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Tests en ligne : Test online CES 5.1 for Ch-Eng / 2nd-Eng
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How should the painter of a liferaft which is fitted with a hydrostatic release, be secured to the ship?
Secured via a weak link to a secure part of a ship
Secured to the part of the hydrostatic release that is designed to break free
It should not be secured in any way
Directly to a secured point on the ship
*Which of the following instructions will generally be given by a port authority to allow welding or hot work in a cargo tank of a tanker ?
Before the tank is entered, lifeline, rescue harness and compressed air apparatus shall be ready at the relevant hatch
All answers are good
All results of gas measures and examinations shall be entered in the ship's deck log
Non-adjacent, partly filled slop tanks shall be emptied prior to the working period
*Class "C" bulkheads are bulkheads constructed of approved non-combustible materials:
that can withstand the standard fire test for 45 minutes
that can withstand the standard fire test for 30 minutes
that need not meet any of the requirements relative to smoke and flame nor limitations relative to temperature rise
that can withstand the standard fire test for 15 minutes
If you detect a fire on board the ship, dependent on the situation, which of the following actions is the first to be taken?
Call the officer on duty.
Check all nearby compartments for survivors.
Try to kill the fire immediately by use of fire-extinguishers or other adequate appliances.
Raise the fire alarm.
Which one of the listed fire-extinguishing medium is most effective against an open oil fire?
Water.
Powder.
Foam.
Gas.
In the radio telex-traffic the landline-connection with a subscriber ashore will be broken with the following command:
msg+
NNNN
kkkk
brk+
What data is at least requested in a DSC “distress alert” ?
the identification of the vessel in distress and her position
Don't know
the identification of the vessel in distress and the number of people on board
the identification of the vessel in distress, her position and the nature of distress
Are there any exceptions from OPA-90
No exceptions
Yes, transit passage through US waters to a non US port
Yes, if the vessel calls a US port for only a short stop
Yes, close to any US naval base
Unconscious casualties who are breathing and whose hearts are beating should be placed in the Recovery Position. Why is this position so important?
The position ensures that an open airway is maintained.
Because it keeps the heart beating.
The recovery position makes it easy to maintain any kind of bleeding.
The position prevents the patient from falling asleep.
Which position is the best to stop bleeding from the nose?
Sitting on a chair, leaning forward, with two fingers pressing the nose together.
Laying on the back, holding a wet, cold towel on the top of the nose.
Holding the nose above steamed water.
Laying on the back, leaning the head as much back as possible.
Which of the connections you are shown, are the dedicated shore connection (MARPOL-connection) for discharging of sewage ?
1
2
4
3
Give the meaning of the following symbol
Fire alarm panel
Fire pump
Sprinkler section valve
Area protected by sprinkler
Two lines sent out and pretensioned equally have the same length, same breaking strength and same directional load. However, one is made of wire (which has a full load elastic elongation of about 1.5 % of its length) and the other made of nylon (which has a full load elongation of about 30 % of its length). If a sudden gust of wind increases the load on the lines, this increased load will be shared as follows:
Wire takes 55 % of the extra load. Rope takes 45 % of the extra load
By the wire and rope equally
Wire takes 45 % of the extra load. Rope takes 55 % of the extra load
Wire takes 95 % of the extra load. Rope takes 5 % of the extra load
Give the meaning of this symbol:
lifebuoy with line
lifebuoy
lifebuoy with light and smoke
lifebuoy with light
An immersion suit is:
not allowing undue ingress of water after a jump from a height of not less than 4,5 m into the water
totally waterproof whatever may be the condition of immersion
not allowing undue ingress of water after a jump from a height of not less than 18 m into the water
not allowing undue ingress of water after a jump from a height of not less than 8,5 m into the water
In a distress situation, how many times or for how long should the emergency alarm signal be sounded?
3 times
3 minutes
Until all crew members and passengers have reported to their respective muster stations
Until the signal "risk is over" or the order "abandon ship" is given
The thermal insulation provided to the wearer of an immersion suit made of material with inherent insulation is sufficient to ensure that the wearer's body core temperature does not fall more than:
6°C after a period of 2 h immersion in calm water at a temperature of between 0°C and 2°C
2°C after a period of 6 h immersion in calm water at a temperature of between 0°C and 2°C
1°C after a period of 6 h immersion in calm water at a temperature of between 0°C and 2°C
1°C after a period of 1 h immersion in calm water at a temperature of between 0°C and 2°C
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 following items shall be included in an abandon ship drill?
Checking the distress signal rockets and other distress signals
Checking the lifeboat provisions and supplies
Checking that lifejackets are correctly donned
Checking that passenger's immersion suits are correctly donned
Which of the following detailed explanations should be mentioned in the Training Manual ?
How to muster at the assigned stations
The use of surface to air visual signals to be used by survivors
The use of navigational equipment for survival crafts
The use of escape routes and other escape methods
What kind of permits have to be obtained before starting cold work in tanks?
Cold work permit.
Hot + Cold work permit
Hot work permit.
Cold work permit + Permit for entry .
What is the purpose of the purge gas condenser fitted to some liquefied gas carrier reliquefaction plants?
It is used to condense all of the cargo vapours that have been used in purging a cargo tank.
It is used to generate the cargo vapours required for purging the cargo tanks.
It is used to condense out any nitrogen or inert gas that has collected in the main condenser.
It is used to condense out any cargo vapours which have passed through the main condenser with incondensable gases.
Cross-flooding fittings shall be operable from:
The engine room
The section where the unsymmetrical flooding occurs
Above the bulkhead deck
The bridge
Why is it necessary to have an effective ballast water management plan which includes provision for changing out ballast in open water rather than discharging ballast in coastal waters?
To allow ballast tank inspections to be carried out during ballast passage.
To keep the ballast water fresh in the ballast tanks during long voyages.
To avoid the introduction of non-indigenous species of marine life from one area to another.
To ensure that ballast tanks are always pressed up during a ballast voyage to avoid free surface effects.
Having water vapour in an LNG carriers cargo tanks prior to loading cargo is unacceptable due to ice formation at low carriage temperatures. How can water vapour in the tank atmosphere be removed prior to the cooling down and loading operation?
By displacing the tank atmosphere with warm inert gas direct from a combustion type inert gas generator.
By displacing the tank atmosphere with heated air.
By displacing the tank atmosphere with pre-dried inert gas.
By displacing the tank atmosphere with fresh air.
Where is the acceptable location to smoke while on duty, or working in a cargo deck stowed with containers?
The designated smoking area inside the accommodation or on deck?
Smoke close to an entrance to the cargo deck?
Carefully smoke outside the container stowage area?
There is no smoking allowed while on duty?
Ship's generators must be synchronised before they can be connected to the same supply network. Prior to synchronising, the generator voltage and frequency are respectively adjusted by:
Voltmeter and frequency meter
Synchroscope and speed governor
Speed governor and load power factor controller
AVR and speed governor
The station bill contains the details of the emergency signals and:
each crewmember's emergency and regular duties
each crewmember's duties in an emergency
only the officers' duties in an emergency
crew and passenger duties in an emergency
Which type of reliquefaction plant can have the cooling coil placed directly in the vapour space of the cargo tank?
The single-stage direct cycle reliquefaction plant.
The two-stage direct cycle reliquefaction plant.
One type of the indirect cycle reliquefaction plants.
The cascade direct cycle reliquefaction plant.
This is a typical emitter follower. What is the main benefit obtained by use of an emitter follower?
The collector can be connected to as high voltage as 10 V DC
The V out is always equivalent to the V in
The input impedance is made much larger than the output impedance
The input impedance is made much smaller than the output impedance
Is smoking permitted in the galley? (Select the most correct answer)
No.
Yes, but only once food service is completed.
If the vessel is in port, it is prohibited; if the vessel is at sea, then it is permitted.
Yes, because it is not considered a public area.
On a Container vessel, what facilitates the lashing of containers in the fourth and fifth tiers?
Long lashing rods with extensions
The lashing bridge
Long lashing rods
Raised deck platforms
What is the minimum furnace temperature that must be reached during start up before waste material can be introduced into an incinerator?
1500 C
850 C
2500 C
2000 C
There are certain cargoes which are extremely sensitive to moisture in the atmosphere. How are they commonly protected when shipped on chemical tankers?
By heating the cargo above the temperature of the outside air.
By filling the tank with inert gas before loading.
By continuously ventilating the ullage space above the cargo in the tank.
By the application of a nitrogen blanket (pad) above the cargo in the tank.
Which statement is true about loading lifeboats?
Passengers with physical disabilities should go on life rafts.
Passengers with physical disabilities should go on lifeboats.
Only passengers with physical disabilities should go on lifeboats.
Passengers with physical disabilities are loaded from a floating platform.
Which of the following options would be a typical pressure setting for a main engine slow down in the event of jacket cooling water system low pressure?
0.2 to 0.5 bar
1to 2 bar.
10 Bar
5 Bar
A refrigerated container is loaded on deck. On inspection it is noted that the door seals are damaged. Select, from the options given, the main reason why it is unacceptable to have a refrigerated container in such a condition.
If the door seal is damaged the cargo packaging may become watermarked.
If the door seal is damaged the cargo may spoil due to ingress of warm air.
The refrigeration unit will run for more time than is normal.
The refrigeration unit will ice up to a greater extent than normal.
On a RoRo vessel, why should there be no more than two lashings secured to any one point on a ro-ro unit?
Because the vehicle securing point is likely to break in heavy weather
Because the vehicle itself is likely to tip over during heavy weather
Because the securing forces will not be evenly distributed
When will the Hague-Visby rules apply on a General Cargo vessel?
When animals are carried
When cargoes are carried on deck
When cargo is carried under a bill of lading
When a vessel operates under a charter party
During a visual inspection of a cargo of bananas a crewman notices that the fruit in one of the cartons is yellow. Select, from the options given, the best action to take in these circumstances.
Put the carton with any other similar cartons together in the cargo space.
Remove the carton from the cargo space if possible.
Move the carton to the battery room/cooler room.
It is not necessary to take any action as this is only one carton in amongst thousands of others so it won't make any difference.
The seating surface of a superheater handhole door on a boiler has been damaged due to leakage of superheated steam leaving a cut across the surface. Which repair method, from the options given, would be the most effective?
Machine the surface until the cut has been removed and a new full seating area is formed.
Fit a more pliable gasket to take up the irregularities in the surface.
Build up the cut with weld and re-machine the seat.
Fill the cut with plastic metal and file smooth.
What is the requirement with regard to Familiarisation on board?
During the first tenure, seafarers are responsible for asking at least a 100 questions to the Safety Officer.
Seafarers, on being assigned to any ship, shall be familiarized with their specific duties and with all ship arrangements, installations, equipment, procedures and ship characteristics that are relevant to their routine or emergency duties.
Seafarers on board passenger vessels must as soon as possible learn the names of all persons working in the same department in order to ensure efficient daily operation.
Seafarers shall be familiarized with all life saving appliances and emergency exits in case any emergency situation occurs. It takes normally an hour to complete the Safety Familiarisation. The safety Officer is responsible.
In the context of oil tanker operations, what is "clingage"?
Oil residues remaining in the bottom of a cargo tank after tank-cleaning
The resistance to flow in a pipeline during the discharge of an oil cargo
Electrostatically charged bubbles of air and moisture suspended in an oil cargo after loading
Residues remaining on the inside of a pipeline, or on the internal structure of a cargo tank after an oil cargo has been discharged
What principle of measurement is the viscosity controller usually based upon?
measurement of flow
measurement of temperature
measurement of two different temperatures
Measurement of differential pressure
A 3-phase induction motor is rated at 200 A Full loadline current. Its initial direct- on-line starting current will be approximately:
5000 A
1000 A
200 A
100 A
Why should the coil of an ac solenoid valve not be energised when demounted from the valve body?
The coil will lose it's residual magnetism
The coil will jump around.
The coil will fail due to vibration.
The coil will overheat.
A portable oxygen analyser for use onboard ship is of the paramagnetic sensing element type. It is being used to test the atmosphere of a space onboard ship but starts to give erratic readings. There is no obvious indication as to why this is happening. Select from the options given the most likely cause of this problem.
The battery power is low.
The sampling filter is blocked preventing gas from entering the sampling camber.
Nitrogen gas is present in the atmosphere.
The sampling filter is partially blocked giving rise to wide pressure variations in the sampling chamber.
Which information should be included in your search plan?
Personnel to be involved in the search.
Areas to the searched and personnel to be involved in the search.
Areas to be searched.
Known hiding spots to be searched.
When could there be a demonstration of how to start a lifeboat engine?
There is an instruction card inside the lifeboat showing how to start the engine.
A demonstration could be arranged during a lifeboat drill
A demonstration is not necessary, because there are a limited number of persons who given the responsibility for starting the lifeboat engine
Starting the lifeboat engine is very easy and there does not need to be any demonstration
What is the difference between methane and ethane?
Ethane has two more carbon atoms and two more hydrogen atoms.
Ethane has double bonding between the atoms.
Ethane has two more carbon atoms and one more hydrogen atoms.
Ethane has one more carbon atoms and two more hydrogen atoms.
Three earth lamps indicate - bright - bright - dark. Which of the following is indicated by this condition?
Two phases are good and one has a partial fault to earth
Two phases are good and one has a hard fault to earth
No faults on the system but a failed lamp
Two phases have a partial fault to earth and one is good
What will you do when all the fresh water in the survival craft is finished or about to finish?
Use sea water to keep your body wet
Start collecting rain water
Drink Sea water
Drink only 1 liter of sea water per day
Skin contact with liquid methane can result in severe frostbite. Assuming a crewman's hands have been frostbitten due to exposure to liquid methane, which of the given options would be an appropriate initial first aid action?
Place the victim's hands in his bare armpits
Keep the victim's hands uncovered to allow the fresh air to warm and dry them.
Rub the victim's hands vigorously.
Place the victim's hands on or very close to a hot surface.
Which Convention placed on the shipowner an obligation to exercise due diligence to make a ship seaworthy, requiring him "before and at the beginning of a voyage…to….make the ship seaworthy…and…make the holds...and all other parts of the vessel in which goods are carried, fit and safe for their reception, carriage and preservation"?
The Paris Memorandum.
The Hague-Visby Rules.
The Antwerp Convention.
The Nassau Protocol.
How is damage to the piston rod stuffing box rings avoided when removing and replacing the piston during overhaul of the piston of a large two stroke diesel engine?
A tapered guide sleeve should be fitted over the threaded end of the piston rod.
The piston rod gland should always be removed from the engine before the piston is lifted out to avoid damage to the rings.
The lower part of the piston rod is wrapped in rags.
The piston rod nut is put on during removal and refitting of the piston through the gland.
What English term is given to the "growth" that develops on foodstuffs that have been imptoperly stored over a long period?
Meld.
Mild.
Mealed.
Mould.
What is a good way to get help for people with special needs?
Find helpers to act as buddies.
Find another crewmember to help.
Find an officer to help.
Help each one of them yourself.
When making a small repair to the furnace refractory lining it is common to make a patch using castable plastic refractory material. Which is the best method, from those given in the options, of securing the patch to the main refractory lining?
Drill holes in the main lining and fix some anchor bolts to cast the patch around.
Cut away the damaged area to form an undercut right around the edge and fill with the plastic refractory material.
Pin some wire mesh across the damaged area and cast the patch over it.
Make a smooth hollow in the damaged area and fill with the plastic refractory material.
You are about to commence tank-cleaning after discharging a cargo of Olefins. What should happen with "ball" type valves in the pipeline system during cleaning?
They should be operated (opened and closed) to ensure all surfaces are flushed and drain plugs should be temporarily removed.
They should remain fully open throughout to ensure washing water does not back up against the valve.
The bolts in the flanges either side of such valves should be slackened off to ensure residues are flushed clear of the surfaces of the valve casing.
They should only be opened when it is necessary to discharge washing water.
Check the items that can be a possible threat
All alternatives
"Piracy, Hijacking and Smuggling"
Bombing and Sabotage
Cargo tampering and Stowaways
Which of the following statements concerning an accidental oil spill in US waters is true?
The person in charge must report the spill to the US Coast Guard
A warning broadcast must be made by radiotelephone (VHF)
The Corps of Engineers is responsible for the clean up of the oil spill
The Department of Interior is responsible for the clean up of the oil spill
What would indicate the onset of Parametric Rolling?
When the wave encounter period approaches the natural roll period of the ship
When twice the wave encounter period approaches the natural roll period of the ship
When wave heights experienced from either quarter exceed 6 meters
When wave heights experienced from the bows exceed 6 meters
In terms of electrical units, what is Hz the abbreviation for?
Frequency in Direct Current (DC)
Frequency in Cycles per second
Revolution per minute
Measure for Resistance
The ship is to berth alongside a quay in calm conditions of no wind or current. The ship has a single fixed pitch right handed propeller. Which angle of approach would be considered the most favourable?
No. 3
The decision should be left to the pilot who is in charge of the manoeuvre.
No. 2
No. 1
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.
Due to what could a bulk carrier fail a cargo hold inspection?
Loose rust around the cargo hold
Rusty tank top plating
Hardened rust spots on shell plating
Rust stained hopper tank plating
What is ‘Design Load’?
The total weight of cargo
The total weight of cargo subject to athwartships and longitudinal accelerations
The total weight of cargo subject to vertical accelerations
Loads for which the ship’s decks and hatchcovers are designed
Which of the given options is IMO's definition of liquefied gas as used in its Gas Codes?
Liquid with vapour pressure exceeding 2.8 bar absolute at a temperature of 73.8 C.
Liquid with vapour pressure exceeding 2.8 bar absolute at a temperature of 37.8 C.
Liquid with vapour pressure exceeding 1.8 bar absolute at a temperature of 38.7 C.
Liquid with vapour pressure exceeding 1.8 bar absolute at a temperature of 87.3 C.
When securing a non-standardized portable tank what is a favourable securing angle that will prevent it from transverse sliding?
30 to 35 degrees
10 to 15 degrees
18 to 25 degrees
5 to 10 degrees
With reference to the text in the frame: what is stated as a threat to lives at sea and the marine environment?
There is no immediate threat to the crew or environment
All old or new ships which are badly managed ships.
All ships aged between twenty and thirty years old.
Bad management and poorly maintained older ships.
Very roughly, the gas mixture from Crude Oil can be represented by the pure hydrocarbon gas Propane for analysis and comparison purposes. What then is the approximate Lower Flammable Limit of Crude Oil when measured as a percentage volume in air?
9.5%
0.2%
5%
2.2%
Which of the following could cause a blowback from a steam boiler oil fired furnace?
Trying to ignite burner from hot brickwork
Having the fuel oil temperature too high
Having the fuel oil pressure too high
Opening air registers too quickly
The Company should ensure that the ship's personnel are able to communicate effectively in the execution of their duties related to the Safety Managment System. What does it really mean?
All personnel on board shall be familiar with the Safety Management System. The individual seafarer shall know procedures specifically related to their rank and duties onboard.
Everyone should know the name of the Designated Person in the Company
English language should be the working language on board the ship
The officers and crew should read the entire Safety Management System and memorize the content.
Some spaces and zones on a liquefied gas carrier are classed as gas-dangerous as it is likely that they may contain flammable vapour and do not have venting arrangements to prevent this. What is the designation used for the other spaces and zones on liquefied gas carriers?
Gas-safe.
Vapour-free.
Gas-free
Gas-less
On a RoRo vessel, what must you ensure where the cap of a sounding pipe is flush with a ro-ro deck?
Sufficient vertical clearances between the sounding pipe cap and cargo lashings
Prohibit all cargo stowage around this area
Prohibit the stowage of general cargo around the area
Prohibit the stowage of wheeled cargo around the area
There has been an accident at the manifold and one of the crew has swallowed a quantity of unidentified liquid chemical. What is the correct medical term for this?
Infusion.
Absorption.
Inhalation.
Ingestion.
If a vessel’s Tonnes Per Centimeter immersion (TPC) is 28.80 in saltwater, what would be her TPC is water of density 1.015 T/m3?
29.963
28.52
28.80
29.0837
Which of these can be loaded in the same hold of a General Cargo Vessel, as steel coils?
Hygroscopic cargoes
Chemicals
Fertilizers
Steel rebars
During a walk around of a stow of refrigerated containers, one of the containers is noted to be quiet and has a red light showing on the control panel. Select, from the options given, the most likely cause of this condition.
The red light indicates that there is power to the container.
The red light indicates that an air change is in progress.
The red light indicates that there is a fault with the container's refrigeration unit.
The red light indicates that there is no power to the container.
On a container vessel why is it important not to exceed stack allowable weights?
The lashings can be overloaded
The GM can become excessive leading to high roll accelerations
Torsional effects on the hull
It can cause failure of the corner posts of the containers stowed at the bottom of the stack
Are we allowed to load ammonia on inert gas?
We are not allowed to load ammonia on inert gas except when the inert gas is dry enough
We are not allowed to load ammonia on inert gas
We are allowed to load ammonia on inert gas if the inert gas has dew point less than 0oC
Ammonia can be loaded as long as the cargo tank is liquid free of last cargo
After a bulk cargo is discharged what should be done with CO 2 lines in each cargo hold?
Each line must be washed through with fresh water
Each line should be blanked off
Each line must be blown through with compressed air to ensure that they are clear of cargo?
No maintenance is required
As part of the decommissioning process for old reefer vessels they are sent to a recycling yard where any refrigerant remaining in the refrigeration system is dealt with. Which one of the actions given in the options needs to be carried out in preparation for delivery of a vessel to a recycling yard?
Discharge the gas to atmosphere prior to arrival to minimise handling costs at the recycling yard.
Make a careful note of the quantities of gas onboard and note this in the Ozone Depletion Record Book prior to discharging the gas into recovery bottles.
Make a careful note of the quantities of gas onboard and note this in the Ozone Depleting Record Book before discharging the gas to atmosphere.
Make a careful note of the quantities of gas onboard prior to arrival at the yard and note this in the Ozone Depleting Record Book.
What is the mean of mean draught?
Forward mean draught + after mean draught divided by 2
6 (forward mean draught + after mean draught) divided by 8
Forward mean draught + after mean draught + midship mean draught divided by 2
Forward mean draught + after mean draught + midship mean draught divided by 6
Which of the following cargoes can normally be loaded next to each other in the same space of a General Cargo vessel?
Drums of cement and bagged milk powder
Drums of cement and steel pipes
Pallets of pesticides and bagged grain
Rolls new carpets and drums lubricating oils
Which of the following answers most suitably cover the standard duties of the bridge Officer of the Watch when the ship is at anchorage?
Display the anchor signal, patrol the ship frequently and check the anchor chain for dragging
Display anchor signal, check the ships position and keep a good lookout
Display the anchor signal and ensure the ship swings the same way at each change of tide
Display anchor signals and keep a good lookout of other ships in the area
A 450 volt 3 phase brushless alternator will have the following combination of items mounted on the rotor:
Excitation field winding/main field winding
3 phase excitation winding/rectifier bank/main field winding
3 phase excitation winding/ main field winding
Excitation field winding/rectifier bank/main field winding
Before taking insulation resistance readings of generator windings the automatic voltage regulators should be isolated and all semiconductor short circuited or disconnected in order to:
Prevent charging of capacitive components within the automatic voltage regulator causing false regulation when generator restarts
Protect insulation resistance tester from being damaged
Prevent operation of automatic voltage regulator during insulation testing
Prevent damage to sensitive electronic components from high voltage tester
What will You do if the plate exchanger leaks after cleaning and is back in service. (The measurement A is tightened to minimum measurement.)
Close the valves.
Reduce the pressure.
Tighten more.
Dismantle the exchanger and check or renew the rubber packings.
What do you think would be the most likely cause of high discharge pressure from a freon compressor?
Broken discharge valve plate.
Blocked condenser.
Broken suction valve plate.
Too little gas in the system.
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.