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Home Online tests CES Oil tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Oil tanker vessel
Online testing: Test online CES 5.1 for MASTER / Ch-Officer, Oil tanker vessel
Online test
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The test consists of random questions on a selected topic.
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What is the meaning of this symbol ?
Start air supply
Release falls
Fasten seat belts
Secure hatches
The operating mode of a pyrotechnic signal depends essentially on:
Instructions or diagrams printed on its casing by the manufacturer
The fact that the user is on board a liferaft, a lifeboat or ship
The weather conditions of the moment
A definite standard process
Give the meaning of the following symbol
Lifeboat hand flare
Survival craft distress pyrotechnic signals
Rocket parachute flares
Line throwing appliance
What is a polar (liquid)?
A liquid that mixes with water
A liquid that conducts electricity
A liquid that emits flammable vapour
A liquid that doesn't mix with water
Which of the following are frequent causes of fires in accommodation?
1Smoking in bed. 2 Covering of electric fires with blankets. 3 Overloading electric plugs.
Covering of electric fires with blankets
Smoking in bed
Overloading electric plugs
*What is the maximum floor area that one smoke detector can cover?
74 m2
45 m.2
37 m2
20 m2
In case a fire alarm is sounded from the bridge, what action would you take as Engineer on Duty?
Start the fire pump
Contact the bridge by telephone and ask for instructions
Report to the muster station
Stop the engines
When the fire alarm signal is sounded every member of the ship's crew shall immediately proceed to their assigned fire station. Which one of the following signals is used as fire alarm signal on board cargo ships?
Intermittent signals by the ship's alarm bells.
Continuous blasts (very long blasts) by the ship's whistle and alarm bells.
Seven short blasts followed by one long blast by the ship's whistle and alarm bells.
One long blast with the ship's whistle and alarm bells followed by seven short blasts.
What is the minimum number of fireman's outfits that must be provided on a tanker?
3
1
4
2
A wire aerial for an MF/HF –transmitter must be suspended between isolators:
to prevent contact with earth
to make the ………way for aerial currents as long as possible
to prevent burns when touching the aerial
Don't know
After confirmation that there is no other radio-traffic, we call on a VHF working channel of a coast-station. When you don’t get any reply:
you must wait 3 minutes minimum before repeating your call
you must wait 1 minute minimum before repeating your call
Don't know
you can repeat your call immediately
Who is responsible for the vessel's radio station and mandatory radio routines?
The master.
Statutory authorities.
The owners.
The radio officer.
You are witnessing someone about to faint. What are the symptoms ?
The person may be very pale, and pulse is slow at first and weak.
The person starts to talk a lot and seems superactive.
The pulse is very fast and the person is getting cold.
Red face and big eyes.
It is important that a compress is done correctly. One of the alternative signs , after completed compress bandage, shows that the bandage may be to tight. Which one?
Swelling above the bandage.
Blue colour of the skin above the bandage.
Heartbeat increase and a dizzy feeling.
Swelling below the bandage and heavy pain.
What should be observed concerning a ship's water tight integrity?
That all vessel-s water tight ramps and doors are locked and secured at sea.
All emergency exits doors locked and secured
The aft door locked
The ramp in stowed position
Give the meaning of the following symbol
Wheeled fire extinguisher
None of the above
Portable fire extinguisher
Fire alarm
What would you say about a ship which is course unstable?
When you apply rudder, it will take time before she answers to it.
When you put rudder amidship, she will continue on a straight course.
It will maintain course no matter how much rudder you apply.
When you apply rudder, she will continue to turn when the rudder is put amidship, and may even increase rate of turn.
When ship to ship operations are being carried out at anchor, anchor watch duties are as follows irrespective of which ships anchor is down:
Anchor watch responsibility rests with the offtake vessel.
Anchor watch responsibility rests with the discharging vessel (which, we shall assume, has its anchor down).
Anchor watch responsibility rests with both vessels, each with its own watch.
Anchor watch not kept as duty officer will be on deck.
Who is authorized to prescribe use of locomotives and canal deck-hands during transit of the Panama Canal?
The Cristobal or Balboa harbour masters respectively.
The master.
The Canal authorities.
The pilot.
If a shipping company wants to be attractive to clients, it must be able to provide?
Provide efficient and reliable service
Safe operation
Provide minimum loss
On schedule operations
Under GMDSS rules the trading area A1 can be considered to be:
Within range of VHF coast radio stations.
Within the coverage of INMARSAT.
Within range of MF coast radio stations.
Polar region.
Which one of the listed entries in the radio log for radiotelephone station do not correspond to present regulations? Entries in the radio log shall include:
the time when a listening watch begins
the condition and results of tests of the main radiotelegraph installation
the time at which a listening watch is discontinued, and the reason
details of maintenance of batteries, including a record of charging
The responsibility for the transmitting equipment lies with the:
Duty officer
Shipping company (owner)
User of the installation
The Master
Inter-ship traffic at sea should preferably take place on:
Don't know
VHF channel 10 or 13
VHF channel 06 or 08
VHF channel 77 or 72
Define the class of emission H3E :
Radiotelex and DSC - Frequency shift keying of carrier with error correction
Radiotelephony - Frequency modulation
Radiotelephony - Single sideband full carrier
Radiotelex and DSC - Frequency shift keying of sub-carrier with error correction
Define the class of emission F1B :
Radiotelephony - Single sideband suppressed carrier
Radiotelex and DSC - Frequency shift keying of sub-carrier with error correction
Radiotelephony - Frequency modulation
Radiotelex and DSC - Frequency shift keying of carrier with error correction
Give the meaning of this symbol:
lifebuoy with light and hand flare
lifebuoy with light and smoke
lifebuoy with light and water dye marker
lifebuoy with smoke and automatic sound signal
Give the meaning of the following symbol:
lower liferaft to water
evacuation slide
davit-launched liferaft
liferaft without canopy
An immersion suit will not sustain burning or continue melting after being totally enveloped in a fire for a period of:
20 sec
10 sec
1min
2 sec
A person wearing an anti-exposure suit shall be able to:
don and remove the suit in the water in no more than 5min. if it impairs ability to swim
swim through the water at least 25m and board a survival craft
jump from a height equal to that of the stowage of liferafts arranged to be thrown overboard
dive into the water to the maximum draft of craft that the ship is provided with
Which among the following list is particularly required for a totally enclosed lifeboat ?
windows on both sides can be closed watertight and opened for ventilationc
access hatches which can be closed watertight
self-bailing arrangementsd
handrails inside for persons moving to their seats
Which item among those below is included in the normal equipment of every lifeboat ?
one copy of the prescribed life-saving signals
one immersion suit for each person
sea-charts and navigating equipment
a VHF transceiverb
You are starting to get low on water in the lifeboat. What should you do?
Drink urine
Mix sea water with 50% fresh water
Use sea water
Collect rain water
*What is the meaning of this symbol ?
Lower liferaft to water
Release gripes
Lower rescue boat to water
Lower lifeboat to water
How many two-way VHFs is required for ships over 500 brutto?
3 sets
One per lifeboat and one spare
1set
None
What is the meaning of this symbol ?
Survival craft portable radio
Radar transponder
Survival craft pyrotechnic distress signals
EPIRB
On board passenger ships an abandon ship drill must be performed:
Every week
Every month
Every three months
Every two weeks
Your vessel has been in involved in a collision with an other vessel. As Master responsible for the ship and persons on board, what is the first step to take?
Organise someone to assess the extent of damage and the residual stability of the vessel.
Determine is there is any evidence of pollution.
Determine any injuries or deaths of persons on board
Communicate with the other ship.
Which electronic component does this graphical symbol represent?
Diode
Transistor
Silicon controlled rectifier
Tunnel diode
Which type of compressors is used as cargo compressors onboard gas carriers?
Piston, screw and centrifugal type compressors.
Oil free piston compressors.
Three stage piston compressors.
Three stage screw compressors.
If an inhibitor is added to an oil cargo, which of the following is a summary list of items to be included on its accompanying certificate?
Inhibitor name; amount added; date added; period of efficiency; precautions if voyage length exceeds that period; eventual temperature limitation.
Inhibitor class; amount added; date of expiry; minimum period of optimum efficiency; precautions to be taken when added; minimum temperature requirement.
Inhibitor class; percentage blended; date added; maximum period of efficiency and applicable temperature limits; maximum storage period on board; contact number of manufacturer.
Inhibitor name; percentage applied; date of expiry; precautions to be taken on voyage and interval of application; maximum temperature at which continuously effective.
What standing orders must be issued to engineers with regard to fuel oil tanks located below vehicle decks?
Never to heat fuel oil to more than 50?C
Never to heat fuel oil to more than 45?C
Never to heat fuel oil to more than 55?C
Never to heat fuel oil to more than what is specified for the vessel
What will alarm cargo receivers to the possibility of cargo damage on a Bulk Carrier?
Commencing discharge without presentation of bills) of lading
Disallowing cargo interests on board
Commencing discharge in the absence of a cargo surveyor
The presence of hatch cover sealing tapes
What does the Chief Officer want the 1st Engineer to do?
The Chief Officer wants to speak to the 1st Engineer
The Chief Officer wants the 1st Engineer to empty side tank No. 2
The Chief Officer wants the 1st Engineer to put the hydraulic hand pump in bilge No. 5
The Chief Officer wants the 1st Engineer to empty the starboard bilge in hold No. 5
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
Some 4-stroke engines are fitted with a rotorcap on the cylinder head valves. For what reason?
Rotate the inlet valve during operation.
To prevent the valve spindel to stick..
Distribute the exhaust gas or the air inlet better to improve combustion.
Improve the scaling surface function, increase the service time of the exhaust valve in the engine.
The purpose of profiling is to?
Categorize people based on their nationality and ethnicity.
Make judgements about people based on heir appearance.
Identify different personality types.
Get beneath the outer shell of an individual to obtain a more complete picture.
On a Container vessel, what is the purpose of fixed stacking cones?
To prevent the horizontal movement of 40'containers at tank top level
To prevent horizontal movement of 20'containers in 40' cell guides
To prevent movement of 20'and 40' containers at deck level
To prevent the horizontal movement of 20'containers at tank top level
When we are measuring viscosity with a restricted flow viscometer, the preerred sensing device is:
Capillary tube
Bourdon tube
Capacitance probe
Rotating cylinder
How many hours before departure should the ship's steering gear be checked and tested?
Within 12 hours
Within 96 hours
Within 1 hour
Within 48 hours
Which of the following ship motions complements the natural springing tendency of Ro-Ro cargoes?
Heaving
Yawing
Surging
Roling
A Bulk Vessel is to load a cargo of grain; pre loading calculations show that IMO stability criteria cannot be achieved; the vessel should do which of the following?
The grain surfaces in some or all of the cargo spaces must be secured
The cargo can still be loaded
An exemption certificate must be applied for
The vessel will be unable to load the cargo
After carrying petcoke why would the discharge of cargo hold washing have to be restricted?
Because the cargo residue may not pass through the ship’s bilge system
Because the cargo hold washing would constitute an Oily Mixture
Because the cargo hold washing would constitute a Marine Pollutant
Because the cargo residue may damage the ship’s bilge system
The arrival ballast water must contain maximum 15ppm (parts pr. million) of oil to fulfil the regulations in force. How many ppm is 1% by volume.
1000 ppm.
100 ppm.
100000 ppm.
10000 ppm.
Is it allowed to gas up LPG on inert gas atmosphere?
We are not allowed to gas up LPG on inert gas
We are allowed to gas up LPG on inert gas if the inert gas contain less than 5% volume oxygen
We are allowed to gas up LPG on inert gas if the charterer do not instruct the vessel to use nitrogen
We are not allowed to gas up LPG on inert gas if the inert gas contain less than 5% volume oxygen
Based upon what factors is Seed Cake categorised in the Code of Safe Practice for Solid Bulk Cargoes (BC Code)?
The extraction process, oil and moisture content
Oil and moisture content
Temperature during extraction, oil and moisture content
Temperature during extraction and moisture content
By what name are the regulations which control the discharge of noxious substances and prevent pollution from ships known?
SOLAS
The International Marine Pollution Prevention Laws
ISGOTT
MARPOL
With reference to the installation of pressure gauges for steam systems. Complete the following statement from the options given. To protect a bourdon tube type pressure gauge which is to be fitted to a steam line it should ….
..be fitted directly to the steam pipe.
..be fitted to the steam pipe using a flexible hose.
..be fitted with a siphon loop between it and the steam pipe.
..have its casing filled with water.
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.
How many hours before departure should the ship's steering gear be checked and tested?
Within 96 hours
Within 48 hours
Within 12 hours
Within 1 hour
What is the most important factor in the master's ability to make good decisions in an emergency?
Input from company personnel
Planning of emergency procedures
Feedback from the crew
Following safety regulations
The instrument air system is suffering from excess water carry over to the instrument air lines. The air intake to the compressor has very high humidity. Which of the actions given in the options will most likely result in reducing this problem?
Use an additional coalescer filter in the inlet to the instrument air filter system.
Shorten the time between automatic receiver drain blow downs.
Reduce the superheat setting on the instrument air refrigeration/dryer unit.
Increase the cooling water flow through the compressor intercooler and aftercooler.
By what means can we monitor and control the integrity of the hull?
Let experienced personnel close and secure doors and ramps
Automatic detection systems, television surveillance and patrolling
Documented operating procedures
The chief officer is responsible for monitoring the integrity of the hull and superstructure at all times
During cargo tank gassing up and cooling down operations on an LNG carrier which of the given options, regarding temperature, needs to be observed?
Always control the vaporisers so that the temperature of methane vapour is lower than existing tank atmosphere temperature.
Never allow temperature of the insulation to fall below the safe minimum temperature.
Always control the outlet temperature of methane from the vaporiser.
Always control the temperature in the shore supply line.
When would you not expect large roll amplitudes on a Panamax container ship?
When the ship is experiencing near head seas.
When the ship is experiencing seas 45? on the bow.
When the ship is running before the seas
When the ship is experiencing beam seas
What is meant by the term 'hold space' in relation to a liquefied gas carrier?
The space where the ballast tanks are situated.
The space enclosed by the ship's structure in which a cargo containment system is situated
The space between the individual cargo tanks.
The space where the cargo is carried.
The range of a transducer is 0-200 bar. The output signal is 4-20 mA. What is the span of the output signal.
20 mA
4 mA
24 mA
16 mA
If an enclosed space needs to be entered, what is the first thing that must be done?
A responsible person must be appointed
The chief officer must be asked for permission to enter the space
A full Risk Assessment must be caried out
Two crew members must be asked to stand-by outside the space
In bulk carrier design what constitutes the main structural strength element?
The deck plating and shell frames
The collision bulkhead
The shell plating
The transverse watertight bulkheads
The Chief officer of a General Cargo Vessel has instructed that ballast tanks must not be allowed to overflow when ballasting alongside. Which of the following is of the greatest concern?
Overflowing ballast water running over side and onto quay resulting in possible damage to shore equipment
Ballast water flowing back into dock
Over pressurising the tank top
Tanks being filled incorrectly
A U tube manometer is used to measure the pressure delivered by a ventilation fan. Following replacement of the fan by a larger unit with a higher delivery rate and pressure the liquid is blown out of the open end of the manometer. Which of the options given will allow the manometer to be used to measure the delivery pressure of the larger fan?
Connect the open end to the inlet trunking of the fan to measure the differential pressure rather than the delivery pressure.
Refill the manometer with a reduced the amount of liquid.
Refill the manometer with liquid with a higher density.
Refill the manometer with liquid with a higher viscosity
On a Container vessel, what will happen if an unsafe stevedore working practice in the United States is not corrected by ship's personnel?
The port will lodge a protest against the ship
The ship will be detained by the port state control authority
The ship will be prosecuted
The ship's personnel involved with cargo operations will be arrested
The figures show a graphical symbol for a particular electronic component and a typical operating characteristic for the same. Which component?
Zener diode
Transistor
Tunnel diode
Thyristor
During overhaul of a purifier the engine room rating is instructed to drain and clean the gearbox on the machine. Which of the materials given in the options is the best one for wiping up the remaining oil in the gearbox after draining the oil?
Clean, lint free cotton rags.
Used paper towels from the wash room.
Used dish cloths from the galley.
Clean cotton waste.
The Classes drawn up by the UN Committee of Experts for the safe handling of hazardous substances, as listed in the IMDG Code, are drawn up on the basis of which of the following criteria?
Chronological order in which they have been assessed.
Selective laboratory tests commissioned by the Committee.
Alphabetical order.
The type of hazard they present.
Prior to removing the access doors to a pressure vessel for internal maintenance it should be ensured that all pressure has been relieved. As well as a zero indication on a pressure gauge which other measure, from the options given should be taken to confirm this prior to commencing the work?
Open the drain valve when the gauge reads zero to check that there is no outflow.
Open the drain valve and when the outflow stops slacken off the drain valve flange bolts and 'crack' open the flange in case the drain is blocked.
Open the drain valve while pressure still shows on the gauge and to check it is clear. Outflow should cease as the pressure gauge reaches zero.
Back of the tensioning device for the relief valve to vent the pressure to atmosphere.
What is the difference between a "VLCC" and a "ULCC"?
Tankers between 125,000 tonnes and 250,000 tonnes deadweight are classified as "VLCC"s while those above 250,000 tonnes are classified as "ULCC"s.
Tankers between 200,000 and 300,000 tonnes deadweight are classified as "VLCC"s while those above 300,000 tonnes are classified as "ULCC"s.
Tankers with a loaded draught of between 17.8 and 23.1 metres are classified as "ULCC"s, while those with a draught in excess of 23 metres are classified as "ULCC"s.
Large tankers that are able to pass through the Suez Canal are classified as "VLCC"s. Those which are too deep to transit the Canal are classified as "ULCC"s.
When should the Second Officer call the Master?
The Second Officer should call the Master whenever he sights more than three ships
The Second Officer should call the Master just before breakfast
The Second Officer should call the Master thirty minutes prior to the vessel's arrival at the pilot station
The Second Officer should call the Master whenever anything unusual happens during his watch or whever he is in doubt, regarding the COLREGs
All passenger ships are divided into vertical ’zones’. What is the purpose of this?
This is firezones which can be divided from eachother with firedoors. If a fire start in one zone, all firedoors in front and aft of the fire will be closed from the bridge to stop the smoke and fire from spreading.
Vertical zones are separated with firedoors which will be closed automatically when the firealarm start.
There is one fireteam in each zone
All vertical zones are separated with waterthight doors, which will be closed in the case of a grounding, etc.
Where can the information be found as to what actual cargoes a liquefied gas carrier can carry?
Safety Construction Certificate.
Certificate of Fitness.
Safety Equipment Certificate.
SOLAS.
During replacement of the diesel engine cylinder cover following maintenance some manufacturers recommend that different torques are applied to some of the cylinder cover stud nuts. Select the option which is most likely to be the reason for this?
Temperature variations across the cylinder cover result in uneven thermal loads on the studs.
Pressure variations in the cylinder result in uneven mechanical loads on the cylinder cover studs.
The cylinder cover stud nuts that are most awkward to get at are always tightened more in case they become loose during engine operation.
The last of the cylinder cover stud nuts need to be tightened more to even out the load on the cylinder cover gasket.
A pallet of chilled cargo is made up by placing cartons on top of each other in tiers. Banding straps are then placed tightly around the cartons in way of robust, vertical cardboard corner pieces. Which of the given options is the main purpose of having these corner pieces?
The colour of the corner pieces indicates the carriage temperature of the cargo on the pallet.
The corner pieces reduce chafing against adjacent pallets.
The corner pieces add rigidity and strength to the stow of cartons on the pallet.
The length of the corner pieces acts as a guide for the height of the pallet.
A tachometer for a diesel engine is reading erratically. The tachometer is of the non-contact type using magnetic proximity switches to generate the signal. What is the most likely cause of this problem?
The shaft magnet has fallen off.
The proximity switch has dirt on the outside casing.
The shaft magnet has become demagnetised.
The proximity switch is loose on its mounting.
What should you ensure prior to battening down hatches for sea passage?
That cargo hold bilges are empty
That cargo clusters have been removed from all cargo spaces
That cargoes have been stowed according to the stowage plan
That hatch ventilators have been closed
U-tube manometers are often used to measure differential pressure. Which of the listed pressures is U-tube manometers mostly used for?
High differential pressures
Low differential pressures
Absolute zero pressure
Cargo pressure
In respect of exposure to vapours from oil cargoes, how is the value of "Short Term Exposure Limit" determined?
The airborne concentration of a toxic substance averaged over any 25 minute period, usually expressed in ppm.
The airborne concentration of a toxic substance averaged over any 30 minute period, usually expressed in ppm.
The airborne concentration of a toxic substance averaged over any 10 minute period, usually expressed in ppm.
The airborne concentration of a toxic substance averaged over any 15 minute period, usually expressed in ppm.
As part of a survey of a main steam boiler it is necessary to check the condition of the steam drum. What would be the preferred method for checking drum shell thickness in such a situation?
Drill a test hole in the shell to accurately measure the thickness.
Use magnetic particle inspection equipment.
Use dye penetrant tester.
Use ultrasound equipment.
What is the greatest danger associated with the carriage of chemicals?
Leakage from the carrying receptacles
Outbreak of fire
Evaporation
Reaction with the carrying receptacles
What would be considered to be the normal service life for rolling contact bearings fitted to a large turbocharger for a diesel engine?
At least 30000 hours.
20000 - 25000 hours.
8000 - 12000 hours.
1000 - 3000hours.
Inert gas should be supplied with an oxygen content of less than:
11 %
2 %
21 %
5 %
This online test consists of 90 random questions from CES 5.1 tests on a topic of your choice.