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Maison Tests en ligne CES Dry cargo 2nd-Off / 3rd-Off Test online CES 5.1 for 2nd-Off / 3rd-Off, Dry cargo vessel
Tests en ligne : Test online CES 5.1 for 2nd-Off / 3rd-Off, Dry cargo vessel
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What is a hydrostatic release unit?
A unit for inflating the liferaft
A unit which automatically releases all securing when abandoning the vessel
A unit which automatically releases the liferaft/lifeboat at a depth of approx 4 metres
An important part connected to the sea anchor
Which part of the float-free arrangement for inflatable liferafts is made to free the container of the liferaft from its berth during the ship is sinking?
the lashing strap
the weak link
the hydrostatic release unit
the painter
Which one of the listed requirements regarding lifeboat equipment do not correspond to present regulations? All lifeboat equipment shall:
be made of fire-retardant material
be secured in the lifeboat (except boat-hooks) by lashings, storage in lockers, compartments, brackets or similar arrangement
be as small and of as little mass as possible
be secured in a manner as not to interfere with abandonment procedures
How many hand held distress flares are carried in each liferaft with SOLAS A pack?
4
6
Nil
2
How many rocket parachute flares are carried in each lifeboat?
12
Nil
4
6
Hydrocarbon gas encountered in oil tankers cannot burn in an atmosphere containing less than approximately what percentage of oxygen (by volume)?
15%
11%
17%
13%
The extinguishing agent which can be applied on any fires of class A, B, or C is:
Halon
Sprayed water
CO2
Multipurpose powder
A particular vessel is equipped with the possibility to insert CO2 in the scavenging air belt in case of uncontrolled fire. What are the action to be taken in case of fire in the scavenging air belt?
Continue running the engine on regular speed waiting for the fire to burn out, during continuous monitoring of condition.
Reduce the RPM to reduce the scavenge air temperature. When the temperature is reduced and in case the fire is not extinguished by itself, insert carefully CO2.
Continue running the engine on regular speed inserting CO2 awaiting the fire to burn out.
Reduce the RPM waiting for the fire to burn out, during continuous monitoring of condition.
On a cargo ship, where should we find the hydrants ?
At such locations that no part of the ship normally accessible to the crew while the ship is being navigating is located more than 20 meters away from a hydrant
At such locations that at least two jets not emanating from the same hydrant may reach any part of the ship normally accessible to the crew while the ship is being navigating, each of these jets coming from a single length of hose.
At such locations that no part of the ship normally accessible to the crew while the ship is being navigating is located more than 40 meters away from a hydrant
At such locations that at least two jets not emanating from the same hydrant may reach any part of the ship normally accessible to the crew while the ship is being navigating, one of these jets coming from a single length of hose (the other jet may come from a connection of several lengths of hoses)
What is the gas releasing device allowed for a CO2 fixed fire-extinguishing installation?
A manually operated release system only
An automatic release system activated by the ship's fire alarm
An automatic release system incorporating alarm system for manned compartments
An automatic release system activated by fire detectors
Messages sent via INMARSAT C are charged
on the number of kilobits of information transmitted per block of 1024 bits
on the basis of a three minute minimum charge with one minute incremental steps
on the basis of a six second minimum charge with six second incremental steps
on the number of kilobits of information transmitted per block of 256 bits
When you join a new ship, how are you informed about safety rules, alarm instructions and your own duties in case of an emergency?
By oral instructions by the Captain
By alarm instructions in all crew cabins
By folder distributed to each crewmember
By muster lists exhibited in conspicuous places
Severe pains in the chest occur when the coronary arteries, which supply blood to the heart, become too narrow for sufficient oxygenated blood to reach the muscles of the heart. Normally these attacks only last a few minutes, and the pain stops if the casualty rests. What kind of medicine to be taken when an Angina Pectoris attack occurs?
Petidin.
Chlorocin Phosphate.
Nitro glycerine tablets.
Nitro hydrogen tablets.
You are sailing in shallow water, with 15% Under Keel Clearance. Turning the ship around, what space do you need compared to deep water?
The turning diameter of your ship is the same for all water depths
Need less space than normal
Need more space than normal
To port less, to starboard more space
Your vessel is moving in Panama Canal waters. When must a crew man capable of and ready to operate the anchors be on the forecastle?
When passing through the Gatun Lake
When passing through Gaillard cut
When anchoring in Gatun Lake only
When a Panama Canal pilot is onboard
Give the meaning of the following symbol:
muster station for families only
embarkation station
muster station
muster station for unaccompanied minors (UM)
Which IMO convention takes care of the human safety at sea ?
he SOLAS convention
the MARPOL convention
the STCW 78/95
there isn-t any conventions that take care of the human safety at sea
*Which one among the following information shall be marked on the container of an inflatable liferaft:
the port of registry of the ship to which the liferaft belongs
the name of the ship to which the liferaft belongs
the number of the liferaft
maximum permitted height of stowage above waterline
Which of the following fittings shall be provided to all lifeboats:
permanent boarding arrangements on both sides to enable persons in the water to board the lifeboat
a remotely operated steering arrangement
an electric power starting system for the propulsion engine with one rechargeable energy source
a manually controlled lamp fitted on the inside
*Which among the following list is particularly required for a totally enclosed lifeboat ?
windows on both sides can be closed watertight and opened for ventilation
self-bailing arrangemens
automatic self-righting abilities when every persons are held in their place
handrails inside for persons moving to their seats.
Which item among those below is included in the normal equipment of every liferaft ?
one searchlight which can work continuously for not less than 3 hours
two buoyant paddles
one boat-hook
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
*Give the meaning of the following symbol
Fasten lifejacket belt
Secure buoy line to the ship
Fasten immersion suit belt
Fasten seat belts
What is the meaning of this symbol ?
Survival craft portable radio
Radar transponder
Survival craft pyrotechnic distress signals
EPIRB
An alarm signal consisting of seven short blasts followed by one long blast is sounded by the ship's whistle and the alarm bells. What are you to do?
Go to your lifeboat station (muster station).
Report on the bridge (deck crew) or engine control room (engine crew) for further orders.
Go to your fire station.
Go to (or remain in) your cabin and wait for further orders.
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.
To get the best possible efficiency from refrigerator evaporators, the superheat should be regulated to?
0- 1 Degr. C.
40 - 50 Degr. C.
5 - 10 Degr. C.
25 - 30 Degr. C.
When work must be done on High Voltage equipment, it is vital that the equipment is earthed (grounded) after isolation procedures have been carried out. Why is this?
To provide a reference point, and so ensure accuracy of any test results.
To ensure that the equipment does not overheat due to currents circulating through earth (ground).
To ensure that no energy remains in the system and that it cannot be recharged by external influences.
To ensure that it is dead, even if there was a flaw in the isolation procedure.
You have just completed your cargo watch on deck, during which you have been working around the manifold, connecting and disconnecting hoses, etc. It is meal-time. Should you take any precautions before entering the messroom and why?
I will remove my overalls and work boots and wash my hands, to avoid the risk of introducing chemical contaminants into the accommodation.
No, I am just going in for my lunch and then returning to work on deck, so it would be a waste of time to get changed.
I will wipe my boots and brush down my coveralls before entering the accommodation, to make sure I don't bring any dirt inside.
I will remove my overalls and workboots, because I will get in trouble from the captain if he catches me in work clothes in the messroom.
When measuring the liquid level in the cargo tank of a liquefied gas carrier a number of different corrections may be necessary to get a true reading. Why do readings obtained from a float type ullage tape sometimes require a 'tape correction'?
The vessel may not be on an even keel when the readings are taken.
The length of tape in contact with very cold cargo vapours may contract.
The vessel may have a list when the readings are taken.
The float may become heavier and partly sink due to liquid cargo absorption.
What action should be taken by the Officer of the Watch when the GPS fails?
Stop ship until it is repaired and fully functional
Call the Master
Inform the technical officer responsible for the electronic navigational equipment and continue on passage using alternative navigational methods
No special action needs to be taken, just continue on the passage and wait for it to be fixed.
What causes shock loads in a container lashing system?
Ship torsion
Loose cargo lashings
Resonant rolling
Ship vibrations
What should the Third Officer do, if he finds something missing from a lifeboat?
If he finds something missing from a lifeboat, the Third Officer should notify the Chief Officer
If he finds something missing from a lifeboat, the Third Officer should replace the missing item
If he finds something missing from a lifeboat, the Third Officer should search for the missing item
If he finds something missing from a lifeboat, the Third Officer should make a note of it in the lifeboat register
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.
What would be the most likely cause of a smell of "rotten eggs" in the upper casing of the engine room?
Fresh water evaparator malfunction.
Open or leaking acetylene bottle.
A leak of exhaust gas from a boiler or diesel engine exhaust.
Failure of the ship's refrigeration system.
The figure shows a silicon controlled rectifier with a RC circuit connected in parallel. RC circuit is often used in such connection. For which purpose?
Protect the SCR against damage caused by high voltage spikes
Obtain current resonance
Measuring the current through the SCR
Delay the ignition of the SCR
A routine inspection of a hold space on a liquefied gas carrier is necessary. Checks of the atmosphere indicate that there is only 19.5% oxygen content. Which of the following actions is recommended?
Postpone the inspection and continue ventilating until an oxygen reading of 21% is achieved.
Carry on with the inspection as normal since 19.5% oxygen content is sufficient for breathing.
Ensure all persons entering the space for the inspection wear self contained breathing apparatus.
Ensure the inspection is carried out quickly in case the oxygen content reduces any further.
An engine room rating is assisting in the maintenance of some of the valves on the low pressure steam range. Which packing material, from the options given, would be the best choice for repacking the gland of a low pressure steam valve?
Graphite fibre packing.
Greasy cotton packing.
PTFE rope packing.
Lead covered cotton packing.
What is Standardized Cargo?
Break bulk cargo of standard dimension
Cargo for which the ship is provided with an approved securing system
Cargo that is shipped in standard dimensions
Cargo shipped on pallets
A vessel with a large transverse GM will have which of the following rolling periods?
Fast abrupt rolling period to small angles.
A moderately comfortable period with medium angles of heel.
Slow period of roll either side of an angle of loll.
Very slow and to large angles of heel.
A tank containing hydrocarbon residues requires manual cleaning by use of shovels, scrapers etc. Should you:
Open the tank, provide ventilation and commence work immediately.
Open the tank and provide lighting, have someone standing by outside the tank and commence working.
Open the tank, provide adequate ventilation/lighting, test oxygen content, have someone standing by with rescue equipment, complete a tank entry permit then commence work.
Open the tank, provide adequate ventilation and lighting, commence work and have someone standing by outside the tank.
A sudden or gradual decrease in the pH-value, or an increase of the sulfate content, in the cooling water may indicate:
Leakages from seawater coolers
Leakages from L.O. coolers.
Exhaust leakage
High concentration of corrosion inhibitors
What is the purpose of the flame scanner or 'magic eye' fitted to the burner unit of oil or gas fired steam boilers?
To check the colour of the flame.
To control the combustion air supply to the boiler.
To check that the flame is present during start up or normal operation of the burner; if not then fuel is shut off automatically.
To check the colour of the exhaust gas from the furnace.
Why should a heavy lift derrick not be operated close to the horizontal?
Because the topping lift sheave may fail
Because the derrick gooseneck might crack
Because the topping lift wire may part
Because there is danger of the derrick heel springing out of its shoe
What is meant by dynamic amplifying
Amplitude of input signal divided by amplitude of output signal
Amplitude of output signal divided by amplitude of input signal
Variable amplifying
Corresponding change in signals
In a PID controller we have possibility to change the setting of the Proportional band (P), the Reset time (I) and the Rate time (D). Please indicate which curve shows the typical response to change in input, if the setting of the reset time is too fast.
Figure 4.
Figure 3.
Figure 2.
Figure 1.
The pumping and piping arrangement for a chemical tanker constructed after 1st January 2007 and carrying substances of categories "X", "Y" or "Z" must ensure that the maximum quantity of residues retained in a cargo tank and its associated piping must not exceed which of the following amounts?
300 litres.
100 litres.
75 litres.
10 litres.
With two alternators running in parallel, you wish to disconnect one. The first step is to:
Make sure the load is evenly shared
Trip the main circuit breaker
Remove the load from the alternator to be stopped
Increase the frequency on the switchboard
Signals used by aircraft engaged in search and rescue operations to direct ships towards an aircraft, ship or person in distress. What is the meaning of the signal?
Medical assistance required
Landing is highly dangerous
The assistance of the vessel is no longer required
The aircraft is directing a vessel towards an aircraft or vessel in distress
What is the first line of defence against ingress of water into a bulk carrier?
Pipe outlets
The shell plating
Machinery spaces
Hatch covers
Power is available at a three-phase motor starter but nothing happens (at starter or motor) when the start button is operated. Which of the following is a likely cause?
Open circuit in one of motor cables
Motor disconnected
Faulty overcurrent relay
Faulty contactor coil
On a RoRo vessel, what should you do if it is clear a RoRo cargo unit's content is not have properly secured
have the crew secure the content once the unit is in position
load the unit and let the duty officer know
Reject the unit and do not allow it to be loaded
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 changes in displacement
They vary with small angles of heel
They vary with changes in the shape of the waterplane
They remain unaffected by changes in displacement
What is the name of this unit?
A slip hook
A hydrostatic release unit
An antistatic release unit
A liferaft release unit
Where are cargo residues usually concealed?
In the bilges
In the upper sections of the ship’s frames
In bulkhead corrugations
In recesses below manhole covers
When a vessel arrives at a port to pick up a pilot and enter harbour, there should be someone required to stand by the anchor forward. How should the anchor be prepared and ready?
The brake may be insufficient to hold the anchor, so leave everything in place except the cement/covering of the chain locker
The brake securely applied, all cement/covering into the chain locker and securing arrangements from windlass removed. The guillotine can remain for removal when ready
The use of the anchor will not normally be required when going straight into port, so the anchor does not need to be prepared, but left ready for going back out to sea.
Leave the brake on securely.
This resistor has the value of 68 k ohm. Which colour code should be marked on the rings (assume ring d is the tolerance ring)?
a. red b. black c. yellow
a. blue b. grey c. orange
a. black b. red c. orange
a. violet b. green c. yellow
In a fresh water tank we are using a pressure transmitter with a range of 0-0.5 bar / 4-20mA for level measurement. The transmitter is for different reasons installed 30 centimeters from the bottom of the tank, and the tank is 5 meters high. What will the output from the transmitter be when the tank is full? (Pending no calibration is made)
30 mA
19.04 mA
20 mA
21.2 mA
Where is the normal position of the "Pivot Point" of the vessel when going ahead?
1/4 of vessel's length from the stern
1/3 of the vessel's length from the bow.
Amidships
Normally varies dependant on the speed ahead
Which of the methods given in the options should be used to test a remote reading temperature gauge for the auxiliary boiler exhaust gas?
Check the resistance change in the sensor over a known temperature range against the resistance values in the product sheet.
Place the sensor in a test tank of oil fitted with a heater element and thermometer and check the temperature gauge at different temperatures.
Place the sensor in a test tank of water fitted with a heater element and thermometer and check the temperature gauge at different temperatures.
Fit a spare temperature gauge and see if the readings are the same.
When a new crewmember joins a ship for the first time, on-board training and instructions in the use of the ship's life-saving appliances, including survival craft equipment and in the use of the ship's fire extinguishing appliances shall be given as soon as possible. What is the maximum timeframe for completion of this training?
Maximum 1 week
Maximum 6 months
Maximum 2 months
Maximum 2 weeks
Where is "AFT", in the figure?
Aft is B, in the figure
Aft is D, in the figure
Aft is A, in the figure
Aft is C, in the figure
TBN - total base number from a lube oil test, indicates the:
Amount of organic acids in the oil.
Amount of contaminants in the lubricating oil.
Alkalinity of the lubricating oil.
Flash point.
Compressors for handling vapour from liquefied gas cargoes are fitted as part of the cargo handling plant on liquefied gas carriers. How is liquid prevented from entering the compressor suction?
By checking the temperature in the vapour line between the cargo tank and compressor.
A liquid separator is fitted in the vapour line between the cargo tank and the compressor.
A liquid condenser is fitted in the vapour line between the cargo tank and the compressor.
By checking the pressure in the vapour line between the cargo tank and compressor.
A power card from a slow speed diesel engine cylinder is abnormal with a low height and the body of the diagram thicker than normal. What is the most likely cause of this?
Fuel timing is advanced.
Partially blocked fuel injection valve.
Scavenge pressure is too high.
Fuel timing is retarded.
What arrangement may be installed in passenger ships to reduce unsymmetrical flooding in damaged condition?
Ballast trimming system
Cross flooding arrangement
Separate trim tanks
Self acting ballast trimming arrangement
When should additional lashings on general cargoes be considered?
When heavy weather is anticipated for the planned voyage
When passing through the Tropical Zone in winter months
When passing through the Summer Zone in winter months
With the onset of heavy weather
What name is applied to foods that have been prepared according to Jewish law?
Roaster.
Israelish.
Mosher.
Kosher.
When loading chemical cargoes in the United States, temperatures are often supplied in degrees Fahreheit. What does 60 degrees Fahreheit equate to on the Celsius scale?
37.8 degrees C.
0degrees C.
15.6 degrees C.
32.0 degrees C.
What must be ensured prior to receiving iron ore?
Double bottom tank top plating must be tested for leaks
Cargo hold paintwork must be intact
Cargo hold bilge suctions and topside tank drop valves must be satisfactorily tested
Upper frame sections in the cargo holds must be inspected for cracks
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
Hydrocarbons belongs to a chemical group named:?
Alkanes
Organic substances.
Carbohydrates.
Alkenes
What does the term "Dead Ship" mean?
"Dead Ship" means that the ship cannot make way through the water
"Dead Ship" means that the ship is aground
"Dead Ship" means that auxiliary machinery is not operational
"Dead Ship" means that the machinery and boilers are inoperational due to lack of electrical power
What is the disadvantage of using High Tensile Steel (HTS) in the construction of bulk carriers?
HTS is prone to fatigue cracking
When compared with mild steel HTS increases the lightship displacement
HTS does not form a proper bond with paint coatings
HTS is prone to pitting
Before departing the berth to ensure the stability of a RoRo vessel which if the following should be completed
Close all Ramps and hatch covers
Open all ramps and hatch covers
turn off all the deck hydraulics
What are the symptoms that would indicate the filter/drier unit in a refrigeration system was becoming blocked?
A large temperature drop across the drier with possible icing of the casing.
Pressure drop before the driver.
A hammering noise from the drier.
The drier casing temperature increases.
What action should be taken, in addition to isolating the leak, if the boiler water has become contaminated with a small amount of fuel oil due to a leaking heating coil?
Do nothing, a small amount of oil in the boiler is harmless..
Dose with coagulant and give the boiler a bottom blowdown.
Dose with coagulant and continue to operate the boiler as normal.
Dose with coagulant and surface blow the boiler.
During loading of palletised, chilled, perishable goods it starts to rain heavily in the port area. Some of the cargo pallets have been placed on the quay ready for loading. Select, from the options given, the best course of action to be taken to minimise any damage to the cargo.
Return the cargo to the cooling sheds until the rain ceases.
Shift the cargo to a position where there is overhead shelter.
Shift the cargo onto the deck and cover with a waterproof sheet.
Cover the cargo with a waterproof sheet.
If you observe 2 vehicles having an accident on car deck during loading, what should you do?
Call the police
Report immediately to the loading officer
Call the security officer
Call the captain
You have just completed discharge of a cargo of Iso-Butanol and are preparing for tank cleaning. The pumpman is going round the deck checking the cargo pump cofferdams for any leakage of hydraulic oil or cargo. What term is applied to this procedure?
Proving.
Stripping.
Venting.
Purging.
Which of the following statements is correct when discussing warm clothing and passengers?
After being mustered, passengers will return to their cabins for warm clothing.
The crew will pass out warm clothing for passengers.
Warm clothing will protect passengers from drowning.
Warm clothing will protect passengers from hypothermia.
On a RoRo vessel, what must be ensured onboard the vessel prior to commencing cargo?
That all cargo is ready for loading
That the vessel has been cleared by immigration
Cargo hold ventilation systems are operational
What is the purpose of "fire wires" on an oil tanker and when would they be positioned?
They are quick release wires used in port that can be automatically let go from on board if there is an emergency in the terminal
They are lines postioned at the bow and at the stern of a tanker in port, for the purpose of towing the ship off the berth in an emergency
They are wires hung overboard when at a berth or an anchorage for securing fire tenders and other emergency craft alongside in the event of a fire onboard
They are the control wires that run from the manual control points on deck to remotely start the emergency fire pump
On a hold inspection of a Bulk Carrier it is noted that a number of transverse frame beam knees are slightly distorted; what is the significance of this?
The distorted areas should be painted
There are no concerns with this observation
This is an indication of excessive bending moment stress
This indicates the vessel is suffering racking stress and is potentially serious
In describing the characteristics of oil cargoes or oil / water slops, what is a mercaptan?
The component of hydrocarbon-based cargoes which is formed from Merolion Carbonized Tannin.
A device fitted to a cargo pump which automatically alerts the operator once traces of water start to be detected during discharge.
A chemical additive blended with crude oil to inhibit the natural "rotton egg" smell associated with certain grades.
A colourless, odorous gas, with a smell similar to rotting cabbage and which is generated naturally by the degredation of natural organisms, as may be found where water has remained under oil for a long time.
On a Container vessel, what must be done when container lashing equipment fails at sea?
Report the matter to the equipment manufacturer's
Report the matter to the ship owner
Enter the number and type of failed equipment in the deck log book
Enter the number and type of failed equipment into the lashing equipment file on board
When starting three phase induction motors which of the following starting methods will immediately apply rated voltage to the machine?
Soft starter
Star Delta
Direct on Line
Auto - transformer
Is it necessary to cool the water samples from the cooling system, before testing?
Yes, must be cooled to 25 Degr. C.
Yes, must be cooled to 50 Degr. C.
No, must be heated to about 95 Degr.C.
No.
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
For a Nitrate based cooling water treatment system, what would you consider to be the normal operating limits?
0-1000 PPM Nitrate.
3000-5000 PPM Nitrate.
1000-2000 PPM Nitrate.
2000-3000 PPM Nitrate.
What is meant when a vessel is said to have sinkage?
Sinkage is the extra draft a vessel obtains when she is comparatively heavily loaded amidship.
Sinkage is the deepest draft a vessel obtains aft when moving through the water.
Sinkage is the extra draft a vessel obtains when she is comparatively heavily loaded both ends.
Sinkage is the change in draft a vessel obtains when moving through the water.
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.