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Home Online tests CES Oil tanker 2nd-Off / 3rd-Off Test online CES 5.1 for 2nd-Off / 3rd-Off, Oil tanker vessel
Online testing: Test online CES 5.1 for 2nd-Off / 3rd-Off, Oil tanker vessel
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The pyrotechnics used to transmit visual signals to other vessels, boats or aircrafts are of the following type
buoyant smoke signal
hand flare
rocket parachute flare
all of the above-mentioned
*A bulkhead of the "A" class must:
Be suitably stiffened
Be constructed of steel or other equivalent material
Comply with all the requirements listed here
Prevent passage of smoke and flame till the end of a one-hour standard fire test
Apart from red, what other colour is frequently used for a dry powder extinguisher?
Green
Black
Blue
Yellow
What is the minimum number of independently driven fire pumps that must be provided on general cargo ships of 1000 gross tonnage and upwards?
4
1
2
3
*What is the minimum capacity of the portable tank of a portable foam applicator ?
5 litres
1litre
10 litres
20 litres
The position that is determined by built in GPS-receiver in an Inmarsat-EPIRB has an accuracy of about:
1200 meters
2200 meters
4200 meters
200 meters
COTP can request (OPA-90)
Maximum one drill a year
Maximum two drills a year
Unannounced drills at any time
Participation in all announced drills
Treatment of burns and scalds depends on the severity of the injury. What is the correct thing to do for minor burns and scalds?
Place the injured part under slowly running cold water for at least 10 minutes, but preferably until the pain is gone. If no water is available, use any cold, harmless liquid.
Remove all sticky clothing from the casualty.
Break blisters, remove any loose skin or foreign objects from the injured area.
Apply lotions, ointments or fat to the injury.
What is the most important way to contain small oil-spills from cargo operations on the ship?
Have ample room in the drip-tray by the manifold
Have Sandpiper pumps rigged on the aft part of the tank deck
Have sawdust located by the manifold
Have all scuppers plugged
Small oil spills on deck can be kept from going overboard by doing what?
Plugging the scuppers
Closing the lids on the vents
Plugging the sounding pipes
Driving wooden plugs into the vents
Are there any restrictions about how much sludge we can pump overboard on the sea voyage?
Maximum is 30 litre pr nautical mile and total is 1/10000 part of full cargo on the ballast voyage.
Maximum is 30 litre pr nautical mile and total is 1/30000 part of full cargo on the ballast voyage.
Maximum is 60 litre pr nautical mile and total is 1/30000 part of full cargo on the ballast voyage.
There isn’t any restrictions of pumping sludge from ships outside special areas
When cross-flooding arrangements to correct unsymmetrical flooding and excessive heel angels in damaged condition are installed in passenger ships, what is the maximum time allowed for equalization?
15 minutes
30 minutes
20 minutes
10 minutes
In celestial navigation the angle measured westward from the first point of aries to the hour circle of the body along the celestial equator is known as:
Greenwich hour angle
Sidereal hour angle
Local sidereal time
Azimuth angle
Give the meaning of the following symbol
Foam installation
Sprinkler installation
Powder installation
Portable foam installation
What is the vessel that has the local command in a rescue operation called?
Commander of Operation
Local Rescue Commander
On Scene Commander
Commander of Rescue Operation
When a conventional rudder is put hard over it creates a lift force and a drag force. When the ship has started to turn, how much lift force do you think remains if the rudder-angle is decreased to 20 degrees from hard over position (35 degrees)?
About 80 %.
About 10 %.
About 50 %.
About 30 %.
The ship has a right-handed propeller and is swinging to starboard when the engines are slow ahead and the rudder is to starboard. The engines are stopped and the rate of swing rapidly slows down. How could the swing to starboard be maintained without the ship making much headway.
Astern on the engines will allow Transverse Thrust to continue the swing
By applying the rudder hard over to starboard and going ahead on the engines.
The only effective method is by using the bow thruster to push the bow to starboard.
Transverse Thrust will reduce the swing and therefore a kick ahead is necessary with full starboard helm applied.
Can RNC charts be used for voyage planning?
Only in conjunction with paper charts
Only if approved by the flag state
No
Yes
Which one of the listed requirements regarding line throwing appliances do not correspond to present regulations? Every line throwing appliance shall:
be capable of carrying the line with reasonable accuracy
have projectiles (rockets) capable of carrying the line at least 230 m in calm weather
have a sufficient length of non-combustible line behind the rocket
have brief instruction or diagram illustrating the use of the line throwing apparatus
Which one of the listed requirements regarding the general emergency alarm system do not correspond to present regulations? The general emergency alarm system shall:
be capable of operation from fire stations aboard the ship
be able of sounding the emergency alarm signal by the ships whistle or siren, and additionally on electrically operated bells or claxons
be audible through all accommodation and crew working spaces
have electric alarm bells (or claxons) powered from the ship-s main and emergency sources of electric power
Which one of the listed requirements regarding immersion suits do not correspond to present regulations? The immersion suit shall be made of waterproof materials and constructed such that:
it will cover the whole body with the exception of the face
it can be unpacked and donned without assistance within 2 minutes
it will have sufficient built in buoyancy to avoid the use of a lifejacket
it is provided with arrangements to reduce free air in the legs of the suit
What equipment and accessories are provided in a liferaft to help you keep warm in cold weather ?
thermal protective aids for each person
the floor of the raft has a second layer which can be inflated to help insulation, in addition to the thermal protective aids (10% of complement, minimum 2)
two life jackets and two thermal protective aids
two immersion suits and the floor of the raft which has a second layer which can be inflated to give additional insulation from the cold water
Which one of the listed requirements regarding rescue boat equipment do not correspond to present regulations? The normal equipment of every rescue boat shall include:
a first-aid outfit in a watertight case
an efficient radar reflector
immersion suits for the number of persons the boat is permitted to accommodate
two buoyant rescue quoits attached to not less than 30m of line
What is the meaning of this symbol ?
Start water-spray
Start engine
Start air supply
Lower lifeboat to water
How often should an inflatable liferaft be serviced at an approved service station?
Every 5 years
Every 24 months
Every 12 months
Every 6 months
What will you bring in a lifeboat if the ship is abondoned?
As much biscuit and canned food as possible.
Warm clothes, blankets and lifevests.
All pets that will most likely not be able to enter the boat by themselves.
All valuables like money, jewelry etc.
How many 'thermal protective aids' are required to be carried on passenger vessels with open lifeboats?
One for each person on board who is not provided with an immersion suit
Each lifeboat should carry the same number of thermal protective aids as the number of persons it is designed to carry
They are not required, providing the boat has a canvas canopy which can be rigged in cold weather
10 in each lifeboat
*What is the meaning of this symbol ?
Lower liferaft to water
Release gripes
Lower rescue boat to water
Lower lifeboat to water
*Give the meaning of the following symbol
Start water spray
Start engine
Start lowering the lifeboat to water
Start air supply
The rescue quoit of a liferaft is attached to a buoyant line whose length is at least:
5 m
50 m
30 m
10 m
When passenger ships are engaged on international voyages (except for short ones) musters of the passengers must be performed within
1week after their embarkation
24h after their embarkation
48h after their embarkation
immediately after their embarkation
The ship is involved in a collision, what is the immediate action by the Officer of the Watch after the incident has taken place?
Call the Master and check the position for any immediate dangers.
Stop engines and check over the side for any signs of pollution.
Sound the General Alarm and stop engines.
Contact the other ship and send the bridge lookout down to start taking soundings
A section of seawater pipe has been removed for maintenance. When refittingthe pipe after completing the work the bolt holes in the flanges are found to be misaligned. What procedure should be followed to finish the work?
Use wooden wedges to force and hold the pipe into the correct position and then fit the bolts.
Use a chain block to pull the pipe flanges into alignment and leave it in place after the bolts are fitted to avoid overstressing the bolts.
Adjacent pipework should be slackened off to allow the pipe to be aligned. Any incorrectly positioned brackets should be adjusted after the pipe is refitted.
Force the pipe into position and then hammer the bolts into the holes to hold the pipe flanges into alignment.
When carrying LNG cargoes it is useful to have information about its thermodynamic properties. What is a common source of information that can be used to obtain values for a wide range of these properties?
The IGC code.
The cargo manifest.
Material safety data sheet.
A Mollier chart.
On some trades fruit cargoes may be subjected to 'in-transit cold treatment' also known as cold treatment. From the options given which is the main purpose of this cold treatment?
To maintain a specified minimum temperature for a prescribed time period to kill off any fruit fly which may be present when loading the cargo.
To maintain the temperature of the fruit within very tight tolerances.
To ensure that the fruit is carried as cold as possible without damaging the fruit.
To achieve uniform quality of the fruit at discharge.
On a Container vessel, what is the function of double stacking cones?
To link adjacent container stacks together particularly those in line with buttresses
To link out-of-gauge container stacks together
To lock containers horizontally
To lock adjacent container stacks together
Under which regulations would steel banding remaining in a cargo hold have to be discharged?
Port state regulations applicable at the port of departure
Port state regulations applicable at the port of destination
MARPOL 73/78 (Annex IV – Regulations for the prevention of pollution by sewage from ships)
MARPOL 73/78 (Annex V - Regulations for the prevention of pollution by garbage from ships)
What is Inert Gas?
It is a gas containing insufficient oxygen to support the combustion of hydrocarbons.
It is a gas containing too much hydrocarbon vapour to support combustion.
It is a gas containing no oxygen.
It is a gas containing less than 21% by volume oxygen.
What is the purpose of the decanting line between two slop tanks on an oil tanker that is using water for the washing of the cargo tanks?
To enable the filling of the secondary slop tank via the primary slop tank.
To enable most of the recovered oil to be retained in the primary slop tank, while the cleaner part of the water will flow into the secondary slop tank, where it can be re-used as wash-water.
To enable both the primary and secondary slop tank to be filled without using the main cargo lines.
To avoid a build-up of static electricity during water washing, caused by air being drawn in as the primary slop tank empties.
What is the objective of the merchant navy?
To earn money for the shipowner
To provide employment for persons who wish to become seafarers
To safely transport goods by sea
To transport and deliver goods as quickly as possible
Why does a ship move laterally (sideward drift) when turning.
The ship moves sidewards because of all the external forces on the vessels hull.
Because the pivot point is not at the centre of the ship
Because the turning moment is created by the rudder, which is positioned at the stern of the vessel
The ship moves laterally because it always tries to continue in a straight line.
What is the purpose of the air distributor in a diesel engine air start system?
To ensure the air consumption from each of the main air receivers is equally distributed.
To ensure that the automatic valve in the air start system opens and closes at the correct time.
To ensure that the start air is distributed equally to the each of the engine cylinders.
To ensure the cylinder air start valves operate in the correct sequence and for the correct period.
What should you ensure prior to closing hatch covers when preparing to sail on a General Cargo vessel?
That all track ways are clear of obstructions
The vessel is upright
That cargo hold bilges are empty
That cargoes have been stowed according to the stowage plan
Modern slow speed, two stroke diesel engines often have locating pins or pegs to keep the piston rings in a fixed position. Why is this arrangement used?
It ensures the rings cannot be mixed up and that they are fitted in the correct order on the piston.
It avoids the risk of the ends of the piston rings being forced out by the gas pressure and catching on the scavenge ports.
The piston ring gaps can be kept in line to control the gas pressure on each of the rings.
The piston rings are more difficult to lubricate because of the slow operating speeds and will wear more quickly if they are allowed to rotate.
MARPOL Annex VI and IMO MSC Circ 585 "Standards for Vapour Emission Control Systems" require that P/V valves in such a system on an oil tanker should relieve the pressure or vacuum once they reach specified levels in a cargo tank. The design is approved by the administration, but what are the usual pressure and vacuum levels required to activate the P/V valves?
Pressure 7 psi (0.048 bar) Vacuum: 1 psi (0.069 bar)
Pressure: 3.2 psi (0.22 bar) Vacuum: 1 psi (0.069 bar)
Pressure: 1 psi (0.069 bar) Vacuum: 0.5 psi (0.034 bar)
Pressure: 0.5 psi (0.034 bar) Vacuum: 0.2 psi (0.014 bar)
Which function is this circuit performing?
Modulating
Differentiating
Telemetering
Integrating
What is the purpose of a dovetail foundation?
To secure double stacking cones
To lock adjacent containers together
To secure base twistlocks
To secure a single stacking cone
Despite shipping lines having hulls coloured in the company livery colours e.g. black, blue, green, etc. refrigerated containers are now usually painted white. Which of the options given is the main reason for this?
White paint is cheaper than coloured paint.
White painted containers reduce the load on the refrigeration plant.
White coloured containers are more aesthetically pleasing.
White is synonymous with hygiene and cleanliness.
If a cargo is heated, which of the following happens?
Its weight does not change, but its volume increases - it expands.
Its volume does not change, but its weight decreases - it gets lighter.
Its weight does not change, but its volume decreases - it contracts.
Its volume does not change, but its weight increases - it gets heavier.
On a RoRo vessel, what additional securing arrangements should be used when loading a vehicle on an incline or fixed Ramp
Double the normal lashings should be used
None
The Vehicle should also be chocked under its wheels
A high speed diesel engine operates with a monobloc inline high pressure fuel pump consisting of a number of helical type pump units contained in a single housing. From the options given select the method which is the most common one available for adjusting the fuel timing onboard where no specialist setting up equipment is available.
Adjustment of the HP fuel block by adding or removing shims between the pump and the engine block.
Adjustment of the height of the individual fuel pump elements within the pump block
Adjustment of the drive coupling to the driven coupling for the HP fuel pump using reference marks to No 1 cylinder TDC.
Adjustment of the fuel rack position for the complete HP pump unit.
A standard convention for a 4 deck reefer vessel is to designate the decks A to D from upper to lower deck. Decks A and B common as are C and D with a gas tight seal between B and C. Apples are to be carried in decks C and D with bananas in A and B. Which of the options is the best to avoid the risk of crossover of temperature and respiration between the two cargoes?
Create a pressure differential with a higher pressure in decks A and B.
Create a pressure differential with a higher pressure in decks C and D.
Run the cargo fans intermittently in one of the spaces.
Operate the two spaces at equal pressures as the cargoes are compatible.
What function is this operational amplifier circuit performing?
Integrator
Differentiator
Non-inverting amplifier
Inverting amplifier
This circuit is widely used for rectification of AC into DC. Which of the diagrams is correct for the out- put voltage when the input voltage is sine-shaped as shown?
Figure 3
Figure 1
Figure 2
Figure 4
Which of the following type of crude oil requires special consideration in terms of carriage and cleaning?
Medium Crude.
Paraffinic Crude.
Reconstituted Crude.
Sweet Crude.
Which function is this operational amplifier circuit performing?
Integrator
Differentiator
Non-inverting amplifier
Inverting amplifier
Which special regulations cover transportation of solid Bulk cargoes?
The cargo securing manual
Classification Society Rules
The timber deck cargo code published by IMO
IMO Bulk Cargoes Code (BC) and the IMO International Maritime Solid Bulk Cargo Code( IMSBC)
What is the correct definition of "lee side"?
Port side.
The side from the wind.
The side against the wind.
Starboard side.
When can semi-automatic twistlocks be used, under the U.S. Occupational Safety and Health Administration (OSHA) regulations?
When used to lock three empty intermodal containers that are to be lifted, one on top of the other
To secure on-deck containers in the first and last container bays
When used to lock two empty intermodal containers that are to be lifted, one on top of the other
To secure all on-deck containers
Which statement is correct for a fire door class "A-60"?
Class "A-60" fire doors shall prevent the passage of smoke and flame and the average temperature of the unexposed side shall not rise more than 180 degrees Celsius within 60 minutes
Class "A-60" fire doors shall be capable of preventing the passage of flame for minimum 60 minutes
Class "A-60" fire doors must be closed within 60 seconds
It is a requirement to keep class "A-60" fire doors closed for minimum 60 minutes
What indicates the correct weight of a wrongly declared container?
The container CSC plate
The ship’s loading computer
Strain gauges fitted to the shore gantry cranes
The tare weight stamped on the container
A bulk cargo is loaded and the shore cargo figure is 10 000 tonnes; the chief officer calculates 9 500 tonnes have been loaded; what should the Master do?
Bills of Lading to be signed "Clean" by Master.
Inform Designated Person Ashore( DPA)
No action to be taken
Ask for a draft survey to be carried in the presence of P& I Club representative
Three earth lamps indicate - bright - bright - dark. Which of the following is indicated by this condition?
Two phases are good and one has a partial fault to earth
Two phases are good and one has a hard fault to earth
No faults on the system but a failed lamp
Two phases have a partial fault to earth and one is good
On the figure 4 possible definitions of the term "WINDLASS" are given. Which one is the correct one?
Windlass is given by A on the figure
Windlass is given by B on the figure
Windlass is given by C on the figure
Windlass is given by D on the figure
Following repair and refitting of the seawater pipe for the fresh water generator feed line the rating assisting with the work notices that one of the flange joints is leaking. What action should be taken by the rating?
Check the bolts are correctly tightened before informing the engineer so that the flange faces can be cleaned and re-jointed if necessary.
Shut off the water and apply silicon or other sealing compound to the outer edge of the flange joint.
Use a spanner with an extension pipe to try and stop the leak by tightening the flange bolts as much as possible.
Use a hammer and flogging spanner to try and stop the leak by tightening the flange bolts as much as possible.
How is body language generally communicated?
the tone of your voice
looking at someone directly in the eyes
touching other people
the way you stand, gesture, and walk
Which of the given options is the approximate value of the flammable range for Methane measured as a percentage volume in air?
5.3 - 14.0% by volume.
2.6 - 12.4% by volume.
3.5 - 13.0% by volume
1.4 - 10.8% by volume
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
What general background colour is used on warning signs that indicate emergency or first-aid features, or indicate a safe condition?
Blue.
Green.
Yellow.
Red.
"Part way through a profiling interview with a supplier, the package the individual is carrying arouses your suspicion. What do you do?"
Confront the individual and demand that he open the package.
Discreetly inform someone of your suspicions so he or she can get assistance.
Call for help on the radio.
Take the package and open it.
In order to speak clearly and effectively you should:
gesture with your arms
stand tall with shoulders squared
never open your mouth too wide
open your mouth, pronounce your consonants, and shape your sounds well
A vessel’s midship draught is 8.50m. What is the corrected midship draught if the vessel is on an even keel? Midship marks are painted 0.05m forward of midships; LBP is 162m.
8.45m
8.55m
8.40m
8.50m
An inspection in the amidships area of the weather deck of a Panamax container vessel has revealed cracks in the hatch coamings. Which part of the vessel should now urgently be inspected.
Transverse bulkhead beneath the bridge front.
Longitudinals in the double bottom tanks in the amidships half length of the vessel.
Transverse bulkhead immediately aft of the engine room.
Stiffening in the forepeak tank at approximately water line level.
Which of the International Maritime Organisation (IMO) Codes contains information regarding the Construction and Equipment of Ships carrying Liquefied Gas in Bulk?
In the IBC Code.
In the IGC Code.
In the IMSBC Code.
In the IMDG Code.
A bulk cargo of steel coils is loaded and a number of the coils are noted by the Chief Officer to be rusted; what must the Master ensure?
Steel coils to be discharged
Clause the Bill of Lading with the reference numbers of the rusty coils and so make the Bill of Lading a "dirty" Bill.
No action needs to be taken.
Cargo temperatures measured on voyage
What is the advantage of a transmitter with a narrow measurement range?
Do not need any calibration
Easy installation
Lower purchase cost
Better linearity and increased accuracy
s
g
d
j
f
You have just completed washing a stainless steel cargo tank, following discharge of a cargo of Isobutylamine. You have washed the tank with warm salt water. What will you now do to prevent damage to the stainless steel?
Rinse the tank with cold salt water.
Rinse the tank with fresh water.
Vent the tank immediately.
Turn the heating coils on to dry the tank as quickly as possible.
Prior to loading a reefer cargo it is good practise to carry out an 'ice test' of the temperature sensors within the cargo space. Part of the test is to immerse the sensors in a test bucket of known temperature, usually zero degrees Celsius as this is the melting point of ice. Which of the options is correct in relation to preparing the test bucket?
Insulated ice buckets should be filled with crushed ice purchased in bulk from a shore supplier.
Insulated ice buckets should be filled with ice produced in the vessel's low temperature chamber. A hole the exact size of the sensor should be drilled into the ice and the sensor inserted into the hole to give a rapid test process.
Insulated ice buckets should be filled with ice cubes approximately 2 centimetres square which have been made from clean distilled water.
Insulated ice buckets should be filled with ice cubes approximately 2 centimetres square and a small quantity of distilled water to produce an ice-water mixture. The ice cubes should be produced from clean distilled water.
At what temperature is it recommended that frozen meat should be stored?
-45 degrees Celsius.
Between -5 and -10 degrees Celsius.
-20 degrees Celsius.
0degrees Celsius.
Which of the given options is IMO's definition of liquefied gas as used in its Gas Codes?
Liquid with vapour pressure exceeding 2.8 bar absolute at a temperature of 73.8 C.
Liquid with vapour pressure exceeding 2.8 bar absolute at a temperature of 37.8 C.
Liquid with vapour pressure exceeding 1.8 bar absolute at a temperature of 38.7 C.
Liquid with vapour pressure exceeding 1.8 bar absolute at a temperature of 87.3 C.
Reefer vessels form part of the 'cold chain' in the transport of perishable goods from the producer to the consumer. There are times when hatches have to remain open in less than perfect conditions, for example strong winds. There are steps that can be taken however to mitigate the effects of this on cargo that has already been loaded. Which of the options given could be considered to be the most important measure to counter the effect of such conditions?
Run the cargo fans continuously during cargo operations.
Refrain from ventilating the cargo with fresh air.
Reduce the air delivery temperature.
Cover the stow with a Tenasco (heavy plastic) sheet where possible to protect it from the wind.
Which push-button valve A, B or C must be pushed (operated) in order to obtain movement of the pneumatic cylinder S?
A
B
None
C
A 3-phase cage rotor induction motor requires protection by a time delay overload trip. What is the reason for this?
It will tolerate fault conditions during start up
Fuses act too quickly
Fuses act too slowly
It will allow for inrush current or motor specific faults
What will a cadet find in the maintenance manual?
A Cadet will find machinery spare parts in the maintenance manual
A Cadet will find a lubricating chart in the maintenance manual
A Cadet will find grease nipples in the maintenance manual
A Cadet will find grease in the maintenance manual
What is the anticipated rolling period of a ship with a large initial Transverse Metacentric Height (GM) and would there be any associated dangers to consider?
Long slow roll and no particular hazards
Short sharp period of roll associated with breaking lashings and shifting cargo
Short period of roll, but a very stable ship and no associated dangers
Long period of roll with free surface effects at a maximum.
With the set point at the actual desired value, a temperature control system is giving an unacceptably large offset (difference between set point and measured value) on high load resulting in a low system temperature. Which of the actions given in the options should be taken to reduce this effect and therefore achieve closer control of the temperature?
Increase the set point to a value above the actual desired value
Crack open the manual bypass valve for the control valve.
Increase the width of the proportional band for the controller.
Reduce the width of the proportional band for the controller.
What are the additional duties required by the Officer of the Watch when navigating in fog?
Sound fog signal, plot positions and keep a good lookout
Sound fog signal, effective radar watch reporting ship movements to Master and keep a good lookout for ships and fog signals.
All of the suggested answers
When navigating in fog the Master will take over the watch and the Officer of the Watch should follow all of his instructions.
What does it mean "to take the ullage"?
To take off cloths of wool.
To take the ultimate responsibility for the safety of the ship.
To measure the distance from the deck or tank cover measuring point to the liquid level in a tank.
To measure the distance from the bottom of the ship to the level of the liquid in a tank.
The driving water pressure is very important to maintain good efficiency when using the ejector for stripping. Where can you find information on board telling you the recommended pressure?
No special recommendation.
It is stamped on the ejector device.
The ship’s cow manual and ejector’s performance curves.
It all depends on the cargo.
This online test consists of 90 random questions from CES 5.1 tests on a topic of your choice.