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Головна Онлайн-тести CES Passenger MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Passenger vessel
Онлайн-тестування: Test online CES 5.1 for MASTER / Ch-Officer, Passenger vessel
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Навчання
Онлайн-тест
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Тест складається із випадкових питань з обраної теми.
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The mandatory color of a hand flare is:
Green
White
Red
Yellow
Give the meaning of the following symbol
Buoy fitted with line throwing appliance
Lifeboat hand flare
Line throwing appliance
Rocket parachute flares
To maintain a fire, three conditions need to be met: Oxygen, combustible material and sufficient temperature for combustion. What subject must be removed to extinguish the fire?
Either of the mentioned alternatives.
Oxygen.
Combustible material.
Heat, Oxygen and combustible material.
Oily rags and metal turnings
are not a fire hazard at all
are not a fire hazard unless ignited
are a fire hazard because they generate their own oxygen when ignited and are therefore difficult to extinguish
are a fire hazard because they are liable to spontaneous combustion
*When is a locker considered as a high risk service space?
when its area is of 4m? or more
any locker must be considered as a high risk service space
when its area is above 10m?
when its area is above 75m?
An optic detector is activated by:
The radiation of the heat given off by flames
The visible smoke that is a result of combustion
The flames that are a result of combustion
Invisible hot gases
*Generally the fixed sprinkler fire extinguishing system will be:
Dry pipe system
Gas system
High pressure water system
Wet pipe system
*What is the working principle of the detectors of a common fixed sprinkler fire-extinguishing system?
they are smoke detectors
they are flame detectors
they are rate-of-rise detectors
they are fixed-temperature detectors
*What is the minimum number of portable fire extinguishers that must be provided for the accommodations, service spaces and control stations on ships of 1000 gross tonnage and upwards?
5
7
9
3
What are the components of the personal equipment of the fireman's outfit
Protective clothing to protect the skin from heat, burns and scalding
All the items mentioned
Boots and gloves of rubber
A rigid helmet, an electric safety lamp and an axe
Give the command after ga+ for the transmission of a ‘store and forward’ –message withradio-telex:
sta…+
tlxstf
tlx..+
stf…+
By FleetNET communications is understood:
an EGC-message destined for ships of a certain company
a MSI-message destined for ships of a certain company
Don't know
an EGC-message destined for all ships
You want to make a telephone call to a shore subscriber. Which sequence will you key into your INMARSAT A terminal?
00 # CES two digits code Country code Area code Subscriber code #
CES two digits code # 00 Satellite code Area code Subscriber code #
CES two digits code # 00 Country code Area code Subscriber code #
CES two digits code # 39 Country code Area code Subscriber code #
The MID is:
A number which indicates the nationality of the ship
An INMARSAT mobile number
A number which indicates in which area the ship can operate
A ship accounting code
The position of a 406 MHz Cospas-Sarsat EPIRB is:
Determined by satellites by means of directional aerials
Passed on by the EPIRB to the satellite
Measured by the “dopler” shift in the signals
Transmitted by the ship
The signal of an Inmarsat EPIRB:
Can only be detected when a LUT within the range of the satellite
Will be detected immediately by the coast station
Will immediately be detected within the coverage-area by the satellite's concerned
Will be detected within 1 ? hours by a passing satellite
Command of radio-telephony traffic between vessels and coast-stations lies with:
Don't know
the coast-station
the vessel
always with the station calling
Why are you only allowed to load maximum 98% of the tank capacity?
It is company policy.
Danger to vessel stability and strength.
Due to temperature expansion.
Danger of overloading.
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 a "Rescue Sub-Centre" (RSC)?
A centre for underwater search and rescue operation
A unit subordinate to a rescue co-ordinating centre
A center established to assist the main national rescue centre
A national search and rescue centre subordinate to an international search and rescue co-ordinating centre
If you are required to splice an eye on a mooring wire (using the recommended 5 full tucks and 2 half tucks) the effective breaking strength of the wire will now be affected by the splice, and you would expect:
A reduction in strength of 30 % to 40 %.
A reduction in strength of 1% to 5%.
A reduction in strength of 10 % to 15 %.
No reduction in strength.
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
When Sen. Deck Off. of both vessels involved have decided which will be the last lines to be let go whilst unmooring, these lines should be made fast as follows on the ship accepting the lines.
By keeping the rope on the warping drum of a deck winch, fig. 3.
By turning up the rope on the bitts, fig. 1.
By putting the eye on the bitts, fig. 2.
By shackling the eye to a strongpoint, fig. 4.
Can the OOW be the sole lookout?
No.
Only during day time
Only in good visibility.
Only during day time when visibility, traffic etc make it safe
Which one of the listed requirements regarding radiotelegraph installations do not correspond to present regulations?
The reserve installation shall include a reserve transmitter, a reserve receiver and a reserve source of energy
A main and a reserve antenna shall be installed
The main installation shall include a main receiver, a main transmitter, radiotelephone distress frequency watch receiver and main source of energy
The installation shall include equipment for radiotelephone communication on distress frequencies in addition to working frequencies
Secrecy in maritime radio traffic means that:
received messages, which aren’t intended for own ship are not passed on
the speaker of a VHF radiotelephony installation as well as of a MF/HF telephony installation is to be surged off during private conversations
the radio communication equipment on board may only be operated by a person in possession of a valid operating certificate
Don't know
What mode must be used on the MF/HF transmission, when transmitting a telex-message:
J3E
Don't know
H3E
F1B/J2B
The number of oscillations of a wave per seconds is called :
Period
Frequency
Wavelength
Pulse length
Define the class of emission F3E :
Radiotelex and DSC - Frequency shift keying of sub-carrier with error correction
Radiotelex and DSC - Phase modulation
Radiotelephony - Single sideband full carrier
Radiotelephony - Frequency modulation
What is the fundamental purpose of a coast radio station?
To automatically connect a vessel placing an INMARSAT call with the station being called.
To coordinate search and rescue communications.
To provide continuous digital selective calling coverage.
To provide a delivery service for ships with routine, safety, urgency, or distress message traffic.
Which of the following frequency bands would most likely provide reliable communications between two stations that are 100 miles apart?
The Medium Frequency (MF) band.
The Very High Frequency (VHF) band.
The Low Frequency (LF) band.
The High Frequency (HF) band.
Which of the following services is not provided by INMARSAT B:
High speed data
Safetynet
Telephone
Telex
Which of the following information shall be specified by the muster list ?
the muster list has been prepared and approved by the Administration before the ship proceeds to sea.
the abandon ship signal consisting of two long blasts.
the specific duties assigned to passengers that are in charge of a group of others.
details of the general emergency alarm signal consisting of seven or more short blasts, followed by one long blast.
What is the meaning of this symbol ?
Survival craft pyrotechnic distress signals
Radar transponder
EPIRB
Survival craft portable radio
*Which one of the following items has to be included in an abandon ship drill?
Manoeuvring the lifeboat in the water
operation of davits used for launching liferafts
Starting and operating radio life-saving appliances
Launching and recovery of a survival craft
Which of the following ear protection devices is most effective?
Ear plugs.
All equal.
Dry cotton or cottons balls.
Ear muffs
Chemical tankers are built with either "gravity" or "pressure" type cargo tanks. A "gravity" tank is one having a design pressure at the top of the tank of:
0.1 bar?
2.7 bar?
1.7 bar?
0.7 bar?
Why do blunt knives cause accidents?
Because they will need to be held at a more shallow angle when cutting.
Because the blunt edge will contain grease particles.
Because they require more pressure to be used and are more likely to slip.
Because the handles are more likely to be loose.
Why are Chromate Based Cooling Water Treatments not allowed when the system is connected to a fresh water generator?
It increases the chloride level.
It could poison the fresh water if leakage occurs.
Chromate Based Cooling Water Treatments are not allowed in any cooling water system.
It reacts with metals used in the fresh water generator.
In which cases shall side scuttles in passenger ships be so constructed that they cannot be opened without the consent of the master of the ship?
Where the sills of the side scuttles are below the margin line
Where the sills are mounted below the bulkhead deck
Where the sills of the side scuttles are less than 500 mm above the deepest load line
Where the height of the side scuttles go through more than two decks
On a Container vessel, with regard to fire precautions, what must be ensured prior to securing hatch pontoons?
That the duty officer's permission has been obtained to secure the pontoons
That the cargo hold fire fighting system has been checked
That under-deck cargo operations have been completed
That all cargo clusters have been removed from the hold
When would gassing-up of cargo tanks on an LNG carrier normally be necessary?
To remove inert gas or nitrogen from the cargo tank atmosphere.
Prior to loading each cargo.
When the tank atmosphere needs to be made inert.
During each ballast voyage.
When first using cleaning agent in the machinery space, the crew should:
Confirm that it won't form an emulsion
Use it sparingly
Use it liberally
Confirm that it will form an emulsion
The machinery detail plate is missing from a large electric motor and the weight is unknown. As part of a routine maintenance check the motor has to be lifted to access some other equipment. Which of the given options is the correct action that should be taken?
Try and lift it with the engine room crane as it is designed to lift the heaviest components in the engine.
Estimate the weight of the motor and select a chain block and strop with a safe working load of 1.5 times the calculated load.
As it is only a routine maintenance and not a breakdown then postpone the task until full details of the motor can be obtained.
Use the biggest chain blocks and strops available and carry out a trial lift.
The type of pump used for delivering the oily-water mixture to an oily-water separator governs considerably the degree of contamination in the effluent. What type of pump would be best suited not to churn the supply and produce small oil droplets (less than 200µm) dispersed throughout the water?
Screw.
Mixed flow (part axial, part centrifugal).
Axial Flow.
Centrifugal.
When securing a non-standardized portable tank on a RoRo vessel, what is a favourable securing angle that will prevent it from transverse sliding?
15 to 18 degrees
18 to 23 degrees
30 to 33 degrees
23 to 30 degrees
Where is the normal position of the "Pivot Point" of a vessel when going astern?
Amidships
1/3 of the vessel's length from the bow
Between 1/4 of the ship's length from the stern and the rudder post
Between amidships and 1/4 of the vessel's length from the bow
When measuring level of liquids with a differential pressure meter, the name of the sensing device is:
Pressure diaphragm
Float
Positive displacement tube
Capacitance probe
In a cascade type direct cooling plant, as fitted to some liquefied gas carriers for cargo reliquefaction duties, a refrigerant gas is used to give final cooling and condensation of the cargo vapours. What level of refrigerant would you expect to see in the liquid receiver sight glass when the plant is operating at normal load?
The sight glass should be 10 -30% full.
The sight glass would normally be completely empty when the plant is on load.
The sight glass would normally be completely filled when the plant is on load.
The sight glass should be 80 - 95% full.
How is the prime mover load normally kept to a minimum when starting up an electric driven reciprocating type air compressor?
By using an unloading device to keep the compressor delivery valves open until the machine is up to speed.
By using an unloading device to keep the compressor suction valves open until the machine is up to speed.
By keeping the second stage drain valve open until the machine is up to speed.
By keeping the main discharge valve closed until the machine is up to speed.
The image shows an indicator diagram taken from a diesel engine cylinder . Which of the following options is the action most likely to identify the fault.?
Check if the fuel pump injection is too early, or fuel pump lead is too great, for that cylinder.
Check the exhaust valve.
Check that the fuel temperature and viscosity are correct.
Check if the fuel injection valve is partly blocked.
Which of these situations will not result in an emergency shutdown of cargo operations?
Failure of the hold ventilation system
The vessel developing and sudden and unexpected list
A blackout on board
The loading ramp being lifted clear of the jetty
Why does a hatch cover hydraulic system deteriorate?
Due to dust and cargo particles lodging around the piston seals
Due to hatch cover operations in high summer temperatures
Due to repeated hatch cover operations
Due to ice accretion on piston jackets
What is shown on the new ‘Marine Pollutant’ label under the IMDG Code?
The letter 'P'
A dead tree and dead fish
Dead fish and dead sea birds
The letters 'PP'
In a heat exchanger where seawater is used to cool fresh water, the seawater pressure should be maintained lower than the freshwater pressure to:
Minimize the load on the seawater pump
Eliminate scaling problems on seawater side
Reduce erosion
Prevent contamination if leaks are developed
The engine room rating has been assisting with ballast operations during a period of engine room watch duty. Ballast operations have stopped for a couple of hours while stores are being taken. What action should the rating take during this break in operations?
Just keep the pumps running and the valves for the ballast tanks open to save time when operations are restarted. The tanks will just overflow through the air vents.
Stop all of the ballast pumps and close all of the ballast valves as soon as operations are stopped. Ballast lines should always be closed except when they are being used.
Just stop the pumps and close the pump suction and discharge valves. Leave the valves for the ballast tanks open to save time later.
Shut the valves for the ballast tanks but keep the pumps running and discharging overboard to save time later.
How would you ventilate your cargo holds when sailing from hot climate to cold climate?
Ventilation only during night time?
Ventilate only during day time?
Ventilate excessively?
No ventilation should be done?
Maintenance is to be carried out on a diesel engine. How long after stopping the engine should the cooling water and lubricating oil be kept circulating in order to avoid any undue thermal stress from residual heat?
10 minutes is sufficient.
At least 8 hours
At least one hour.
At least 24 hours.
What is the purpose of "Glycol Water Heating"?
The system heats glycol water which is pumped around cofferdam system to maintain the temperature inside those spaces, when loaded, at approximately - 5 C.
The system heats glycol water which is pumped around cofferdam system to maintain the temperature inside those spaces, when loaded, at approximately +25 C.
The system heats glycol water which is pumped around cofferdam system to maintain the temperature inside those spaces, when loaded, at approximately +15 C.
The system heats glycol water which is pumped around cofferdam system to maintain the temperature inside those spaces, when loaded, at approximately +5 C.
On a RoRo vessel, what is important with regard to a loading ramp resting on a jetty?
The position of mats between the ramp flap and jetty must be maintained at all times
Visitors must not be allowed access to the vessel via the ramp
The ramp's position must be maintained
It must not foul the ship's mooring ropes
What is the connection between ethylene gas and food?
Ethylene is the gas that develops as yeast dough bakes
Ethylene is the gas given off by most fruits and vegetables during the ripening process
Ethylene is the gas that develops as baking powder dough bakes
Ethylene is the gas that develops when meat and fish are stored for too long (bacterial decomposition)
With a bulk ship in port, when would it be permissible to start painting over-side?
Within two hours of berthing
After obtaining permission from the port authority
Immediately after berthing
After obtaining permission from the master
During tank washing operations on an oil tanker, it is a requirement that the atmosphere within the tank is maintained with an oxygen content of not more than 8% by volume, but which of the following conditions is also a requirement?
That a positive pressure is maintained
That the atmosphere within the tank is maintained at atmospheric pressure, ie open to atmosphere
That a minimum of 2.4 bar inert gas inlet pressure is maintained
That a negative pressure is maintained
When preparing cargo cranes for operation on a General Cargo ship using shore personnel, what are three of the most important checks to be made?
Crane wire is greased, windows clean and cab heater on
Check that cab is clean, air conditioning is on and windows clean
Limit switches are not in use, wires are clean and emergency stop is isolated
Check that winches, brakes and emergency stops are working correctly
Which approved publication should be used by a seafarer to help overcome any misunderstanding in communications?
The Oxford Concise Dictionary
The (ICS) Bridge Procedures Guide
Standard Marine Navigational Vocabulary
The (IMO) Standard Marine Communication Phrases (SMCP) booklet
During a normal voyage, heat is transferred to the LNG cargo through the cargo tank insulation, causing vaporisation of part of the cargo. The composition of the LNG is changed by this boil-off because the lighter components vaporise first. Which of the components in the LNG cargo will have a lower percentage on arrival discharge port?
Pentane.
Methane.
Butane.
Ethane.
What are the requirements for heat exchangers that are used for heating the cargo during cargo handling operations on an LPG carrier?
The only requirement is that they must be designed and tested to tolerate minus 48 degrees C
They must be designed to withstand temperatures of minus 162 degrees C.
The only requirement is that they must be able to raise the cargo temperature to above 10 degrees C for transfer to shore storage tanks.
They must be designed to withstand the expected operating conditions with respect to pressure and temperature and the materials must be compatible with the cargo.
What does the cargo capacity of a car carrier depend upon?
The number of vehicles it can carry
The size of vehicles for which it is designed
The weight of vehicles it can carry
The volume of vehicles to be loaded
Why is it dangerous to load wet Scrap Steel in containers?
Because of the huge increase in the weight of the cargo
Because the cargo will corrode the container
Because the cargo can spontaneously ignite
Because the cargo will not dry out en route
What arrangement may be installed in passenger ships to reduce unsymmetrical flooding in damaged condition?
Ballast trimming system
Cross flooding arrangement
Separate trim tanks
Self acting ballast trimming arrangement
How many portions of fruit and vegetables are recommended as part of the daily intake for an adult?
2.
10.
5.
Not more than 3.
Gases, including methane, cannot normally be liquefied using pressure alone once they are at or above a certain temperature. What is the term used for this temperature?
Flash point.
Auto liquid temperature.
Critical temperature.
Liquid temperature limit.
Prior to personnel being allowed to work inside cargo tanks on a liquefied gas carrier the tank atmosphere must be checked. What are the required readings for oxygen content and hydrocarbon gas content of the tank atmosphere before normal entry permits are issued and entry into cargo tanks is allowed according to the IMO Gas Codes?
21% oxygen by volume and 1% hydrocarbon by volume.
20% oxygen by volume and 1% of LEL for hydrocarbon
20% oxygen by volume and 0% hydrocarbon by volume.
21% oxygen by volume and 0% hydrocarbon by volume.
What name is given to the inspection and measurements at the end of a bulk carrier's loading operation, that determines the weight of cargo lifted based on the observed draughts, any list, hog or sag, the dock water density and the calculation of ballast and consumables on the vessel?
Port Measurement.
Load Survey.
Departure Survey.
Draught Survey.
When selecting switchgear to work with High Voltage it is important to use an appropriate arcing medium. What is meant by arcing medium?
The way in which the contacts separate as the switchgear operates.
Equipment which communicates information about the arcing.
A material which assists a welding process.
The gas or vapour which will minimise creation of an electric arc as contacts open.
A standard outside micrometer requires regular maintenance, including calibration, in order to ensure accuracy of measurement. How is the accuracy of this type of instrument normally checked? Select the answer from the options given.
By checking the distance between the micrometer anvil and spindle with an inside micrometer.
By measuring a standard gauge block or rod at a common temperature.
By checking the distance between micrometer anvil and spindle with an inside vernier gauge.
By trying a go/no go gauge between the micrometer anvil and spindle at maximum opening at a common temperature.
You have just collected some fresh provisions from the storeroom below the galley. As you are coming back up the stairway, you slip and fall, dropping the provisions and scratching your leg, causing minor bleeding. Which of the following will you now do?
I will say nothing, as the accident did not take place in the galley and was my own faulty anyway; I will pick up the provisions I dropped and carry on as usual; I will look at the scratches when I get a break.
I will tell the Chief Cook and let him decide whether to report or record it; we will use all of the provisions as usual, as the cooking process will ensure any contamination or damage is neutralised.
I will report the incident; I will obtain first aid; I will ensure an entry is made in the accident log; I will ensure all the provisions are inspected for damage and any bruised, broken or contaminated goods are discarded.
I will tell my colleagues in the galley that I slipped but that I am OK; I will not mention that I dropped any provisions and will just wash any items that dropped onto the deck.
The design features of a container ship with pronounced bow flare, a wide flat transom stern and wall sided amidships section contribute to what occurrence?
Excessive pitching
The ability to shed water very quickly off the decks
Large angles of heel with a large GM
Parametric Rolling
What name is given to the part of the discharging operation on an oil tanker when the last remaining contents of a tank or line are being pumped out?
Puddling
Purging
Lifting
Stripping
All cargo hatch covers on a bulk carrier are to be hose tested in the presence of a surveyor, prior to loading a cargo of steel coils; what should be done to the hatch covers before the test?
Hatch covers in open position
Hatch cover to be lowered by jacks onto seals but not secured
Hatch cover in normal port condition ready to open
Fully secured to a sea- going condition with all side cleats ( if any) fitted
What ingredient, made from durum wheat, is commonly used as an alternative to rice with north-African dishes?
Bulgar wheat.
Couscous.
Soya.
Semolina.
How can the officer in charge change the value of the Transverse Metacentric Height?
By loading or discharging cargo and changing the position of both G only.
By vertically shifting cargo and changing the position of both G and M.
By loading or discharging cargo and probably changing the positions of G and M.
Only by loading cargo and changing the position of both G and M.
What is the definition of sludge control?
The cargo tanks are to be washed that often so recidues do not accumulate in large quantities.
The sludge is controlled by use of special instruments.
This is done in port by a special sludge control squad.
Visual control of the sludge.
Which of the following insulation materials that are used onboard gas carriers has the highest diffusion resistance?
Mineral wool.
Polyurethane foam.
Perlite.
Air.
Tank top in engine room has a high quantity of oil residues floating around. When discovered, what action should be taken?
Start the fire pump.
Apply foam to the tank top to minimise the risk of fire.
Notify Ch.Eng., find cause of leakage, remedy the leakage and then immediately start cleaning of the tank top.
Open the overboard valve and start the bilge pump.
The oils used for medium and high speed diesel engine lubrication usually have alkaline additives which give the oil a Total Base Number of about 30 to 40 mg KOH/g. Why is it necessary to have such a TBN for these oils?
To counteract the effects of fuel leaking into the crankcase.
To allow operation of the engine on a variety of fuel types.
To increase the load carrying capacity of the oil.
To neutralise the acids formed during combustion.
How many carbon atoms are there in solid materials?
Above 16 carbon atoms.
I don't know.
From 5 to 16 carbon atoms.
Up to 4 carbon atoms.
Which of the following answers most suitably cover the standard duties of the bridge Officer of the Watch when the ship is at anchorage?
Display the anchor signal, patrol the ship frequently and check the anchor chain for dragging
Display anchor signal, check the ships position and keep a good lookout
Display the anchor signal and ensure the ship swings the same way at each change of tide
Display anchor signals and keep a good lookout of other ships in the area
What is the purpose of an evacuation analysis?
o provide port state control inspectors with reports
To ensure the ship can be evacuated in less than 30 minutes
To provide the passengers with written results of the analysis
To identify and eliminate, as far as practicable, congestion which may develop during an abandonment
If the general/fire alarm are sounding, and evacuation is required. What is the best way to ensure that all passengers are aware of the situation?
Public announcement system to be used for informing. The cabin attendant should proceed to their cabin section, and search all cabins. If the area is inaccessible report to their superior.
Using public announcement system to inform about situation. Inform passenger to report to designated area for head count.
The cabin attendant take stand at the muster stations to check of all passengers in his section. If somebody is missing, report to their superior.
Alarm signal and public announcement system will be effectively, including head count at muster point.
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.