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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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Which one of the listed requirements regarding launching appliances for survival crafts and rescue boats do not correspond to present regulations?
Launching appliances shall be constructed for minimum amount of routine maintenance
The launching mechanism shall be arranged for actuating from a position within the survival craft or rescue boat in addition to a position on the ship's deck
All launching appliances shall be capable of recovering survival crafts and rescue boats with their crew
Parts requiring regular maintenance by ships crew shall be readily accessible
The extinguishing agent which can be applied on any fires of class A, B, or C is:
Halon
Sprayed water
CO2
Multipurpose powder
In a liquid fire the surface of which is about 100m?,
the radiated heat can spread to exposures placed 200m away
the radiated heat is lower than the conducted heat
the radiated heat can spread to exposures placed 100m away
Flames are usually higher than the diameter of the fire
*How long may the signal of a detector be left unacknowledged before it begins to ring automatically in every crew accommodation spaces, service spaces, control stations and machinery spaces of category A?
10 min
2 min
1min
5 min
*Is it necessary to have a visual and audible signal if an automatic sprinkler begins to work?
Yes
. Yes, if the sprinkler is in an unmanned engine room
Yes, if the spraying nozzle in question is not normally accessible to the crew while the ship is being navigated
No
*Class "C" bulkheads are bulkheads constructed of approved non-combustible materials:
that can withstand the standard fire test for 45 minutes
that can withstand the standard fire test for 30 minutes
that need not meet any of the requirements relative to smoke and flame nor limitations relative to temperature rise
that can withstand the standard fire test for 15 minutes
A self contained Breathing Apparatus should contain at least 1200 litres of air. How long should this last a normal person who is not carrying out hard work?
30 minutes
15 minutes
60 minutes
45 minutes
Which one of the listed requirements regarding abandon ship and fire drills do not correspond to present regulations?
Each member of the crew shall participate in at least one abandon ship drill and one fire drill every month
A training manual shall be provided in each crew messroom and recreation room or in each crew cabin
On all short international voyages, muster of passengers shall take place as soon as possible after departure
On all international voyages, except short voyages, muster of passengers shall take place within 24 hours after embarkation
To make a “call-request” one should:
select the ID of the NCS
select the telex in on-line position
select the telex in off-line position
Don't know
Proper transmissions of the NAVTEX-message can be aided ………… by:
automatic fault-check
automatically comparing the message earlier received ones
request for repetition of the garbled text fragment by the receiving NAVTEX installation
Don't know
What is the special requirement listed in IBC/BCH when loading White Spirit?
The tanks should be fitted with audible and visible high-level alarms.
The tanks should be fitted with remote temperature reading.
The tanks should be fitted with audible and visible high and high-high level alarms.
The tanks should be fitted with drop valves.
On chemical tankers, where dangers of both flammable & toxic gases exist, instruments to detect these shall be provided.If portable equipment is provided, you shall have:
At least three sets of instruments to detect each type of gas expected to be encountered?
At least two sets of instruments to detect each type of gas expected to be encountered?
At least one set of instruments to detect each type of gas expected to be encountered?
At least ten sets of instruments to detect each type of gas expected to be encountered?
You are on a vessel 10 nautical miles off the coast of Nigeria, West Africa. Are you allowed to dump empty glass bottles overboard ?
Yes, glass bottles can be dumped overboard
Yes, the bottles can be dumped if they are ground so that the resulting particles can pass through a screen with 25 mm openings
No, glass bottles can not be dumped overboard
Yes, the bottles can be dumped if they are ground so that the resulting particles can pass through a screen with 50 mm openings
A method NOT usually allowed in cleaning up oil spills in the US waters is:
Skimmers
Dispersant
Sawdust
Straw
In celestial navigation the angle measured westward from the first point of aries to the hour circle of the body along the celestial equator is known as:
Greenwich hour angle
Sidereal hour angle
Local sidereal time
Azimuth angle
Give the meaning of the following symbol
Gas detector
Push button for fire alarm
Heat detector
Foam nozzle
What is the possible position of a ship in distress called?
D-Point
Zero-Point
S-Point
R-Point
What is the correct understanding of the term "a ship with good Directional Stability"?
A ship which when the rudder is left amidships, it will continue on approximately a straight course
A ship where the amount of positive transverse stability (GM) will vary with the direction of the ship's head.
A ship which will maintain its course unless large rudder angles are applied.
A ship which when a rudder angle is applied and the ship starts to swing, will continue to swing even after the rudder is returned to amidships
A person wearing an immersion suit which has its own buoyancy is able to turn from a face-down to a face-up position in not more than:
30 sec
1sec
10 sec
5 sec
Which one of the listed requirements regarding service and maintenance of life-saving appliances correspond to present regulations?
Maintenance and repair of all life saving equipments shall be carried out by the certified ship staff only
Instructions for onboard maintenance of life-saving appliances in accordance with the regulations shall be provided
Maintenance and repair of all the life-saving equipments will be carried out ashore in work shop only
At least one member of the crew shall hold a repairman certificate for life-saving equipment
Which one of the listed routine test and inspections of life-saving appliances is not required by the regulations?
Inspection of life-saving appliances, including lifeboat equipment shall be carried out monthly to ensure they are complete and in good order
Survival crafts and rescue boats with launching appliances shall be visually inspected weekly to ensure they are ready for use
Lifeboat engines to be run for at least 3 minutes every week
General emergency alarm to be tested daily
Which of the following fittings shall be provided to all lifeboats:
an electric power starting system for the propulsion engine with one rechargeable energy source
a remotely operated steering arrangement
a boarding ladder that can be used at any entrance for persons in the water
permanent boarding arrangements on both sides to enable persons in the water to board the lifeboat
*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
How many Radar Transponders (SART) are required to be carried onboard a ship for use in survival crafts?
Two on each side of the ship
One in each lifeboat
2 on new-builds only. Old ships have to comply by August -95
One on each side of the ship
How is the painter attached to the lifeboat released once the boat is waterbone and ready to leave?
Remove the toggle which will release the painter
Cut it with the axe provided
The painter will automatically part by the weak link when the boat goes astern to clear the ship
Cut it with the knife contained in the equipment locker
*How much water per person is provided in a liferaft not equipped with a desalting apparatus?
3 litres
1litre
5 litres
1.5 litre
The Muster List shall show the duties assigned to members of the crew. Which of the following duties shall be included according to present regulations?
Preparation of immersion suits for passengers.
General preparation of life-saving appliances.
Operation of the vessel's propulsion system.
Preparation of survival crafts' Emergency Position Indicating Radio Beacons (EPIRRB).
Where do you find minimum drill requirements?
In the SOLAS convention.
In classification society rules.
In manager's instructions.
In owner's instructions.
*Which of the following detailed explanations should be mentioned in the Training Manual ?
The way to board, launch and clear the survival craft and rescue boats
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 navigational equipment for survival crafts
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. The training manual shall contain detailed explanations of crew duties in relation to emergency situations. Which of the following tasks or duties shall be included in the manual according to present regulations?
The use of oars and other propulsion equipment for survival crafts.
Best use of the survival craft facilities in order to survive.
The use of navigational equipment for survival crafts.
The use of on-board communication equipment.
The maximum height that a pilot should be required to climb on a pilot ladder before reaching the deck or stepping onto an accommodation ladder platform is:
9 mtrs
6 mtrs
15 mtrs
12 mtrs
By which method is the Vapour Pressure of Crude Oil determined?
The ASTM Elementary Assessment Method.
The API Open Cup Laboratory Method.
The Reid Closed Test method.
The True Vapour Pressure value is always used.
Which of the following is not a principle of heat transfer utilised in a boiler?
Ionisation.
Conduction.
Convection.
Radiation.
What is Inert Gas?
It is a gas containing insufficient oxygen to support the combustion of hydrocarbons.
It is a gas containing too much hydrocarbon vapour to support combustion.
It is a gas containing no oxygen.
It is a gas containing less than 21% by volume oxygen.
When data are to be transferred over telephone lines, we often utilize modem at each end. Which of the following adapter cards (parts) will you use for interfacing a modem to a computer?
Enhanced graphic adapter
Parallel adapter
Serial adapter
VGA display adapter
What charateristics of Seed Cake group B (IMDG Class 4.2) cargo should be considered when carrying in bulk?
The only concern is that the cargo may self-heat slowly.
The only concern is the cargo may be liable to oxidise, causing subsequent reduction of oxygen in the cargo spaces
The only concern is that the cargo may be liable to spontaneous combustion.
Cargo may self-heat slowly; may spontaneously ignite; liable to oxidise; may produce carbon dioxide
What pressure is present in the crankcase of a vapour compression refrigeration compressor?
The same as the discharge pressure.
The same as the atmospheric pressure.
The same as the lubricating oil pressure.
The same as the suction pressure.
When opening hatch covers on a General Cargo vessel, what would indicate that there was ingress of water into the cargo holds during the voyage?
Rust-stained cargo
Evenly-distributed rust spots around the cargo hold
Evenly-distributed rust spots on cargo
Bright rust streaks on hatch coamings
Can containers carried on multi-purpose or general cargo ships be lashed with lashing wires and chains?
Yes, if provided for in the vessel’s Cargo Securing Manual (CSM)
Yes, always
No
Yes, together with dedicated container lashing equipment
Which group of containerised dangerous goods is considered the most hazardous for marine transportation, due to possible decomposition at normal temperatures?
Inflammable liquids
Organic peroxides
Infectious substances
Toxic gases
LPG carriers rely heavily on the compressors fitted as part of the reliquefaction plant. Screw and reciprocating types are widely used. Which type of reciprocating compressor is most common as a cargo compressor?
Double acting, single stage, oil free compressor.
Double acting, single stage, oil lubricated piston compressor.
Double acting, two stage, oil free compressor.
Single acting, single stage, oil free piston compressor.
An airway should be used when
The patient is breathing on his own but is doing so with great difficulty
The patient has stopped breathing
Patient has injury in the mouth
The patient is unconscious
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
Over a period of a few hours of operation the main diesel engine speed gradually falls off. From the options given what is the most likely cause of this fault?
Fouling of turbocharger intake filters.
Water in a cylinder.
Injection valve opening pressure is too low.
Governor linkage broken.
What has a major adverse effect on the manoeuverability of a RoRo car carrier?
Fore end design
Wind
The vessel's block coeffecient
Tidal streams
What is the main quencher for an oil tanker?
Powder.
Foam.
Water.
Carbonic acid.
When cargo discharge reaches stripping levels on an oil tanker, it is necessary to reduce the inert gas pressure. Why is this?
To avoid over-capacity in the IG generator.
To avoid locking the cargo pump impeller.
To minimise blowback.
To comply with MARPOL Annex VI.
You have just finished discharging several grades of chemicals. Why is it important that the Chief Officer has considered "solubility" when planning the tank-cleaning programme?
Because it will have indicated if hydrocarbons will still be present on the tank bulkheads after initial cleaning and that a chemical additive may need to be circulated or sprayed afterwards to remove them.
Because it will have shown which tanks need to be cleaned first.
Because it will have indicated if the cargo residues can be cleaned with water alone, or if a chemical additive will be needed to help break them down.
Because it will have indicated how much odour there is likely to be remaining in the tank after cleaning.
As ships get older which hatch covers need special attention when battening down for sea passage?
The aftermost hatch covers
The midships hatch covers
The foremost hatch covers
Hatch covers abaft the accommodation
When general cargo is damaged during heavy weather on a General Cargo vessel, which of the following persons should attend on board at the next port?
Surveyor representing the consignee
Class surveyor
Surveyor representing the vessel's hull & machinery underwriters
Surveyor representing the vessel's P. & I. Club
During overhaul of some plate type compressor valves the engine room rating is asked to clean the valve plates and seat. Some of the valve plates are heavily marked. What action should be taken?
Skim the valve plates in the lathe to remove all of the marks.
Discard the defective valve plates and replace them with new spares.
Dress the valve plates up using a portable grinder.
Use coarse grinding paste to remove the marks from the valve plates as quickly as possible.
When checking the closed butt gap clearance of new piston rings prior to fitting onto the piston it is normal to try the rings in the liner so that the gap can be measured. From the options given select the best part of the liner to use to carry out these checks.
Near mid-height of the liner.
Near the bottom of the liner.
Near the top of the liner.
Just above the scavenge ports.
When should carbon dioxide gas be injected into a cargo hold containing bagged fishmeal?
When temperatures taken around the cargo hold exceed 35?C
When ambient temperatures exceed 38?C
When cargo temperatures exceed 55?C and heating continues
When smoke starts issuing from a cargo hold
On a Container vessel, what is the function of a buttress?
To support the lowest tier of containers in a non-cellular cargo hold
When used at the base of container stacks its prevents the tank top plating from being pierced
To support container stacks in a non-cellular cargo hold
To support the lowest tier of containers in a con-bulker's cargo hold
A general cargo vessel is loading to summer loadline marks; where should be the final level of water ?
The top of the winter mark
The mid point between the summer and the tropical mark
The bottom of the summer loadline mark
The top of the summer loadline mark
This resistor has the value of 68 k ohm. Which colour code should be marked on the rings (assume ring d is the tolerance ring)?
a. red b. black c. yellow
a. blue b. grey c. orange
a. black b. red c. orange
a. violet b. green c. yellow
When a new crewmember joins a ship for the first time, on-board training and instructions in the use of the ship's life-saving appliances, including survival craft equipment and in the use of the ship's fire extinguishing appliances shall be given as soon as possible. What is the maximum timeframe for completion of this training?
Maximum 1 week
Maximum 6 months
Maximum 2 months
Maximum 2 weeks
What is the name of this unit?
A liferaft release unit
A slip hook
An antistatic release unit
A hydrostatic release unit
To correctly interpret the readings on the printout from a reefer vessel’s cargo data logger it is essential to have some knowledge of the location of the temperature sensors. Where would the temperature sensor for the delivery air to a cargo hold be expected to be located?
Just above the cooling coils where the air returns from the cargo space.
In the air flow path from the cooling coils, about 3 metres from the coils.
In the air flow path from the cooling coils, but at the opposite end of the cargo space to the coils.
Near the centre of the cargo space.
Who is responsible for the safe keeping of the ship's documents?
Chief Officer
Chief Engineer
3rd Officer
Master
On a RoRo vessel, which of the following is likely to tip over in heavy weather?
Cargoes with low centres of gravity
Flatbed trailers
Vehicles
Cargoes with high centres of gravity
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.
Do we find integral tanks as cargo tanks on gas carriers?
Integral tanks are normally not allowed on gas carriers other than LPG carriers
Integral tanks are allowed on all types of gas carriers
Integral tanks are normally not allowed on gas carriers if the cargo to be carryed have boiling point less than –10oC at atmospheric pressure
Integral tanks are normally allowed on gas carriers if the cargo to be carryed have temperature above –10oC
In which locations will Ro-Ro units be stained when a vessel is at sea?
Units stowed on ramp slopes
Units stowed near watertight doors
Units stowed in way of fan duct exits
Units stowed near gas tight doors
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 would be the effect of a large GM on a ro-ro vessel?
The possibility of assuming an angle of loll
A stiff ship with a quick roll period
An adverse affect on seaworthiness
The possibility of capsizing
In the diagram below we want to verify the resistance of the PT100 sensor fitted with compensation. What is the correct calculation?
R(Pt100) = R1 + R2
R(Pt100) = R1 - R2
R(Pt100) = R1 : R2
R(Pt100) = R1 x R2
You are having a blow-by on the main engine, but due to the circumstances, it is impossible to stop and do a piston overhaul. What is the correct action to take?
No action necessary.
Reduce speed temporarily and increase cylinder oil consumption.
Reduce speed.
Increase cylinder oil consumption.
Which of the options given is the most likely reason for a drop in pressure at the charge air manifold of a diesel engine?
Air filter to turbocharger fouled or obstructed.
Increased engine load.
Charge air cooler fouled on waterside
Air passageways or ports to the engine cylinders partly blocked due to fouling.
Why should ro-ro units with small overhead clearances be driven at very slow speed?
To comply with the cargo manufacturer’s instructions
To prevent damaging the vessel’s fixed deck lashing points
To prevent contact with a deckhead or overhead obstruction
To prevent tyre damage
What is the minimum information to be given on a dangerous goods declaration on a General Cargo Vessel?
IMO Class, weight, cargo brand name, stowage requirement
Gross and net weight, volume of cargo, proper shipping name
IMO Class, UN Number, Gross weight, number of units of cargo, Proper Shipping Name
UN Number, Volume of units, stowage requirements, weight, centre of gravity
Where do you find detailed information and specific technical requirements for fire safety systems?
SOLAS
ISM Code
Fire Safety Systems Code (FSS Code)
Safety Management System
How often shall liferafts be serviced?
Decided by the safety officer
At intervals not exceeding 12 months
At intervals not exceeding 18 months
Every second year
A main steam boiler is to be shut down for an extended period. Which of the following methods for the lay up is best suited to maintain the boiler in good order?
Lay the boiler up dry by just draining all of the water and closing all the access doors.
Lay the boiler up wet completely filled with clean distilled water with a slight head on the steam drum to avoid any air pockets.
Lay the boiler up dry by draining all of the water and fitting heaters in the drums to prevent condensation forming which may result in corrosion.
Lay the boiler up wet with normal working water level and chemical treatment maintained.
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.
What is understood by the term, "The Lee Side"?
Lee Side is the Port side of the vessel
Lee Side is the side that faces the wind
Lee Side is the side that faces away from the wind
Lee Side is the Starboard side of the vessel
A reefer vessel is to load a cargo of plantains and bananas. Due to space restrictions both have to be loaded into a common space. The usual delivery temperature for bananas is about 13 degrees Celsius and for plantains it is 7 degree Celsius. What would be the best delivery temperature for the mixture of these two fruits?
Adjust the set point of the delivery temperature to 7 C for 12 hour periods and 13 C for the intervening 12 hour periods.
7 C as plantains are more sensitive to the higher delivery temperature of the bananas.
10 C as this is the mean temperature of the two cargoes and they would both carry satisfactorily at this temperature.
13 C as plantains are less sensitive to the consequences of a higher delivery temperature.
Records relating to breaches of security and changes in security level must be secured against unauthorized access and available for review by contracting governments.
TRUE
FALSE
.
After clearing lines following the loading of cargoes such as Naphthas, Xylene, Toluene, Benzene, White Spirits and Kerosenes, it is necessary to wait for a specified period before taking manual ullages or samples. Why is this?
These are all "static accumulator" cargoes. As a cargo line is blown, electrostatically charged bubbles enter the tank and rise through the cargo, generating a high voltage at the surface. It is necessary to wait for a specified period of "relaxation time", to allow the charge to disperse, before introducing any potentially conductive object.
These are all cargoes which may form a wax on the surface of the cargo. As a cargo line is blown, bubbles enter the tank and rise through the cargo. If exposed to cold air as they reach the surface, a wax "carpet" may form across the whole tank. It is necessary to wait for a period of "levelling time" before allowing any air to enter the tank and taking any manual ullages or samples.
These are all cargoes with a high vapour pressure. As a cargo line is blown, the pressure in the ullage space above the surface of the cargo increases. It is necessary to wait for a period of "settling time", before opening the tank lids for sampling and gauging.
These are all cargoes considered to have high noxious vapour levels. As a cargo line is blown, the surface inside the tank is severely disturbed, releasing large quantities of these vapours. It is necessary to wait for a period of "adjusting time", before carrying out any open sampling or gauging.
Why is it important to recognize the language of the passengers?
Enables you to communicate with them during normal operation.
Enables you to inform all passengers about arrival time.
So that you are able to address all their needs.
Enables you to communicate with them during normal operation and in an emergency.
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
Which is the preferred state to have the main turbine in while shutdown for a short stay in port?
Left with autospin operating to give periodic turning.
Gland steam left on to keep the rotor and casing warm and with turning gear switched off but engaged to 'lock' the rotor in position.
Turning with the turning gear and gland steam on.
All steam shut off with turning gear switched off but engaged to 'lock' the rotor in position.
What is one reason for repeating a command to passengers in an emergency?
You can establish your presence.
You won't have to say the command more than twice.
You don't have to be as clear in what you say.
More people will have a chance of hearing the command.
Sometimes an early warning of failure in High Voltage switchboards may be an unpleasant smell. If the switchboard uses gas circuit breakers, which of the following may indicate a potential problem?
Chlorine.
Gas oil.
Rotten fish.
Rotten eggs.
What stability precautions should be taken when loading heavy cargo on a conventional general cargo vessel?
There would be no specific stability problems with a heavy cargo, because the ship would be down to her marks before the spaces were full.
Stow the cargo in the lower hold and keep the Centre of Gravity low and have a large positive GM
Stow some of the cargo in the Tween deck space to raise the Centre of gravity and reduce the effective GM
The lashings should be adequate for the weight of the cargo
A refrigeration plant is short cycling even though there is plenty of refrigerant in the system and all of the rooms are above temperature. From the options give select the one which is the most likely cause of the problem?
Low oil level in the sump causing the automatic low oil pressure cut out to operate.
Blocked filter drier causing the automatic low pressure cut out to operate.
Insufficient cooling water flow through the condenser causing the automatic high pressure cut out to operate.
Ice formation in the meat room evaporator coil causing the automatic low pressure cut out to operate.
How often should boiler water tests be carried out on a steam boiler?
Every hour.
Every day.
Every fortnight.
Every week.
When it is midsummer in northern Europe, what time of the year is it in South Africa?
Midsummer
Autumn
Midwinter
Early spring
What are the Chief Mate's orders?
He orders the windlass covered up
They are to prepare for the voyage
He wants The Bosun to oil the moving parts of the windlass
He wants the anchor secured thoroughly
Why did the pilot recommend the SE channel?
Because all lines forward were not clear.
Because the bow thrust was stooped, and they had to let go the tug.
Because the main engine could only run half speed ahead.
Because that was the safest passage taking due considerations to the ship-s draft.
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.