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Home Online tests CES Passenger MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Passenger vessel
Online testing: Test online CES 5.1 for MASTER / Ch-Officer, Passenger vessel
Online test
Description
The test consists of random questions on a selected topic.
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How much food per person is supplied in a lifeboat?
None - only barley sugar sweets supplied
Not less than 10000 kJ
Not less than 20000 kJ
Not less than 5000 kJ
Give the meaning of the following symbol
Survival craft distress pyrotechnic signals
Line throwing appliance
Radio signal emitting parachute flare
Lifeboat hand flare
What is the main criterion generally taken into account to classify portable extinguishers:
The extinguishing agent
Their pressurisation system
The way they can be moved
Their capacity of charge
A standard self-contained breathing apparatus is capable of functioning for at least
90 minutes
30 minutes
60 minutes
45 minutes
The presence of smoke represents one of the greatest dangers in the fire fighting. Why?
It reduces the visibility, provokes panic, is irritating and may be toxic
It only reduces visibility and is very hot
It hinders communications, causes burns, and provoke panics
It refrains the equipment from setting out the fire, and is irritating
In case of a fire on the line in an oxyacetylene-line gas-welding equipment, what action should be taken?
Close the valves on both bottles, first the acetylene and then the oxygen bottle
Close the valve(s) on the acetylene bottle only
Close the valve(s) on the oxygen bottle only
Do not close any valve and attack the fire, preferably with powder
In traffic via Inmarsat-A, the telex connection can be disconnected by entering:
…..
kkkk
brk+
Don't know
What is the radio telephone distress signal?
SOS
SECURITE
PAN PAN
MAYDAY
The MERSAR is:
a survey of vessels favourably located for possible rescue during SAR operations
a book of directions for search and rescue at sea
a fully automated system for mutual assistance and rescue of persons at sea
Don't know
You are at the mainfold with the cargo surveyor, drawing samples at the start-up of cargo. A sample of 2-Ethyl Hexanol is off colour. The surveyor instructs you to open the manifold valve and start loading. What will you do?
Tip the sample into the drip tray and draw more samples until it clears. A maximum of ten litres may be drawn and dumped before it is considered a problem.
Open the manifold valve as requested but make a note in the log-book regarding the off-colour sample.
Keep the manifoild closed, report the situation to the Chief Officer.
Open the necessary tank loading valves and then open the manifold valve. With this product, the colour will soon clear.
Which of the four calculations below is the correct set up, if you want to find observed latitude when the sun is on the meridian?
Calculation 2 is correct.
Calculation 4 is correct.
Calculation 3 is correct.
Calculation 1 is correct.
Give the meaning of the following symbol
Portable foam applicator
Portable fire extinguisher
Powder installation
Foam installation
Once a ship (equipped with self-stowing auto-tension winches) is moored alongside a loading or discharging berth, it is recommended that:
All winches to be left with the manual brake on and out of gear.
All mooring winches be left in 'auto-tension' mode
The 'spring' winches be left in the auto-tension mode and all other winches with the manual brake on
The 'breastline' and 'headline' winches be left in the auto-tension mode and spring winches with manual brake on
A ship is not turning around the center of gravity, but another point. What is the point called?
Point of radius
Pivot point
Point of turning
Point of no return
Your ship is going full astern and making sternway. Where will the "pivot point" be located? No wind, current.
Somewhere aft of the center of gravity, but it is impossible to pin-point the exact location
At the center of gravity
At 1/6 of the ship-s length off the bow
At 1/6 of the ship-s length from the stern
Within territorial waters the use of transmitters is prohibited. In general this does not apply for:
Inmarsat-C equipment
Don't know
MF-equipment
HF-equipment
What is the meaning of this symbol ?
Line-throwing appliance
Survival craft pyrotechnic distress signals
Rocket parachute flares
Radar transponder
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.
If your chemical tanker is equipped with high velocity venting valves, at what minimum height above the weather deck or catwalk should they be installed?
2.5 metres
6 metres
3 metres
4.5 metres
Why do some diesel engine manufacturers recommend machining the valve spindle sealing surface with a half degree difference to the valve seat angle?
To improve valve sealing by compensating for expansion of the valve during high temperature operation.
To minimize heat transfer between valve and valve seat.
To improve valve sealing by compensating for pressure and temperature effects on the valve during engine operation..
To improve valve sealing by increasing contact force by reducing contact area between valve and seat.
What can be done to help pump out water from the cargo space of a bulk carrier, when washing down during cleaning operations?
Chief Officer to ballast ship to provide large stern trim
Vessel trimmed by bow
Vessel to be ballasted to even keel condition
Wash water to be kept to a minimum
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.
With respect to earthing (grounding) of signal cables. Which of the 4 alternatives is correct for a cable for analogue signals?
Figure 1.
Figure 2.
Figure 4.
Figure 3.
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 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.
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.
What necessary precautions should be taken before entering a tank or an enclosed space?
Make sure that the tank/ enclosed space is gas free, ventilated and the oxygen content is measured. O2 content shall be 21% before entering the tank/ enclosed space
Bring a flashlight and put on safety shoes
Remember to have a colleague standing by to assist you if any problems
Use a breathing apparatus if the oxygen level is below 21%
When opening hatch covers on a General Cargo vessel, what would indicate that there was ingress of water into the cargo holds during the voyage?
Rust-stained cargo
Evenly-distributed rust spots around the cargo hold
Evenly-distributed rust spots on cargo
Bright rust streaks on hatch coamings
What is the main information we get from a Mollier diagram?
We get information about enthalpy, specific volume of vapour, liquid/vapour mixture, temperature of vapour when pressure is known and pressure in the cargo tank when liquid temperature is know.
We get information about enthalpy, specific volume of vapour, liquid/vapour mixture, temperature of vapour when pressure is known.
We get information about enthalpy, specific volume of the liquid and latent heat.
We get information about specific volume of vapour, liquid/vapour mixture, temperature.
What is shown in the image?
A hatch compression bar is shown in the image
A hatch cleat is shown in the image
A hatch wedge is shown in the image
A hatch locking bar is shown in the image
What is the meaning of the abbreviation "SWL" as stamped on lifting gear around the ship?
Single Winch Load.
Safe Working Load.
Single Working Load.
Safe Winch Load.
You have discovered a small leak of oil at the manifold during discharging. What is you first action?
Do not bother.
Try to stop the leak.
Call the terminal.
Call immediately the person in charge.
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
Which of the following groups of chemical cargoes is particularly susceptible to polymerisation, especially through exposure to heat?
Aliphatic Amines.
Paraffins.
Aldehydes.
Monomers.
What will happen with the interface in the bowl, if the flow is too high?
The separation of the oil is bad.
The separation of the oil is good.
Will have no effect on the interface.
Broken water seal.
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.
What is a low location lighting system?
A light system powered by battery or fluorescent signs mounted at deck level indicating the way to the nearest exit
A system displaying the escape route from all cabins by light points in the ceiling, powered by battery
An illumination system for all corridors in cabin areas
An emergency illumination system that illuminates all deck areas to a minimum
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
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.
If the high PPM alarm is actuated on an automatic O.W.S. What should happen?
The sludge pump stopped.
Overboard discharge is stopped.
Overboard discharge continues.
The oil outlet valve opens.
Where is there a likelihood of inadequate initial design on a bulk carrier?
Around the hatch corners
On cross-deck plating
On the sheer strack
On shell plating
One of the crossheads on a large, six cylinder, slow speed diesel engine has been severely damaged due to bearing failure. The connecting rod for the cylinder concerned is to be removed from the engine and the piston and damaged crosshead suspended in the engine so that it can be run on 5 cylinders. Which of the methods given in the options should be used to suspend the piston and crosshead?
Remove the cylinder cover and connect the piston (with crosshead attached) to the engine room crane and position the piston so that it covers the scavenge ports.
Raise the piston sufficiently high to allow the crosshead support pins/chains to be fitted and rest the crosshead on them (with piston attached and positioned above the scavenge ports)
Raise the piston (with crosshead attached) to just above the scavenge ports and insert pieces of wood through the ports to rest the piston on
Remove the cylinder cover and lift the piston until the crown and skirt are clear of the liner and place two bits of angle iron across the liner top to rest the piston on.
On a Container vessel, against what do explosives need protection?
Corrosives
Lightning strikes
Toxic gases
Other categories of explosives
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
Which vitamin is to be found only in foods from the animal kingdom?
Vitamin C
Vitamin E
Vitamin A
Vitamin B
What is the master's position if he is asked to load a container that is incorrectly manifested, but which is believed to contain dangerous goods, about which insufficient information is supplied?
If it it approved by the operations department, he can assume all safety checks have been carried out and should load it.
He has the authority to refuse it.
He must load it, but ensure it is placed in a safe loaction, to which there is immediate access in the event of an emergency.
He must load it, but immediately advise his operations department and request full information.
This vessel is encountered at the mouth of a river which leads to your discharge port. What do the various shapes tell you?
This is a vessel engaged in mine-clearance opetrations. The two balls in a vertical line indicate that it has a sweep mechanism deployed; the two diamonds in a vertical line indicate that the vessel should be given a clearance of at least 1000 metres; the ball / diamond / ball indicate that the vessel is restricted in her ability to manoeuvre.
This is a vessel engaged in dredging or underwater operations. The two balls in a vertical line indicate the side on which an obstruction exists; the two diamonds in a vertical line indicate the side on which it is safe to pass; the ball / diamond / /ball in a vertical line indiacte that the vessel is restricted in her ability to manoeuvre.
This is a vessel engaged on port security duties. The two balls in a vertical line indicate that the port is closed; the two diamonds in a vertical line indicate that the port is engaged in mine-clearance operations; the ball / diamond / ball in a vertical line indicate that the vessel is restricted in her ability to manoeuvre.
This is a vessel engaged in dredging or underwater operations. The two balls in a vertical line indicate the side on which it is safe to pass; the two diamonds in a vertical line indicate the side on which an obstruction exists; the ball / diamond / ball indicate that the vessel is restricted in her ability to manoeuvre.
When discussing ther chemistry of petroleum cargoes, if 'Alkanes' are saturated hydrocarbons, what are unsaturated hydrocarbons?
They are also referred to as Alkanes.
Pentenes.
Alkenes.
Octanes.
What is the most important factor to be considered when planning the lashing system for a particular sea route?
The quantity and type of lashing materials
Transverse accelerations
The size and weight of packages/cargo units to be loaded
The breaking strength of lashing materials
Why are a greater number of lashings required to secure cargo forward on deck compared with amidships under deck of a General Cargo Vessel?
Because the dynamic stresses on the lashing are much greater
Because the roll period is greater forward
Because heavier cargo is stowed forward
Because the dynamic stresses on the lashing are much less
What should you keep in mind when releasing lashings?
Step aside when lashings are released
Close your eyes
Release lashings with great care to reduce the risk of injury when tension is released
Always use one hand!
What items of container securing equipment must be used in conjunction with buttresses?
Twistlocks
Single stacking cones and bridge fittings
Double stacking cones or link plates
Single stacking cones
What determines the size of the "sump" in a chemical tanker's cargo tank?
It must be below 1/3000th of the total volume of the tank.
The foot of the pump must fit inside it with a minimum of 20 cm clearance all round from the pump casing.
When combined with the estimated residues on the bulkheads and in the associated pipelines, the quantity of residues remaining in the sump must be below the maximum quantity remaining after discharge as permitted by law.
The flow of residues into the sump must be greater than or equal to the pumping capacity of the pump when operated at stripping speed (calculated as 12% of nominal speed against 3 bar head pressure), with not more than 1.5 degrees adverse list or 0.1 degree trim.
On a Container vessel, what should be done if a container with a damaged corner post is being loaded?
The container should be returned to shore immediately
A cargo damage report should be made for signing by stevedores
A log entry of the container number and stowage position should be made
A note should be made and the information handed over to the relieving watch keeper
When there is doubt about the freshness of the atmosphere in enclosed or confined spaces, what action should be taken?
Open doors and manholes
Arrangements should be made for testing of the atmosphere to ensure maintenance of 21% oxygen of the space
Ro-ro decks are always ventilated in advance of an operation
Supply filter masks to all crew working on ro-ro deck
How would you ventilate your cargo holds when sailing from hot climate to cold climate?
Ventilation only during night time?
Ventilate only during day time?
Ventilate excessively?
No ventilation should be done?
What would the Chief Officer require prior to the vessel's departure from the berth?
Prior to the vessel's departure from the berth, the Chief Officer would require the anchor to be thoroughly secured
Prior to the vessel's departure from the berth, the Chief Officer would require the crew to prepare for the voyage
Prior to the vessel's departure from the berth, the Chief Officer would require the Bo's'un to oil the moving parts of the windlass
Prior to the vessel's departure from the berth, the Chief Officer would require the windlass to be covered
The cold room temperature is almost at the cut out point in a vapour-compression refrigeration system. What should the refrigerant state be just after the evaporator if the system is correctly set up?
Slightly superheated low pressure gas.
Liquid at high pressure.
Sub-cooled liquid at low pressure.
Wet vapour at high pressure.
A transformer overheats while taking a shore supply. Which is the likely cause?
Incorrect voltage
Incorrect current
Incorrect earthing
Incorrect frequency
What is the main difference between a THERMOSTAT and a TEMPERATURE TRANSMITTER, if any?
There is no difference.
The temperature transmitter is a digital component while the thermostat is an analogue component.
The thermostat has one or more contacts (open or closed) depending on the temperature/setting. The temperature transmitter converts a temperature signal to an electric signal.
The thermostat gives out an analogue signal depending on the switch setting. The temperature transmitter gives out a binary signal depending on the temperature.
The compass binnacle on the ship has various specific functions, which of the following answers reflect its most important functions.
Provides a non-magnetic housing for the compass
All of the answers provided
Houses the soft iron correctors
Houses the corrective magnets
Which of these weapons are widely available and commonly used by criminals and terrorists to further their aims?
Liquid explosive
Gun
Vehicle borne device
Incendiary device
You are in charge of discharging and crude oil washing. What is the maximum allowed oxygen level measured in the middle of the ullage space in a tank during crude oil washing? (IMO Reg)
10%
8%
3%
5%
Many liquefied gas carriers are fitted with inert gas generators to supply inert gas to ensure the atmospheres of various onboard spaces are non-flammable. How is cargo vapour from these spaces prevented from back-flowing into the inert gas generator and creating an explosion risk?
The deck IG main is always manually blanked off when the IG system is not running.
There are at least two mechanical non-return devices fitted to the deck IG main.
There is always a deck water seal fitted to the IG main.
The pressure at the generator outlet is always greater than that of the IG main.
What is the recommended maximum salt intake per person per day?
2,300 milligrams (0.08 ounce).
635 milligrams (0.02 ounce)
1gram (0.04 ounce)
4,600 milligrams (0.16 ounces)
How would you prevent hot liquids spilling from pans in heavy weather?
Place absorbant cloths around the pans to catch any spillage.
Dry cook all food, do not use any water or fat.
Use tight fitting lids on the pans, secured with string.
Fit guard rails around the range and fill the pans to a lower level than usual.
What must be done after completion of ballasting operations on a bulk carrier?
All valves closed, tank ventilators in open position and sounding pipe caps replaced.
Sounding pipe caps left off
All valves and lines left open
All valves closed and tank ventilators to closed position
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
If left-over cooked meat is to be re-used in another meal, which of the following precautions must be taken?
The meat must be fine chopped to ensure it re-heats to at least 70 degrees Celsius as quickly as possible; it must not be mixed with newly preared raw meat; the dish in which it is used must only be heated once.
The meat can be directly added to another dish and musdt be re-heated to the temperature required by the new recipe; it can then be re-heated for further servings provided it is refrigerated in between.
The cooked meat must have been refrigerated until required; it can be taken out, chopped and mixed thoroughly with newly cooked ingredients, to ensure it is adequately re-heated. If it cools before serving, it can be warmed through on a hot plate or under a heat lamp.
The meat must be sliced to a thickness of less than 5 mm to ensure it re-heats to at least 50 degrees Celsius during cooking; it can only be layered with other previously cooked ingredients; the dish in which it is used can be re-heated again, provided it is refrigerated between each serving.
What is the purpose of the discharge booster pump?
To increase the manifold pressure.
To increase the NPSH.
To maintain the cargo temperature.
To compensate for friction losses in the discharge line.
Which of the following is a warning sign of a faulty hydraulic hatch cover system?
Dry greasing points
The presence of dust and cargo particles around the piston gland
A fall in the hydraulic header tank level
Noisy hatch cover operations
A decision support system for emergency management shall be provided on the navigation bridge. What type of emergency situations shall as a minimum be identified in the emergency plans?
Fire, Evacuation, Pollution, Personnel accidents and Ship Security
Evacuation, Fire, Pollution and Man-Over-Board
Man-Over-Board, Evacuation and Fire
Fire, Damage to ship, Pollution, Unlawful acts threatening the safety of the ship and the security of its passenger and crew, Pesonnel accidents, Cargo-related accidents, Emergency assistance to other ships
What is Inert gas ?
It is a gas containing insufficient oxygen to support combustion of hydrocarbons
It is a gas containing only nitrogen
It is a gas containing less than 21 % by volume oxygen
It is a gas containing no oxygen
You have recently discharged a cargo of Methylene Chloride from tank 4 port. How will the atmosphere in the tank normally be tested for remaining (very low level) traces of vapour to ensure safe conditions before a tank entry certificate is issued?
By reading off a standard explosimeter (combustible gas indicator).
You will be able to smell even a very low level of this product.
It is not possible (or important) to test for trace levels of this product.
By sampling through a gas detector tube.
Which statement about IED’s is true?
All IED’s have four common components.
IED’s don’t cause serious damage.
All IED’s look alike.
IED’s are difficult to manufacture.
What is the most important consideration when planning the lashing system for a particular sea route on a General Cargo Vessel?
Encountering heavy weather
Transverse accelerations
The breaking strength of lashing materials
The size and weight of general cargo items to be loaded
Different packaging methods are used for the various perishable commodities which are carried by reefer vessels. What type of perishable commodity is usually packed in a cry-o-vac?
Vegetable products
Frozen meat products
Fruit products
Chilled meat products
Which of the options given is most likely to result in overheating of a ball bearing fitted to a pump shaft?
Running the pump at full capacity.
Partly filling the bearing with grease.
Fitting a sealed bearing that cannot be greased.
Completely filling the bearing with grease.
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.
In most colour coding systems for kitchen knives, what colour is used to indicate those used only for preparing raw meat?
Black.
Blue.
Red.
Yellow.
What is the normal name of the special wire/rope on board the ship used to make a tug fast?
Mooring wire
Tugs rope
Towing spring
Tugs wire
What should crew members not assigned to emergency teams, do?
Crew members not asigned to emergency teams should ensure the proper operation of the remote control equipment
Crew members not asigned to emergency teams should be ready to assist the engine-room emergency team
Crew members not asigned to emergency teams should be integrated in the emergency team
Crew members not asigned to emergency teams should prepare survival crafts and render assistance, where required
Where would you normally expect to find the air vent cock on a steam boiler?
At the feed water inlet pipe connection.
At the highest point of the steam drum.
At the superheater outlet
On the highest point of the steam range.
What percentage of the baggage is required to be checked at Security Level 1?
25-50% of the baggage is required to be checked at Security Level 1.
The percentage is not specified.
100% of the baggage is required to be checked at Security Level 1.
5-15% of the baggage is required to be checked at Security Level 1.
On a RoRo vessel, what is the Maximum Securing Load of web lashings?
60% of the breaking strength
65% of the breaking strength
50% of the breaking strength
In most colour coding systems for kitchen knives, what colour is used only for knives used in the preparation of raw fish?
Green.
Brown.
Red.
Blue.
Many LNG vessels have spherical cargo tanks. Which of the statements given in the options is the most accurate?
Using spherical tanks means double hulls are not required.
Using spherical tanks means that the cargo can be carried at pressures well above atmospheric.
Using spherical tanks allows more cargo to be carried as the tank is positioned above the deck.
Using spherical tanks means only a partial secondary barrier is required.
Some fuel oil and lubricating oil separators have a facility to control the back pressure of the clean oil outlet. What is the purpose of this control function?
To help to maintain the oil/water interface at the correct position.
To control the amount of fuel passing through the separator.
To reduce the amount of sealing water required during operation.
To assist in discharging the bowl contents during the sludge cycle.
When should bagged fishmeal not be rejected for loading?
When temperatures of the bags are around 25 degrees centigrade
When temperatures of the bags are 5 degrees above the ambient temperature
When bags are damaged
When bags are wet
Where in a passenger ship is furniture, due to fire protection, to be kept to a minimum? (SOLAS II-2/34.6)
In escape routes
In stairways and corridors
In service spaces
In control stations
Must you be certified to be a lifeboat-commander?
Yes, you must attend a one week course at a approved course center.
No, the only thing you need is one hour instruction from a deck officer.
Yes, you must attend to a course held by certified personnel, and then be certified by national authorities (NMD, USCG, etc)
No
This online test consists of 90 random questions from CES 5.1 tests on a topic of your choice.