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Головна Онлайн-тести CES Gas tanker 2nd-Off / 3rd-Off Test online CES 5.1 for 2nd-Off / 3rd-Off, Gas tanker vessel
Онлайн-тестування: Test online CES 5.1 for 2nd-Off / 3rd-Off, Gas tanker vessel
Виберіть режим роботи з тестом:
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Онлайн-тест
Опис
Тест складається із випадкових питань з обраної теми.
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What kind of starting system shall the lifeboat engine be fitted with ?
either a manual system or a power starting system with two independent rechargeable energy sources
either a manual system
two independent and separated systems
one manual system
What is the main characteristic of the weak link in a float-free arrangement for inflatable liferafts?
be of sufficient strength to permit to pull the painter from the container and the inflation of the liferaft
be of sufficient strength to break at a depth of at least 4 m and release the liferaft from its berth
be of such a strength to be cut by any person with a jack-knife
be of sufficient strength to keep the liferaft alongside the ship when dragged at a maximum speed of 3 knots
How many emergency power supply sources are required for fire-detection and fire-alarm systems? (SOLAS II-2/13.1.3)
Three
One
None
Two
*Which of the following instructions will generally be given by a port authority to allow welding or hot work in a tank having contained flammable liquids ?
When the tank has been satisfactory cleaned there shall be a 12 hour quarantine
If the mechanical ventilation is stopped, the tank shall be left within 5 minutes
All answers are good
During work in tanks, the gas concentration shall be checked every second hour
*What is the minimum capacity of a ventilation system protecting cargo spaces, other than special category spaces, intended for carriage of motor vehicles with fuel in their thanks for their own propulsion in a ship carrying no more than 36 passengers or in a cargo ship?
2 air changes per hour
20 air changes per hour
12 air changes per hour
6 air changes per hour
*Which of the following spaces is a "special category space"?
A space the gross calorific value of which may exceed 45 megajoules per square meter of the deck area
A space containing a centralised fire control equipment
A space specially designed and used for the storage of class 1.1.dangerous goods
A garage tweendeck on a passenger ferry
If you detect a fire on board the ship, dependent on the situation, which of the following actions is the first to be taken?
Call the officer on duty.
Check all nearby compartments for survivors.
Try to kill the fire immediately by use of fire-extinguishers or other adequate appliances.
Raise the fire alarm.
*What is the approximate pressure of the CO2 stored in a cylinder at an ambient temperature of +20?C?
160 bar
1bar
60 bar
20 bar
If circumstances permit, how should low expansion foam be applied to oil burning in the bulkhead of the engine room?
The foam should be applied to the centre of the fire.
The foam should be aimed at about 45 degrees upwards so that it can drop onto the fire
The applicator should be used in a sweeping motion to spread the foam over the surface.
The foam should be aimed at the bulkhead behind the fire and allowed to spread out slowly over the fire.
When at sea, you discover that the bilges in the engine room have a large quantity of oil residues floating around. What action should you take?
Apply foam to the bilges to minimise the risk of fire
Open the overboard valve and immediately start the bilge pump in order to draw these residues away from the bilges
Notify Chief Engineer, find cause of leakage, remedy the leakage and then immediately start to clean the bilges
Start the fire pump
In the fire fighting of fires of a type C with dry chemical powder extinguishers, the application is performed
as soon as possible, to any point of the fire and in intermittent manner
the chemical powder doesn-t extinguish type C fires
in a continuous way so that the powder spray is in the same direction as the one of the flame
across the flame, sweeping it
Which of the following items shall be included in each fire drill?
Checking the operation of watertight doors, fire doors, fire dampers and relevant communication equipment
Checking closure mechanism for all air ventilators and other openings to accommodation, engine rooms and cargo spaces
Checking the fire wires
Checking the operation of fire doors
The button or switch “dimmer” of a mariphone serves:
To regulate the light
To suppress the noise
To reduce the volume
To regulate the transmitting power
A severe blow to or a heavy fall on the upper part of the abdomen (solar plexus) can upset the regularity of breathing. What is the symptoms and signs?
The casualty may start sweating profusely and develops a fever.
Difficulty in breathing in and the casualty may be unable to speak.
The casualty feel very hungry.
The casualty is speaking in a very load manner.
Sun rays and light reflected from a bright surface (e.g. sea); can cause damage to the skin and eyes. What is this type of burn called?
Dry burns.
Cold burns.
Electrical burns.
Radiation burns.
What should be observed concerning the vessel's stress?
The vessel's draft and trim?
Distribution of the containers?
Distribution and weight of the containers?
Weight of the containers?
What corrections must be applied to the echo sounder reading to compare the depth of water with the depth printed on the chart?
The distance between the pulse Transmitter and Receiver
Shallow water effects
Draught of the ship
Allowance for the ships speed
Your ship's initial speed is half ahead and your engine is put full astern. How will the stopping distance be compared to full speed?
It will be much shorter
It will be the same as full speed
It will be much longer
It will differ only slightly
You are duty officer on "A" and you are observing "B" on your starboard side. "A" is a heavy loaded tanker, while the other vessel "B" is in ballast. You would like to increase the CPA and reduce the speed to stop your vessel. You are going into the chart room to check the position. The other vessel has engine failure and stops the engine. Suddenly the two vessels are colliding, how can this happen?
It is impossible, since there is a change in the bearing
It is possible since the loaded vessel stops faster than the ballasted vessel
It is possible since the ballasted vessel stops faster than the loaded vessel
It is possible as both vessels will stop at the same rate
What method shall be used when hauling survivors out of the sea (state of survivors is critical)?
Using painter
Using heaving line
Using nets
Using lifebuoy
Give the meaning of the following symbol:
thermal protective aids
lifejacket
child's lifejacket
immersion suit
How much water per person is provided in a liferaft not equipped with a desalting apparatus?
2 litre
1.5 litre
5 litre
3 litre
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
In a distress situation and immendiately after the distress signal has been sounded, what next action should be taken by the officer on duty?
Send distress signal to call for help.
Use the intercom to inform crew and passengers of the reason for the alarm.
Call the nearest coast radio station.
Use the VHF radio telephone to ask ships in the vicinity to stand by.
*Which of the following detailed explanations should be mentioned in the Training Manual ?
The use of surface to air visual signals to be used by survivors
The use of escape routes and other escape methods
The use of navigational equipment for survival crafts
The use of devices for protection in launching areas
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
Why should iron ore not be dropped from a great height into a cargo hold of a Bulk Carrier?
Because the shell plating can indirectly become damaged
Because cracks can develop around the hatch coamings
Because the tank top and double bottom internals can sustain damages
In order to maintain the ships stresses within acceptable levels
You have just been handed six sample bottles by the cargo surveyor, containing Nitric Acid drawn from a cargo just loaded on your ship. How will you move them to the sample locker, prior to storage?
I will carry as many as I can in my arms in one go, but ensure first that I put on a pair of chemical-proof gloves.
I will instruct the cargo surveyor that he must deliver the samples to the locker himself.
I will obtain a plastic carrier bag, put the bottles inside and take them to the locker as quickly as possible.
I will place them into a proper container with a handle, such as a sample carrier or a strong bucket. When I move them, I will ensure that I am focused on this task alone.
An air compressor is being refitted in the engine room. The compressor and motor are coupled using a flexible coupling and are mounted on a common 'skid' which fixed to the deck with resilient mountings. Which of the statements, from the options given, relating to the alignment of the motor and compressor is true?
As long as the two coupling halves are at the same height the flexible coupling will accommodate any horizontal misalignment or difference in the gap between the coupling faces.
Shims should be fitted between the motor and compressor feet and the skid to ensure correct vertical, horizontal and parallel alignment of the coupling halves before it is bolted up.
The compressor and motor can just be placed directly on the common skid as they will probably be closely aligned anyway.
Machines using flexible couplings and resilient mountings do not need to be aligned. That is why they have flexible and resilient elements fitted.
You are close to the entrance to a port in thick fog. You hear the following signal. What does it mean?
That there is a vessel aground in the vicinity.
That there is a vessel at anchor in the vicinity. She is more than 100 metres in length.
That the port is closed.
That there is a vessel at anchor in the vicinity. She is less than 100 metres in length.
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
What measures regarding ship stability should be taken in order to make passenger ships able to withstand critical damage?
Damaged stability to be increased by weight redistribution.
Damaged stability to be increased by use of water ballast
Avoid overloading the ship
Maintain sufficient intact stability
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
Substances, materials and articles shall be stowed as indicated in the Dangerous Goods List of the IMDG Code, in accordance with a series of stowage categories. How are those categories designated?.
10 categories, numbered 1-10.
5 categories, labelled A-E.
Three categories, numbered I, ii and iii.
10 categories, lattered A-K (excluding I).
During the 5-yearly overhaul and operational test of a lifeboat on-load release gear, to what level should the gear be load tested?
0.8 times the total mass of the lifeboat when loaded with its full complement of persons, equipment and stores.
1.25 times the total mass of the lifeboat when loaded with its full complement of persons and equipment.
1.1 times the total mass of the lifeboat when loaded with its full complement of persons and equipment.
The equivalent to the total mass of the lifeboat when loaded with its full complement of persons and equipment.
When LNG is used as fuel a double wall piping system must be used in the engine room. What condition should the annular space between the concentric pipes be maintained in when the fuel system is in service?
Filled with nitrogen at a pressure greater than the LNG fuel pressure.
Filled with nitrogen at a partial vacuum.
Filled with nitrogen at a pressure less than the LNG fuel pressure.
Maintained at a full vacuum.
On a Container vessel, what is the function of a lashing plate?
As tie down point for turnbuckles on deck or hatch cover
A means of securing buttresses under-deck
A means of securing the hatch covers
A means of securing lashing chains
Why is air draught an important consideration when loading bulk cargoes on Bulk Carriers?
Because the vessel may pass under a bridge(s) whilst approaching or leaving the berth
Because of the vessel's movement whilst berthing or unberthing
Because of variations in under keel clearances whilst alongside the berth
Because of movement of the bulk cargo loader or unloaders
Who is responsible for maintaining the vessel's structural strenght?
The Shipyard
The Flag State Administration
The Master
The Shipping Company and the Classification Society
What are the responsibilities of a watch-keeping engineer?
The responsibilities of a watch-keeping engineer are to inform the Master of all events that occur duing the watch.
The responsibilities of a watch-keeping engineer are to inform the Chief Engineer of any situations that cannot be controlled during the watch
The responsibilities of a watch-keeping engineer are to by-pass, adjust and isolate all machinery under his supervision.
The responsibilities of a watch-keeping engineer are to ensure that all engine room ratings are wearing protective clothing.
On a Container vessel, who is responsible for the safe lashing and securing of containers?
The chief officer
The duty officer
The cargo surveyor
The master
You are alongside, preparing to load several grades of chemicals. The duty officer instructs you to accompany a cargo surveyor during pre-load inspection. At the manifold, the blank flanges on the designated load lines have been removed in preparation for connecting hoses but the surveyor asks you to remove blank flanges from some additional lines, so that he can check them for cleanliness. Which of the following will you do?
Tell the surveyor that it is unsafe to do so and you will not remove any more blank flanges.
Notify the duty officer of the surveyor's request and await further instructions.
Open any of the lines he asks for. Leave them open in case anyone else needs to inspect them.
Tell the surveyor that the flanges have all been secured for cargo and that procedure has been initialled by the Chief Officer on the pre-load checklist, so you are not allowed to remove them.
An engine room rating is assisting in the maintenance of some of the valves on the low pressure steam range. Which packing material, from the options given, would be the best choice for repacking the gland of a low pressure steam valve?
Graphite fibre packing.
Greasy cotton packing.
PTFE rope packing.
Lead covered cotton packing.
The vessel is steaming off the coast when the engine room informs the bridge it must stop engines immediately. Shortly afterwards they informed the bridge they would need a least three hours to fix it. Which of the following actions would be the most suitable taken by the bridge?
Display the NUC signal, maintain the watch and determine how the ship is drifting and the probable position after three hours.
Display the NUC signal and keep a good lookout
Display the NUC signal, maintain the watch and ask the Engine room to be a quick as possible
Display the NUC signal, maintain the watch and wait for further developments.
The arrival ballast water must contain maximum 15ppm (parts pr. million) of oil to fulfil the regulations in force. How many ppm is 1% by volume.
1000 ppm.
100 ppm.
100000 ppm.
10000 ppm.
What is a low location lighting system?
A system displaying the escape route from all cabins by light points in the ceiling, powered by battery
An illumination system for all corridors in cabin areas
A light system powered by battery or fluorescent signs mounted at deck level indicating the way to the nearest exit
An emergency illumination system that illuminates all deck areas to a minimum
A cargo of steel swarf and borings (waste steel material from industrial processes) carried on a Bulk Carrier, is particularly liable to what?
Cargo sweat and reduced c carbon dioxide levels
A rise in methane gas levels
Production of carbon monoxide and oxygen
Oxygen depletion in the cargo space and self-heating of the cargo
While alongside at a repair berth a new section of seawater pipe has been fabricated in a shoreside workshop from drawings supplied by the vessel. During fitting of the pipe by ship's engineers it is noted that the pipe is too short leaving a gap of about 8mm between the flange faces. What action should be taken to remedy this problem?
The pipe should be returned to the shoreside workshop for modification or to be remade to the correct dimensions.
The ships engineer's should use extra long bolts and pull the flanges together
The ship's engineers should fit extra thick joints between the flanges to fill the gap.
The ship's engineers should manufacture a spacer piece to fit the gap.
On a General Cargo ship which of the following statements is correct?
Cold rolled steel coils must never be loaded in rain
Cold rolled steel coils may be loaded in rusty condition
Cold rolled steel coils may be loaded in rain
Cold rolled steel coils are always shipped in stainless steel envelopes
How would you report a person lost overboard?
"Man overboard"
"A person has fallen overboard"
"We have lost a person overboard"
"We have lost a person overboard in position….."
Select the option which correctly completes the following statement. 'Prior to allowing work to proceed in an onboard space testing of the atmosphere should be carried out…
…for any space with limited access or non-continuous ventilation or is suspected of having a hazardous atmosphere.
…only if the space has been used to carry any cargo or contains any cargo related equipment.
..only if the space has contained liquid oil at some point.
…only if the space has a watertight door or watertight access opening.
What is ‘Standardized Cargo’?
Palletised cargo
Cargo for which the ship is provided with an approved securing system
Cargo that is shipped in standard dimensions
Breakbulk cargo
Your vessel is entering a tropical area and high humidity is expected. To avoid condensation in the main engine's air cooler, it is recommended to:
Decrease the air temperature so proper draining can be achieved from the air cooler
Increase scavenging air temperature to above dew point
Reduce speed.
Operate the engine with slightly open drain cocks, scavenging to get rid of the water
Why is it important to make weekly/routine rounds in the accomodation areas?
To search for any contraband goods hidden on board
To check for alcohol in cabins
It is a requirement as per flag state
To ensure that cabins and common spaces are maintained in a clean, safe and hygienic condition
The temperature control for the central cooling system low temperature circuit has failed and a new 3 term controller is to be fitted. Which of the given options would be the correct method of setting up the controller?
Set the derivative action first.
All three actions should be set simultaneously.
Set the proportional action first.
Set the integral action first.
What is the meaning of the term "Make Fast", when mooring the ship?
Make Fast means to coil up a rope
Make Fast means to avoid eating all meals during the daylight hours.
Make Fast means to act very quickly
Make Fast means secure the ropes to the bits
When is track line search normally used?
When the position of the search object is accurate
When a vessel or aircraft has disappeared without a trace
When the position of the search object is not accurate
When a direct communication between the search object and the search facility is available
What lights are required on an inconspicuous, partly-submerged vessel or object of less than 25 metres in breadth (other than a dracone) being towed?
A flashing yellow light on the tow, where it can best be seen.
One all-round white light on the tow where it can best be seen.
No lights are required on a tow of this description.
One all-round light at or near the forward end and one at or near the after end of the tow.
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.
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
Which of these actions should crew take if a suspicious object that may be a bomb is located during a search?
Cover the suspicious object with a box or blanket.
Place the object in a desk drawer or file cabinet.
Throw the object overboard.
Confirm with their search partner that the object found is suspicious.
Indicate the correct name for the part marked on the sketch:
Crankshaft
Piston rod
Connecting rod
Push rod
What is the danger of having a large bunker tank only partially filled with bunkers?
Excessive corrosion of the tank sides.
FSE and virtual loss of GM.
Constructional damage due to liquid movement in the tank.
Insufficient bunker to complete the voyage.
A fully refrigerated liquified gas carrier, equipped with membrane tank with MARVS less than 0.7 bar and cargo temperature of less than -10 C. What type of barrier is required?
Complete secondary barrier.
No secondary barrier required.
Partial secondary barrier.
No barrier required.
You are alongside and the hoses have been connected for discharge. The jetty-man shouts across to you, telling you to start cargo. The Duty Officer has not yet given you any instructions to commence. What will you do?
Open the valves and start discharge as soon as possible.
Advise the jetty-man that there is a problem on board and you will notify him when you are ready.
Ignore the jetty-man. Do nothing.
Advise the Duty Officer and await further instructions. Ask the jetty-man to stand by.
The compass binnacle on the ship has various specific functions, which of the following answers reflect its most important functions.
Provides a non-magnetic housing for the compass
All of the answers provided
Houses the soft iron correctors
Houses the corrective magnets
What does the term "ullage" refer to?
The measured depth of product in a cargo tank.
The height from the bottom of a cargo tank to the top.
The special calculations that the Chief Officer makes when he works out the ship's final draughts before sailing.
The depth of free space left in a cargo tank above the current liquid level.
What will happen when the ship arrives in Rotterdam?
The anchor will be tested when the ship arrives in Rotterdam
The ship will receive fuel and diesel oil bunkers when it arrives in Rotterdam
The navigation lights will be tested when the ship arrives in Rotterdam
The main engine will be tested when the ship arrives in Rotterdam
During start up of a steam plant it is necessary to warm through the steam range prior to use. How should this warming through be carried out?
Open the bypass/warming through valve and then fully open the main stop valve over a period of two minutes to ensure the warming through is completed as quickly as possible.
Using the bypass/warming through line for the main stop valve and with all line drains open to ensure all condensate is removed.
With the line drains closed to avoid losing too much high quality water.
Crack open the main stop valve and keep the drains open.
All heat burns should be
Covered with Gauze or bandage immediately
Applied with soothing lotion as soon as possible
Treated by the doctor only
Cooled as quickly as possible with running cold water for at least 10 minutes
What is a Marine Evacuation System?
Liferafts supported by Fast Rescue Boats and Lifeboats
Helicopter evacuation
Assistance from other ships
Evacuation Chute(s)/Slide(s) and Liferafts
In a diesel engine lubrication system the circulating pump pump normally takes suction from the oil sump tank. Where does the oil pass to directly after the pump?
Main thrust bearing.
Lube oil cooler.
The engine bearings.
The lub oil purifier.
In terms of electrical units, what is Hz the abbreviation for?
Frequency in Direct Current (DC)
Frequency in Cycles per second
Revolution per minute
Measure for Resistance
Total Base Number ( TBN ) is important as a measure of neutralizing ability against strong Acids. What will You do if this TBN base number is reduced to a low level?
Send one lub oil sample to new analysis.
Renew lub oil in the system.
Purify the oil system.
Nothing.
On fully pressurised liquefied gas carriers the cargoes are usually carried at atmospheric temperatures. Is frostbite still a hazard on such vessels if there is leakage from the cargo pipe system?
Yes, but only if cargo vapour contacts the skin.
No frostbite is only a hazard when cargoes are refrigerated.
No, the cargo will vapourise and disperse quickly.
Yes, the liquid will flash off to its' fully refrigerated tempearature.
At what temperature should the meat and fish freezers be maintained?
- 20° C
- 25° C
- 30° C
- 10° C
What do we mean by purging a cargo tank?
To purge a cargo tank means that we liquid free the tank with hot gas.
To purge a cargo tank is to load cargo into the tank.
To purge a cargo tank is to change the vapour phase either with cargo or neutral atmosphere.
To purge a cargo tank means that we blow air into the tank.
On a General Cargo ship, when can dunnage from a previous cargo be used again for cargo?
Only when clean and Chief Officer has approved use
Dunnage can be used many times regardless of condition
Used dunnage must never be used again for cargo
Dunnage can only be used again if sterilized
A high speed diesel engine has been subject to a major overspeed incident due to governor failure. During checks for damage it is found that some of the bottom end bolts have slackened off slightly. There appears to be no other damage to any of the bearings, the running gear or to the crankshaft. From the options given select the action to be taken before bringing the engine back into service.
Renew all of the bottom end bolts.
Retighten the bottom end bolts that were slack back to the recommended torque.
Renew all of the running gear for the engine including the crankshaft and bearings.
Renew all of the bottom end bolts that were found slack.
Why is it preferable to use white spirit rather than paraffin to remove traces of grease during cleaning of refrigerated cargo spaces?
White spirit is more effective at removing grease than paraffin.
White spirit does not leave an oily residue or odour.
White spirit is cheaper than paraffin.
White spirit is usually more readily available.
Liquefied gas is, by IMO, divided in to different groups. What is the criterion for this division?
The hydrate formation.
The boiling point, chemical bindings, toxicity and flammability.
The nitrogen and other hydrocarbon containment.
The gas pressure.
What should be done if the surface of the loading ramp is oily?
Immediately clean the oil-affected area(s)
Allow cargo operations to continue in the usual manner
Stop cargo operations and inform the master
Wash the oil-affected area(s) using a fire hose
Inspection of the LP turbine rotor reveals some erosion damage to the blading on the final stage. Which of the given options is most likely to be the cause of this condition?
Steam inlet to the turbine superheat temperature low.
Steam inlet to the turbine pressure too low.
Excess LP bleed steam take off.
Total dissolved solids in the boiler too high.
During cargo operations, involving perishable cargoes, deck officers should be aware that the cargo is subject to the effects of the weather and ambient conditions. From the options given, select the one which is likely to cause the most rapid temperature change in a refrigerated commodity.
Rain.
Very high humidity.
Sunshine.
Wind.
What precautions should you take when washing down the galley area at the end of the working day?
All power to the galley range and other electrical equipment should be switched off and isolated; ensure you are suitably and safely dressed to avoid electrical, slipping and other hazards.
All electrical equipment should be switched on, to ensure it dries out quickly if it gets wet; remove your catering clothing, so that it does not get dirty and wet.
Wash only the deck, to avoid any risk of shock from electrical items, such as the range; wear shorts and rubber sandals ("flip-flops") to avoid transferring contaminants from your work clothes.
Cover all equipment and work benches with plastic sheeting; wash the galley deckhead, then work down the bulkheads and finally the deck, with fresh water above 65 degrees Celsius; wear heavy duty work clothes.
Some new maintenance routines are being planned and a risk assessment is necessary so that the required procedures can be entered into the ship's Safety Management manual. Which of the following should be the first step in this risk assessment process?
Identify the safety precautions that may be necessary to prevent injury or harm to personnel carrying out the routines.
Identify who may be harmed or injured in carrying out the maintenance routines.
Identify the hazards that may exist which may affect personnel involved with the maintenance routines.
Identify how much it will cost to implement the necessary precautions to prevent injury to personnel.
Which is the "MOORING BUOY", in the figure?
The Mooring Buoy is indicated by D, in the figure
The Mooring Buoy is indicated by A, in the figure
The Mooring Buoy is indicated by C, in the figure
The Mooring Buoy is indicated by B, in the figure
In discussing the properties of oil cargoes, which of the following are examples of Aromatic Hydrocarbons?
Benzene, Toluene and Xylene.
Hydrogen Sulphide and Carbon Monoxide.
Carbon Dioxide and Hydrogen Peroxide.
Propane, Butane and Pentane.
In the Beaufort Scale of Wind Force, what is the Beaufort number associated with the wind force known as a "Gale"? This should not be confused with a "Near Gale" or "Strong Gale"
Ten (10)
Nine (9)
Eight (8)
Seven (7)
A vessel's main propulsion system consists of a pair of medium speed diesel engines driving a single controllable pitch propeller through clutches and coupled through a reduction gearbox. What is the preferred sequence to follow when going from two engine to single engine operation? Assume engine A is to be stopped and engine B is to continue running
Stop engine A and check that clutch automatically disengages and governors for both engines operate correctly for testing purposes.
Pitch to zero thrust, disengage clutch of engine A, increase speed of engine B and propeller pitch as required. Stop engine A after a suitable cooling period.
Disengage clutch of engine A. Stop engine A after a suitable cooling period.
Pitch to zero thrust, reduce speed to idling speed, disengage clutch of engine A, increase speed of engine B and propeller pitch as required. Stop engine A after suitable cooling period.
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.