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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
Онлайн-тест
Описание
Тест состоит из случайных вопросов по выбранной теме.
Вопрос 1 из 90
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Which part of the float-free arrangement for inflatable liferafts is made to free the container of the liferaft from its berth during the ship is sinking?
the lashing strap
the weak link
the hydrostatic release unit
the painter
Which of the following is a combustion reaction?
All the answers are good
Open fire
Smouldering fire
Explosion
* In general, under which value is it necessary to lower oxygen content in order to put out a "class B" fire?
O2 < 12%
O2 < 71%
O2 < 1%
O2 < 21%
A flame detector is activated by:
The infrared radiation and ultraviolet radiation given off by flames
The rise of the environment temperature
Smoke, gas, sparks and high temperature
The radiation of heat given off by flames
*In general, which of the following is the maximum length of a main vertical zone?
20 meters
40 meters
The ship-s breadth
The ship-s length
*When the fire alarm signal is sounded every member of the ship's crew shall immediately proceed to their assigned fire station. Which one of the following signals is used as fire alarm signal on board cargo ships?
Three short blasts followed by three long blasts, then followed by three short blasts on the ship's whistle and alarm bells
Seven short blasts followed by one long blast on the ship's whistle and alarm bells
One long blast on the ship's whistle and alarm bells followed by seven short blasts
Intermittent signals on the ship's alarm bells
Fuel oil from a leaking fuel pipe has been collected in a drip tray under the boiler furnace. The oil is suddenly ignited by a backflash from the boiler burner. You are in the boiler room and you may chose among various extinguishers. Which one can you use?
Water extinguish
Powder extinguisher
Any of the mentioned extinguishers
CO2 extinguisher
The “squelch” adjustment on the front panel of a mariphone serves to:
adjust the transmitting power of the mariphone
Don't know
adjust the noise threshold of the mariphone receiver
limit the noise of the mariphone transmitter
A burn may occur when electricity of high current and voltage passes through the body. Most damage occurs at the points of entry and exit of electricity. What is the treatment of electrical burns?
Remove loose skin and apply ointment. Don't secure with bandage.
Place sterile dressing over the burn and secure with a bandage.
Apply lotions and ointment to injured area and secure with a bandage.
Break blisters and secure with bandage.
Which position is the best to stop bleeding from the nose?
Sitting on a chair, leaning forward, with two fingers pressing the nose together.
Laying on the back, holding a wet, cold towel on the top of the nose.
Holding the nose above steamed water.
Laying on the back, leaning the head as much back as possible.
Your vessel is moving in Panama Canal waters. When must a regular engineer be on watch in the engine room?
At all times
When requested by the pilot
When the chief engineer is attending the engine room
Not necessary to be in the engine room if the unmanned engine room status is practiced and alarms have been checked
Who is authorized to prescribe use of locomotives and canal deck-hands during transit of the Panama Canal?
The master
The Cristobal or Balboa harbour masters respectively
The pilot
The Canal authorities
Your vessel is moving in Panama Canal waters. When must a regular engineer be on watch in the engine room?
When the chief engineer is attending the engine room.
When requested by the pilot.
Not necessary to be in the engine room if the unmanned engine room status is practiced and alarms have been checked.
At all times.
While navigating using a paper chart marked WGS84 the OOW plots the ships position by four different methods and they all give slightly different positions. Which of the following would be considered the most accurate.
Radar ranges from two radar destinctive headlands
GPS set on WGS84 datum
Bearing and distance from a navigation buoy close to the vessel
Gyro compass bearings from two lighthouses
Give the meaning of the following symbol:
gathering place for embarkation formalities
muster station for unaccompanied minors (UM)
muster station
embarkation station
The breaking strength of the painter in a liferaft permitted to accommodate 15 persons is at least:
7,5 kN
10 kN
5 kN
2,5 kN
Instructions for onboard maintenance of life-saving appliances shall be easily understood and illustrated wherever possible. Which of the following items do not necessarily have to be included in the instructions according to present regulations?
Schedule for periodic maintenance
Check list for periodic inspections
List of replaceable parts
Log for records of inspections and maintenance
Give the meaning of the following symbol:
immersion suit
waterproof protection
child's lifejacket
diver suit
How would you know how many people a lifeboat is supposed to hold ?
ask one of the deck officers
the number of persons should be clearly stated on the outside of the boats bow
no fixed number as it depends on the people's size
fill the boat up until no more space is left
Which item among those below is included in the normal equipment of every lifeboat ?
three tin-openers
one immersion suit for each person
a VHF transceiver
sea-charts and navigating equipment
Which item among those below is included in the normal equipment of every lifeboat ?
one immersion suit for each person
a manual pump for effective bailing
sea-charts and navigating equipment
a VHF transceiver
Every inflatable liferaft , inflatable lifejacket and hydrostatic release units shall be serviced:
Every 24 months.
Every 18 months.
Every 36 months.
Every 12 months.
What is the meaning of this symbol ?
Davit-launched liferaft
Evacuation slide
Embarkation ladder
Lower lifeboat to water
*Which of the following detailed explanations should be mentioned in the Training Manual ?
How to use navigational equipment for survival crafts
How to release from launching appliances
How to use escape routes and other escape methods
How to use surface to air visual signals to be used by survivors
Which one of the listed requirements regarding abandon ship drills corresponds to present SOLAS regulation?
Drills shall be conducted when the ship is in a harbour.
All lifeboats shall be lowered during drills.
On ships on short international voyages, each lifeboat shall be launched and manoeuvred in the water at least every six months.
Each lifeboat shall be launched with its assigned crew, and manoeuvred in the water at least once every three months during an abandon ship drill.
Who is the responsible person for the safety of the ship and all those onboard?
The Master
Master, Chief Officer and Chief Engineer
The company
The authorities in each different port the ship calls
What should be carried out before entering the pump room?
Run the ventilation for at least 15 minutes
Notify the Chief Officer or officer on duty
Always carry a walkie talkie with you into the pump room and call for help immediately if you start feeling dizzy
Notify the Chief Officer or officer on duty and run the ventilation for at least 15 minutes.
In a large, 2 stroke, main diesel engine cylinder lubricating oil is supplied directly through lubrication points cut into the cylinder liner. At what point during the cycle should the supply normally occur.
At mid-stroke of the piston.
As the piston rings pass the lubrication points.
At Bottom Dead Centre.
At Top Dead Centre.
What is the purpose of the purge gas condenser fitted to some liquefied gas carrier reliquefaction plants?
It is used to condense all of the cargo vapours that have been used in purging a cargo tank.
It is used to generate the cargo vapours required for purging the cargo tanks.
It is used to condense out any nitrogen or inert gas that has collected in the main condenser.
It is used to condense out any cargo vapours which have passed through the main condenser with incondensable gases.
Why is it necessary to have routine testing of the cooling water?
To detect the presence of contaminants in the water that may be injurious to the cooling system.
It is not necessary.
To ensure that the proper residuals of treatment chemicals, as specified, are maintained all time.
To trace leakage in the cooling water system.
What is the maximum allowable tank design pressure in the vapour space on Type "A" tanks?
0.43 barg.
0.5 barg.
0.25 barg.
0.7 barg.
What are some of the most important tasks to carry out on a bulk carrier, before commencing hatch cleaning operations?
Collect tools and hoses
Hatch covers to be opened and cranes ready
Sufficient manpower available and ER informed
Risk Assessment, Permit to work /enter and tool-box talk
What English term is applied to dried foods that have been rehydrated by soaking in water or another liquid?
Reliquefied.
Reconsolidated.
Reconstituted.
Restorated.
Which of the tools given in the options would be best suited for cutting a piece of angle iron?
Hacksaw.
Tenon saw.
Crosscut saw.
Rip saw.
It is possible to successfully mix certain types of refrigerated cargo in the same space if they are compatible. Sometimes apparently dissimilar cargoes can be successfully mixed. Which one of the combinations given in the options could be successfully carried as a mixed cargo in the same cargo space?
Oranges and butter.
Oranges and rock lobster.
Oranges and bacon.
Oranges and apples.
Pasta is often referred to as "al dente". What does this mean?
Coated with oil before boiling.
Part cooked.
Tender, but slightly firm to the bite.
Served separately from other ingredients.
On oil tankers, Cargo tanks can be isolated from machinery spaces by:
Pump room
Ballast tanks
Cofferdams
All the answers are good
What name is given to the oriental pan which has a small round base and wide sloping sides, commonly used for cooking "stir-fry" dishes?
Gok.
Wok.
China pan.
Wack.
What do we mean with LEL when measure the atmosphere?
LEL is low level alarm
LEL is limit for level alarm
LEL is lowest temperature for ignitionLEL is limit for level alarm
LEL is lower explosive limit
You have just started to load Dicyclopentadiene to 5 port and starboard cargo tanks, but no cargo seems to be coming into the tanks. What will you do?
Stop cargo - notify the Duty Officer and / or the terminal dependng on the agreed communication procedure. Re-check the lines, valves and connections carefully, bearing in mind that there might be a build-up of pressure. Advise as appropriate.
Open the main lid on the tank and use a flashlight to try and see if there is a problem with the pump or line inside.
Carefully slack the bolts back on the connections, working initially on the off-shore mainifold, to determine how far the pressure extends in the ship's pipeline system, to determine which valve is giving the problem.
Re-check all valves. Just say nothing and open it, if one is found closed.
What do you understand by: Hydrographic vessel in position…….wide berth requested?
This means: the hydrographic vessel is providing a wide berth
This means: the hydrographic vessel wishes to go alongside a wide berth
This means: the hydrographic vessel is very wide
This means: keep well clear of the hydrographic vessel in position………
When documenting Crude Oil Washing operations in the Oil Record Book, which of the following must be included in the sequence of entries?
The ullage in the tank at the commencement of washing
The ship's speed during the washing operation
The method of establishing that the cargo tanks were dry
The average oil cargo temperature during the washing operation
Which of the following is most likely to influence changes to emergency plans and procedures?
MARPOL 73/78
The safety requirements of the USCG
The design and layout of the ship
The ISM Code
What hazard is associated with carrying ammonium nitrate?
It has several subsidiary risks
It is a marine pollutant
It is liable to spontaneous combustion
It can explode
Recording the pulp temperature of fruit at all stages of the transport chain provides a valuable record of the status of the product. Which of the procedures given in the options should be adopted by a deck officer when dealing with the fruit?
After taking the pulp temperature the individual piece of fruit should be retained in the space with other specimens that have been used
After taking the pulp temperature the individual piece of fruit should be discarded as the specimen used will usually spoil rapidly.
It does not matter whether or not the specimen is left in the cargo space as the carriage temperature will preserve it.
After taking the pulp temperature the individual piece of fruit should be returned to the carton of fruit from which it was sampled
What is the function of the "scrubber" in the inert gas system on an oil tanker?
To prevent backflow of dangerous vapours to the machinery space.
To blend the flue gas and air and achieve the desired concentration levels for tank inerting.
To wash and warm the flue gas.
To quench, cool and clean the flue gas.
Gas tankers are often fitted with fixed water spray system for fire protection purposes for deck areas, deck tanks, deck manifolds and pipelines. What is the minimum required flow rate of water per minute for horizontal and vertical surfaces to ensure adequate, uniform coverage of these areas?
100 litre/m2 per minute for horizontal surfaces and 50 litre/m2 per minute for vertical surfaces.
20 litre/m2 per minute for horizontal surfaces and 10 litre/m2 per minute for vertical surfaces.
10 litre/m2 per minute for horizontal surfaces and 4 litre/m2 per minute for vertical surfaces.
50 litre/m2 per minute for horizontal surfaces and 25 litre/m2 per minute for vertical surfaces.
Which of the options represents the best action to take when an item of machinery, which normally operates in automatic mode, is operated in 'manual' mode?
Have someone permanently stationed at the machine in case of an operational problem.
Keep the Chief Engineer informed of machines performance on an hourly basis.
Change over all other machinery to manual mode of operation.
Monitor the operation of the machinery on a frequent basis.
What is the first line of defence against ingress of water into a bulk carrier?
Pipe outlets
The shell plating
Machinery spaces
Hatch covers
Which of these statements about drug smuggling is true?
"The preventative measures you incorporate into your ship’s security plan should be exhaustive, regardless of the level of threat identified by your ship’s security assessment."
The risks to ships are not restricted to specific areas or trading routes.
Drugs are difficult to conceal onboard a ship.
"Drug smuggling is only a problem in certain ports, so only ships sailing in those ports need to implement preventative measures."
Cargoes of frozen beef and chilled beef have approximate carriage temperatures of minus 18 and minus 1 degree Celsius respectively. Greater care is required when carrying chilled beef as it is more sensitive to deviations from, and requires finer control of, its recommended carriage temperature. Which option best completes the following statement? "This additional care is worthwhile because…
...carrying chilled beef is a modern innovation."
…chilled beef is healthier for consumers."
…chilled beef can be kept longer than frozen beef."
…chilled beef commands a much higher price in the market."
What is the minimum number of lifebuoys that shall be provided with self-igniting lights an self-activating smoke signals?
At least 1
4
2
50% of the total number of lifebuoys
Hydrogen Sulphide in crude oil and certain other oil products is most obviously associated with problems of vapour inhalation, but which of the following is also a serious problem associated with this component, particularly in high concentrations?
Settling and layering.
Polymerisation.
Corrosion.
Acid build-up.
Which of the following oil products is particularly associated with the danger of contracting leukaemia through exposure to its vapours?
Benzene
Octene
Xylene
Toluene
Under which MARPOL category are vegetable oils classified?
Category "Z".
Category "Y".
Vegetable oils are not classified under the MARPOL categories.
Category "OS" (other substances).
Which of these statements is incorrect with regard to Ro-Ro cargoes?
Stowage on deck is recommended when ventilation for a particular package is not required
Stowage on deck is recommended when constant supervision is required
Stowage on deck is recommended when there is a substantial risk of the formation of explosive gas mixtures
Stowage on deck is recommended when access to a particular package is required
What is an unsaturated hydrocarbon?
Unsaturated hydrocarbons are colourless and odourless liquids and they are chemically reactive
Unsaturated hydrocarbons are colourless liquids with a sweetish odour, they are chemically non-reactive and have to be carried under high pressure
Unsaturated hydrocarbons are colourless and odourless liquids and they are chemically non-reactive
Unsaturated hydrocarbons are colourless liquids with a sweetish odour and they are chemically reactive
What must be ensured prior to loading heavy lift cargoes on a General Cargo Vessel?
That all double-bottom tanks are empty
That the vessel is listed to the side to which the load is to be lifted
That the vessel has a small metacentric height( GM)
That there are minimum free surface moments in tanks
Why do we use stabilisers on passenger ships?
To adjust the trim of the vessel
To decrease the rolling angle of the vessel
To increase the intact stability
To decrease the dynamic stability
The exhaust gas temperatures of all cylinders of a diesel engine are seen to be high. Select, from the options given, the most likely cause of this.
Poor fuel oil quality.
High wear rate in one of the fuel injection pumps.
One of the fuel cams is worn.
Insufficient cooling of the main bearings.
Who must make and sign the individual entry for a loading, discharging or cleaning operation in the Cargo Record Book?
The officer (or officers) in charge of that operation.
The Officer of the Watch at the commencement of that operation.
The pupman or other crewmember assigned to carry out that operation.
The master of the ship.
What is meant by the term 'hold space' in relation to a liquefied gas carrier?
The space where the ballast tanks are situated.
The space enclosed by the ship's structure in which a cargo containment system is situated
The space between the individual cargo tanks.
The space where the cargo is carried.
Modern conventional reefer vessels are designed to carry containers on deck which are usually 40 foot units weighing more than 20 tonnes when stuffed (filled with cargo). For a vessel fitted with deck cranes having a SWL of 19 tonnes which of the options given is the most appropriate method of handling such containers?
Temporarily override the crane's cut outs when handling such containers.
Arrange for a floating crane to be alongside when handling the containers.
Arrange for a mobile crane to be available when handling the containers.
Use an equalising beam with two of the ship's cranes operating in tandem.
What kind of safety equipment should be used when operating a grinding wheel?
Goggles and shield.
Shield.
Welding mask.
Goggles.
What is the direction of wind associated with an anticyclone (area of high pressure) in the Northern Hemisphere?
Clockwise around the high pressure
Straight towards the centre of the anticyclone
Directly away from the centre of the anticyclone towards the nearest Low pressure.
Anticlockwise around the high pressure
What will immediately diminish the function of a dovetail fitting?
Signs of corrosion of the adjacent deck plating
Rust stains around the welded seam
Signs of pitting
Chamfered or waved edges
A vessel’s midship draught is 8.50m. What is the corrected midship draught if the vessel is on an even keel? Midship marks are painted 0.05m forward of midships; LBP is 162m.
8.45m
8.55m
8.40m
8.50m
An inspection in the amidships area of the weather deck of a Panamax container vessel has revealed cracks in the hatch coamings. Which part of the vessel should now urgently be inspected.
Transverse bulkhead beneath the bridge front.
Longitudinals in the double bottom tanks in the amidships half length of the vessel.
Transverse bulkhead immediately aft of the engine room.
Stiffening in the forepeak tank at approximately water line level.
What should be done to the bilge spaces in a cargo hold of a bulk carrier, after cleaning and testing?
Drain plate over bilge to be fitted and then covered with burlap
Seal bilge space completely
Cement wash and seal
Bilge space to be left open
What is the correct way to obtain a reduced capacity with a centrifugal pump?
Throttling of delivery valve
Throttling of suction valve
Adjust the relief valve
Open the priming line
How many two-way VHF radiotelephone apparatus shall be provided on board a passenger ship of 500 gross tonnage and upwards?
2
One for each survival craft
It is required to have a fixed two-way VHF fitted in a survival craft
3
A cargo of frozen tuna is being loaded onto a conventional reefer vessel. Without using a pulp thermometer, which of the given options would give an indication that the fish was in good condition.
The surface of the fish would feel hard to the touch.
The fish would sound solid and make a thump sound when dropped.
The surface of the fish would feel cold to the touch.
The fish would sound like wood when dropped or tapped with a hammer.
After completion of a cleaning job on some machinery components at sea, the engine watch rating is instructed to dispose of a small amount of dirty diesel oil which is left in a bucket. How should the dirty oil be disposed of.
Put it straight into the dirty oil tank for incineration at the next opportunity.
Take it on deck and throw it overboard.
Pour it into the diesel oil storage tank through the sounding pipe.
Pour it into the engine room bilge so that it can be pumped through the oily water separator.
At what angle should a cargo lashing meet an eye plate?
At 90 degrees
At 30 degrees
At 60 degrees
At 45 degrees
Is it permitted to load fully refrigerated propane directly onto a fully pressurised LPG carrier without additional conditioning of the cargo or cargo spaces?
Only if the loading rate is kept below 100m3/h.
Only if the cargo containment system is designed for temperatures of minus 48 degrees C or less.
Fully refrigerated propane can be loaded directly onto this type of vessel under any circumstances
Only if the vessel is equipped with cargo cooling plant
What action should the Master of a General cargo vessel take with a fishmeal cargo, which is self-heating and liable to spontaneous combustion?
Follow guidance in IMO Bulk Cargo Code or IMSBC) and probably declare a port of refuge
Boundary cool only and continue on voyage
Open hatch covers to find source of fire
Fight fire with water
When there is doubt about the freshness of the atmosphere in ro-ro cargo spaces, what action should be taken?
Supply filter masks to all crew working on ro-ro deck
Ro-ro decks are always ventilated in advance of an operation
Arrangements should be made for testing of the atmosphere to ensure maintenance of 21% oxygen and a carbon monoxide content below 50 ppm in the atmosphere of the space
Open both bow- and stern doors
During UMS rounds, a duty engineer notices that the fuel oil overflow observation glass is full of oil. Should he:
Stop all F.O. transfers immediately, and inform the CE.
None of the listed alternatives.
Make a sounding of the F.O. overflow tank and decide if there is enough capacity to leave it until the following morning.
Call a motorman and have him sound the FO overflow tank periodically during the night.
What are twistlocks designed for?
To couple containers horizontally
To couple containers vertically
To bear container loads
To lock containers vertically and horizontally
What would be the most probable cause if the exhaust gas from a diesel engine looked a bit blue in colour?
Bad fuel oil.
Clogged charge air cooler.
Engine is too cold.
Engine burning too much lubricating oil.
What could cause engine oil to get a "Milky" colour?
Fuel contamination.
The oil is too cold.
Overheating.
Water contamination.
With regard to radar, what would be a correct form of response to the question: What range scale are you using?
The correct form of response would be: "I am using the 12 mile range scale"
The correct form of response would be: "I am using the 3 cm radar"
The correct form of response would be: "I am using the largest range scale"
The correct form of response would be: "I am using the 10 cm radar"
On a hold inspection of a Bulk Carrier it is noted that a number of transverse frame beam knees are slightly distorted; what is the significance of this?
The distorted areas should be painted
There are no concerns with this observation
This is an indication of excessive bending moment stress
This indicates the vessel is suffering racking stress and is potentially serious
On a Container vessel, what are the vertical corner structures of a container called?
Corner fittings
Casting posts
Corner posts
Corner pillars
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
5% extra
25% extra
10% extra
On a RoRo vessel, what is the Maximum Securing Load of mild steel shackles?
35% of the breaking strength
40% of the breaking strength
50% of the breaking strength
25% of the breaking strength
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.
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 C on the figure
Forward breast line is given by D on the figure
Forward breast line is given by A on the figure
Forward breast line is given by B on the figure
When acting as helmsman would you expect the reading of the gyro compass to be the same as the magnetic compass?
They would always be the same
They would always be within 1 or 2 degrees of each other
They would never be the same
Very seldom would they be the same
What is the fog signal for a vessel of more than 100 meters in length when at anchor?
A rapid ringing of the bell forward followed by the gong aft for about 5 seconds at intervals of not more than 1 minute
A rapid ringing of the bell forward for about 5 seconds at intervals of not more than one minute
Two long blasts on the whistle at intervals not exceeding two minutes
A rapid sounding of the gong forward for about 10 seconds at intervals of not more than two minutes
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.