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Головна Онлайн-тести CES Dry cargo 2nd-Off / 3rd-Off Test online CES 5.1 for 2nd-Off / 3rd-Off, Dry cargo vessel
Онлайн-тестування: Test online CES 5.1 for 2nd-Off / 3rd-Off, Dry cargo vessel
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Тест складається із випадкових питань з обраної теми.
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In which ways is heat transmitted?
Delay, conduction, radiation
Conduction, convection and radiation
Gasification, conduction and convection
Radiation and gasification
*At what temperature do the sprinklers come into operation in accommodation and service spaces ?
Over 100 ?C
Within 50 ?C to 60 ?C
Over 150 ?C
Within 68 ?C to 79 ?C
How does low expansion foam act as an extinguishing agent when dealing with oil fires?
By smothering and also by providing some cooling
By cooling only
The heat from the fire causes the foam to produce an inert gas which gradually extinguishes the fire
By smothering only
What is the main advantage of a positive pressure breathing apparatus?
It is less complicated and cheaper than a breathing apparatus of the demand type
It ensures a constant supply of air
The positive pressure makes it easier to breathe when working hard
If the face mask has a leak toxic fumes/smoke would still not enter the mask
A DSC ‘distress alert’ message received contains the information: “GROUNDING”.This means that :
Don't know
For a good connection aerial transmitting has to be earthed
A vessel is aground
For a good connection transmitting receiving has to be earthed
Select the correct send and receive frequencies for sending a DSC ‘distress alert’ in the MF band:
TX: 2189.5 kHz RX: 2177.0 kHz
TX: 500.0 KHz RX: 518.0 KHz
TX: 2187.5 kHz RX: 2187.5 kHz
TX: 2177.0 kHz RX: 2177.0 kHz
The following information must be given on the SART:
Date of replacement of the battries
The date of replacement of the hydrostatic release unit
The name of the operator
The MMSI number sent
When a message is sent by the Inmarsat—C installation to an Internet e-mail address, the land charge is:
dependent on the ‘chargeband'
dependent on the destination
independent of the destination
Don't know
Which one of the given requirements regarding manning and supervision of survival craft do not correspond to the present regulations? (SOLAS III/10)
A deck officer or certificated person shall be placed in charge of each survival craft to be used
Every lifeboat required to carry radio telegraph installation shall have a person capable of operating the equipment assigned
Every motorized survival craft shall have a certificated engineer assigned
There shall be a sufficient number of trained persons on board mustering and assisting untrained persons
What types of vessels shall carry an approved VRP (OPA-90)
Tanker vessels carrying oil or other dangerous cargo
Tanker vessels carrying oil without segregated tanks
All vessels carrying more than 10 000 gallons of oil , irrespective whether as cargo or bunker
Tanker vessels carrying oil
In case of pollution in US waters, do you always have to notify the National Response Center (OPA-90)
Yes, within thirty (30) minutes
No, only the shipowner can notify NRC
No, not if the local US State Authority is correctly notified
Yes, within three (3) days
What is the function of an OSC (OPA-90)
Incident Commander
Officer of Spill Command
Spill management
On the Scene Co-ordinator
You are planning the discharge of a crude oil tanker with segregated ballast tanks, SBT. Which of the cargo tanks should be crude oil washed if you are expecting heavy weather?
All the cargo tanks that were not COW'ed in the last discharge port
At least 30% of the cargo tanks
The dedicated heavy weather ballast tank
Both sloptanks, and 30% of the remaining cargo tanks
The Decca navigation system is a:
Radio navigation system with four radio beacons placed in a Decca chain ashore.
Loran C radio navigation system with Loran C chain placed ashore.
Satellite navigation system.
Radar navigation system.
Give the meaning of the following symbol
CO2 horn
CO2 battery
Portable fire extinguisher
Area protected by CO2
When a vessel is to experience a long tow across an ocean, what would be the best system of connecting the tow?
Towing Hawser from a deep sea tug through the centre lead forward and made fast on the nearest mooring bits forward.
Wire from a deep sea tug made fast through a shoulder lead on the vessel's leeward side
Wire from a deep sea tug through the forward centre lead of the ship and made fast onto several mooring bits on the forecastle
Wire from a deep sea tug connected to the ship's anchor chain.
The ship is berthed in a steady offshore beam wind of 30 knots which suddenly increases to 60 knots. What will be the change of force exerted on the ship driving it off the jetty?
The force will be Doubled
The force will be Tripled
The force will be Quadrupled
The force will be Quintupled
You are sailing in shallow water with 15% Under Keel Clearance. Coming full astern from full ahead, how will your changed course compare to deep water?
Large change at first, then changing slightly
The heading will most likely change by a large amount
The heading will not change at all
The heading will change only slightly
How will the ship behave if you have a "black out" in the situation illustrated?
The vessel will turn to starboard and the speed will slowly reduce.
The vessel will turn to port and the speed will reduce gradually
The wind will push the vessel sidewards, but the heading will not change
The vessel will continue on course and the speed will slowly reduce
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.
Which of the following duties shall be included in the "muster list" as being assigned to crewmembers in relation to passengers ?
clearing the escape routes
ensuring that every passenger is provided with an immersion suit or a thermal protective aid
warning the passenger
ensuring that extra food and water is taken to the survival craft
*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
Which item among those below is included in the normal equipment of every liferaft ?
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
one knife of the non-folding type having a buoyant handle and a lanyard
one boat-hook
one searchlight which can work continuously for not less than 3 hours
*Give the meaning of the following symbol
Start ventilation of the lifeboat
Start air filling of the liferaft
Start ventilation of the rescue boat
Start air supply
The manually controlled inside lamp must be capable of working at minimum for a period of:
18 h
12 h
6 h
24 h
What is most important for crew members when preparing for emergencies?
That people listen to orders given
That people are well trained
That people know where to find designated equipment
That people know where to muster
During test and/or maintenance work of the CO2 system affecting the release system, precautions to ensure that the gas is not released into the engine room due to a mistake are to be ensured. What precautions should be taken?
No special precautions necessary.
Arrange a watchman in the CO2 central.
Check the main valve for a potential leakage.
The main supply line to be blanked off prior to the work.
When should gangway nets be rigged?
When it is deemed necessary by the Master or the Chief Officer.
Whenever the gangway is rigged.
Whenever the gangway is regarded as unsafe.
Between sunset and sunrise.
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
If the Radar scanners of one vessel are in the same horizontal plane as the cargo deck of the other during transfer operations, which type of radar emissions would pose a greater danger of the induced ignition of flammable vapours?
a 10 cm radar.
Neither a 10 or a 3 cm radar.
Both a 10 and a 3 cm radar.
a 3 cm radar.
On the figure 4 possible definitions of the term "FORWARD BREAST LINE" are given. Which one is the correct one?
Forward breast line is given by B on the figure
Forward breast line is given by A on the figure
Forward breast line is given by C on the figure
Forward breast line is given by D on the figure
On the figure there are four (4) possible definitions of the term "AIR DRAUGHT" given. Which one is the correct one?
Air draught is given by C on the figure
Air draught is given by D on the figure
Air draught is given by B on the figure
Air draught is given by A on the figure
A loaded bulk carrier experiences heavy ice accretion on deck forward, what are the major concerns of the changes in stability?
Excessive trim by the stern
Reduction of speed and additional fuel consumption
Reduction of metacentric height (GM) and loss of freeboard forward
Increase in metacentric height (GM)
The responsible person for maintaining budget on board normally is:
Chief Engineer
Chief Officer
Master
Chief Steward
To minimise the risk of damage what type of tools should be used to clean boiler burner tips?
Brass tools.
Steel tools.
Wooden tools
Any kind of tools that are available.
Which of the statements given in the options relating to LNG carriers is true?
LNG is normally carried in fully pressurised gas carriers.
LNG is always carried at very low temperature.
The size of an LNG carrier is limited to no greater than 50,000 m3 cargo capacity.
All LNG carriers are fitted with spherical tanks.
A chlorine carrier must be equipped with a chlorine absorption plant connected to the cargo tanks and cargo lines. What is the gas detectors alarm setting?
10 ppm.
20 ppm.
5 ppm.
15 ppm.
Why is nitrogen used for the inerting of hold spaces and interbarrier spaces on LNG carriers?
Because of the high oxygen content of combustion generated inert gas.
Because the carbon dioxide in combustion generated inert gas would freeze when in close proximity to the cargo.
Because of the high humidity in combustion generated inert gas.
Because of the high temperature of combustion generated inert gas.
What is the purpose of the "forcing vaporizer"?
To provide gas for burning in the boiler.
For initial heating in the insulating spaces.
Discharge cargo without vapour return from shore.
To displace inert gas from cargo tanks.
What would the Master require of the Chief Officer?
The Master would require the Chief Officer to organise a lifeboat drill
The Master would require the Chief Officer to repair the lifeboat engine
The Master would require the Chief Officer to test the lifeboat engine
The Master would require the Chief Officer to replace the lifeboat painter
Before leaving the machinery spaces of a UMS vessel whose engine room is protected by a fixed CO2 installation, should the duty engineer:
Ensure all doors are in closed position.
Lock all of the entry exit doors to prevent entry by unauthorised personnel.
Hook the main entry/exit doors in the open position to speed up entry in the event of an alarm.
Leave the doors in whatever position they are in.
If all indications are that a cargo has been received without damages, irregularities or short shipment and the phrase "apparent good order and condition" are entered on the Bill of Lading, what type of Bill is this said to be?
A clean Billl of Lading.
An endorsed Bill of Lading.
A Due Title Bill of Lading.
A Bill of Lading completed for shipment.
What is important with regard to checking container lashings on deck?
The strength of lashing rods
The number and extent of lashings
The strength of twistlocks
The tightness of lashing rods and container locking arrangements
Is there any requirements regarding crew’s language skills?
All crew working directly with passengers must be able to communicate on the language spoken by the majority of the passenger and english.
All crew working directly with passengers must be able to communicate on the language spoken by the majority of the passenger.
Yes, all crew must be able to communicate on the language spoken by the majority of the passengers, or demands set by the company.
All crew must be able to speak english
Why should a container with a damaged corner post not be loaded?
Because during discharge the ship could be held responsible for the damage
Because its strength is weakened
Because it will not fit properly into a container stack
Because the cargo inside might be damaged
Vegetable and animal oils undergo decomposition over time, generating obnoxious and toxic vapours and depleting the oxygen in the tank. What name is given to this process?
Polymerisation.
Putrefaction.
Monoxidation.
Disintegration.
What measures should be taken in order to avoid flammable gases forming on top of coal cargoes on a Bulk Carrier?
Ventilation to be continuous?
Ventilation to be carried out as indicated in the IMO solid Bulk Cargo Code
Cargo to be ventilated by opening hatch covers at sea?
Cargo not to be ventilated?
In a low pressure auxiliary boiler, what would be considered to be the maximum allowable chloride level of the boiler water?
300 PPM.
1000 PPM.
50 PPM.
600 PPM.
A tank containing hydrocarbon residues requires manual cleaning by use of shovels, scrapers etc. Should you:
Open the tank, provide ventilation and commence work immediately.
Open the tank and provide lighting, have someone standing by outside the tank and commence working.
Open the tank, provide adequate ventilation/lighting, test oxygen content, have someone standing by with rescue equipment, complete a tank entry permit then commence work.
Open the tank, provide adequate ventilation and lighting, commence work and have someone standing by outside the tank.
A situation arises where there is insufficient fruit cargo available to fill a cargo space. There is a cooler arrangement (cooler/evaporator/brine nest/fans) positioned at one end of the cargo space. Select, from the options given, the best method for stowage of the fruit.
Start at the end with the cooler arrangement and work away from the cooler.
Start from one side of the space.
Start from the centre of the space and work towards both ends.
Start at the opposite end to the cooler arrangement and work towards the cooler.
What is the most likely cause of the boiler exhaust gas being white in colour leaving the funnel?
Insufficient combustion air.
A faulty or dirty burner tip
Too much combustion air.
Low water level in the boiler.
On a Bulk Carrier, which of these cargoes is susceptible to liquefaction due to compression and/or vibration?
Urea
Iron ore concentrates
Maize
Wheat
The engine does not turn when starting air is supplied because of:
The engine temperature is too low.
Released blocking function in remote starting system.
Water in the starting air.
Leakage in the indicator cocks.
The benefits of emergency response plans are only realized if:
survival craft are launched
escape routes are used
lifejackets are put on
the crew carries out the plans
Why shall you never pour water into hot fat?
The fat will stiffen immediately and need reheating.
The water will explode into steam causing hot fat to be thrown far away thus possibly causing severe burns or fire.
The water will turn into steam and cause the fat to explode.
The fat will not be edible any more.
Radio frequency signals can carry information from one place to another if they are modulated. There are several ways to modulate a carrier. Which modulating method is illustrated here?
Frequency modulation (FM)
Pulse-code modulation (PCM)
Amplitude modulation (AM)
Pulse-width modulation (PWM)
What must be accessible at all times whilst loading and stowing ro-ro cargoes?
Fixed cargo lashing points
Fire-fighting equipment
Ventilator trunking
The vessel's bracket connections to ro-ro decks
You are assigned to accompany a cargo surveyor during tank inspection. A wall-wash is to take place in tank 3 centre. As the surveyor is preparing his equipment for this, you observe that a drop of sweat falls onto the funnel. What will you do?
Draw the surveyor's attention to it. Take note that he thoroughly cleans the funnel with the wall-wash solvent before collecting the laboratory sample. Report the matter to the Duty officer.
Ask the surveyor to wait in the tank alone while you take the funnel up to the accommodation and rinse it in clean, fresh water.
Immediately instruct the surveyor to leave the tank and collect a substitute set of equipment.
Nothing. The odd drop of sweat will not usually make any difference.
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
What is meant by the term "certified gas free"?
A tank, compartment or ISO-container that has been tested and produced a negative result when tested for Hydrogen Sulphide and has then been closed until required for entry.
A tank,compartment or container that has been tested by an authorised person using an approved testing device and found to contain an adequate level of oxygen and free from toxic or flammable gases and for which a certificate authorising entry has been issued.
A cargo tank that has been tested by a ship's officer using a testing device that is in regular use and found to contain above 17.5% oxygen by volume and where a tank entry label is displayed in the vicinity of the tank lid.
A tank, compartment or container that has been tested for oxygen content by a certified shore chemist.
Passenger ships have a normal requirement of 1 lifejacket per person + 10% for children. In addition to this, how many lifejackets have to be stowed in conspicuous places on deck or at the muster stations?
50% extra
10% extra
25% extra
5% extra
A very sensitive and valuable commodity is loaded into refrigerated container which is more than 12 years old. The container has been 'pre-tripped' with all routine maintenance having been carried out to the refrigeration plant and sensors with parts being replaced as necessary and all functions appear normal. Which aspect of using this container is most likely to cause problems during the voyage?
Degradation of the insulation due to the age of the container leading to excess heat transfer through the walls.
The accuracy of the control system of the refrigeration plant.
The age of the refrigeration plant.
The type of gas used in the refrigeration plant.
When plotting a position, where should the Officer of the Watch select as the ships position, when three gyro compass bearings intercept as a triangle (Cocked Hat) and not as a single point?
At the centre of the triangle
At the point furthest away from any danger.
At the point nearest the course line drawn on the chart
At the point nearest to the danger, if any.
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
What is the recommended method of identifying galley utensils, such as knives, chopping boards and containers, that are dedicated to the preparation of specific types of food?
All galley utensils can be used for the preparation of any foodstuffs, so there is no need to dedicate or identify them in any way.
By making only one person responsible for issuing all utensils and tools in the galley.
A standard colour coding system.
By storing them in individual drawers or lockers.
If you alter the field excitation voltage (or field current) of one alternator operating in parallel, this will cause change in that alternators:
None of the mentioned alternatives
Frequency
Active load (kW)
Reactive load (kVAR)
What is the delivery pressure of a centrifugal pump dependent on?
The liquid-s density and delivery head.
The pipe resistance.
The net delivery heads.
The NPSH (Net positive suction head).
When would the cargo tanks of an LNG carrier normally be inerted?
Immediately after every cargo discharge operation.
Immediately before any of the ship's personnel enter the cargo tanks.
Before gas freeing for maintenance and inspection and after completion of the maintenance and inspection.
Immediately before every cargo loading operation.
Where should a mid-bay guide be positioned?
At the base of cell guides
On the tank top between two 20’ container bays
Between 20’ container bays on deck
On the tank top at the ends of 40’ container bays
On a Container vessel, why must duty crew members supervise the lashing of containers?
Because stevedores often apply container lashings haphazardly or place twistlocks incorrectly
Because of local port regulations
Because of time constraints on the vessel towards the end of cargo operations
Because it is an international requirement under the ISM Code
The bilge holding tank level is being reduced by discharging through the OWS. What action should be taken when the oil/water interface in the holding tank is reached?
Stop the OWS and pump the oil to the incinerator tank.
Stop the OWS and pump the oil to a bunker tank.
Bypass the OWS and discharge the remaining contents of the holding tank overboard.
Continue pumping the contents of the holding tank through the OWS.
Despite setting what appears to be the correct delivery air temperatures in accordance with shipper's instructions, large cargo loss claims can still occur when operating reefer vessels. Which of the options given is likely to help avoid the majority of these large claims?
By confirming that the shipper is supplying to a market that works in Fahrenheit or Celsius.
By confirming that the vessel plant is calibrated in the same temperature scale that the shipper is quoting.
By confirming the whether the shipper is referring to the delivery air or pulp temperature of the cargo.
By confirming the temperature scale that the shipper is using in his carriage instructions, Fahrenheit or Celsius.
What is the correct procedure to adopt when a liquid gas fire occurs?
Inform OOW
Start to extinguish the fire
Check the emergency plan
Promptly locate the fire and raise the alarm
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
Which regulations apply to bulk carriers carrying products that contain oil?
Regulations laid down by individual classification societies
MARPOL 73/78
SOLAS 74/88
OPA 90
A new cylindrical brass bearing sleeve for a pump shaft is found to be a few millimetres too long for the housing and needs to be adjusted to the correct length. Which will be the best method to use to reduce the length of the sleeve to the correct dimension?
Remove the excess length using the ship's lathe.
Grind off the excess on a pedestal grinder for quickness.
Cut off the excess with a mechanical hacksaw.
Manually hacksaw off the excess and dress the end with a file.
This circuit is a transformer with two windings, N(1) = 2000 and N(2) = 1000 turns, on a common magnetic circuit. Assume that there are no energy losses in the transformer itself. Calculate the output voltage V(2) when the input voltage is V(1) = 100 Volt.
V(2) = 200 V
V(2) = 50 V
V(2) = 10 V
V(2) = 400 V
LNG carriers are usually designated as Type 2G vessels according to the IMO IGC code. In relation to the 'Ship's Survival Capability' what is the level of preventative measure for cargo escape required for this type of vessel according to the Code?
Maximum preventative measures.
Minimum preventative measures
Moderate preventative measures.
Significant preventative measures
What is the possible concern if fuel tanks on a Bulk Carrier, which are close to cargo spaces containing grain, are excessively heated?
The grain cargo may produce methane gas
No damage should occur
The grain cargo may be heated and damaged
The cargo may liquefy
Which group of dangerous goods is generally considered as being the most hazardous for marine transportation on a General Cargo Vessel?
Toxic Gases
Infectious substances
Inflammable liquids
Organic peroxides
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 should be done prior to loading cotton?
The cargo hold fire-fighting system should be thoroughly examined
Tank tops should be sheathed
The holds should be inspected for signs of previous cargo residues
The cargo hold ventilation system should be thoroughly examined
How will you find the Tipping Moment of a cargo item?
Transverse accelerations/10 x weight of cargo item x height of its centre of gravity above its base
Transverse accelerations/10 x weight of cargo item x height of its centre of gravity above the keel
Transverse accelerations/7 x weight of cargo item x height of its centre of gravity above its base
Transverse accelerations/7 x vessel's natural roll period
For what purpose do we have deck water spray on gas carriers?
There isn’t any deck water spray on gas carriers
The purpose of the deck water spray is to cool deck if fire and to be used for washing deck
All ships carrying flammable cargoes must have deck water spray to flush cargo spill overboard and cool cargo area if fire
The purpose of the deck water spray is to flush cargo spill overboard
In which publication do we find information about the most common liquefied gases?
In ICS Tanker safety guide
In the vessels deck log book
In the International certificate of fitness
In the IGC code
"Noxious Liquid Substances which, if discharged into the sea from tank cleaning or deballasting operations , are deemed to present a hazard to either marine resources or human health or cause harm to amenities or other legitimate uses of the sea and therefore justify a limitation on the quality and quantity of the discharge into the marine environment". What is this a definition of?
A liquid cargo that is prohibited for carriage in vessels other than type 1 chemical tanker, as defined in the INC Code.
A category "Y" substance as identified in the revised MARPOL Annex II.
A category "X" substance as identified in the revised MARPOL Annex II.
An NLS as defined in ISGOTT revision V.
Are we allowed to load ammonia on inert gas?
We are not allowed to load ammonia on inert gas except when the inert gas is dry enough
We are not allowed to load ammonia on inert gas
We are allowed to load ammonia on inert gas if the inert gas has dew point less than 0oC
Ammonia can be loaded as long as the cargo tank is liquid free of last cargo
The engines have failed and will require at least 24 hours to be available as a reliable means of propulsion. Your vessel is about 20 miles off the coast in a tidal area. What are the initial steps that should be taken to ensure the safety of the ship?
Display NUC lights and determine if anchoring is possible
Display NUC lights and inform the nearest Coast Guard of you predicament.
Display NUC lights and send out a navigational warning to all other vessels of your position and situation
Display NUC lights and investigate the tidal flow over the next 24 hours and the probable drift of the vessel.
What does the Captain think about the Chief Mate's question?
He thinks, it is not a bad idea to sail in open waters because the traffic is sparse
He does not want to train the OS as helmsman because there is too much traffic in the area
He does not want the OS to go on watchkeeping duties next week because they are sailing in open waters
He wants the OS to train as helmsman today, because they are sailing in open waters and there is not much traffic in the area
What does this crane signal indicate?
Raise the boom.
Lower the boom.
Lower the load.
Lower the boom, lower the load.
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.