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Tests en ligne : Test online CES 5.1 for 3rd-Eng/4rd-Eng
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Le test consiste en des questions aléatoires sur un sujet sélectionné.
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How many hand held distress flares are carried in each liferaft with SOLAS B pack?
3
2
Nil
4
A lifejacket or immersion suit light has a luminous intensity of, and is capable of working at minimum for a period of:
2 candelas (about 1,7 mile range at normal meteorological sight), 8 hours
2 candelas (about 1,7 mile range at normal meteorological sight), 4 hours
0,75 candelas (about 0,6 mile range at normal meteorological sight), 8 hours
0,75 candelas (about 0,6 mile range at normal meteorological sight), 4 hours
The outside manually controlled lamp of a liferaft must be capable of working at minimum for a period of:
4 h
24 h
12 h
8 h
On a dark night with a clear atmosphere, the outside manually controlled lamp of a liferaft is visible at minimum at a distance of:
2 miles
8 miles
4 miles
0,5 mile
Hand flares and buoyant smoke signals can continue to burn or emit smoke after having been immersed for a period of 10s
Right
Wrong
Right if the immersion depth is smaller than 100mm
Right if the immersion depth is smaller than 1m
In a liquid fire the surface of which is about 100m?,
the radiated heat can spread to exposures placed 200m away
the radiated heat is lower than the conducted heat
the radiated heat can spread to exposures placed 100m away
Flames are usually higher than the diameter of the fire
*In addition to cargo and machinery spaces, which other space, if any, has to be fitted with an approved fixed fire-extinguishing system on a cargo ship where method of protection "I C" has been adopted ?
Rope store
Emergency batteries store room
Paint store
No fixed extinguishing systems are generally required for any other spaces protected according to this method
Which of the following measures should rather be considered as a prevention measure than as a protection measure?
Availability of an extinction equipment
Detection of fire in the area where it has started
Provision of an extinguisher in a compartment
Restriction in the usage of combustible materials
By running a centrifugal pump what will happen if the NPSHA (Net positive suction head available) is less than NPSHR (Net positive suction head required) ?
The pump will not draw liquid.
The pump will overheat.
The pump will suffer damage
The pump needs to run faster.
Which of the following may cause a fire in the accommodation spaces?
Smoking in bed
All the mentioned alternatives
Overloading electric plugs
Covering electric heaters with blankets
What is the minimum number of independently driven fire pumps that must be provided on cargo ships of 1000 GRT and above?
1
3
2
4
What is the best place to store the international shore connection?
At a place easily accessible from the shore
In the engine room
In the wheelhouse
Together with the cargo hoses
*What quantity of service fuel must be available for a diesel driven emergency pump before it is necessary to use any reserve fuel?
To allow at least 12 hours of operation
To allow at least 6 hour of operation
To allow at least 3 hours of operation
To allow at least half an hour of operation
What types of fire extinguishers shall be used in the engine room?
Fire extinguishers filled with fresh water only.
Any fire extinguisher with a weight of less than 100 lbs.
Fire extinguishers equipped for powder or CO2 only.
Fire extinguishers of the handy-size types only.
What rules and regulations are regulating the watch keeping routines in the engine room?
International Standard for Training and Watch keeping (STCW)
SOLAS
Both STCW and Class rules
Class Rules
What does the abbreviation SOLAS mean?
International Convention for the Safety of Lives at Sea
International Conference for Security of Loads aboard Ships
International Rules for Safe Ocean Lines and Sailingroutes
International Agreement for Security of Load and Ships
For what period of time is the protection and environment committee elected?
5 - 6 years.
3 - 4 years.
1- 2 years.
8 years.
In US waters "Oil Pollution Act of 1990" was activated in August 1993. What is the main issue for the introduction of the act?
To prevent oil spills in US waters?
To enforce owners to use equipment of higher standards that those of today?
To encourage owners to build double hull vessels for trading US waters?
To improve safety measures onboard?
Shock is a manifestation of changes in which the circulation fails because either pressure or volume of circulating blood has fallen to a dangerous level. What is the skin colour of a patient in shock?
Dark blue.
Light blue.
Pale or grey.
Green or purple.
MARPOL 73/78 - Annex V. Disposal of garbage. Your vessel is in the Red Sea (Special Area) and the Chief Cook is requesting to have some food waste burned in the incinerator. Due to problems with incinerator, you decide to have the waste ground in the Grinder (Lump size max. 25 mm) and disposed off into the sea. Is this prohibited, if not, how far from nearest land is this legal?
This is prohibited
25 miles
12 miles
3 miles
Give the meaning of the following symbol
Fire pump
Fire control plan
Gas detector
Emergency fire pump
How much time can be saved by use of weather routing?
2%
Impossible to say
4%
6%
According to SOLAS, every persons assigned to crew the rescue boat or assigned to the marine evacuation system party shall be provided with:
a thermal protective aid and a lifejacket
an anti-exposure suit
an immersion suit or an anti-exposure suit
an immersion suit
Which among the following list is particularly required for a totally enclosed lifeboat ?
handrails inside for persons moving to their seats
safety belts to be designed to hold a person of 100 kg securely in place with the lifeboat in a capsized position
windows on both sides can be closed watertight and opened for ventilation
self-bailing arrangements
Which item among those below is included in the normal equipment of every lifeboat ?
one copy of the prescribed life-saving signals
one immersion suit for each person
sea-charts and navigating equipment
a VHF transceiverb
Which one of the listed requirements regarding "week links" for float free arrangements for liferafts do not correspond to present regulations? Week links shall:
release the liferaft at a depth of not more than 4 metros
break under a strain of approximate 2.2 kN
be of sufficient strength to permit inflation of the liferaft
not break by force required to pull the painter from the lifeboat container
Give the meaning of the following symbol
EPIRB
Radar transponder
Survival craft distress pyrotechnic signals
Rocket parachute flares
*At least how often shall rescue boats be launched with their assigned crew and manoeuvred in the water?
Every two weeks
Every week
Every three months
Every six months
*At least, how often shall life boats be launched with their assigned operating crew aboard and manoeuvred in the water?
Every week
Every three months
Every month
Every two weeks
If the Radar scanners of one vessel are in the same horizontal plane as the cargo deck of the other during transfer operations, which type of radar emissions would pose a greater danger of the induced ignition of flammable vapours?
a 10 cm radar.
Neither a 10 or a 3 cm radar.
Both a 10 and a 3 cm radar.
a 3 cm radar.
High Voltage (HV) cables are smaller than low voltage cables for a given power rating. Why is this?
The HV cable uses Aluminium conductors and therefore requires them to be a smaller cross-sectional area.
The HV cable carries a smaller current and therefore requires less copper.
The HV cable uses higher quality copper conductors and therefore requires them to be a smaller cross-sectional area.
The HV cable has a thinner wall of special insulation material.
What is understood by the term "take the helm"?
Change the place where the lookout is standing.
Take over heaving of a rope.
Take over the steering of the ship.
Take a message to another officer.
The typical current gain of a common emitter transistor is
10-200
500-5000
1-1000
1-10
What standing orders must be issued to engineers with regard to fuel oil tanks located below vehicle decks?
Never to heat fuel oil to more than 50?C
Never to heat fuel oil to more than 45?C
Never to heat fuel oil to more than 55?C
Never to heat fuel oil to more than what is specified for the vessel
Checking the lubricating oil sump level of the generators is one of the engine watch ratings regular duties on a particular vessel. During the check it is noticed that the oil level is unexpectedly below the minimum mark on the dip stick. What action should be taken?
The rating should fill the sump to above the operating level in case there is a leak and the oil level drops too low before the next check.
The rating should stop the generator immediately.
The rating should just fill the sump back to the normal operating level.
The rating should fill the sump to normal operating level and immediately inform the engineer on watch.
What are the duties of an effective bridge look out?
Ensure there is always a bridge lookout on duty and only leave the lookout when given permission.
Keep a lookout for other ships; navigation lights and any other dangers which may have no lights
All of the alternatives specified
Keeping a constant observation around the ship.
Where on board ozone depleting substances are found?
In sewage systems
In compressed air systems
In electronic equipment
In refrigerated systems
What is known as "cargo sweat" on a Bulk Carrier?
Condensation of moisture directly onto the ships structure
Condensation of moisture directly onto the cargo
Condensation of moisture onto the ships structure and cargo
Heating of cargo
On the diagram provided, there are four (4) possible directions indicating the term "AHEAD". Which one is the correct?
Ahead is given by A on the figure
Ahead is given by D on the figure
Ahead is given by B on the figure
Ahead is given by C on the figure
Which ships shall apply to the amended version of the IGC Code?
Ships constructed on or after 30th June 1986.
Ships constructed on or after 15th July 1998.
Ships constructed on or after 5th June 1996.
Ships constructed on or after 1st July 1994.
If all indications are that a cargo has been received without damages, irregularities or short shipment and the phrase "apparent good order and condition" are entered on the Bill of Lading, what type of Bill is this said to be?
A clean Billl of Lading.
An endorsed Bill of Lading.
A Due Title Bill of Lading.
A Bill of Lading completed for shipment.
How would you determine whether a particular cargo transfer hose was compatible with the chemical product to be transferred?
Refer to the product entry in the hose manufacturer's chemical resistance chart.
Check the product classification mark stamped on the flange collar of the hose.
Check the colour of the hose against the general classification code in the IBC Code.
There will be no need to check. If the hose has been supplied to a chemical tanker, it will have been certified for the transfer of all chemical products.
What should you do if you are in the engine room and the alarm for "CO2 release into the engine room" sounds?
Leave the engine room immediately.
Start the fire pump.
Wait to make sure that the CO2-system is discharging into the engine room before leaving.
Immediately go for the nearest fire extinguisher.
Why is an inhibitor added into, for instance, butadiene?
To prevent the cargo producing heat.
To remove the oxygen and by that avoid a chemical reaction.
To minimise the tank pressure.
On the charter’s recommendation.
What would be the most probable cause of light, smoky exhaust from a diesel engine?
The engine is overloaded.
Air in the fuel oil system.
Fouling of the charge air cooler.
Water carry over from charge air cooler to engine cylinders.
During loading operations on conventional reefer vessels steel sheets are sometimes placed in the hatch square to avoid damage to the gratings in the square. Select, from the options given, the likely consequence of leaving the steel plates in the hatch square.
Steel has a different heat capacity to the cargo and may cause unexpected results from cooling the cargo during passage.
The stevedores will claim against the vessel for removing the steel plates.
The steel plates may overload the gratings if they are left in place with cargo on top.
The steel plates may block the flow of refrigerated air through the cargo.
Which part of the crankshaft of a modern large two stroke diesel engine is most likely to be the origin point for crack initiation during service and therefore needs the greatest attention during maintenance inspection?
The oil holes.
The keyways.
The fillet radii.
The dowel pins and dowel holes
Indicate the correct name for the part marked on the sketch:
Crankshaft
Turbocharger
Air cooler
Cylinder head
Why are duplex filters usually employed in the lubricating oil system of an auxiliary diesel engine?
Changing of the filter element can be carried out without interrupting engine operation.
The pressure drop is half that of a single filter unit.
Filter blockage will not occur.
It gives better filtration of the oil.
It is important to know about alternative escape routes because?
You should never use normal exits in an emergency.
It is always the fastest way out.
You should always use alternative escape routes in an emergency.
Normal escape routes may be unavailable.
Where should a Ro-Ro unit that requires protection from heat and large temperature variations be stowed?
On deck away from the accommodation
Anywhere under-deck
Anywhere along the side of the main deck
Under-deck away from bulkheads, fuel tanks, heating coils and uninsulated machinery
What type of discharge pumps are normally in use on gas carriers
It is screw pumps that is normally used on gas carriers
It is centrifugal pumps that is normally used on gas carriers
It is piston pumps that is normally used on gas carriers
It is submerged pumps that is normally used on gas carriers
A cargo of steel swarf and borings (waste steel material from industrial processes) carried on a Bulk Carrier, is particularly liable to what?
Cargo sweat and reduced c carbon dioxide levels
A rise in methane gas levels
Production of carbon monoxide and oxygen
Oxygen depletion in the cargo space and self-heating of the cargo
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?
Fouling of turbocharger intake filters.
Water in a cylinder.
Injection valve opening pressure is too low.
Governor linkage broken.
Prior to its partial removal in a water scrubber, what is the approximate Sulphur Dioxide content of flue gas produced by the combustion of fuel oil?
250 ppm.
12,000 ppm.
1,000 ppm.
2,000 ppm.
On a Bulk Carrier, which of these cargoes is susceptible to liquefaction due to compression and/or vibration?
Urea
Iron ore concentrates
Maize
Wheat
When would the Chief Officer wish to consult the First Engineer?
The Chief Officer would wish to consult the First Engineer whenever a hydraulic tank need to be filled.
The Chief Officer would wish to consult the First Engineer on all matters related to pollution.
The Chief Officer would wish to consult the First Engineer when the cargo hold bilges are not emptying, despite the bilges being pumped out.
The Chief Officer would wish to consult the First Engineer when items of engine room machinery require maintenance.
What is very important to do when starting to crude oil wash?
No special precautions.
To fill up the lines slowly.
To build up pressure first.
Stop discharging and then start the whole operation slowly.
When using a PID controller, which of the following parameter settings will not result in oscillation?
Temperature change
Too long D-time
Too high amplification
Too long I-time
If a public announcement is made during an emergency you should?
Just ignore it and continue working.
Listen carefully and consider if this information is of any value for you personally.
Tell everyone to listen.
Listen carefully and pass on information to passenger who may not have heard it or understood it.
A bulk cargo has a stowage factor (S.F) of 1.50 cubic metres per metric tonne (m3/mt). If 1000 tonnes are to be loaded what volume will this cargo occupy?
1500 cubic metres ( m3)
1000 cubic metres
15000 cubic metres (m3)
3000 tonnes
Oil analysis results show a high level of tin. What could be the cause of this?
Water contamination.
Fuel contamination.
Bearing damage.
Too high lub.oil temperature.
What kind of safety equipment should be used when operating a grinding wheel?
Goggles and shield.
Shield.
Welding mask.
Goggles.
Which statement about stress is correct?
Stress interferes with an individual's ability to respond to a threat.
An example of stress is a shipboard fire.
Individuals in a shipboard emergency experience different levels of stress.
Stress is an unusual reaction to a threatening situation.
What is the correct way to obtain a reduced capacity with a centrifugal pump?
Throttling of delivery valve
Throttling of suction valve
Adjust the relief valve
Open the priming line
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.
A bulk cargo of steel coils is loaded and a number of the coils are noted by the Chief Officer to be rusted; what must the Master ensure?
Steel coils to be discharged
Clause the Bill of Lading with the reference numbers of the rusty coils and so make the Bill of Lading a "dirty" Bill.
No action needs to be taken.
Cargo temperatures measured on voyage
When loaded to what depth can bulk carriers constructed after 1 July 1999 withstand flooding of any one cargo hold?
The Tropical loadline
The Winter North Atlantic loadline
The Winter loadline
The Summer loadline
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
High level and high-high level alarms must be tested at the tank for proper operation within 24 hours of the start of cargo transfer. What acceptable alternative is there to this requirement?
There is no alternative to this requirement. The test must be conducted at the tank location and the audible and visual alrams sighted. The results must be logged accordingly.
That a programme of maintenance, including selective function tests, exists within the vessel's Planned maintenance System, provided all such level alarms are tested at least once within a period of three months.
That a function test is carried out on completion of cleaning operations following discharge.
That a function test is carried out by means of an automatic self-test and circuit monitoring facility within the alarm system.
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.
How does the maximum oil film pressure in a white metal journal bearing operating under full fluid film conditions compare with the pressure of the lubricating oil supply system?
The pressure is greater than the pressure in the lubricating system and varies with the journal load.
The pressure is the same as the pressure in the lubricating system regardless of the journal load.
The pressure is less than the pressure in the lubricating system and varies with the journal load.
The pressure is greater than the pressure in the lubrication and is constant regardless of the journal load..
A conventional reefer vessel, on passage to the loading port, should pre-cool the cargo spaces intended for shipment of the refrigerated products. Select from the options given, the one which best completes the following statement. "In general, pre-cooling should commence….
…six hours before arrival at the loading port."
…at anytime prior to arrival as long as the delivery air is at the required carriage temperature."
…on arrival at the loading port to demonstrate that the fans can deliver refrigerated cold air to the cargo spaces."
…about 48 hours before arrival with the temperatures in the cargo spaces stable for the last 24 hours."
From the options given, select the one which best completes the following statement. "A seaman who is required to work in a hatch containing perishable goods should wear gloves that are…
…canvas."
…leather palmed."
…clean."
…insulated."
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
You are on a power-driven vessel underway in open water. This vessel is sighted wide on the port bow. It's bearing is opening, but its distance is closing rapidly. Which of the following is a correct assessment of the situation and the action to be taken?
Risk of collision is deemed not to to exist. However, to be sure of a safe passing distance, I will reduce my speed to allow the other vessel to pass ahead.
Risk of collision is deemed not to exist and I will maintain my course and speed. I will continue to monitor the situation.
Risk of collision is deemed to exist and I will make a broad alteration of course to starboard, sounding one short blast. I will re-assess the situation when the alteration is carried out.
Risk of collision is a possibility. I will maintain my course and speed for now, but be prepared for an alteration of course to port if the CPA seems to be less than 0.2nm as we draw closer.
Vibration analysis is often used as a conditioning monitoring tool onboard ship as part of the approved planned maintenance system. Many vibration measuring instruments are fitted with a harmonic filter/analyser. How would these filters normally be used during vibration measurement on a centrifugal pump?
To block out any noise or vibration from the surrounding engine room.
To isolate a single frequency of vibration associated with one of the pumps components.
To sum up all the harmonics of a base frequency to give total vibration for all of the pump's components simultaneously.
To generate an audible sound signal at the same frequency and amplitude as the vibration.
Which controller must be tuned first in a cascade control system?
The secondary controller
Both at the same time
Any one of them
The primary controller
How will you find the Tipping Moment of a cargo item?
Transverse accelerations/10 x weight of cargo item x height of its centre of gravity above its base
Transverse accelerations/10 x weight of cargo item x height of its centre of gravity above the keel
Transverse accelerations/7 x weight of cargo item x height of its centre of gravity above its base
Transverse accelerations/7 x vessel's natural roll period
What advantages does the radar have over the eye?
Subject to night adaptation
Simplifies the overview
Poor at assessing distance
Degradation through glare
Where would you look for information on the ratings applied to a vessel's fire ratings on her bulkheads, based on SOLAS requirements?
The Cargo Ship Safety Equipment Certificate.
The Cargo Ship Safety Construction Certificate.
The MODU Safety Certificate.
The Safety Management Certificate.
Under what circumstances may a watch-keeping engineer undertake other duties?
A watch-keeping engineer may undertake other duties when the ship is at sea and the weather calm
A watch-keeping engineer may undertake other duties when the main propulsion controls are in manual operating mode
A watch-keeping engineer may undertake other duties when the main propulsion system requires constant supervision
A watch-keeping engineer may undertake other duties when he has been properly relieved of his watch-keeping duties
On modern chemical tankers, nitrogen is often used to achieve a super-dry atmosphere within a cargo tank prior to loading. Sometimes however, equipment delivering a special air supply is fitted and available for this same purpose. What does this equipment do?
It injects nitrogen into the air.
It supplies super-cooled air.
It filters carbon-dioxide out of the air.
It supplies de-humidified air.
What is the name of UN maritime division?
The UN maritime division is UNM (United Nations Maritime)
UN does not have any maritime division.
The UN maritime division is IMO (International Maritime Organisations)
The UN maritime division ISO (International Shipping Organisation)
How does low expansion foam act as an extinguishing agent when dealing with oil fires?
By cooling only
The heat from the fire causes the foam to produce an inert gas which gradually extinguishes the fire.
By smothering and also providing some cooling
By smothering only
The bowl in a fuel oil separator opens unintentionally during operation. What is the reason to this?
Bowl speed too low.
Any of the others.
Strainer in operating water low-pressure side is clogged.
Extreme fuel oil characteristics.
During standstill liquid may condense in the crankcase or oil separator. Why is it important to heat up the oil before start?
The compressor will run better.
Compressor oil regulating system will operate better.
It should never be done.
To avoid the compressor-oil to disappear from the crankcase during starting.
The cooling water temperature out of the engine becomes too high. Everything else is normal. What is the reason for this?
Too high temperature in the charging air.
Overload of the engine.
Air in the cooling water system.
Any of the others.
What phenomenon is used for liquid cleaning by centrifugal separators
Sedimentation
Stokes Law
Gravity
Centrifugal force
The purpose of the wear ring for the illustrated pump is to -
Support the end of the impeller.
Provide a replaceable wear surface for the pump housing/impeller.
Absorb all impeller thrust.
Provide a replaceable wear surface for the shaft.
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.