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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
Description
The test consists of random questions on a selected topic.
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Which part of the float-free arrangement for inflatable liferafts is made to provide a connection between the ship and the liferaft?
the lashing strap
the weak link
the hydrostatic release unit
the painter
A lifejacket or immersion suit light has a luminous intensity of, and is capable of working at minimum for a period of:
2 candelas (about 1,7 mile range at normal meteorological sight), 8 hours
2 candelas (about 1,7 mile range at normal meteorological sight), 4 hours
0,75 candelas (about 0,6 mile range at normal meteorological sight), 8 hours
0,75 candelas (about 0,6 mile range at normal meteorological sight), 4 hours
The effectiveness of CO2 as an extinguishing agent is based on:
Comburent suppression
Cooling and inhibition
Dilution, cooling and inhibition
Inhibition and comburent suppression
If you are alone and you see smoke coming from a closed cabin door. What should you do first?
As most people are sleeping, call a friend and ask him to assist in putting out the fire
Get the nearest fire extinguisher and then open the door to see what the situation is
Take a look inside the cabin to see what the situation is
Activate the nearest fire alarm button and advise bridge of the location of the fire
On the galley stove, a pan containing oil catches fire, which of the following should NOT be used on this type of fire?
Cover the pan with a lid and switch off the heat source
Raise the alarm, close the galley doors and wait for the fire team to arrive
Cover the pan with a fire blanket and switch off the heat source
Use a water extinguisher to put out the fire
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
Do not close any valve and attack the fire, preferably with powder
Close the valve(s) on the acetylene bottle only
Close the valve(s) on the oxygen bottle only
The input of an area code prefix in (radio)telex-traffic:
Is not necessary, area code prefixes are unique for each country
Not necessary, area code prefixes are same for each country
Differs for each country
Has to be put in without the zero
A DSC distress alert single frequency call attempt is awaiting acknowledgement:
automatically repeated after 3 and a half to 4 and a half minutes
automatically repeated after 1 to 1 and a half minutes
Don't know
not repeated automatically
A distress alert from an Inmarsat-EPIRB, is received in the coverage area of a satellite by ground station within:
60 to 90 minutes
30 to 60 minutes
Don't know
two minutes
" On area A4 the function "" Transmission and reception of on scene communications"" is mainly based on:"
the use of SARSAT COSPAS Epirbs
the use of MF and/or VHF R/T
the use of HF DSC
the use of MF and/or HF R/T
An EPIRB has been activated accidentally. Which of the following is correct for cancelling the false distress alert?
Call a LUT and inform it
Make broadcast to all stations on VHF 16
Send a distress priority VHF DSC call and make broadcast to all stations
Call the nearest coast station and inform it that a false distress alert has been transmited
For how many hours a day during navigation shall the radio officers on a passenger ship carrying more than 250 passengers listen on the radiotelegraph distress frequency using headphones or loudspeakers?
24 hours
8 hours
12 hours
16 hours
Which of the following is a Accounting Authority Identification Code?
F1B
2187.5
FR01
227990850
The details of a ship AAIC are contained in:
The ITU List of Coast Stations
The ITU List of Callsigns and Numerical Identities of Stations used by the Maritime Mobile and Maritime Mobile-Satellite Services
The ITU List of Radiodetermination and Special Services
The ITU List of Ship Stations
Who is responsible that regulatory working hours are not exceeded?
The individual person.
The safety officer.
The master and department heads.
The bosun and the second engineer.
You are in a position as illustrated. What is the instantaneous oil discharge limit according to MARPOL ?
120 L/nm
15 L/nm
30 L/nm
60 L/nm
What should be observed concerning the vessel's stress?
The vessel's draft and trim?
Distribution of the containers?
Distribution and weight of the containers?
Weight of the containers?
What is the flash point of a Class 3.2 substance?
Lower than 0?C
Lower than 23°C
Lower than or equal to 61?C
Lower than -18?C
*What is the only reliable way of checking that the CO2 cartridge in a dry powder extinguisher is full?
Remove the cartridge and weigh it to check that it has the full weight stamped on it
Check if the seal on the extinguisher release handle is intact
All of the alternatives are reliable methods
Weigh the extinguisher and check that it complies with the weight marked on it
You are the Duty officer on vessel "A" in US Fairway waters. According to your radar observation you will pass tug "B" at which time you will be close to vessel "D". How will you make this situation safe?
By passing stern of "B" and "D"
By reducing your speed until vessel "D" is cleared
By steering outside the fairway.
Wait and see how the situation develops
What is the search system pattern called using 1 vessel?
Lonely System
Single System
Square System
Sector System
Rule 12 of the International Collision Regulations prescribes the action to be taken by a sailing vessel when meeting another sailing vessel. This depends on the direction of the wind relative to each vessel. In the situation shown here, which sailing vessel (A or B) must keep out of the way of the other?
Sailing vessel B must keep out of the way of sailing vessel A.
Sailing vessel A must keep out of the way of sailing vessel B.
The upwind sailing vessel must keep out of the way of the downwind sailing vessel.
Both sailing vessels are required to take avoiding action.
In the situation illustrated, what should be the power distribution of the tugs to maintain the ship sideways motion with only minor changes in the ship's heading?
Considerably more power on the aft tug than the forward tug, while monitoring the ship's gyro heading
Equal power on both tugs while monitoring the ship's gyro heading
Full power on the forward tug and the after tug ceases to push, but continuously monitor the ship's gyro heading
Considerably more power on the forward tug than the after tug, while monitoring the ship's gyro heading
The ship is at anchorage. What is important to rise forward in daylight?
A special anchor flag
The company flag
Nothing in particular
Anchor ball
While navigating using a paper chart marked WGS84 the OOW plots the ships position by four different methods and they all give slightly different positions. Which of the following would be considered the most accurate.
Radar ranges from two radar destinctive headlands
GPS set on WGS84 datum
Bearing and distance from a navigation buoy close to the vessel
Gyro compass bearings from two lighthouses
On which channel a ship must maintain a continuous watch when sailing in area A1?
13
2187.5
70
16
" What is the meaning of the abbreviation ""RQ"" at the end of a DSC sequence?"
End of sequence
Problem of transmission
Acknowledgment broadcast
Acknowledgement request
*In a distress situation, how many times or for how long should the emergency alarm signal be sounded ?
until the signal "risk is over" or the order "abandon ship" is given
until all crew members and passengers have reported to their respective muster stations
3 times
3 minutes
*The freeboard of a lifeboat, measured from the waterline to the lowest opening through which the lifeboat may become flooded:
Should exceed 1.5 % of the lifeboat length when fully loaded
Should exceed 0.5 metres when fully loaded
Should exceed 0.5 metres when loaded with 50 % of the number of persons the lifeboat is permitted to accommodate, these persons being seated to one side of the centreline
Should exceed 1.5 % of the lifeboat length when loaded with 50 % of the number of persons the lifeboat is permitted to accommodate, these persons being seated to one side of the centreline
The stability and strength of a liferaft when loaded with its full complement of persons and equipment is such that it can be towed in calm water at speeds of up to:
5 knots
3 knots
1knots
10 knots
*Which one among the following information shall be marked on the container of an inflatable liferaft:
the number of the liferaft
date when last serviced
the name of the ship to which the liferaft belongs
the port of registry of the ship to which the liferaft belongs
Which item among those below is included in the normal equipment of every liferaft ?
one boat-hook
one set of fishing tackle
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
*Which among the following list is required for lifeboat equipment according to present regulations ?
be secured in the lifeboat (except boat-hooks) by lashings, storage in lockers, compartments, brackets or similar arrangement
be made of fire-retardant material and stored in buoyant containers
be made of buoyant material or stored in buoyant containers
be made of fire-retardant material
What is the meaning of this symbol ?
Start water-spray
Start air supply
Lower lifeboat to water
Embarkation ladder
*Give the meaning of the following symbol
Release bowsing tackles
Release painters
Release falls
Release gripes
*Food rations provided to each person the liferaft is permitted to accommodate is totalling:
1000 kJ/person
5 000 kJ/person
500 kJ/person
10 000 kJ/person
What colour flare is used to signal a safe landing place for small boats ?
Blue
Green
Yellow
White
Which of the following detailed explanations should be mentioned in the Training Manual ?
The use of escape routes and other escape methods
The use of surface to air visual signals to be used by survivors
The use of drogues
The use of navigational equipment for survival crafts
Which of the following items do not necessarily have to be included in an abandon ship drill? (SOLAS III/18.3.4)
Checking that passenger and crew are suitably dressed
Starting and operating radio life-saving appliances
Starting and operating lifeboat engines
Checking that lifejackets are correctly donned
If you are going aloft in a bosun's chair what kind of hook would you use to hook the chair to the rope?
I would refuse going aloft
A stainless steel butcher's hook that is designed to take the load
Any old hook would do
An approved hook with a locking device
The fire control draft on board is called the safety plan and shall be posted onboard. In port, a copy of this plan shall in addition be available from somewhere else. Where must this copy be available?
In the engine control room.
At the gangway.
On the terminal.
Handed over to the surveyors.
On a RoRo vessel, when loading Double Stacked containers on Maffi Trailers how many twist locks should have used between the 2 containers
three in total 2 at the door end 1 at the opposite end
One at each end 2 in total
One on every corner 4 in total
What effect would turbulent fluid flow through a heat exchanger have on the efficiency of the heat transfer?
Turbulent fluid flow generally reduces heat transfer efficiency
Heat transfer efficiency is not affected by the type of fluid flow through the heat exchanger.
Turbulent fluid flow generally increases heat transfer efficiency.
It cannot be determined since it is not possible to generate turbulent fluid flow through a heat exchanger?
What are the general cargo stowage requirements for cashew nut shell liquid in drums?
Stow away from foodstuffs
Stow away from paper products
Stow on deck only
Stow away from chemicals
Is membrane tanks designed for carrying of ambient liquefied gases?
Yes if the vessel have cargo cooling plant
No, membrane tanks is normally designed for transport of fully refrigerated cargoes
Yes if the membrane tank is designed for high pressure
Yes if the membrane is more than 50mm thick
The ship is en route. When may passengers visit the bridge?
When the weather is nice and the sea is calm
Whenever they want
Passengers are not allowed to visit the bridge while the ship is en route
During daytime if the traffic is smooth
When should a vessel’s hatch pontoons not be lifted?
When the SWL of the gantry crane is not clearly marked
When the vessel is listed
When lighting conditions are poor
When the pontoons are to be lifted by a floating crane
What are the main components causing the magnetic compass to require a regular evaluation and compass correction?
The change in the position of the magnetic pole causing annual changes in the variation
Permanent and induced magnetism in the ships structure
The continual changes of courses steered by the ship
Deviation and Variation
What is the most likely cause of the clean oil outlet pressure being higher than normal when operating a centrifuge as a fuel oil separator?
Drive clutch slipping.
Valve in the outlet line incorrectly positioned.
Broken water seal.
High fuel oil temperature.
Before leaving the machinery spaces of a UMS vessel after routine watchkeeping rounds in the evening, the duty engineer inspects the doors to Fuel Oil Treatment rooms which are covered by a fixed fire fighting installation. For what purpose does he do this?
Remove the auto closing device so they remain in whatever position they were.
To tie them open with a rope to prevent the heat from building up inside, and making it uncomfortable to work.
To make sure that they are properly closed with the self closing device so that any fire is contained and the extinguishing medium can be released without delay.
Wedge them open with an arrangement which allows them to be closed quickly in the event of a fire.quickly.
You have just started to load Dicyclopentadiene to 5 port and starboard cargo tanks, but no cargo seems to be coming into the tanks. What will you do?
Stop cargo - notify the Duty Officer and / or the terminal dependng on the agreed communication procedure. Re-check the lines, valves and connections carefully, bearing in mind that there might be a build-up of pressure. Advise as appropriate.
Open the main lid on the tank and use a flashlight to try and see if there is a problem with the pump or line inside.
Carefully slack the bolts back on the connections, working initially on the off-shore mainifold, to determine how far the pressure extends in the ship's pipeline system, to determine which valve is giving the problem.
Re-check all valves. Just say nothing and open it, if one is found closed.
It is required that a crewman enters a refrigerated compartment containing produce at minus 60 degrees Celsius. Which of the items of personal protective equipment given in the options is the most important for the crewman to wear?
A hard hat.
Thermal underwear.
Insulated gloves.
Insulated overalls
The figure shows a silicon controlled rectifier with a RC circuit connected in parallel. RC circuit is often used in such connection. For which purpose?
Protect the SCR against damage caused by high voltage spikes
Obtain current resonance
Measuring the current through the SCR
Delay the ignition of the SCR
What is the definition of an "independent" cargo tank?
One which can be loaded with hazardous liquid chemicals that can not be carried in integral cargo tanks.
One which is not subject to the requirements of the IBC Code in respect of the loading and carriage of hazardous liquid cargoes.
One which is not contiguous with, or part of the hull structure.
One which forms part of the ship's hull and structure and which is normally essential to the structural completeness of the ship's hull.
What cooling medium is normally used to cool the condenser of a fresh water generator?
Brine
Seawater
Distillate (Freshwater)
Air
What does the acronym MARVS stand for in relation to liquefied gas carriers?
Maximum Allowed Relief Valve Setting.
Maximum Actual Relief Valve Setting.
Minimum Allowed Relief Valve Setting.
Maximum Automatic Relief Valve Setting.
A piston rod retaining nut needs to be tightened during maintenance on the main engine. Which of the given methods should be used to ensure it does not come loose in service?
Tighten it 10% more than the manufacturer's recommendation using a torque wrench.
Tighten it to the manufacturer's recommendations using a torque wrench.
Tighten it as tight as possible using a spanner and extension pipe.
Tighten it as tight as possible using a flogging spanner and a hammer.
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.
In a fresh water tank we are using a pressure transmitter with a range of 0-0.5 bar/4-20mA for level measurement.The transmitter is installed 30 centimeters from the bottom of the tank,and the tank is 5 meters high. What will the output from the transmitter be when the tank is empty?
5,2 mA.
4 mA.
2,8 mA.
2 mA
Which of the following documents gives the maximum point loading in cargo holds and on decks of a General Cargo Vessel?
General Arrangement plan
Ships Capacity plan
Planned maintenance schedules
Docking plan
Where is the "BRIDGE", in the figure?
The Bridge is C, in the figure
The Bridge is A, in the figure
The Bridge is D, in the figure
The Bridge is B, in the figure
How is a steel locking coil lashed?
By metal banding passing over it and through each of the cores of the two coils on which it rests
By metal banding passing over its top in a figure-of-eight and through each of the cores of the two coils on which it rests
By metal banding passing over it across the entire hold
By metal banding passing through its core and through each of the cores of the two coils on which it rests
What will you do when all the fresh water in the survival craft is finished or about to finish?
Use sea water to keep your body wet
Start collecting rain water
Drink Sea water
Drink only 1 liter of sea water per day
Where should the vehicle belonging to a disabled person be placed?
Preferably near an elevator or a place where you have easy access to the stairways
Near the stairways
In the after part of the car deck
As close to the bow door as possible to avoid any traffic jam during discharging
Why is it necessary to cool down LNG cargo tanks slowly prior to loading cargo?
To minimise the risk of creating a vacuum in the tank.
To minimise thermal stresses in the cargo tank.
To prevent ice forming in the cargo tank.
To minimise thermal stresses in the hull.
What danger is associated with damaged expanded metal gratings on loading ramps?
Vehicles’ windscreens may be damaged during cargo operations
The front and/or rear ends of vehicles may be damaged during cargo operations
Vehicles’ tyres may be damaged during cargo operations
The load density of the ramp will be affected
Which of the following tinned products should be kept in cold storage?
Sardines/olives
Peas
Pickled herring
Peaches
What is the main reason for crewmembers to practice search and rescue operations on ships in an emergency?
Passengers may not hear the alarm bells, and they may not know that they should proceed to mustering stations.
Passengers seek safety in mustering stations, or other common areas, where they think they can escape danger.
Passengers seek safety in their cabins, or in other places onboard, where they think they can escape danger.
Passengers may not hear the public address system, and they may not know that they should proceed to mustering stations.
Which of the following statements is correct with regard to IMDG Class 4 (flammable solids) cargoes loaded on a General Cargo vessel?
The cargo is not covered by the requirements of the IMDG Code
The goods can only be carried in the forward part of the vessel
The cargo can be stowed anywhere on the vessel
The goods require protection against movement and can only be loaded if a cargo declaration is supplied by the shipper
The picture shows a liquid filled thermometer. Liquid filled thermometers and manometers are often installed onboard ships. What is the main purpose for the liquid filling of such pointer instruments?
Keep the rear side of the front glass clean
Avoid water penetration from outside
Reduce mechanical wear on the internal parts caused by vibration
Compensating for changes in ambient temperature
On a Container vessel, what should be done if a container with damaged floorboards is loaded onto a ship?
A cargo damage report should be made for signing by stevedores
The container should rejected outright
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
What makes cargo holds weather tight?
The hatch coaming compression bar
Firm contact between the hatch cover rubber seals and the hatch coaming compression bar
Steel-to-steel contact between hatch covers and coaming
Hatch cover rubber packing
When measuring flow of fluids with a fixed area flow meter, the name of the sensing device is?
Float
Positive displacement rotor
Turbine rotor
Orifice plate
A situation exists where a cargo of palletised fruit is being loaded to capacity on a conventional reefer vessel. In order to load all of the available cargo it is proposed to break down some of the pallets and place the loose cartons on top of the pallets; there is just enough space to accommodate this below the deckhead. From the options given which is the most suitable action to take?
Reject the plan as the extra handling will incur greater stevedoring costs.
Reject the plan as the charter is to carry only palletised cargo.
Reject the plan as the reduced gap at the top of the stow will restrict the return air flow.
Accept the plan in order to carry all of the cargo.
The pressure control of a vessel's domestic water system, which includes a hydrophore tank pressurised by air, is achieved by stop/start of the fresh water pumps using pressure switches. How should the system be prepared for first use to give correct operation of the pressure control?
Fill the hydrophore tank to approximately 75% full with water and then pressurise with air up to the pump cut out point.
Fill the hydrophore tank up with freshwater allowing it to compress the air already in the tank and then adjust the pump cut out to match the pressure in the tank when it is almost full.
Pressurise the hydrophore tank with air to approximately 50% of the pump cut out pressure and then allow the pump to fill the tank until it cuts out.
Fill the hydrophore tank completely with water and then pressurise with air up to the pump cut out point.
When will the Longitudinal Bending Moments caused by the cargo distribution need to be taken into account on an oil tanker?
Only during loading and discharging cargo
During loading, discharging and on loaded passage
Only when on passage in heavy seas and when the vessel is pitching
All the time
Why is it important to remove all traces of salt after washing the cargo holds of a bulk carrier?
Because salt will contaminate the next bulk cargo
If not done, surveyors at the load port will be unable to properly inspect the cargo holds
Because salt encourages the corrosion of steelwork
To prepare the steelwork for painting during the ballast passage
Which of the following temperature sensors normally gives the highest measuring accuracy?
Thermocouple, NiCrNi
Thermistor, NTC
Resistance sensor, Pt100
Thermistor, PTC
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
What is the main difference of deep well and submerged pumps?
The main difference is that deep well pumps are driven by hydraulic motor and submerged pumps are driven by electric motor
The main difference is that deep well pumps are more expensive than submerged pumps
The main difference is that deep well pumps are more easy to maintain than the submerged pumps
The main difference is that deep well pumps are connected to the motor with a long shaft and submerged pumps have both pump and motor submerged down in the tank
When is a visitor onboard required to present an ID?
Only on SECURITY Level 3
On SECURITY Level 2 & 3
Never
"On SECURITY Level 1, 2 & 3"
Which is the "CAPSTAN", in the figure?
The Capstan is indicated by A, in the figure
The Capstan is indicated by D, in the figure
The Capstan is indicated by C, in the figure
The Capstan is indicated by B, in the figure
Chemical boiling out is one method that is used for cleaning the waterside of a steam boiler. Select from the given options the likely circumstances under which this procedure would be considered necessary?
Contamination of the boiler water by oil.
Excess chloride levels in the boiler water.
Excessive sludge build up in the water drum.
Oxygen pitting in the steam drum.
You are on a power-driven vessel underway in open water. This vessel is sighted wide on the port bow. It's bearing is opening, but its distance is closing rapidly. Which of the following is a correct assessment of the situation and the action to be taken?
Risk of collision is deemed not to to exist. However, to be sure of a safe passing distance, I will reduce my speed to allow the other vessel to pass ahead.
Risk of collision is deemed not to exist and I will maintain my course and speed. I will continue to monitor the situation.
Risk of collision is deemed to exist and I will make a broad alteration of course to starboard, sounding one short blast. I will re-assess the situation when the alteration is carried out.
Risk of collision is a possibility. I will maintain my course and speed for now, but be prepared for an alteration of course to port if the CPA seems to be less than 0.2nm as we draw closer.
What is the main reason that passenger baggage creates problems for crowd control?
If passengers are already in muster stations, you will have to allow them to return to cabins to retrieve baggage.
Muster stations are crowded, and passenger baggage takes up space.
There isn't room in the life rafts, and crewmembers will have to tell passengers to leave baggage behind.
Passenger baggage clutters escape routes, and embarkation stations, and slows down an evacuation.
What, by definition in the International Collision Regulations, is a "vessel restricted in her ability to manoeuvre"?
A vessel which through some exceptional circumstance is unable to manoeuvre as required by the Rules and is therefore unable to keep out of the way of another vessel.
A vessel which from the nature of her work is restricted in her ability to manoeuvre as required by the Rules and is therefore unable to keep out of the way of another vessel.
A vessel engaged in underwater work, such as the laying, picking up or servicing of a pipeline, or which is in support of diving operations, performing dredging and mine-clearance or is deploying or recovering a pilot.
A vessel which because of her draught in relation to the available depth of navigable water is restricted in her ability to deviate from her course and keep out of the way of another vessel.
What is the main reason for adding inhibitors to some liquefied gas cargoes such as ethylene oxide and vinyl chloride?
To reduce the boil-off rate of the cargo.
To prevent polymerisation of the cargo.
To control the temperature of the cargo.
To reduce the toxicity of the cargo.
In a US port and according to the Code of Federal Regulations, a 'Declaration of Inspection' must be completed before the transfer of an oil cargo can take place. Who is responsible for preparing this Declaration?
The ship's officer in charge of the oil transfer operation.
The Terminal Representative (Loading Master).
The US Coast Guard Captain of the port (COTP) or his designated representative.
The ship's pumpman.
What is the main reason for sometimes having a separate forced lubrication system for the camshaft on large cross head engines?
To prevent the camshaft system being contaminated with any water leaking into the main lubrication system from faulty cylinder liner seals.
Because the camshaft lubrication system has a lower pressure than the main lubrication system.
To prevent any fuel leakage from the high pressure fuel pumps contaminating the oil in the main lubrication system.
Because the camshaft system uses a different grade oil from that used in the main lubrication system.
When it is midsummer in northern Europe, what time of the year is it in South Africa?
Midsummer
Autumn
Midwinter
Early spring
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