for oil coming up the sounding pipe and shut the tank valve just before it overflows.
A conventional reefer vessel operating a Controlled Atmosphere (CA) is approaching the port of discharge in Northern Europe. Which is the most suitable action to take from the options given?
Turn off the CA plant just prior to the start of discharge operations.
Continue to apply CA throughout the discharge to maintain the condition of the cargo.
Continue to apply CA until the hatches are opened to maintain the condition of the cargo.
Turn off the CA plant and thoroughly ventilate the cargo spaces under CA with fresh air just prior to arrival.
Which of these tasks are performed as part of the SSA?
Implement measures to address weaknesses in ship security.
Train shipboard personnel in their security duties.
Assess the likelihood and potential consequences of security incidents.
Assign security duties to ship personnel.
What is a "consignee"?
Any person or company which seeks to transport a consignment of cargo by sea.
Any person, organization or government that prepares a consignment for shipment.
Any person, organization or government entitles to take delivery of a consignment.
Any person or company responsible for the operation of a vessel which carries a consignment as freight.
The 'Critical Temperature' is important when dealing with liquefied gas cargoes. What is the IMO Gas Codes' definition of the term 'Critical Temperature'?
It is the temperature at which vapours from a liquefied gas cargo will self-ignite.
It is the temperature above which a gas cannot be liquefied by pressure alone.
It is the temperature at which liquefied gas cargoes give off flammable vapours.
It is the temperature at which a cargo of liquefied gas must be carried.
Perishable cargo is usually stowed on wooden pallets. The pallets are designed for either two-way or four-way fork lift entry. From the point of view of use on a refrigerated vessel, choose the option which highlights the most important difference between these two types of pallet.
The four-way pallet uses less material.
The two-way pallet is more robust.
The two way pallet is easier to construct.
It does not matter which way around the four-way pallet is stowed.
Searches are often triggered by:
Lost baggage.
News stories of stowaways.
The receipt of a shipment of damaged stores.
An increase in security level by the Flag State.
On a General Cargo Vessel, what do Tonnes per Centimeter Immersion (TPC), Moment to Change Trim by one Centimeter (MCTC) and Longitudinal Centre of Floatation (LCF) have in common?
They vary with small angles of heel
These vary with the gross tonnage of the vessel
They vary with changes in displacement
They remain unaffected by changes in displacement
Which factor influences the pumping capacity (flow) of a centrifugal pump the most?
Total pressure head
Liquid density
Suction pressure
Liquid temperature
What would be the most probable cause of the exhaust gas temperature from one cylinder of a diesel engine being lower than normal?
The opening pressure for the injection valve for the cylinder is set too high.
There is air in the fuel oil system.
The intake filter for turbo charger is partly fouled.
The camshaft chain is too slack.
Over a period of a few hours of operation the main diesel engine speed gradually falls off. From the options given what is the most likely cause of this fault?
Water in a cylinder.
Injection valve opening pressure is too low.
Governor linkage broken.
Fouling of turbocharger intake filters.
When discussing ther chemistry of petroleum cargoes, if 'Alkanes' are saturated hydrocarbons, what are unsaturated hydrocarbons?
They are also referred to as Alkanes.
Pentenes.
Alkenes.
Octanes.
What must be accessible at all times whilst loading and stowing ro-ro cargoes?
Fixed cargo lashing points
Fire-fighting equipment
Ventilator trunking
The vessel's bracket connections to ro-ro decks
Too high exhaust temperature in one cylinder becomes because of:
Nozzle ring of turbocharger fouled or partially choked.
Scavenge ports dirty.
Compression pressure too low.
Speed governor defective.
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
Documented operating procedures
Automatic detection systems, television surveillance and patrolling
Let experienced personnel close and secure doors and ramps
What is the absolute maximum size for a cargo tanks on oil tankers?
Maximum 40,000 cubic metres.
Maximum 35,000 cubic metres.
Maximum 20,000 cubic metres.
Maximum 30,000 cubic metres.
What is the maximum period between the sampling/testing of the moisture content of a solid bulk cargo and the loading of that cargo into a bulk carrier?
It must always be conducted immediately before loading
A test is not required each time of loading
Testing must be carried out on a random sampling basis.
A maximum for seven (7) days, when there has been no change in the moisture content due to rain or snow
What is the danger of having a large bunker tank only partially filled with bunkers?
Excessive corrosion of the tank sides.
FSE and virtual loss of GM.
Constructional damage due to liquid movement in the tank.
Insufficient bunker to complete the voyage.
What general background colour is used on warning signs that indicate emergency or first-aid features, or indicate a safe condition?
Blue.
Green.
Yellow.
Red.
What is the denomination for API?
Long tons at 60 degrees Fahrenheit.
Metric tonnes at 60 degrees Fahrenheit.
An abbreviation of American Petroleum Institute.
Cubic metre pr. volume unit.
What are the minimum required air changes per hour for Special Category Spaces in cargo ships?
15
6
10
20
During sea passage how would one know if gasoline vapours were escaping from vehicles/ro-ro units?
By using oxygen meters in the vehicle/ro-ro decks
By using carbon monoxide meters in the vehicle/ro-ro decks
By sense of smell
By using flammable gas detectors in the vehicle/ro-ro decks
The Ziegler-Nichols method is used in control engineering when setting up the system. Which of the system components given in the options would this method be applied to during initial set up?
Sensing unit to set the range.
Valve positioner to optimise speed of operation.
PID controller for tuning.
Valve and actuator to set the span of travel.
s
g
d
j
f
When testing boiler water, should the sample be:
As hot as possible.
At lowest possible temperature.
At room temperature.
It makes no difference.
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
How many two-way VHF radiotelephone apparatus shall be provided on board a passenger ship of 500 gross tonnage and upwards?
2
One for each survival craft
It is required to have a fixed two-way VHF fitted in a survival craft
3
What will you do if you are helmsman and the OOW (officer on watch) gives you the order: ”Starboard ten”
Repeat the command back and then change course 10 degrees to starboard of present course
Repeat the command back and then put the wheel over sufficiently for the ship to swing at a rate of 10 degrees per minute to starboard.
Repeat the command back and then turn the wheel to make the rudder turn 10 degrees to starboard of amidships
Repeat the command back and then allow the vessel to drift 10 degrees to starboard of original course
What is the purpose of an evacuation analysis?
To provide port state control inspectors with reports
To provide the passengers with written results of the analysis
To identify and eliminate, as far as practicable, congestion which may develop during an abandonment
To ensure the ship can be evacuated in less than 30 minutes
Marine steam boilers are protected with a number of safety features which are designed to prevent damage to the boiler due to overheating or overpressure. How is this protection achieved when a very low water level condition (often referred to as low low level) develops during operation?
The main and auxiliary feed control valves open fully while all burners continue to operate.
All burners are automatically and immediately shut off.
All but one of the burners is shut off with the remaining burner being reduced to minimum firing.
All burners are automatically set at minimum firing rate.
A positive displacement type flow meter is defective and cannot be repaired. It is to be replaced with a new instrument which uses a Venturi type sensor. Which of the pneumatic relays given in the options will be required in order for this type of instrument to function correctly?
Multiplier relay.
Summation relay.
Square root extractor relay.
Subtraction relay.
What is the correct understanding of the term "Isobar"?
An "Isobar" is the line showing the direction of the predicted path of a hurricane.
An "Isobar" is a line joining places of equal pressure.
An "Isobar" is a line joining places of equal temperature
An "Isobar" is the line of the cold front in a frontal depression
Which inert gas systems use only gases from the ship's main or auxiliary boilers?
The inert gas generator
Nitrogen generator
Combination - inert systems
The flue gas plant
If left-over cooked meat is to be re-used in another meal, which of the following precautions must be taken?
The meat must be fine chopped to ensure it re-heats to at least 70 degrees Celsius as quickly as possible; it must not be mixed with newly preared raw meat; the dish in which it is used must only be heated once.
The meat can be directly added to another dish and musdt be re-heated to the temperature required by the new recipe; it can then be re-heated for further servings provided it is refrigerated in between.
The cooked meat must have been refrigerated until required; it can be taken out, chopped and mixed thoroughly with newly cooked ingredients, to ensure it is adequately re-heated. If it cools before serving, it can be warmed through on a hot plate or under a heat lamp.
The meat must be sliced to a thickness of less than 5 mm to ensure it re-heats to at least 50 degrees Celsius during cooking; it can only be layered with other previously cooked ingredients; the dish in which it is used can be re-heated again, provided it is refrigerated between each serving.
On a RoRo vessel, where will escaping gasoline vapours settle in a cargo hold? If the forced ventilation system is shut down
At deckhead level
At the lowest levels
At all levels
When there is doubt about the freshness of the atmosphere in ro-ro cargo spaces, what action should be taken?
Supply filter masks to all crew working on ro-ro deck
Ro-ro decks are always ventilated in advance of an operation
Arrangements should be made for testing of the atmosphere to ensure maintenance of 21% oxygen and a carbon monoxide content below 50 ppm in the atmosphere of the space
Open both bow- and stern doors
Which electronic component or system of components is this graphical symbol illustrating:
3-phase sine-wave generator
Bandpass filter
Transformer with ferromagnetic core
Electric heater
How can a lead-acid type battery be checked to confirm if it is fully charged or not?
Measure the relative density (specific gravity) of the electrolyte
Measure the temperature of the electrolyte
Measure the level of the electrolyte
Measure the battery voltage
Inspection of the LP turbine rotor reveals some erosion damage to the blading on the final stage. Which of the given options is most likely to be the cause of this condition?
Steam inlet to the turbine superheat temperature low.
Steam inlet to the turbine pressure too low.
Excess LP bleed steam take off.
Total dissolved solids in the boiler too high.
What measures regarding ship stability should be taken in order to make passenger ships able to withstand critical damage?
Damaged stability to be increased by weight redistribution.
Avoid overloading the ship
Damaged stability to be increased by use of water ballast
Maintain sufficient intact stability
What is the main reason that passenger baggage creates problems for crowd control?
If passengers are already in muster stations, you will have to allow them to return to cabins to retrieve baggage.
Muster stations are crowded, and passenger baggage takes up space.
There isn't room in the life rafts, and crewmembers will have to tell passengers to leave baggage behind.
Passenger baggage clutters escape routes, and embarkation stations, and slows down an evacuation.
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
What stability precautions should be taken when loading heavy cargo on a conventional general cargo vessel?
There would be no specific stability problems with a heavy cargo, because the ship would be down to her marks before the spaces were full.
Stow the cargo in the lower hold and keep the Centre of Gravity low and have a large positive GM
Stow some of the cargo in the Tween deck space to raise the Centre of gravity and reduce the effective GM
The lashings should be adequate for the weight of the cargo
Fast rescue boats construction should be:
Inflated
Rigid
Stainless steel
Rigid, inflated or rigid / inflated
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
After discharge of a cargo of bananas there are a lot of cartons of condemned fruit on the deck. The vessel is not in a special area and is more than 100 miles from land. Select from the given options the best way to dispose of the condemned fruit.
Remove and retain all of the packaging including any inner plastic bags and dispose of the condemned fruit overboard.
Keep the cargo onboard until the vessel enters a port with suitable disposal facilities.
Dispose of the complete cartons of condemned fruit overboard and make an entry into the Garbage Disposal Log.
Keep the fruit for crew consumption and dispose of the packaging.
What name is given to the pickled, fermented vegetable condiment that accompanies almost every Korean dish?
Korchee.
Kebchee.
Kalachie.
Kimchee.
What is the approximately efficiency of the ejector?
The ejector's efficiency is between 20% and 30%.
The ejector's efficiency is between 30% and 40%.
The ejector's efficiency is between 70% and 80%.
The ejector's efficiency is between 60% and 70%.
What is the most suitable type of packing for a shaft gland of a pump used for seawater duties?
Greasy cotton packing.
Mica impregnated cotton packing.
PTFE rope packing.
Lead covered hemp packing.
What can be the result of the combination of free surface and flat tank bottom in partially loaded tank with heavy weathe ballast?
Generation of wave energy.
High metacentric hight.
High vertical shear force.
Longitudial bending moment.
What may be issued by the shipper to indicate that a vessel or her operators will not be held responsible for any damage that may arise from the carrier issuing a clean Bill of Lading, even though the Mate's receipt is marked as "unclean", such as may apply to atmospheric corrosion on steel plates that have been waiting in a port facility for some time awaiting shipment?
A Letter of Credit.
An addendum to the Bill of Lading.
An absolution clause in the shipping documents.
A Letter of Indemnity.
Some fuel oil and lubricating oil separators have a facility to control the back pressure of the clean oil outlet. What is the purpose of this control function?
To help to maintain the oil/water interface at the correct position.
To control the amount of fuel passing through the separator.
To reduce the amount of sealing water required during operation.
To assist in discharging the bowl contents during the sludge cycle.
What is to be considered when deciding the position of the accommodation on an oil tanker?
They must be at the after end of the vessel.
There are no restrictions to the position of the accommodation.
A single failure of deck or bulkhead shall not allow fumes into the accommodation spaces.
There must only be one accommodation block.
Why can't we use inert gas from a combustion-type generator when preparing cargo tanks for ammonia?
Because of the high temperature in the inert gas.
Because ammonia reacts with the carbon dioxide in the inert gas.
Because of high water content in the inert gas.
Because of the high oxygen content in the inert gas.
On the figure 4 possible definitions of the term "HEIGHT" are given. Which one is the correct one?
Height is given by A on the figure
Height is given by C on the figure
Height is given by D on the figure
Height is given by B on the figure
What are the Bosun and 2nd Mate going to do?
They are repairing the windlass
They are stand-by at the forecastle
They are waiting for the Pilot
They are going to weigh the anchor
How many pyrotechnic signals to be in each lifeboat?
8 Rocket parachute flares / 2 hand flares / 6 buoyant smoke signals
6 Rocket parachute flares / 6 hand Flares / 6 buoyant smoke signals
4 Rocket parachute flares / 6 hand flares / 2 buoyant smoke signals
10 Rocket parachute flares / 12 hand flares / 5 buoyant smoke signals
What kind of foot wear should be used when working on deck and in the engine room?
Tennis shoes
Rubber boots
Safety shoes or safety boots
Sandals or plimsolls
On the figure 4 possible definitions of the term "ABEAM" are shown. Which one is the correct one?
Abeam is defined as A on the figure
Abeam is defined as C on the figure
Abeam is defined as D on the figure
Abeam is defined as B on the figure
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