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Home Online tests CES Gas tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Gas tanker vessel
Online testing: Test online CES 5.1 for MASTER / Ch-Officer, Gas tanker vessel
Online test
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The test consists of random questions on a selected topic.
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Give the meaning of the following symbol
Rocket parachute flares
Radio signal emitting parachute flare
Survival craft distress pyrotechnic signals
Line throwing appliance
Which one of the listed requirements regarding hand flares do not correspond to present regulations? The hand flare shall:
have a self-contained means of ignition
have a burning period of not less than 1 minute
continue burning after being immersed for 10 seconds under water
emit smoke of a highly visible colour
Welding and use of open flames on board tankers in operation are subject to regulation laid down by the Norwegian Maritime Directorate (Norwegian Ship Control Legislation - NSCL). During preparations for welding or hot works, the following item shall always be checked:
Inert gas composition.
Type of oil or gas chemicals having been carried in the actual tank and the adjacent tanks.
Cleaning and venting methods and systems.
Working performance and capacity of ventilating system.
A drip tray containing oil is on fire. The only fire fighting equipment available is water hose with spray jet/spray nozzle. How, if at all, should you attempt to put out this fire using water?
The water can be applied in a fine spray starting from the front in a sweeping motion.
Water should be applied to the oil in a single jet only.
Water should not be used on any type of oil fire.
Water should be applied in a jet to the back of the fire.
Which one of the listed requirements regarding two-way radiotelephone apparatus for survival crafts do not correspond to present regulations?
When necessary the battery shall be brought to the fully charged position or changed
The apparatus shall be operated from a battery of adequate capacity to ensure operation for at least 4 hours
The apparatus shall be capable of being operated on VHF channel 16
While at sea, the equipment shall be maintained in satisfactory condition
What comprises an INMARSAT-B subscriber number?
Nine digits, beginning with the country code associated with the country in which the vessel is registered.
Nine digits, beginning with a four (4).
Nine digits, beginning with a three (3).
Seven digits, beginning with a one (1).
Who is responsible for keeping the required official publications onboard?
The radio officer.
The owner.
The authorities.
The master.
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.
There are three levels of burning, namely:*Superficial *Intermediate*Deep burns (also called full-thickness burns) A large burn will almost certainly contain areas of all three grades. How many per cent of the body may be burned before the danger of lifethreatning shock occurs?
15 percent.
4 percent.
9 percent.
35 percent.
One of the following areas is NOT a Special Area as mentioned in MARPOL regulations regarding pollution by oil. Which is that area?
The Red Sea and The Gulf of Aden
The Gulf of Mexico
The Baltic Sea
The Mediterranean Sea
Which of the connections you are shown, are the dedicated shore connection (MARPOL-connection) for discharging of sewage ?
1
2
4
3
New MARPOL regulations came into effect from July 93 stating that the oily water separator which was previously certified for 100 ppm be changed to:
15 ppm
25 ppm
50 ppm
10 ppm
*A particular vessel is equipped with the possibility to insert CO2 in the scavenging air belt in case of uncontrolled fire. What are the actions to be taken in case of fire in the scavenging air belt?
Reduce the RPM to reduce the scavenge air temperature
Continue running the engine on regular speed, insert immediately the full amount of CO2 provided and await the fire to burn out
Continue running the engine on regular speed, waiting for the fire to burn out by itself. Increase the RPM, waiting for the fire to burn out by itself
When the temperature is reduced and in case the fire is not extinguished by itself, insert carefully CO2 to prevent cracks on the liners
Give the meaning of the following symbol
Foam valve
B class fire door self closing
Closing appliance for exterior
A class fire door self closing
When is a vessel deemed to be an overtaking vessel?
When coming up with another vessel from any direction abaft her beam
When coming up with another vessel from a direction more than 10 degrees abaft her beam
When coming up with another vessel from a direction more than 45 degrees abaft her beam
When coming up with another vessel from a direction more than 22.5 degrees abaft her beam
If the OOW must leave the voyage plan, he should?
Inform the master
Check the new plan
No special action necessary
Make a note in the log book
The responsibility for the use of the mariphone on board lies with the:
master
Don't know
user of the installation
owner
Define the class of emission J3E :
Radiotelex and DSC - Phase modulation
Radiotelephony - Single sideband full carrier
Radiotelephony - Single sideband suppressed carrier
Radiotelex and DSC - Frequency shift keying of carrier with error correction
An area within the radiotelephone coverage of at least one VHF coast station in which continuous DSC alerting is available is called:
A0
A2
ASN1
A1
Which of the following information shall be specified by the muster list ?
the specific duties assigned to passengers that are in charge of a group of others
the abandon ship signal consisting of two long blasts
the muster list has been prepared and approved by the Administration before the ship proceeds to sea
how the order to abandon ship will be given
The minimum number of lifebuoys required for a passenger ship cannot be less than:
6
8
2
10
Which one of the listed requirements regarding life-saving appliances corresponds to present regulations?
All prescribed life-saving appliances shall be made of non-combustible or fire retardant material
All prescribed life-saving appliances shall have marking in red colour
All prescribed life-saving appliances shall be of such a colour that they are in contrast to the surrounding colour
All prescribed life-saving appliances shall be fitted with the manufacturers name and Logo
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 item among those below is included in the normal equipment of every liferaft ?
one copy of the prescribed life-saving signals
one searchlight which can work continuously for not less than 3 hours
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
You are starting to get low on water in the lifeboat. What should you do?
Drink urine
Collect rain water
Use sea water
Mix sea water with 50% fresh water
Which channels are required for the portable two-way VHFs for survival craft?
Channel 16 only
Channels 16 12, 6, & 70
Channel 16 plus another one
Channels 16, 12 & 6
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.
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.
What are the required data inputs into most gyro compasses to reduce any possible compass error?
All of the data in the suggested answers
Latitude and Speed
Maximum helm angle and rolling period
Deviation and Variation
What is the most important reason for separating a panicking passenger from the group?
It is easier to calm the person down in private.
You want to protect the panicking person as much as possible.
You don't want other passengers to hear if you have to become very strict with the panicking person.
Panic can spread and affect other passengers.
Why should wet cloths not be used for carrying hot cooking pans?
Because Health and Safety regulations prohibit the use of a wet cloth within 2.5 metres of a galley range.
Because they conduct heat quickly and may cause scalding.
Because a cloud of steam will be generated and the person carrying the pans may find it difficult to see where he is going.
Because the mositure will transfer to the pan and cool the contents.
A chlorine carrier must be equipped with a chlorine absorption plant connected to the cargo tanks and cargo lines. What is the gas detectors alarm setting?
10 ppm.
20 ppm.
5 ppm.
15 ppm.
What are cargo residues considered as under MARPOL 73/78?
Marine Pollutants
Oily mixtures
Garbage
Wastes
What arrangement may be installed in passenger ships to reduce unsymmetrical flooding in damaged condition?
Self acting ballast trimming arrangement
Separate trim tanks
Ballast trimming system
Cross flooding arrangement
During inspection of a medium speed diesel engine main bearing the shell is found to have approximately 15% of the white metal overlay worn away and some light score marks on the exposed aluminium tin bearing metal. Select the most appropriate action to take from the given options?
Refit the shell as it is, this is an acceptable condition for a thin shell bearing after a period of service.
Use a scraper to remove the score marks from the bearing metal before refitting the shell.
Use a scraper to remove the remaining overlay before refitting the shell.
Discard the damaged shell and polish the journal pin before fitting a new shell.
According to the IMO Gas Codes, what is the minimum number of "Firemen’s outfits" required to be carried on an LNG carrier with a cargo capacity above 5,000 m3?
5 sets
3 sets
4 sets
2 sets
Which regulations cover packaging materials consisting of wooden elements?
The Code of Safe Practice for Cargo Stowage (CSS) Code
The International Maritime Dangerous goods (IMDG) Code
International Standards for Phytosanitary Measures (ISPM) Code
The United Nations Convention on Law of the Sea (UNCLOS)
In which category of passengers do you think a woman who shows you a police badge might belong?
30% who are rational
3% who panic
75% who are confused and helpless
25% who go into shock
Who is responsible for maintaining the vessel's structural strenght?
The Shipping Company and the Classification Society
The Shipyard
The Master
The Flag State Administration
What is important with regard to checking container lashings on deck?
The strength of lashing rods
The number and extent of lashings
The strength of twistlocks
The tightness of lashing rods and container locking arrangements
The primary and secondary insulation spaces of each LNG cargo tank are provided with pressure relief valves. What is the normal set point of the relief valves for these spaces?
20 mbar.
15 mbar.
10 mbar.
5 mbar.
A mixed cargo consisting of cartons of frozen meat and drums of frozen orange juice is being loaded into the same reefer space. From the options given, select the reason that best describes why the drums of orange juice must be handled carefully.
There may be contact damage to the cartons of meat from the steel drums of orange juice.
There is a risk that the meat could taint the orange juice.
There is a risk of spillage from the drums of orange juice which may taint the meat.
There may be contact damage to the steel drums of orange juice from the cartons of meat.
What is mean by bulk Grain cargoes have a low angle of repose?
Likely to produce toxic gas
Always stable
Unlikely to shift
Liable to shift
When checking the cylinder pressures of a 6 cylinder medium speed diesel engine it is found that one of the cylinders has a high maximum pressure. What is the most likely cause of this?
Fuel pressure to the engine is too high.
Exhaust valve on the cylinder with the high pressure is leaking.
Fuel timing to that cylinder too far advanced.
Fuel timing to that cylinder too far retarded.
What is a Gangway?
A Gangway is an interval of time between a change of working gangs, on board
A Gangway is a portable means of access to a ship
A Gangway is an accommodation ladder
A Gangway is a temporary means of access into the cargo holds
From the options given, choose the one most likely to result in a high exhaust gas temperature in one cylinder of a diesel engine.
The inlet and exhaust valve tappet clearance is incorrect.
Fuel injection valve opening pressure set too high.
Faulty turbo charger.
Clogged nozzle holes in the fuel injection valve.
A ro-ro unit weighing 2mt is to be loaded athwartships and lashed by belts of SWL 0.6mt. How many lashing belts should be used to secure the unit?
7
A minimum of 6
8
A minimum of 4
When calibrating an pressure transducer we have to adjust both SPAN and ZERO. Please indicate in which order these adjustments should be done.
The order of adjustment is of no importance.
First Span adjustment and then Zero adjustment. After that Span setting should be checked gain.
First Span adjustment and then Zero adjustment. After that Span setting should be checked again.
First Zero adjustment and the Span adjustment. Then Zero should be rechecked.
A hydraulically operated exhaust valve on a large slow speed diesel engine has been overhauled as part of the scheduled maintenance for the engine. During a test run of the engine the valve is found to be slamming shut. Which of the adjustments given in the options should be carried out to correct this condition?
The lift pressure for the relief valve in the hydraulic system should be reduced.
The lift pressure for the relief valve in the hydraulic system should be increased.
The throttle valve on the hydraulic system should be opened more.
The throttle valve on the hydraulic system should be closed in.
On a General Cargo Vessel, 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 small angles of heel
These vary with the gross tonnage of the vessel
They vary with changes in displacement
They remain unaffected by changes in displacement
On a Container vessel, what is the function of a buttress?
To support the lowest tier of containers in a non-cellular cargo hold
When used at the base of container stacks its prevents the tank top plating from being pierced
To support container stacks in a non-cellular cargo hold
To support the lowest tier of containers in a con-bulker's cargo hold
What would happen if a ship’s frames became partly detached from the side shell plating?
The shell plating would buckle
The adjacent frames would buckle
Topside and hopper tanks would become deformed
There would be additional loads on the adjacent frames leading to possible shell plating failure
Spray painting has been carried out in the engine room while the engine was running, and the turbocharger intake filter was not protected. Which one of the options given is most likely to result from this?
Scavenge air pressure lower than normal.
Exhaust gas temperatures lower than normal.
Scavenging air pressure is higher than normal
The revolution of the turbocharger lower than normal.
During loading of bananas the fruit should be visually inspected frequently to check the quality and for any indications as to its physiological development. Which one of the options given would indicate that the fruit is in suitable condition for shipment?
The bananas are green with a yellow hue. They are not really hard and do not break cleanly.
The bananas are green in colour with patches on the shoulder from the effects of sunshine and have relatively sharp ridges along the length. They can be snapped with sap clinging to the broken parts.
The bananas are yellow with small black spots on the skin. They cannot be snapped but the skin can be peeled off.
The bananas have a uniform green colour with relatively sharp ridges along the length. They can be snapped or broken with sap clinging between the broken parts.
Why is it important to check the ullages of the cargo tanks and sound double-bottom tanks at regular and frequent intervals during an oil tanker's loaded passage?
Such a procedure will indicate if there are any internal or hull leakages
Such a procedure will indicate if there is a build-up of pressure and the failure of any part of the venting system.
Because it is a requirement and the vessel can demonstrate complaince during an audit.
Such a procedure will confirm the correct function of the cargo calculator by referencing volume against temperature.
The exhaust gas is too dark because of:
Any of the others.
Faulty fuel injection pumps or valves
Some cylinders is overloaded
Inlet or exhaust valves are leaking
Where should a container containing Calcium Hypochlorite be stowed?
Away from sources of heat
Away from cargo transport units containing class 6 IMDG cargoes
Under deck
Away from the centreline of the ship
Where would you look to find details of the crude oil washing system, its equipment and operating procedures? ,
The Operations and Equipment Manual (COW Manual).
MARPOL 73/78.
The Oil Record Book.
The ODME Manual.
This graphical symbol is a logic gate with truth table. Which gate?
NOR
AND
NAND
OR
A ship is navigating in the Caribbean in August when it receives the warning of a Hurricane. To determine the centre of the storm the Master uses "Buys Ballot's Law" and faces the wind. On what side of the Master would the low pressure area be located?
This is not a suitable method to use with a Hurricane.
On the left side
On the right side
Straight ahead
On the figure 4 possible definitions of the term "AFT SPRING" are shown. Which one is the correct one?
Aft spring is defined as A on the figure
Aft spring is defined as B on the figure
Aft spring is defined as C on the figure
Aft spring is defined as D on the figure
Most fuel oil separtors working on the centrifuge principle have an automatic start up and sludging facility. Which of the following actions would you expect to occur first during the start up sequence?
Sealing water supplied to bowl to prevent carry over.
Operating water drained from bowl to open it.
Operating water supplied to bowl to close it
Fuel oil supplied to bowl to fill it.
What must be checked carefully before commencement of ballasting tanks on a bulk carrier, when operating in very cold conditions?
Air pipes and sounding pipe open
No special precautions need to be taken.
Air ventilator pipes closed.
All air ventilators are open and free from ice build up.
What is the meaning of "make fast"
To secure a rope
To coil a rope
To avoid all meals
To act quickly
What dangers are associated with the carriage of empty tank containers?
They may not declared as being empty when in fact they are not
They could easily collapse due to being empty
They may contain flammable cargo residue
They could explode if their vents are closed
What is the boiling temperature of methane at atmospheric pressure?
-43 C.
-162 C.
-152 C.
-172 C.
What are the minimum required air changes per hour for Special Category Spaces in cargo ships?
15
6
10
20
What would you do if you saw a stevedore starting to lash a container whilst other containers were being stowed above it?
Tell him to wait until overhead containers have been stowed
Inform the stevedoring foreman
Tell him to hurry
Inform the duty officer
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
Under international regulations what is required during bulk cargo operations?
Ships’ personnel must continuously monitor cargo operations
The Supercargo must continuously monitor cargo operations
Ships’ personnel must monitor cargo operations as and when required to do so
The terminal representative must continuously monitor cargo operations
Liquefied gas carriers and terminals must each have an Emergency Shut-Down (ESD) system. In the event of an emergency during loading which is normally the preferred order of operating these emergency shut down systems?
Operate both ESD systems together, simultaneously.
Operate the ship ESD system first.
Operate the terminal ESD system first.
There is no preferred order of operation for these systems.
Which of the following temperature sensors normally gives the highest measuring accuracy?
Thermocouple, NiCrNi
Thermistor, NTC
Resistance sensor, Pt100
Thermistor, PTC
According to "Summary of minimum requirements" in the IGC Code, what is the requirement for vapour detection for methane (LNG) cargoes?
Toxic vapour detection.
Flammable and toxic detection.
Flammable vapour detection.
Oxygen analyser.
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.
At what temperature should Intermediate Fuel Oil (IFO) 180 be maintained so as not to damage a bulk cargo of grain?
Between 40°C and 45°C
Below 35°C
Between 30°C and 35°C
Between 35°C and 40°C
What is the correct understanding of the term "Bottlescrew"?
A bottlescrew is the connection ring on the ships deck used to connect lashings and rigging
A bottlescrew is the threaded screw used to open large bottles
A bottlescrew is a metal threaded sleeve which adjusts the length and tension on rigging or stays
A bottlescrew is the special wire rope used to lash containers
This vessel is sighted ahead and slightly to port. What is her situation? What will you do?
This vessel is aground. I will navigate with extreme caution given the nature of the hazard.
This is a vessel not under command at anchor.
This is a vessel engaged in fishing vessel, with her nets fast on an obstruction. I will keep out of the way by rule 18 of the International Collision Regulations.
This is a vessel aground. She appears to have been headed to starboard of my track and I will therefore alter course to port, passing under her stern.
What term is applied to solid foods, commonly vegetables, that have been mashed and stirred until smooth?
Minced.
Paree.
Clarified.
Puree.
If properly secured what benefits do car carriers have over other ship types regarding seaworthiness?
They are not easily damaged in heavy weather
They can pitch to very large angles without taking in water viathe ramp doors
They can roll to very large angles without taking in water
Their large reserve buoyancy prevents capsizing
What would affect the proper functioning of a bridge fitting?
Pitting
A fully extended spindle
Lack of grease
Buckling
What can be measured by means of a manometer?
Strain
Temperature
Pressure
Motion
What is ‘Reserve Buoyancy’?
The buoyancy provided by all enclosed spaces above the waterline
The residual buoyancy at an angle of loll
The residual buoyancy at the maximum righting lever
The buoyancy provided by all spaces above the waterline
The overspeed shutdown is to be tested on a high speed four stroke diesel engine driving through a pneumatic clutch. The overspeed protection is provided by a solenoid operated dump valve in the governor servo system activated by an electrical signal from a small synchro motor. What is the preferred method of testing such a shutdown?
With the engine on a high or full load suddenly disengage the clutch.
Reduce the set point so the shutdown operates at normal engine speed.
With the engine off load manually increase the governor speed setting until the shutdown operates, reduce the shutdown set point if necessary.
Use a crowbar to lever the governor linkage to full fuel with the clutch disengaged and engine off load.
Which would be the most suitable point in the system to obtain a representative of diesel engine lubricating oil for analysis?
From the lubricating system pipeline on the discharge side of the circulating pump.
From the lubricating oil filter drain.
From the lubricating oil cooler drain.
From the lubricating oil purifier outlet.
What basic information do we get from the pump's flow-head curve?
We get information about the NPSH.
We get information about the pump's suction head.
We get information about the pump's back pressure.
We get information about the pump's lifting height and liquid flow.
What is likely to happen if a randomly hose is used for gas measurement?
The hose will most likely absorb hydrocarbon gases.
Nothing in particular.
The hose won't fit the indicator inlet ports.
The indicator will malfunction.
When loading a static accumulator oil, which of the following is a standard precaution applied to eliminate the risk of explosion through electrostatic charge in the tank?
No metallic sampling devices over 2 litres capacity should be permitted on the cargo deck at any time, unless thoroughly cleaned beforehand with soapy water
No metallic devices, such as those used for gauging and sampling, should be introduced into the tank during loading and for 30 minutes after completion of loading
No rubber containers over 1 litre capacity, such as those used for sampling, should be introduced into the tank between completion of loading and for 10 minutes after that time
No plastic, or plastic coated devices, such as those used for sampling or gauging, should be introduced into the tank unless bonded, at any time
How do you express the accuracy of an instrument
In % of full scale and to least significant digit
In % of gauge readings and to least significant digit
In % of deviation and to least significant digit
In % of range and to least significant digit
What name is given to the oriental cooking pan, with a small base and wide sloping sides, commonly used for "stir-fry" dishes?
Gok.
Wok.
Wack.
Wot.
*Generally speaking, what is the value commonly recognised as the maximum concentration of CO2 allowed in the breathing air of a breathing apparatus?
4%
5%
1000ppm
40.000ppm
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