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Главная Онлайн-тесты CES Dry cargo 2nd-Off / 3rd-Off Онлайн-тест CES 5.1 для 2nd-Off / 3rd-Off, Dry cargo vessel
Онлайн-тестирование: Онлайн-тест CES 5.1 для 2nd-Off / 3rd-Off, Dry cargo vessel
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Тест состоит из случайных вопросов по выбранной теме.
Вопрос 1 из 90
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The necessary elements to create fire are
heat and chain reaction
combustible, air, flames and gas
combustible, comburent, flames and chain reaction
combustible, comburent, heat and chain reaction
*Besides certain other factors, a BOILOVER takes place:
When the product is a combustible liquid
If the tank has a floating roof
When the container is nearly full
When the container also contains water
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 are the three diameters of fire hoses most commonly found on ships?
10, 50 or 85 mm
25, 45, or 70 mm
17, 43 or 74 mm
50 or 100 mm
In a smoke filled alleyway, where will the cleanest air be found, and how should you proceed out?
Near to the upper part, stand as tall as possible and walk out
Near to the lower part, therefore sit down and wait for the rescue party
It will be the same in all the parts, therefore you should just leave as quickly as possible
Near to the deck, crawl out keeping your face as near to the deck as possible
Which of the following extinguishers should NOT be used on an electrical fire?
CO2 extinguisher
Halon extinguisher
Water extinguisher
Dry powder extinguisher
Which one of the listed fire-extinguishing medium is most effective against an open oil fire?
Foam
Water
Powder
Gas
A DSC ‘distress alert’ message received contains the information: “GROUNDING”.This means that :
Don't know
For a good connection aerial transmitting has to be earthed
A vessel is aground
For a good connection transmitting receiving has to be earthed
If a coast-station doesn’t answer a call on VHF working channel or doesn’t send a reply signal:
You can repeat your call after 2 minutes
You can repeat your call immediately when convinced that no other radio traffic is interfered with
You must call on another working channel
You must call on distress channel
Give the meaning of the following symbol
Hose box
Remote controlled fire pumps
Foam release station
Powder handgun
When a ship is steaming along a course line, what is the importance of determining the set and rate of drift due to wind and current?
All of the suggested answers
To appreciate the possible extent of drift and dangers in the event of engine failure
To determine the time required to reach the next alteration of course point.
To determine the correction required to the course steered to maintain the planned passage.
During a double banking operation the off-take or smaller vessel generally provides the moorings. If wires are used it is recommended that ropetails are fitted onto the ends of the wires. This is to:
Introduce some elasticity into the lines for shock load absorption
Introduce electrical discontinuity between ships
Permit quick cutting in an emergency
All the listed alternatives
Experience has shown that the most successful method of double banking (when no tugs used) is:
With the larger vessel stopped and drifting in the water, fig. 4.
With the smaller vessel at anchor, fig. 3.
With both vessels underway, fig. 1.
With the larger vessel at anchor, fig. 2.
When should operational checks on navigation equipment be done?
As often as possible
When time allows
When errors are indicated
Regularly, when preparing for sea and entering port
If messages are received which aren’t intended for own ship:
They must only be passed to the master
They must be forwarded to the company
They must be noted in the radio log book
They must not be used for any purpose
Which of the following has not to be noted in the radio log-book
Duration of public correspondence communications
Name of person responsible for distress communications
Discontinuance and resumption of watchkeeping on entering and leaving port
Summary of distress, urgency and safety communications
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
Which of the following requirements regarding life-buoys do NOT correspond to present regulations? (SOLAS III/7.1)
Not less than half the total number of lifebuoys shall be provided with self-igniting lights
All life-buoys shall be placed in holders with quick-release arrangement
at least one life-buoy on each side of the ship shall be fitted with a buoyant lifeline
At least one lifebouy shall be placed within the vicinity of the stern
Which item among those below is included in the normal equipment of every lifeboat ?
a food ration for each person
an EPIRB
sea-charts and navigating equipment
one life-jacket for each person
Which one of the given requirements regarding survival craft muster and embarkation arrangements corresponds to the present SOLAS regulations?
Davit-launched survival craft muster and embarkation stations shall not be arranged to enable stretchers to be placed in survival craft
Muster and embarkation stations shall be readily accessible from accommodation and work areas
Searchlights to be provided at the launching station
Muster and embarkation stations are to be arranged separately to improve working conditions
*Give the meaning of the following symbol
Start engine
Start water spray
Reverse engine
Start air supply
What is the meaning of this symbol ?
Radar transponder
Survival craft portable radio
Survival craft pyrotechnic distress signals
Rocket parachute flares
Which of the following detailed explanations should be mentioned in the Training Manual ?
The use of navigational equipment for survival crafts
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 engines and accessories
Which of the following detailed explanations should be mentioned in the Training Manual ?
The use of escape routes and other escape methods
The use of navigational equipment for survival crafts
The use of all survival equipment
The use of surface to air visual signals to be used by survivors
For how long should a tank be ventilated when people are working inside?
For as long as it is deemed necessary by the chief officer.
For at least 60 minutes.
Until the tank is gas free.
For as long as people are working in the tank.
You are witness to a collision between two other ships close to your vessel. What immediate action should you take?
Send out a distress message on their behalf.
Contact one or both vessels involved in the incident and offer assistance.
Nothing, just standby and wait to see if any assistance is required.
Inform the local coast radio station of the incident and submit your name as a witness.
A section of seawater pipe has been removed for maintenance. When refittingthe pipe after completing the work the bolt holes in the flanges are found to be misaligned. What procedure should be followed to finish the work?
Use wooden wedges to force and hold the pipe into the correct position and then fit the bolts.
Use a chain block to pull the pipe flanges into alignment and leave it in place after the bolts are fitted to avoid overstressing the bolts.
Adjacent pipework should be slackened off to allow the pipe to be aligned. Any incorrectly positioned brackets should be adjusted after the pipe is refitted.
Force the pipe into position and then hammer the bolts into the holes to hold the pipe flanges into alignment.
Cross-flooding fittings shall be operable from:
The engine room
The section where the unsymmetrical flooding occurs
Above the bulkhead deck
The bridge
On a Container vessel, what is the function of double stacking cones?
To link adjacent container stacks together particularly those in line with buttresses
To link out-of-gauge container stacks together
To lock containers horizontally
To lock adjacent container stacks together
A conventional reefer vessel fitted with derricks has four large diameter Yokohama fenders supplied by the charterer. What kind of cargo operation from those given in the options is the vessel most likely being chartered for?
Loading at a dock equipped with poor fendering.
Loading cargo from barges.
Transhipment in the open sea directly from fishing boats.
Loading at a dock which experiences a large tidal range and at which strong winds are common.
What is the purpose of the cylinder head safety valve?
To adjust the cylinder pressure to a safe working pressure.
To relieve excessive high pressure in the cylinder to protect the engine from being damaged.
A valve for safety stop (emergency) of the engine.
For indication of engine being overloaded.
Where do you find detailed information and specific technical requirements for life-saving appliances?
SOLAS
Life-Saving Apliance Code (LSA Code)
ISM Code
Safety Management System
What is the main problem associated with a bulk cargo suffering moisture migration and developing a flow state
The may block up bilges
The cargo pile will remain stable
The cargo becomes semi-liquid and shifts easily causing major stability problems
The cargo may produce carbon dioxide gas
Which of the following statements is correct?
The first row of steel coils can be loaded directly onto the tank top
The first row of steel coils need not be supported by wooden wedges
The first row of steel coils must be loaded on dunnage laid athwartships
The first row of steel coils must be loaded on dunnage laid fore and aft
Which type of cargo tanks are almost exclusively applied to LNG ships and are rarely fitted to LPG ships?
Type "B" spherical tanks.
Independent type "A" tanks.
Self-supporting prismatic tanks.
Independent type "C" tanks.
In terms of instrumentation and measurement, what is an I/P Transducer?
A transducer that converts a known electric current to a pressure proportional to the current.
A transducer that increases a pressure signal which is too low to give the desired effect.
A transducer that converts a pressure to a proportional electric signal.
A transducer that is inverting a pressure signal.
On a cellular container vessel, what would make a cargo hold not ready to accept containers?
Damaged cell guides
Insufficient twistlocks
Indented tank top plating
Lack of dunnage
What is the correct procedure when transferring (internal trimming) of oil cargo is necessary?
Obtain permission from charters and note procedures in oil record book and deck log
Ensure the vessel is even keel on arrival port
Only 5% cargo permitted to transfer.
Ensure safe ballast condition
On the figure 4 possible definitions of the term "ASTERN" are shown. Which one is the correct one?
Astern is defined as C on the figure
Astern is defined as D on the figure
Astern is defined as A on the figure
Astern is defined as B on the figure
MARPOL Annex VI and IMO MSC Circ 585 "Standards for Vapour Emission Control Systems" require that P/V valves in such a system on an oil tanker should relieve the pressure or vacuum once they reach specified levels in a cargo tank. The design is approved by the administration, but what are the usual pressure and vacuum levels required to activate the P/V valves?
Pressure 7 psi (0.048 bar) Vacuum: 1 psi (0.069 bar)
Pressure: 3.2 psi (0.22 bar) Vacuum: 1 psi (0.069 bar)
Pressure: 1 psi (0.069 bar) Vacuum: 0.5 psi (0.034 bar)
Pressure: 0.5 psi (0.034 bar) Vacuum: 0.2 psi (0.014 bar)
Commonly used on an oil tanker, what does an "Explosimeter" measure?
The amount of H2S gas in a tank atmosphere
The level of oxygen present within a tank
The composition of hydrocarbon gas / air mixtures in a tank atmosphere
The relative amounts of nitrogen and combustible gases within a tank
Modern medium speed diesel engines normally have relatively short crankshafts with large diameter pins. How do these design features affect the reliability of crankshaft deflection readings?
The design of the crankshaft has very little effect on the readings when compared to the inaccuracies that arise due to human error.
Very short, stiff crankshafts do not deflect even when the engine is running so the readings are unaffected.
They increase the risk of inaccurate readings due to the 'stiff' shaft having very small natural sag which may therefore result in 'floating journals' in the static condition.
They reduce the risk of inaccurate readings as the large diameter pins result in a relatively heavy shaft which will reduce the risk of 'floating journals'.
Is it allowed to gas up LPG on inert gas atmosphere?
We are not allowed to gas up LPG on inert gas
We are allowed to gas up LPG on inert gas if the inert gas contain less than 5% volume oxygen
We are allowed to gas up LPG on inert gas if the charterer do not instruct the vessel to use nitrogen
We are not allowed to gas up LPG on inert gas if the inert gas contain less than 5% volume oxygen
Which one of the following international regulations is normally used when handling dangerous goods?
IMDG code
HB code
KLMNG code
SOLAS code
A deadweight tester is used to check and calibrate a pressure gauge. The tester consists of a hydraulic pump and a hydraulic chamber and balance weight system. After completing the calibration of the pressure gauge the hydraulic pressure should be relieved before removing the weights. Select, from the options given, the main reason for this requirement.
To protect the pressure gauge from a surge in pressure as the weights are removed.
To protect the hydraulic balance system from a pressure surge as the weights are removed.
To protect the piston in the hydraulic system from possible impact damage as it may reach the end of its stroke.
To protect the hydraulic pump from a pressure surge as the weights are removed.
Indicate the correct name for the tool on the sketch:
Grinding machine
Chisel
Flat file
Pliers
What are the requirements for the number of portable gas measurement instrument(s) on tankers?
At least one instrument for measuring %LEL and one instrument for measuring volume %
Sufficient number of instruments.
At least 2 portable instruments for measuring flammable vapours.
At least 1 portable instrument for measuring flammable vapours.
How frequently should the PA-system (Public Address) be tested?
Every day
Every year
Every second year
Every week
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.
Why should the coil of an ac solenoid valve not be energised when demounted from the valve body?
The coil will lose it's residual magnetism
The coil will jump around.
The coil will fail due to vibration.
The coil will overheat.
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.
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.
A lubricating oil having a high viscosity index number would normally be used in which of the following situations?
When the machinery operates at a very high temperature.
When the machinery operates at a high load.
When the machinery operates at a very low temperature.
When the machinery operates over a wide temperature range.
Your ship is loading at a Single Point Mooring. You are the rating on duty. Which of the following areas will you monitor continuously throughout your watch?
Forcastle head / manifolds / maindeck
Pump room / engine room / Cargo Control Room
Accommodation ladder / Radio Station / Poopdeck
Bridge / Cargo Control Room / Poopdeck
How is the condenser cooling water flow regulating valve automatically controlled in a vapour compression refrigeration system?
By the compressor discharge pressure.
By the quantity of refrigerant in the system.
By the temperature of the refrigerant after the evaporator.
By the temperature in the refrigerated room.
The exhaust gas is too dark because of:
Any of the others.
Faulty fuel injection pumps or valves
Some cylinders is overloaded
Inlet or exhaust valves are leaking
Which electronic component does this graphical symbol illustrate?
Field Effect Transistor
Diode
Silicon controlled rectifier
Bipolar transistor
Which of the following cargoes will easily tip over in heavy weather?
Flatbed trailers carrying transformers
Road tank containers
Palletised cargoes
Transformers and machinery shipped in high wooden crates
At what calendar interval must cargo hoses in service on board be tested and certified as fit to continue in use?
Every 24 months.
Every 12 months.
They do not need to be tested and re-certified for the first three years, but must be tested and certified every 12 months after that.
Testing is not calendar based. Cargo hoses must be tested and certified every 48 operations.
A large vessel develops a sudden sheer when it stops moving through the water, having been steaming through a shallow water channel for several miles. The sheer may be strong and unexpected and is due to what reason?
The shallow water reduces the effectiveness of the rudder and when the vessel stops any applied rudder will become suddenly more effective.
The vessel stopping shifts the pivot point forward and creates a turning moment and results in the ship swinging towards the bank.
The hydrodynamic interaction effects from the banks of the shallow water channel acts on the stern causing the vessel to sheer strongly
The large volume of water dragged behind the vessel continues to move forward and cause a strong turning moment on the stern of the vessel
How many lifejackets are required in a passenger cabin?
Twice the number of beds in the cabin
At least 2
None, they will be handed out at the muster station
Same number as beds in the cabin
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
"From the list below, which is among the recommended actions for a vessel to take, on entering an area known for pirate activity?"
To transit with maximum safe speed
To transit at night time only
To turn off all lights
To confine all ship’s personnel to one room onboard
Why is it dangerous to load wet Scrap Steel in containers?
Because of the huge increase in the weight of the cargo
Because the cargo will corrode the container
Because the cargo can spontaneously ignite
Because the cargo will not dry out en route
Liquefied gas carriers and terminals must each have an Emergency Shut-Down (ESD) system. In the event of an emergency during loading which is normally the preferred order of operating these emergency shut down systems?
Operate both ESD systems together, simultaneously.
Operate the ship ESD system first.
Operate the terminal ESD system first.
There is no preferred order of operation for these systems.
Why should a surveyor be in attendance when discharging steel rebars from a General Cargo Vessel?
In case cargo is found damaged during cargo discharge operations
Because individual rebars will be inter-twined with those below them and will therefore be discharged in damaged condition
Because of charterers? requirements
Because it is a P. & I. Club requirement
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
For a container stowed in a position equidistant from the roll and pitch axes of a ship, what will quarter the acceleration forces acting on it?
Halving the pitch period
Doubling the pitch period
Halving the roll period
Doubling the roll period
What will happen when you start a centrifugal pump with the delivery valve closed?
The starting load on the motor will cause overload.
The pump will lose suction.
The delivery pressure will be large causing the relief valve to open.
The starting load on the motor will be minimum.
How should lashing belts be stowed on board a RoRo vessel?
According to their Safe Working Load (SWL)
According to their date of manufacture
According to model type
According to the manufacturer
We say the centrifugal pump cavitates when:?
When the liquid accelerates from the suction side.
When the NPSH is variable.
A reduction of the flow.
We have negative pressure on the inlet side of the pump.
The fuel consumption for the main engine is calculated using the readings from the supply and return flow meters which are of the positive displacement type. When compared to the quantities calculated from tank soundings and calibration tables and indicated on the contents gauges the consumption appears consistently high. Which of the options given is the most likely cause of this discrepancy?
The supply flow meter is giving too high a reading due to internal wear.
The tank calibration tables are incorrect.
The tank contents gauges are calibrated for the wrong fuel type.
The return flow meter is giving a low reading due to internal wear.
Some diesel engines have alarm and slow down protection in the event of a fire in the scavenge boxes. Choose the option which would be a typical set point for giving a slow down of the engine in the event of a scavenge box fire?
40° C
120° C
50° C
150° C
Which is the "AFT BREAST LINE", in the figure?
The aft breast line is indicated by C, in the figure
The aft breast line is indicated by B, in the figure
The aft breast line is indicated by D, in the figure
The aft breast line is indicated by A, in the figure
What is the typical size of a LNG carrier?
12,000 - 50,000
200,000 - 250,000
75,000 - 80,000
125,000 - 145,000 cbm.
The ship is en route. When may passengers visit the bridge?
Passengers are not allowed to visit the bridge while the ship is en route
When the weather is nice and the sea is calm
During daytime if the traffic is smooth
Whenever they want
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.
On a RoRo vessel, what must you ensure where the cap of a sounding pipe is flush with a ro-ro deck?
Sufficient vertical clearances between the sounding pipe cap and cargo lashings
Prohibit all cargo stowage around this area
Prohibit the stowage of general cargo around the area
Prohibit the stowage of wheeled cargo around the area
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"
Whenever there is a major bleeding, the first priority should be to:
Stop the bleeding
Raise an alarm
Call the doctor
Take the pulse of the patient
Which type temperature sensors are shown on this picture?
Thermistor type PTC
Thermocouple sensors
Resistance sensors
Thermistors type NTC
Which of the following cargo types is a general cargo vessel best suited ?
Containers and heavy project cargo
Pallets tinned foodstuffs and drums chemicals
Bulk grain and bulk cement
Fruit and vegetable cargoes
What would you do if you saw a person falling overboard?
If I saw a person falling overboard I would shout once, "Man overboard"
If I saw a person falling overboard I would run to the Bridge
If I saw a person falling overboard I would inform the Bosun
If I saw a person falling overboard I would shout repeatedly, "Man overboard"
What is the estimated average daily calorie intake required by an active adult male?
650
4400
2900
7500
What will occur within the cargo tank if Crude Oil Washing is undertaken with oil containing a substantial amount of water?
It will be impossible to separate the oil and water at a later stage
Ther will be inadequate drainage due to emulsification
An electrically charged mist may be generated
It will assist in the cleaning of the tank
On a Container vessel, to what would a fibreglass yacht be secured after lifting onboard?
The cradle
Flatrack
Yacht Bay
Pallet
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.
What is the Chief Mate worried about?
He is worried that oil will leak out before the mooring is finished
He is worried that oil will run through the outlets and into the sea
He is worried that the cadet will not finish his mooring job
He is worried that oil will be pumped into the sea
What are the Bosun and 2nd Mate going to do?
They are stand-by at the forecastle
They are repairing the windlass
They are waiting for the Pilot
They are going to weigh the anchor
*Which of the following detailed explanations should be mentioned in the Training Manual ?
The illumination in launching areas
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
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.