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Maison Tests en ligne CES Oil tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Oil tanker vessel
Tests en ligne : Test online CES 5.1 for MASTER / Ch-Officer, Oil tanker vessel
Test en ligne
Description
Le test consiste en des questions aléatoires sur un sujet sélectionné.
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After smoking, cigarettes should be disposed off as follows:
Disposed of in an ashtray, ensuring that it is extinguished
Dropped into a waste bin
Dropped over the lee side only so that it cannot blow back on board
Dropped over the side only if you are certain they are extinguished
What is the minimum number of "international shore connections" that should be provided on vessels of 500 gross tonnage and upwards?
0: such connections only have to be provided on vessels over 1000 gross tonnage
3
1
2
Water is the extinguishing agent which is the most widely employed and its action as an extinguishing agent is due to a combination of the following phenomena:
Cooling, inhibition and dispersion
Smothering and inhibition
Cooling, smothering and dispersion
Smothering and dispersion
What are the three diameters of fire hoses most commonly found on ships?
10, 50 or 85 mm
25, 45, or 70 mm
17, 43 or 74 mm
50 or 100 mm
*What is the minimum volume of air contained in the cylinders of a SOLAS compliant self-contained compressed-air operated breathing apparatus (SCABA)?
1200 litres
1800 litres
1000 litres
2500 litres
If you were put in charge of a fire team what is the minimum number of men wearing BA sets that you would allow to enter a smoke filled compartment?
3 men
4 men
2 men
1man
To obtain “time and duration” after a telephone call with number 010-1234567 in the Netherlands, via an Inmarsat-terminal, one should enter after receiving the second dialling tone:
Don't know
3731101234567#
31#
37#
In case of pollution in US waters, do you always have to notify the National Response Center (OPA-90)
Yes, within thirty (30) minutes
No, only the shipowner can notify NRC
No, not if the local US State Authority is correctly notified
Yes, within three (3) days
Which of the following is NOT required to be in the oil transfer procedures?
Any special procedures for topping off tanks
A line diagram of the vessel's oil transfer piping
The location and capacity of all fuel and cargo tanks on the vessel
The number of persons on duty during oil transfer operations
One of the following areas is NOT a Special Area as mentioned in MARPOL regulations regarding pollution by oil. Which is that area?
The Red Sea and The Gulf of Aden
The Gulf of Mexico
The Baltic Sea
The Mediterranean Sea
If pollution takes place, what would you do immediately?
Report to relevant authorities.
Inform the manager.
Start clean-up operations.
Inform the vessel-s agent.
You are sailing in shallow water, with 15% Under Keel Clearance. How will the stopping distance be, compared to deep water?
Longer
The same as in all depths
Shorter
About 1 ship-length longer
The purpose of a VHF-installation onboard is in the first place:
To enhance safety in general
To make radio telephone calls with party concerned onshore
Don't know
To maintain mutual radio contact
Define the class of emission G3E :
Radiotelex and DSC - Phase modulation
Radiotelephony - Phase modulation
Radiotelephony - Frequency modulation
Radiotelephony - Single sideband suppressed carrier
Give the meaning of this symbol:
lifebuoy with light
lifebuoy with light and smoke
lifebuoy with line throwing appliance
lifebuoy with line
Which item among those below is included in the normal equipment of every liferaft ?
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
one boat-hook
one searchlight which can work continuously for not less than 3 hours
one (two for a 13 person accommodation) buoyant bailer
Which of the following actions should be done before throwing this type of inflatable liferaft over the side?
Inflate it on deck and then launch it if clear below
Check that the painter is made fast to a secure point and that the sea below is clear
Take the top off the container to enable raft to inflate once in the water. If all clear, throw raft over side
Disconnect the painter and launch it, checking that all is clear below
*What is the meaning of this symbol ?
Embarkation ladder
Lower lifeboat to water
Start air supply
Start water-spray
What is the meaning of this symbol ?
Child's lifejacket
Lifebuoy
Immersion suit
Lifejacket
The muster list shall show the duties assigned to crewmembers in relation to passengers in case of emergency. Which of the following duties do not necessarily have to be included in the muster list? The duties shall include:
ensuring that every passenger is provided with an immersion suit or a thermal protective aid
ensuring that a supply of blankets is taken to the survival craft
seeing that passengers are suitably clad and have donned their lifejackets correctly
assembling passengers at muster stations
What special safety measures are required by a seaman when working aloft on a stage?
Safety harness with a rope secured to a safe point above.
No special safety measures required.
A safety harness secured to the stage.
Helmet, safety shoes and gloves.
Ship staff shall inspect all lifting equipment and record the inspection in the cargo gear record book at intervals of:
Yearly
Whenever it is deemed necessary by the master
2 years
5 years
You are inerting a cargo tank on an oil tanker, prior to gas-freeing for entry. What is the maximum oxygen content permitted in the inert gas main during this operation, as required by SOLAS 1974?
5% by volume.
2% by volume.
8% by volume.
12% by volume.
Prior to bunkering operations it is necessary to check the quantity of fuel remaining onboard and that there is sufficient room for the fuel that is to be loaded. What is the best method to use to establish this?
Sound the tanks which you think might still contain some fuel.
Do a complete sounding of all fuel bunker tanks
Take a full set of readings from remote content gauges.
Use the latest figures from the fuel record book.
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 journal.
Damaged rotor bearing shell.
LPG and other liquefied gases are often transported by sea on fully refrigerated gas carriers. What is the generally accepted definition of a fully refrigerated gas carrier?
Any gas carrier designed to carry liquefied gases and is fitted with a cooling plant.
A gas carrier, fitted with a reliquefaction plant, and designed to carry liquefied gases at the boiling temperature and at pressures slightly above atmospheric.
A gas carrier designed to load and carry liquefied gases at boiling temperature and at pressures slightly above atmospheric. No cooling plant is necessary as the cargo is loaded fully refrigerated.
Any gas carrier designed to carry pre-cooled liquefied gases in thermally insulated cargo tanks.
Why should wet cloths not be used for carrying hot cooking pans?
Because Health and Safety regulations prohibit the use of a wet cloth within 2.5 metres of a galley range.
Because they conduct heat quickly and may cause scalding.
Because a cloud of steam will be generated and the person carrying the pans may find it difficult to see where he is going.
Because the mositure will transfer to the pan and cool the contents.
Which of the statements given in the options relating to LNG carriers is true?
LNG is normally carried in fully pressurised gas carriers.
LNG is always carried at very low temperature.
The size of an LNG carrier is limited to no greater than 50,000 m3 cargo capacity.
All LNG carriers are fitted with spherical tanks.
Every person onboard ship has a responsibility for safety and security. General house-keeping rules should be followed. Which of the listed rules is the most important onboard a tanker?
Never carry lighters or matches on the tank deck.
Always wear safety shoes on deck..
Always use the handrails when going up or down ladders.
Always use gloves when operating portable grinders and chipping machines.
On a Container vessel, when should a vessel's hatch pontoons not be lifted?
When the heel of the ship is excessive
When lighting conditions are poor
When the SWL of the gantry crane is not clearly marked
During inspection of the cylinder cover from a medium speed diesel engine cylinder it is noted that cracks have occurred between the two exhaust valve pockets and the fuel injector pocket. Select from the given options the most probable cause of this type of failure.
Fuel impingement on the cover due to distorted injector nozzle holes.
Excessive thermal stress due to insufficient cooling of the cylinder cover.
Excessive maximum pressure in the cylinder due to engine overload.
Excessive tightening of the fuel injector in the pocket.
On a Container vessel, if there are isolated stacks of containers at bay 12, off-centre at bay 04 and at the extremity of bay 06, which of these stacks will require wind lashings?
Only the containers at bay 12
None
The stack at bay 06
All three
Which of the following kinds of fish is the least perishable in cold storage?
Herring
Salmon
Halibut
King klip
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 do the letters "TPC" stand for?
Tonnes per Centimetre.
Tipping Centre.
Trim per Centimetre.
Tonnes per Centimetre Immersion.
How often shall drills for the operation of watertight doors, side scuttles, valves and closing mechanism of scuppers, ash-chutes and rubbish chutes take place in passenger ships?
Every month
Weekly
Daily
Every two weeks
A mixed deck cargo is to be loaded on a General Cargo Vessel; what are some of the important checks to be made by the Officer of the Watch?
Access to the ER and galley are unaffected
All fire hydrants and sounding pipes must be accessible
All hatch covers and the paint store must be accessible
Deck cargo is loaded no more than two metres above the deck
Onboard training should be organised in such a way that:
none of the above
It is an integral part of the overall training plan
Each crew member is trained individually
It does not contravene with the rest hours of the crew
According to most industry standards, what percentage of oxygen by volume is required for entry into an enclosed space without a breathing apparatus?
11%
17%
21%
15%
Indicate the correct name for the part marked on the sketch:
Liner
Bottom end bearing
Connecting rod
Crosshead
This circuit consists of a voltage source V, a change-over switch S, a resistor R and an inductor L. The voltage/time figures 1 to 4 show possible changes in the voltage V(L) in case the switch S is suddenly shifted from position 1 to 2 at time t = 0. Only one of the diagrams is correct. Which?
Figure 4
Figure 2
Figure 3
Figure 1
Which of the following would be considered pollution, when discharged overboard, under the US water pollution laws?
All of the mentioned
Garbage
Oil
Hazardous substances
At what temperature would a fully refrigerated cargo of propane normally be carried on a liquefied gas carrier?
minus 43° C
minus 4° C
minus 33° C
minus 23° C
Continuity testing of a delta connected three phase induction motor yields the following results; U-V =3 ohms, V-W =3 ohms, W-U =6 ohms.Which of the following is the likely condition?
Short circuit winding between W and U
Open circuit winding between W and U
Short circuit between V and Earth
Partial fault between W and U
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.
How can water hammer be avoided when operating the valves and pumps in a cooling water system?
Operate valves quickly
Start the pump with open valves
Operate valves slowly
Start pump with closed valves
How would you arrive at the ‘Stowage Factor’ of a carogo commodity?
By dividing the volume of the space by the tonnage of the commodity
By dividing the area of the space by the tonnage of the commodity
By dividing the gross tonnage of the space by the area of the commodity
By dividing the gross tonnage of the space by the volume of the commodity
During the hose testing of hatch covers what is the maximum distance from which a jet of water must be directed onto each part of every hatch cover joint?
1.5m
1.8m
2.0m
0.5m
Some process control systems may several inputs and controlled variables. In this context what is meant by split-range?
On-Off control
Several controllers are connected to the same control-valve
Several control-valves are connected to the same controller
Several control-loops for the same range
When loading a General Cargo ship, what do logs, fishmeal, scrap metal and bales of cotton have in common?
They are all capable of causing oxygen depletion in the cargo holds
They are all liable to spontaneous combustion
Fires caused by these cargoes cannot be extinguished using carbon dioxide gas
They contribute to ship's sweat
To evaluate the condition of a heat exchanger the following measurements should be recorded:
In and outlet temperatures on one media
In and outlet temperatures, and flow rates for both media
In and outlet temperatures for both media
Pressure drop
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
When one ship is unmooring from another which is at anchor, the unmooring crew should be instructed to cast off lines:
As and when they think fit.
As and when the vessel remaining at anchor instructs them to do so.
As and when the manoeuvring vessel instructs them to do so.
As and when strain appears on individual ropes.
Which of these statements is correct?
Under the Hague and Hague-Visby rules a shipowner must exercise due diligence to make the vessel seaworthy
Under the Hague rules there is an obligation to make the vessel seaworthy
A vessel may be seaworthy even though she may not be cargo worthy
On liner routes cargoes must always be lashed in a standard manner irrespective of season
What is the name of the portable walkway or access between ship and shore?
Bulwark
Bridgeway
Accommodation ladder
Gangway
What is most important when using expanded square search?
Accurate navigation
Fixed rate of turn
Fixed turn radius
Constant speed
Is there any requirements regarding double bottom for large passenger ships?
No, a double bottom is not required
Yes, in ships of 76 m in length and longer, a double bottom shall be fitted amidships, and extend to the fore and aft not less that ? of the ship length.
Yes, in ship of 76 m in length and upwards, a double bottom shall be fitted amidships, and shall extend to the fore and after peak bulkheads, or as near thereto as practicable.
Yes, a double bottom shall be fitted amidship
In a low pressure auxiliary boiler, if after testing the water, You found the P. alkalinity to be 50 PPM CaCO3, what action would You take?
Increase dosage.
Blow down the boiler and reduce dosage.
Do nothing.
Reduce dosage.
Which of the following fresh fruits should be used first?
Pears
Apples
Grapes
Oranges
Which of these procedures should crew follow when conducting a search?
Search the perimeter of the space up to a height of 5 feet.
Wait in the area they’ve finished searching until they’re contacted for a status update.
"Stand quietly in various spots around the space, listening for unusual sounds like the tick tock of a clock mechanism."
Conduct random or spot checks of logical threat areas.
Which plan shows the position of the centre of gravity of every tank aboard the ship?
Capacity plan
Tank plan
General Arrangement plan
Pumping plan
A cable carries a current of 1500A at 660 Volts and has a voltage drop along it's length of 30volts. Assuming the cable insulation is good enough to work at High Voltage, what would be the voltage drop when supplying the same amount of power at 6600 Volts.
0.3 Volts
300 Volts
3 Volts
30 Volts
Which of the following statements is true with respect to the Great Lakes area?
Cargo sweepings can be discharged anywhere
Cargo sweepings cannot be discharged in sensitive and/or protected areas
Cargo sweepings cannot be discharged within 5 nautical miles of any coastline
The discharge of cargo sweepings is prohibited
An inspection in the amidships area of the weather deck of a Panamax container vessel has revealed cracks in the hatch coamings. Which part of the vessel should now urgently be inspected.
Transverse bulkhead beneath the bridge front.
Longitudinals in the double bottom tanks in the amidships half length of the vessel.
Transverse bulkhead immediately aft of the engine room.
Stiffening in the forepeak tank at approximately water line level.
On the diagram, which letter indicates what is meant by the word "DRAUGHT" of the ship?
Draught is indicated by B, in the figure
Draught is indicated by A, in the figure
Draught is indicated by C, in the figure
Draught is indicated by D, in the figure
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
When testing boiler water, should the sample be:
As hot as possible.
At lowest possible temperature.
At room temperature.
It makes no difference.
From where on board can you find out the different types of protection equipment regarding where placed, how much, how many etc.?
In cargo control room.
The ship’s safety plan
Stated in your cabin.
In the deck log book
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
On the figure 4 possible definitions of the term "UNDER KEEL CLEARANCE" are given. Which one is the correct one?
Under keel clearance is given by D on the figure
Under keel clearance is given by A on the figure
Under keel clearance is given by C on the figure
Under keel clearance is given by B on the figure
Witch statement about fire doors is true?
Should be kept closed at all time.
Should be kept open at all time.
When closed during an emergency, passengers may get hit and injured.
Fire doors have no specific function.
In the diagram, which letter is indicating the position "MIDSHIPS"?
Midships is indicated by B, in the figure
Midships is indicated by D, in the figure
Midships is indicated by A, in the figure
Midships is indicated by C, in the figure
How are the surfaces of ro-ro vehicle decks and ramps treated?
With non-slip tapes
With non-skid paints
With anti-fouling paints
With rubber-based paints
Hydrocarbons belongs to a chemical group named:?
Alkanes
Organic substances.
Carbohydrates.
Alkenes
A high speed diesel engine has been subject to a major overspeed incident due to governor failure. During checks for damage it is found that some of the bottom end bolts have slackened off slightly. There appears to be no other damage to any of the bearings, the running gear or to the crankshaft. From the options given select the action to be taken before bringing the engine back into service.
Renew all of the bottom end bolts.
Retighten the bottom end bolts that were slack back to the recommended torque.
Renew all of the running gear for the engine including the crankshaft and bearings.
Renew all of the bottom end bolts that were found slack.
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 is the most common way of handling the LNG boil off gas?
The boil off is let to the atmosphere.
It used as fuel for the main engine.
It used as fuel for the boiler.
It is liquefied and directed back to the cargo tank.
What do we mean to gas free a cargo tank?
To gas free a cargo tank means that we remove flammable-, neutral- or toxic atmosphere from the cargo tank
That means that we are discharging the cargo tank
To gas free a cargo tank means that we remove gas from the cargo tank
To gas free a cargo tank means that we are pumping liquid into the tank
On a Container vessel, where should containers containing infectious substances be stowed?
In a position separated by a complete compartment or hold from living quarters
On deck away from the accommodation
Under deck
On deck abaft the accommodation
Fast rescue boats construction should be:
Inflated
Rigid
Stainless steel
Rigid, inflated or rigid / inflated
At what interval does the IMO adopt an amendment to the IMDG Code?
Every five years
Every year
Every two years
Every six months
What will you do if you are helmsman and the OOW (officer on watch) gives you the order: “Port 20” and after a while the order: "Ease to 10"?
Turn the wheel until the rate of swing of the ship is 20 degrees per minute and then after the second order, reduce the wheel to make it swing at only 10 degrees per minute
Change the compass course to a new heading which is 20 degrees to port of original heading and then after the second command reduce it to only 10 degrees to port of original heading
Apply the wheel to alter the course 20 degrees to port and then after the second command change the heading a further 10 degrees
Apply 20 degrees of rudder towards port and then after the second command reduce the wheel to 10 degrees.
On a General Cargo ship all wire strops used for cargo work must be marked with what?
The diameter of the strop in millimetres (mm)
The SWL and certificate number
The name of the manufacturer
The stevedoring company
With regard to portable fire-fighting equipment on ro-ro decks, what must be ensured upon completion of cargo loading operations?
The equipment must be lashed so as to prevent accidental movement
All items of equipment must be in the designated position
Water applicator nozzles must be moved away from vehicles’ exhausts
Fire extinguishers must be moved away from vehicles’ exhausts
On an enclosed car deck, may the drivers stay in their vehicles during the voyage?
It is up to the captain to decide
Yes, of course
No, it is not allowed
It depends on what type of vehicle they have
At which level will the slop-system high level alarm sound ?
96%
90%
98 %
97%
The most common valves used on an oil tanker are:
Butterfly valves and stripping valves.
Globe valves, suction valves and draining valves.
Ball valves and discharging valves.
Gate valves, globe valves and butterfly valves.
What is the name of the line which is used to strip the last amounts of cargo ashore?
Displacement line.
Small diameter line.
Cargo deposits stripping line.
Stand by line
When commence discharging with a centrifugal pump, which valve is the last to be opened?
No particular order.
The tank’s suction valve.
The manifold valve.
The pump’s delivery valve (discharging valve).
Before any portable gas indicators are brought to the measuring spot, what is very important to do with these analysers first?
To do a full calibration.
Zero adjust them.
Just check the filters.
Just renew the batteries.
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.