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Главная Онлайн-тесты CES Oil tanker MASTER / Ch-Officer Онлайн-тест CES 5.1 для MASTER / Ch-Officer, Oil tanker vessel
Онлайн-тестирование: Онлайн-тест CES 5.1 для MASTER / Ch-Officer, Oil tanker vessel
Онлайн-тест
Описание
Тест состоит из случайных вопросов по выбранной теме.
Вопрос 1 из 90
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What is the name given to a devastating explosion that may occur when a rigid container containing a liquefied gas is exposed to a very high *temperature?
SLOP-OVER
BLEVE
FLASH-OVER
BOIL-OVER
The extinguishing agent which can be applied on any fires of class A, B, or C is:
Halon
Sprayed water
CO2
Multipurpose powder
*What is the maximum floor area that one smoke detector can cover?
74 m2
45 m.2
37 m2
20 m2
*Which of the following requirements applies to the inert gas system of a tanker?
Inert gas must be delivered at a rate of at least 125% of the maximum rate of discharge capacity of the ship expressed as a volume
All these requirements apply
The oxygen content of the inert gas must not exceed 5%
The oxygen content of the atmosphere of any part of any cargo tank must not exceed 8%
Which deck is the "bulkhead deck"?
A deck between two transverse bulkheads
A deck which transverse bulkheads go through
The uppermost deck to which transverse bulkheads are carried
The deck on which the transverse bulkheads are resting
What quantity of reserve fuel is to be available for diesel driven fire pumps outside of the main machinery space? (SOLAS II-2/4.3.3.2.4)
Sufficient amount for fifteen hours operation at full capacity
40 litres
20 litres
Sufficient amount for six hours operation at full capacity
What is the main advantage of a Positive Pressure Breathing apparatus?
The positive pressure makes it easier to breath when working hard.
It is less complicated and cheaper than the demand type BA set.
It ensures a constant supply of air.
If the face mask has a leak toxic fumes/smoke would still not enter the mask.
A cargo hold containing cargo such as nitrates,chlorates etc which produce oxygen under the influence of heat catches fire. How would you deal with this?
Close the hatches, apply boundary cooling and allow the fire to use up the oxygen and extinguish itself
Apply boundary cooling
Close the hatches and use the fixed CO2 system
With this type of material the hatches should not be battened down. The fire can only be extinguished by using large quantities of water.
*What maximum suction head can be expected from a fire pump?
Approximately 1 metre
Any height, provided the pump has enough power
Approximately 5 metres
Approximately 10 metres
At the and of a radio telex-connection, when a ‘store and forward' –message has been transmitted, the coast-station at least gives a:
Reference number
Time (in UTC) whereupon the telex for the subscriber is delivered.
Approximate time when telex will be delivered
Code in letters which will be repeated when the telex has been delivered to the subscriber
The proper operation of an Inmost C-terminal can be tested by:
Doing a “link test”
Sending a message to MF DSC
Requesting a “self test”
Doing a “recommissioning test”
Messages sent via INMARSAT C are charged
on the number of kilobits of information transmitted per block of 1024 bits
on the basis of a three minute minimum charge with one minute incremental steps
on the basis of a six second minimum charge with six second incremental steps
on the number of kilobits of information transmitted per block of 256 bits
How frequent should reports from protection and environmental work be send to shore based management?
Every three years.
Biannually.
Not mandatory to send reports.
Annually.
In case of pollution in US waters, do you always have to notify the National Response Center (OPA-90)
Yes, within thirty (30) minutes
No, only the shipowner can notify NRC
No, not if the local US State Authority is correctly notified
Yes, within three (3) days
In which way may intake of poisonous material occur?
All mentioned.
Skin penetration and skin absorption.
Swallowing.
By inhalation.
New MARPOL regulations came into effect from July 93 stating that the oily water separator which was previously certified for 100 ppm be changed to:
15 ppm
25 ppm
50 ppm
10 ppm
What is the centre for overall co-ordination of rescue operations called?
Rescue Co-ordination Centre
Emergency Ship Distress Centre
Ship Distress Centre
Maritime Rescue Co-ordination Centre
Are there any restrictions regarding length, breadth or draft in the Panama Canal?
There are no restrictions, but a pilot is required for the whole transit.
Restrictions regarding length and breadth exists. Draft restrictions vary with seasonal changes.
Tankers and military vessels are not accepted for transit.
Transits are left to the masters discretion, but the canal authorities will assign turn number and monitor traffic.
Your vessel is moving in Panama canal waters. When must the chief engineer remain on duty in the engine room?
Only when requested by the pilot.
At all times.
When approaching or passing through locks and Gaillard cut.
Only if the regular engineer is off duty.
Which of the following is the correct minimum carriage requirement for a ship of more than 300 gross tons and operating in area A:
1MF RT + DSC+ DSC watch receiver – 1 or 2 SART – 1 NAVTEX or 1 EGC receiver– 2 or 3 VHF portable – 1 EPIRB –
1VHF RT + DSC+ DSC watch receiver – 1 or 2 SART – 1 NAVTEX or 1 EGC receiver– 2 or 3 VHF portable
1VHF RT – 1 or 2 SART – 1 NAVTEX or 1 EGC receiver– 2 or 3 VHF portable – 1 EPIRB –
1VHF RT + DSC+ DSC watch receiver – 1 or 2 SART – 1 NAVTEX or 1 EGC receiver– 2 or 3 VHF portable – 1 EPIRB
The rule for having a radio transmitter license is internationally laid down in:
SOLAS
Don't know
Radio Regulations
Search and rescue treaty of Hamburg
In maritime radio-communication by “low power” given by a nautical phone is meant a transmitting power of:
1,0 – 1,5 watt
Don't know
O,5 watt maximum
0,5 – 1,0 watt
The ship-shore HF-telephone-channel 1615 consists of the frequencies 16402.0 kHz and 17284.0 kHz. In case of manual operation, one should tune the receiver on:
16402.0 kHz
the common receiving frequency for the 16 MH2 band
Don't know
17284.0 kHz
*There are 3 lifeboats on each side of a passenger liner engaged on international voyage. All these lifeboats are identical. What should be the total number of persons that can be accommodated in the 3 lifeboats on the starboard side altogether ?
at least 75 % of N (*)
at least 15 % of N (*)
at least 100 % of N (*) (*) N is the total number of persons that vessel is permitted to carry
at least 50 % of N (*)
The minimum number of lifebuoys required for a passenger ship cannot be less than:
6
8
2
10
Poster or signs shall be provided on or in the vicinity of survival craft and their launching controls. Which one of the following requirements has to be included ?
give information on survival craft capacity
give information on survival craft speed and seaworthiness
give an overview of location of all lifesaving appliances
give relevant instructions and warnings
What is a "Rescue Unit" (RU)?
A unit ready for search and rescue operations at sea at any time of the day.
A unit specializing in search and rescue operations at sea.
A unit composed of trained personnel suitable equipped for expeditious search and rescue operations.
A permanently manned rescue vessel.
Which one of the following requirements regarding lifebuoys corresponds to present SOLAS regulations?
Have a mass greater than 2.5 kilos.
Be constructed of inherently buoyant material.
Have sufficient air.
If being fitted with light or smoke signal, have a mass less than 4 kilos.
A lifejacket should be provided with:
A light
A whistle and a light
A whistle
On ships built after February 1992 all lifejackets should be fitted with a light
*Give the meaning of the following symbol
Fasten lifejacket belt
Fasten seat belts
Secure hatches
Secure buoy line to the ship
*Give the meaning of the following symbol
Secure hatches
Fasten seat belts
Fasten immersion suit belt
Fasten lifejacket belt
*Give the meaning of the following symbol
Fasten immersion suit belt
Fasten seat belts
Secure buoy line to the ship
Secure hatches
Give the meaning of the following symbol
Survival craft portable radio
Survival craft distress pyrotechnic signals
EPIRB
Radar transponder
When we are using a diode to convert AC to DC, it is usually referred to as a
Regulator
Controller
Alternator
Rectifier
What is the name of the device used for supervising all the ballast water to be pumped over board?
Ballast Monitor. (BM).
Ballast Supervising Monitor. (BSM).
Oil Detection Monitoring Equipment.(ODME).
Ballast Handling Monitor.(BHM).
Which of the following can cause an unprecedented list at sea?
Heavy weather
Ballast water exchange
Turning the vessel
Shift of cargo
Which of these is not covered in the chain register?
Deck cranes
The engine room gantry crane
Derricks
The gangway winch
It is important that tools are in good condition when they are being used for maintenance. Incorrectly sharpened tools can be dangerous. Which of the following tools can be safely sharpened using a pedestal grinder?
Steel drill bit.
Brass chisel.
Hacksaw blade.
Wooden wedge.
In which cases shall side scuttles in passenger ships be so constructed that they cannot be opened without the consent of the master of the ship?
Where the sills of the side scuttles are below the margin line
Where the sills are mounted below the bulkhead deck
Where the sills of the side scuttles are less than 500 mm above the deepest load line
Where the height of the side scuttles go through more than two decks
What is a typical composition of LNG (Arabian Gulf)?
Methane 100%
Methane 75% - Ethane 12% - Propane 13%
Methane 80% - Ethane 15% - Propane 5%
Methane 91% - Ethane 6% - Propane 3%
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.
During inspection of the cylinder cover from a medium speed diesel engine cylinder it is noted that cracks have occurred between the two exhaust valve pockets and the fuel injector pocket. Select from the given options the most probable cause of this type of failure.
Fuel impingement on the cover due to distorted injector nozzle holes.
Excessive thermal stress due to insufficient cooling of the cylinder cover.
Excessive maximum pressure in the cylinder due to engine overload.
Excessive tightening of the fuel injector in the pocket.
What action would you take if the performance of a plate type heat exchanger was falling off even though flow rates and pressures of the primary and secondary fluids were normal?
Iincrease the flow of both fluids.
Clean the heat exchanger.
Add some more plates to the exchanger.
Increase the pressure of both fluids.
During inspection of a cylinder of a large slow speed diesel engine it is noted that there are hard deposits around the upper part of the piston crown above the top ring groove and also some evidence of scuffing on the liner wall. From the options given select the one which is the most likely cause of this problem.
The piston cooling is inadequate causing overheating.
The fuel oil being used has too high a sulphur and ash content.
Insufficient cylinder oil is being supplied.
Cylinder oil with TBN to great for fuel grade is being used.
Telephones are being used to communicate between personnel onboard and ashore during a bunkering operation. What instruction would you give to ship personnel regarding action to take in the event of failure of the telephone communication during the operation?
Use a crewmember as a messenger between personnel involved in the operation.
Slow down the bunkering rate until alternative reliable communications are established.
Stop the bunkering until alternative reliable communications are established
Call the electrician, and get him to repair the telephone while the bunkering operation continues.
Why is it important to slow down the main engine RPM while water-washing the turbocharger?
To protect the bearings
To protect the blower side
Not to damage the rotor blades
To protect the exhaustgas economizer.
Many large 2 stroke marine diesel engines are equipped with an auxiliary scavenge air blower. What is the purpose of this equipment?
To provide combustion air at start up, during manouevring and low load running when the turbocharger delivery is insufficient.
To assist the main turbochargers in supplying combustion air when on full load.
To help cool the engine after it has been stopped.
To allow full load running when the main turbocharger is defective..
What is the correct name of the part highlighted in the sketch?
The correct name of the part highlighted in the sketch is: Push rod
The correct name of the part highlighted in the sketch is: Camshaft
The correct name of the part highlighted in the sketch is: Crankshaft
The correct name of the part highlighted in the sketch is: Crankcase relief valve
What is the most important factor to consider during the loading of a heavy lift weight from the quayside onto the deck of a general cargo ship, using the ships derrick?
Retaining a positive stability during the lifting and swinging process
The heavy weight is placed in a position on the ship to enable a simple effective discharge at the destination
There is sufficient clear space to swing the weight across from the quay to the final position on the deck.
The derrick has been recently tested to check whether it has sufficient capacity to lift the weight
Where is there a likelihood of inadequate initial design on a bulk carrier?
Around the hatch corners
On cross-deck plating
On the sheer strack
On shell plating
How would you arrive at the ‘Stowage Factor’ of a carogo commodity?
By dividing the volume of the space by the tonnage of the commodity
By dividing the area of the space by the tonnage of the commodity
By dividing the gross tonnage of the space by the area of the commodity
By dividing the gross tonnage of the space by the volume of the commodity
Which plan shows the position of the vertical and longitudinal centres of gravity for each cargo compartment of a Bulk Carrier?
Shell expansion
Line drawing
Vessel stability book
Capacity Plan
The operation of a diesel engine is controlled by a mechanical-hydraulic, compensated speed sensing governor. How will the governor control be affected if the compensation needle valve is closed in and the engine load changes?
The governor will hunt resulting in erratic engine speed control.
Engine speed control will be sluggish.
A change in load will not affect a speed sensing governor.
Altering the compensation needle valve has no effect on speed control.
Where are cargo residues usually concealed?
In the bilges
In the upper sections of the ship’s frames
In bulkhead corrugations
In recesses below manhole covers
When is it necessary to seal a CO2 injection line into the designated ballast hold?
When testing the CO2 system
Prior to ballasting the hold
When carrying non-inflammable cargoes
When handling cargoes that emit dust
What should be the breaking stress of lashing belts used to secure light vehicles, on board a ro-ro vessel?
3.0 to 3.5 tonnes
1.2 to 1.5 tonnes
2.0 to 2.5 tonnes
4.5 to 5.0 tonnes
What are the disadvantages of large double bottom tanks on a double hull oil tanker?
The effect of free surface and reduction in the transverse metacentric height.
Suddenly developing a severe trim.
Potential hazards relating to damage to internal structure and pipelines.
Increased longitudinal bending moments.
What are the duties of engine room ratings forming part of an engine room watch?
To note all machinery not functioning properly.
To clean and maintain dirty equipment.
To assist in the efficient and safe watchkeeping.
To verify the current operational parameters.
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 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
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.
The sign on the image indicates:
Location of boiler suit(s)
You should wear warm clothes in this area
Location of immersion suit(s)
You should wear immersion suit when working in this area
The picture shows a liquid filled thermometer. Liquid filled thermometers and manometers are often installed onboard ships. What is the main purpose for the liquid filling of such pointer instruments?
Keep the rear side of the front glass clean
Avoid water penetration from outside
Reduce mechanical wear on the internal parts caused by vibration
Compensating for changes in ambient temperature
Which one of the following international regulations is normally used when handling dangerous goods?
IMDG code
HB code
KLMNG code
SOLAS code
What necessary precautions should be taken before entering a tank or an enclosed space?
Bring a flashlight and put on safety shoes
Make sure that the tank/ enclosed space is gas free, ventilated and the oxygen content is measured. O2 content shall be 21% before entering the tank/ enclosed space
Remember to have a colleague standing by to assist you if any problems
Use a breathing apparatus if the oxygen level is below 21%
Which of these emission control requirements is correct?
Incineration of PCB's is permitted
Equipment containing ozone-depleting substances may be dumped at sea 50 miles from land
Installation of an exhaust gas cleaning system reduces emission of nitrogen oxide
Low sulphur fuels reduce emissions of volatile organic compounds
During maintenance work on the main engine a problem arises regarding the lifting of a main component in that the manufacturer's instructions ado not apply to the engine as fitted and present a hazard. In which of the information/record sources given in the options, is it most important to record the information relating to this anomaly?
Engine room planned maintenance schedule.
Engine room log book.
ISM procedures in the ship's safety manual.
Safety officers report.
What precautions should be taken with Ro-Ro cargoes when crossing the oceans in winter?
Additional cargo lashings should be applied at the loadport
The ship should avoid areas of heavy weather
All of the alternatives
On the diagram, which letter indicates what is meant by the word "DRAUGHT" of the ship?
Draught is indicated by B, in the figure
Draught is indicated by A, in the figure
Draught is indicated by C, in the figure
Draught is indicated by D, in the figure
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
Where would you find the document relating to the "Condition of Freeboard Assignment" onboard?
With the Loadline Certificate.
With the Structural Survey File.
With the Classification Records.
With the Safety Construction Certificate.
What is the meaning of the term “Span” of a transducer
The length between the connecting flanges
Type of standard output signal according to ISO
The maximum output signal when you have a minimum process value
The difference between maximum and minimum measurement that gives a standard output signal
What does the term "Hard a Starboard" or "Hard to Starboard" mean?
Start the ship swinging to starboard.
Do not allow the vessel to swing to port.
The wheel is difficult to turn to starboard.
Put the wheel fully over to starboard.
Which of the following is a warning sign of a faulty hydraulic hatch cover system?
Dry greasing points
The presence of dust and cargo particles around the piston gland
A fall in the hydraulic header tank level
Noisy hatch cover operations
As part of the regular maintenance for a paramagnetic oxygen analyser used for measuring the oxygen content of exhaust gas it is important to keep the sample line filter as clean as possible. Why is this necessary with this type of instrument?
The filter may rupture due to the high pressures generated by the sample pump.
The pressure drop across the filter may damage the sampling pump.
A high flow rate is required in order to deflect the sensing element.
Pressure variations in the sample chamber can cause errors so restrictions must be kept to a minimum.
A new reefer vessel is described as having 'Cargo spaces lined with stainless steel, refrigeration supplied by circulating cold air around the outside of cargo spaces, no hatches on deck and one light crane'. Which of the vessel types given in the options is the most likely type being described?
A vessel designed for the carriage of fish at very low temperatures.
A vessel designed for the carriage of specialised fruit.
A vessel designed for the carriage of orange juice in bulk.
A vessel designed for carriage of chilled meat products.
What is the possible concern if fuel tanks on a Bulk Carrier, which are close to cargo spaces containing grain, are excessively heated?
The grain cargo may produce methane gas
No damage should occur
The grain cargo may be heated and damaged
The cargo may liquefy
What would be understood by the message "A yacht has capsized in heavy seas"??
The message means the vessel is taking in water.
The message means the yacht has been overturned in heavy seas
The message means the yacht has lost its Captain in heavy seas
The message means the vessel is experiencing heavy seas and may need assistance
A compressed air supply system has two automatically controlled air compressors. When demand is high both compressors are needed to meet the delivery requirements. What is the best method for controlling the compressors to meet a varying, but intermittent demand?
Start and stop of the compressors controlled by timer switches.
Continuous running of both compressors and the use of unloading devices.
One compressor running continuously with the other on standby.
Sequential start initiated by pressure switches set at different switching pressures.
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.
In a single side skin bulk carrier of 180m in length constructed in 2001 and carrying cargo of density 1,780 kg/m3, or above, which cargo hold is strengthened to withstand flooding?
The aftermost cargo hold
The ballast hold
The midships cargo hold
The foremost cargo hold
The torsion meter for the main propeller shaft is reading high. The torque is sensed using the angle of twist principle with two clamp rings attached to the shaft at a fixed distance, with stationary proximity switches for measuring the angle of twist and also shaft speed fixed to a rigid stool. What is the most likely cause of the high reading?
Axial slip of one of the clamp rings to bring them closer together.
Circumferential slip of the after clamp ring in the opposite direction to shaft rotation.
Axial slip of one of the clamp rings to move them further apart.
Circumferential slip of the forward clamp ring in the opposite direction to shaft rotation.
What is a Jensen Sling used for?
Loading and discharging bales
Loading and discharging steel pipes
Loading and discharging paper reels
Loading and discharging packaged timber
You are in an area of restricted visibility, close to a port. You hear this signal. What vessel does it come from and what additional information does the signal provide?
A vessel at anchor, more than 100 metres in length. She is sounding the additional signal to give warning of her position.
A vessel aground, more than 100 metres in length. The additional signal indicates which side the clear water lies on.
A vessel at anchor, less than 100 metres in length. She is sounding the additional signal top give warning of her position.
A vessel at anchor, more than 100 metres in length. The additional signal indicates that her cable extends at least 25 metres from her bow.
Frozen cargo such as lamb carcasses requires careful loading to ensure a neat and tight stow in the hold and requires the crew and stevedores to have considerable skill to achieve this. Which of the options given is the main reason for this?
The carcasses are difficult to pick up when handling.
The carcasses are heavy.
The carcasses are of an irregular shape.
The carcasses are often large.
This amplifier circuit is a common configuration used to amplify the difference in voltage between two input signals; in this case input 1 and 2. What is this amplifier called?
Push-pull amplifier
Differential amplifier
Common emitter amplifier
Darlington connection amplifier
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.
The "dew point" of a liquid chemical is often quoted in the documentation relating to its loading and carriage. Which of the following is a definition of "dew point"?
The temperature at which a gas is saturated with respect to a condensable component, as in operational terms is seen at the point when air is saturated with moisture.
The temperature at which dry-ice melts in Acetone.
The temperature at which a condensable component is saturated with respect to a gas, as in operational terms is seen at the point when moisture no longer detectable in air.
The temperature at which a saturated gas exhibits condensation.
Why should vehicles stowed on ramps face downwards?
To facilitate cargo discharge operations
To facilitate cargo stowage operations
To prevent fuel draining from the engine
To prevent excessive tyre compression
In what kind of atmosphere should tank washing be carried out onboard vessels with inert-gas system?
Inerted to less than 8% oxygen(IMO).
After an electric fan have been blowing fresh air into the tank for a minimum time of one hour.
Steamed to a humidity of at least 75%
After the bottom has been covered with salt water.
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.