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Главная Онлайн-тесты CES Chemical tanker 2nd-Off / 3rd-Off Онлайн-тест CES 5.1 для 2nd-Off / 3rd-Off, Chemical tanker vessel
Онлайн-тестирование: Онлайн-тест CES 5.1 для 2nd-Off / 3rd-Off, Chemical tanker vessel
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Тест состоит из случайных вопросов по выбранной теме.
Вопрос 1 из 90
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Give the meaning of the following symbol
Survival craft distress pyrotechnic signals
Lifeboat hand flare
Buoy fitted with line throwing appliance
Line throwing appliance
The fire point is
The maximum pressure that will be reached when a given combustible burns into an enclosed space
The minimum temperature at which a combustible gives off vapours that may burn in contact with oxygen in air, and at which combustion persists once the source of ignition has been removed
A process of chemical decomposition by oxidation-reduction at unusually high temperature, in areas with slight ventilation.
The minimum temperature at which a combustible gives off vapours that may burn when they are in contact with oxygen in air, when there is a presence of activation energy; but with no capacity of maintaining combustion.
The extinguishing agent which can be applied on any fires of class A, B, or C is:
Halon
Sprayed water
CO2
Multipurpose powder
What types of gases are not allowed as fire-extinguishing medium for fixed gas fire-extinguishing system aboard ships? (SOLAS II-2/5.1.1)
Fuel combustion gases
Halogenated hydrocarbon gases
Toxic gases
Carbondioxide gases
Where shall manually operated call points be found?
So that no part of any corridor is more than 5m away from any manually operated call point
So that no part of any corridor is more than 20m away from any manually operated call point
there is no special rule for that
So that no part of any corridor is more than 10m away from any manually operated call point
*What precautions are necessary to prevent soot fires in the exhaust boiler ?
Hose down the smoke side at regular interval
Clean the smoke side regularly with soot blower equipment
Clean the smoke side with chemicals
All the mentioned alternatives
With an Inmarsat-C installation there is the addressing-option “special”. Via this option:
you can send a message by express delivery
Don't know
give one of Inmarsat’s “special accesscodes”
you can deliver a message via a special telegram
By a vessel in distress a SART is used. This SART is seen on the screen of a:
3 cm radar
3 and 10 cm radar
Don't know
10 cm radar
By “collect call” is meant:
a call for account of the receiver
an urgent call
Don't know
a group call
On board they want to send a telex message to the Apollogracht via Inmarsat. In the guides the following ID’s are found for the Apollogracht:24432000, 424432010, 424432020, 1300210, 36715. What ID should be chosen:
244320000
36715
424432010 or 424432020
Don't know
In addition to personal equipment a fireman's outfit also comprise breathing apparatus and a fireproof lifeline. How many complete sets of fireman's outfit is to be carried by all ships? (SOLAS II-2/17.3)
At least four sets
At least three sets
At least one set
At least two sets
OPA-90 is referring to a Qualified Individual (QI)
An individual certified by USCG to handle oil spills
QI is representing the USCG
QI is an authorised individual, situated in the US, and contracted by the owner or operator of the vessel
QI is the owner’s contingency leader
In MARPOL 73/78, the term "Special Areas" is mentioned in connection with discharges from oil tankers. What do you understand by this term?
Specific geographical sea areas, designated as Marine Conservation Areas by the United Nations, in which any discharge from the cargo area of an oil tanker is strictly controlled.
All sea areas within 50 miles from the nearest land, where that coastal state is a signatory to MARPOL 73/78.
Limited ocean and sea areas, listed under the OPA-90 Act, inside which the discharge of oil is prohibited and the penalty for doing so is an umlimited fine and unlimited jail sentence.
Specific geographical sea areas, defined in MARPOL 73/78, in which special mandatory measures for the prevention os sea pollution by oil are required.
When will we notice the effect of shallow water?
When Under Keel clearance is 15% or less
When Under Keel Clearance is 75% or less
When Under Keel Clearance is 50% or less
When Under Keel Clearance is 10% or less
What is most important when transferring route plans to other nav. systems?
Both systems use same chart datum
Both systems are made by the same manufacturer
Both systems are approved by the classification society
Both systems work according to specification
What transmitting equipment as a rule is not allowed for us in territorial waters:
Inmarsat-C transmitters
Inmarsat-A transmitters
Don't know
MF-transmitters
Give the meaning of the following symbol:
muster station to davit launched liferaft
inflate liferaft
davit launched liferaft
lower liferaft to water
Give the meaning of the following symbol:
muster station
gathering place for embarkation formalities
embarkation station
muster station for families only
Give the meaning of the following symbol:
child-s lifejacket
muster station for unaccompanied minors (UM)
lifejacket
immersion suit
Which one of the listed requirements regarding inflatable liferafts corresponds to present regulations? Every liferaft shall be so constructed that:
in the event of capsizing it will automatically attain a position providing an above water escape
have at least two entrances
it-s canopy has viewing ports in all directions
be prevented from pressure exceeding twice the working pressure, either by relief valves or by limited gas supply
Which item among those below is included in the normal equipment of every rescue boat ?
a survival manual
an efficient radar reflector
one daylight signalling mirror with instructions
four rocket parachute flares
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
anti-seasickness medicine and one seasickness bag for each person
one boat-hook
one searchlight which can work continuously for not less than 3 hours
Which item among those below is included in the normal equipment of every lifeboat ?
a VHF transceiver
one immersion suit for each person
sea-charts and navigating equipment
one set of fishing tackle
Which item among those below is included in the normal equipment of every lifeboat ?
a VHF transceiver
a searchlight which can work continuously for not less than 3hours
one immersion suit for each person
sea-charts and navigating equipment
Which one of the listed requirements regarding rescue boats do not correspond to present regulations? Rescue boats shall:
have self-bailing arrangements
have permanent arrangement for towing
be capable of carrying at least 5 persons seated and one person lying down
be capable of manoeuvring at speeds up to 6 knots
Which one of the listed requirements regarding the stowage of lifeboats and liferafts do not correspond to present regulations? (SOLAS II/13.3 - 13.6)
Lifeboats shall be stowed attached to launching appliances
Liferafts intended for throw-overboard launching shall be stowed amidships secured to means for transfer to either side
Davit-launched liferafts shall be stowed within reach of the lifting hooks unless adequate means of transport is provided
Liferafts shall be so stowed as to permit manual release from their securing arrangements
What is a hydrostatic release unit?
An important part connected to the sea-anchor.
A unit for inflating the liferaft.
A unit which automatically release all securing when abandon the vessel.
A unit which automatically releases the liferaft/lifeboat at a depth of approx 4 metres.
*Give the meaning of the following symbol
Lower lifeboat to water
Lower rescue boat to water
Lifeboat
Rescue boat
*On ships fitted with davit launched liferafts, how often should onboard training take place, including, when applicable, the inflation and lowering of a liferaft?
Every four months
Every year
Every month
Every three months
*Which of following items shall be included in an abandon ship drill?
Checking the lifeboat provisions and supplies
lowering of at least one lifeboat after any necessary preparation for launching
Checking passenger's immersion suits
Checking the distress signal rockets and other distress signals
What should be logged when fumigating a bulk cargo?
The amount of fumigant used in each cargo hold
The time of fumigation treatment given in each cargo hold
The name of the fumigator and fumigation company
All
During RoRo cargo operations, what must be monitored at all times where the ramps are concerned to prevent damage to the cargo
the controls are left unsecured at all times
The angle of the loading ramp is not to steep and that the ramp has not lifted of the jetty
the ramp is correctly painted
A slow speed diesel engine is fitted with a slow turning facility. How would the slow turning normally be set to operate?
It should be manually operated before the normal start sequence following an engine stopped period of more than 10 minutes.
It should automatically operate before the normal start sequence following an engine stopped period of more than 20 to 30 minutes when manoeuvring.
It should automatically operate before every normal start sequence.
It should automatically operate every 20 minutes when the engine is stopped during manoeuvring.
What is the purpose of an oil mist detector, OMD, as fitted to a diesel engine?
To detect any potentially explosive atmosphere in the crankcase.
To detect stuffing box leakages.
To detect circulation of the engine lubricating oil.
To avoid hot spots in crankcase.
What differences in design are there between a standard cargo hold and a cargo hold which can also be used for ballast on a Bulk Carrier?
There is no differences in design
This hold does not have ventilators
The coamings are much lower on the ballast hold
The ballast hold hatch cover must be fitted with additional securing devices
What is the purpose of refractory linings in an oil fired steam boiler furnace?
To support the steam drum.
To ignite the burner during automatic operation.
To prevent excessive furnace heat losses and protect tubes and other fittings from overheating.
To give added strength to the furnace.
How many rescue boats should be provided on ro-ro passenger ships of 500 gross tons and above?
Two Fast Rescue Boats, one on each side of the ship
Two, and at least one of the rescue boats shall be a Fast Rescue Boat
None providing the ship has lifeboats
One Fast Rescue Boat
A data logger printout is being studied. It can be seen that at regular intervals the return air temperature increases significantly for short periods of time before returning to normal. What is the most likely cause of this occurrence?
Routine defrosting of the evaporator coils.
Erratic operation of the refrigeration compressor.
Response of the refrigeration plant to daily ambient warming and cooling.
Faulty operation of the control system for the refrigeration unit.
On a Container vessel, what can cause large loads in lashings when containers are secured to a lashing bridge?
The lashing bridge is flexible but the hatch covers are fixed, causing the lashings to go alternately slack and tight
The lashing bridge is fixed but the hatch covers move when the ship rolls and pitches, causing the lashings to go alternately slack and tight
Due to flexibility of the hatch covers
Due to inflexibility of the lashing bridge
When working in parts of the inert gas system such as the scrubber or deck water seal, what procedure must be followed?
Normal working practice.
Working with self contained breathing apparatus (SCBA).
Enclosed space entry.
Working aloft.
The earth lamps in a 3-phase system indicate as follows: Red= bright Yellow= dark Blue= dim . Which fault condition shown as red - yellow - blue is correct?
light earth - hard earth - no fault
no fault - hard earth - light earth
hard earth - light earth - no fault
light earth - no fault - hard earth
What would be the most probable cause of light, smoky exhaust from a diesel engine?
The engine is overloaded.
Air in the fuel oil system.
Fouling of the charge air cooler.
Water carry over from charge air cooler to engine cylinders.
During loading operations on conventional reefer vessels steel sheets are sometimes placed in the hatch square to avoid damage to the gratings in the square. Select, from the options given, the likely consequence of leaving the steel plates in the hatch square.
Steel has a different heat capacity to the cargo and may cause unexpected results from cooling the cargo during passage.
The stevedores will claim against the vessel for removing the steel plates.
The steel plates may overload the gratings if they are left in place with cargo on top.
The steel plates may block the flow of refrigerated air through the cargo.
What does MARVS mean on a cargo tank?
Maximum Allowed Relive Valve Setting.
Minimum Allowed Relive Valve Setting.
Maximum Recovery System.
Maximum ROB of Vapour.
What is important to wear for all officers and crew when working on the ro-ro deck during loading and discharging?
If the car decks are empty, it will be easier for the crew to locate all passengers in case of an emergency
In case of an emergency situation it can be difficult for passengers to escape. Vehicles, lorries, trailers and other cargo are maybe lashed and it is a substantial chance for passengers to get injured. Vehicles and other cargo might also shift when the ship is rolling.
To prevent burglary and damage to cars
Vehicles and other cargo can shift when the ship is rolling. Persons may be trapped between vehicles or cargo.
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 medium is used to calibrate the ODME?
Fresh water.
Gasoline.
Sea water.
Crude oil.
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 has the cadet been ordered to do?
The Cadet has been ordered to to dismantle the evaporator
The Cadet has been ordered to test the steering gear
The Cadet has been ordered to help the Bo's'un sandblast the poop deck
The Cadet has been ordered to paint the evaporator using a paint brush
What does the Captain mean?
Set the engine to dead slow ahead, and change the course 10 degrees to port
There is a dead slow in front of the ship, 10 degrees to port
Set the engine to dead slow, and set the rudder angle at 10 degrees to port
There is a dead slow in port number 10
Under international regulations what must be frequently done during a cargo watch on a bulk carrier?
The number of stevedores working at each hatch must be recorded
The quantity of cargo loaded or discharged must be recorded
Weather conditions must be recorded
The vessel's draughts must be recorded
Cargo heaters are frequently used when discharging refrigerated LPG cargoes into pressurised shore tanks. What would be a typical "heating range" required from a heater for discharge of fully refrigerated propane?
From - 55 C to - 15 C.
From -25 C to +15 C.
From - 45 C to - 5 C.
From - 35 C to + 5 C.
During bilge pumping operations the pump suction gauge indicates a high vacuum. What is the most likely cause of the high vacuum reading?
Leaking pump gland.
A glogged bilge strainer.
A hole in the suction line.
Broken suction gauge.
How can an approximate value of the initial transverse Metacentric Height (GM) be found from the Curve of Statical Stability (GZ curve)?
The value in metres from the X axis of the point where the curve changes from concave to convex shape.
Drawing a tangent to the curve through the origin and erecting a perpendicular through the angle of heel of 57.3 degrees
Drawing a tangent from the highest point of the curve to the X axis and measuring it in metres
It is impossible to establish the GM value from the curve of righting levers (GZ)
What does the IMSBC Code emphasise with reference to the exposure of personal to the dust created when carrying some bulk cargoes?
The restricted loading of certain cargoes which may be excessively dusty
A high standard of personal hygiene
The responsibility of the Master to ensure that staff are wearing the correct clothing
The code does not make any reference to this hazard
In the context of oil tanker operations, what is "clingage"?
Oil residues remaining in the bottom of a cargo tank after tank-cleaning
The resistance to flow in a pipeline during the discharge of an oil cargo
Electrostatically charged bubbles of air and moisture suspended in an oil cargo after loading
Residues remaining on the inside of a pipeline, or on the internal structure of a cargo tank after an oil cargo has been discharged
What extra precautions should be taken by the officers and crew if some of the passengers are disabled, i.e. using wheelchair, cane, blind etc.?
Locate them in large cabins to ease their stay.
Passenger with some form for disability must travel with accompany, and live in same cabin or next door.
They must be placed in cabins on the same level as the muster station.
All passengers that will require extra assistance, also in case of an emergency situation/ evacuation, must be registered in order to allocate crew to assist them if needed.
What is the minimum number of ”Firemen’s outfit” on gas tanker, above 5,000 m3, carrying flammable products?
2 sets of Firemen’s outfits
4 sets of Firemen’s outfits
3 sets of Firemen’s outfits
5 sets of Firemen’s outfits
The main engine is running steady. What is the normal shut down pressure for "Lub.oil inlet to main bearings"?
0,5 Bar
0,2 Bar
2,0 Bar
1,0 Bar
A vessel such as a parcel chemical tanker, with an high inbuilt level of subdivision will typically not have a problem with which particular feature of stability which will need to be accounted for on other tankers that have large, unrestricted tanks?
Ability to maintain an effective trim throughout loading and discharge operations.
Wind Surface Area.
Free Surface Effect.
Expansion of cargo within tanks, due to cargo heating, with a consequent movement of overall Centre of Gravity.
Refrigerated compartments are usually fitted with two types of thermometer - those designed for indicating air temperature and those designed for indicating pulp temperatures. When a fruit cargo is being loaded which of the given options represents the best location for a pulp thermometer to be placed?
In the return air flow path.
Directly in the delivery air flow path.
Between two cartons in the middle of the stow.
On top of the stow.
What should a duty crew member do if he observes stevedores smoking in ‘no smoking’ areas?
Immediately inform the stevedore foreman and duty officer
Immediately inform the chief officer
Immediately inform the master
Wait to inform the relieving duty crew member
During loading of bananas the fruit should be visually inspected frequently to check the quality and for any indications as to its physiological development. Which one of the options given would indicate that the fruit is in suitable condition for shipment?
The bananas are green with a yellow hue. They are not really hard and do not break cleanly.
The bananas are green in colour with patches on the shoulder from the effects of sunshine and have relatively sharp ridges along the length. They can be snapped with sap clinging to the broken parts.
The bananas are yellow with small black spots on the skin. They cannot be snapped but the skin can be peeled off.
The bananas have a uniform green colour with relatively sharp ridges along the length. They can be snapped or broken with sap clinging between the broken parts.
You have just completed your tank cleaning programme for a set of tanks that previously contained Toluene. What will the main hazard be when you enter the tanks for mopping and inspection?
The lower part of the tank may still be wet and slippery. You may not be able to see this from the deck.
The atmosphere inside may contain insufficient oxygen to support life, or toxic vapours, or both.
There will commonly be insufficient natural light to safely descend the access ladder.
That there may hydrocarbons present on the bulkheads.
When securing a non-standardized portable tank what is a favourable securing angle that will prevent it from tipping in the fore and aft direction?
40 to 50 degrees
65to 70 degrees
60 to 65 degrees
50 to 60 degrees
What is commonly recognised as the main hazard associated with unprotected entry into an enclosed space on a tanker?
There are no significant hazards associated with entry into enclosed spaces on tankers
A potentially oxygen deficient or toxic atmosphere
Restrictions on access and mobility within the space
Lack of adequate illumination for safe movement within the space
Which of the following categories of galley waste is it prohibited to dump into the sea under any circumstances and irrespective of where the ship is located?
Inert ash from incinerated food waste.
Ground or comminutated paper, rags and glass.
Plastics, including bags, bottles and packaging.
Ground or comminutated food waste.
Cargo hoses intended for liquefied gas carriers have to be prototyped tested before being approved. When new hoses of an already approved type are received onboard they also need to be pressure tested before being put into service. What are the IMO Gas Code requirements for such hoses before they are put into service?
Not less than 1.5 times the specified maximum working pressure or more than two fifths of bursting pressure at the expected cargo carriage temperature.
5 times the specified maximum working pressure at ambient temperature.
5 times the specified maximum working pressure at expected cargo carriage temperature.
Not less than 1.5 times the specified maximum working pressure or more than two fifths of bursting pressure at ambient temperature.
When long-handled pans are in use on the range, how should the handles be positioned?
Long handled pans are prohibited at sea. Only those with small grip side handles can be used.
They should be turned outwards, so they are accessible at all times.
They should be turned inwards, so they are not accidentally caught by people passing by.
They should be wrapped with wet cloths and the pans positioned on the back hot plates, so that they will be safe from passers by but can be picked up at any time.
By what formula is the displacement calculated? W = Displacement; L = length; B = Breadth; D = depth of vessel; Cb = Block Coefficient; Cw = Coefficient of waterplane; RD = relative density;
W = L x B x d x Cb
W = L x B x d x Cw
W = L x B x d x RD
W = L x B x d x RD / Cb
Many liquefied gas carriers are fitted with inert gas generators to supply inert gas to ensure the atmospheres of various onboard spaces are non-flammable. How is cargo vapour from these spaces prevented from back-flowing into the inert gas generator and creating an explosion risk?
The deck IG main is always manually blanked off when the IG system is not running.
There are at least two mechanical non-return devices fitted to the deck IG main.
There is always a deck water seal fitted to the IG main.
The pressure at the generator outlet is always greater than that of the IG main.
How often is the performance check of a Voyage Data Recorder by a competent person required under SOLAS?
At the Intermediate Safety Equipment Survey.
When the battery is replaced.
Annually.
When the data media is downloaded.
What should be done immediately after discharging is completed?
Switch off the lights and close all fire doors
Wash the car deck
Inspect ro-ro decks. Wipe up spill such as oil or water from the deck and clear up lashing equipment
Paint the lanemarks
When Ro-Ro cargo is damaged what should be noted down immediately?
Chassis identifying marks and/or numbers
The driver’s name
Names of witnesses
The time, date and location of occurrence and details of the damage
What is the name given to the special list of cargo loaded on board a ship that needs to be prepared for reporting and other administrative purposes?
Manifest.
Stowage Plan.
Tally list.
Load Summary.
What is the main effect on lubricating oil of operating for long periods at excessively high temperature?
It will change the flashpoint of the oil.
It will cause the oil to oxidise, reducing the viscosity.
It will cause the oil to oxidise, increasing the viscosity.
It will cause the oil to evaporate, increasing consumption.
Select from the options given the one which best completes the following statement. "Reefer vessels, loaded with a homogenous cargo, usually operate with a small GM due to the fact that…
…they are designed with small fuel tanks."
…they are designed with fine lines and the biggest cargo spaces are at the top of the holds."
…they are designed that way to produce a gentle rolling motion."
…they usually have large deck cranes."
What is the minimum MARVS on a fully pressurised liquefied gas carrier?
Not be less than 7 bar.
Not less than the gauge vapour pressure of the cargo at 45 degrees C.
Not less than the gauge vapour pressure of the cargo at 0 degrees C
Not less than 0.7 bar.
This vessel is sighted ahead and slightly to port. What is her situation? What will you do?
This vessel is aground. I will navigate with extreme caution given the nature of the hazard.
This is a vessel not under command at anchor.
This is a vessel engaged in fishing vessel, with her nets fast on an obstruction. I will keep out of the way by rule 18 of the International Collision Regulations.
This is a vessel aground. She appears to have been headed to starboard of my track and I will therefore alter course to port, passing under her stern.
The peak pressure (maximum cylinder pressure) is often taken as an indicator of medium speed engine performance along with other parameters. What would be a typical peak pressure for a modern, highly rated, medium speed diesel engine?
140 to 180 bar
10 to 12 bar
80 to 100 bar
14 to 18 bar
A wire rope lashing is connected to an eye plate by means of a shackle. What is the Maximum Securing Load (MSL) for this lashing?
The Minimum Securing Load of the shackle
The Minimum Securing Load of the eyeplate
The Minimum Securing Load of the wire rope
The Minimum Securing Load of either the wire rope or shackle or eye plate
Why is grain bundled?
To prevent it from wetting
To prevent bulk grain from shifting
To aid stability
To compact the cargo
During restricted visibility you are posted, as lookout, on the bridge and you hear 1 prolonged blast at intervals of no more than 2 minutes on your port bow. What will you report to the OOW (officer on watch)?
Power-driven vessel making no way on port bow
A vessel at anchor on port bow
A vessel aground on port bow
Power-driven vessel making way on port bow
What is the maximum quantity of cargo permitted to be carried in a single tank on a type 1 chemical tanker as per the IBC Code?
2400 cubic metres.
3000 cubic metres.
1250 cubic metres.
750 cubic metres.
Which of the following insulation materials that are used onboard gas carriers has the highest diffusion resistance?
Mineral wool.
Polyurethane foam.
Perlite.
Air.
In most colour coding systems for kitchen knives, what colour is used only for knives used in the preparation of raw fish?
Green.
Brown.
Red.
Blue.
The ship is en route. When may passengers visit the bridge?
Whenever they want
When the weather is nice and the sea is calm
During daytime if the traffic is smooth
Passengers are not allowed to visit the bridge while the ship is en route
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 is the purpose of introducing inert gas into cargo tanks?
To make the tank safe for entry.
To reduce the static electricity potential in the tank.
To create a non-explosive atmosphere in the tank.
To prevent evaporation of the cargo.
When should bagged fishmeal not be rejected for loading?
When temperatures of the bags are around 25 degrees centigrade
When temperatures of the bags are 5 degrees above the ambient temperature
When bags are damaged
When bags are wet
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.