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Maison Tests en ligne CES Chemical tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Chemical tanker vessel
Tests en ligne : Test online CES 5.1 for MASTER / Ch-Officer, Chemical tanker vessel
Test en ligne
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Le test consiste en des questions aléatoires sur un sujet sélectionné.
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Give the meaning of the following symbol
Lifeboat hand flare
Survival craft distress pyrotechnic signals
Rocket parachute flares
Line throwing appliance
Give the meaning of the following symbol
Line throwing appliance
Survival craft distress pyrotechnic signals
Rocket parachute flares
Buoy fitted with line throwing appliance
The comburent is
the oxidising-reductor agent, which burns in contact with air
the oxidising agent in the presence of which fuel may burn. The oxygen is a comburent par excellence
the reductor agent in the presence of which fuel may burn. The monoxide is a comburent par excellence
the name given to any fuel, when it burns with oxygen
What is the inherent danger in welding/cutting in piping containing freon?
Depletion of the ozone layer?
Depletion of oxygen in the air?
Development of nitrous gases?
Development of explosive gases?
The fixed-pressure water-spraying fire-extinguishing system nozzles must ensure an effective average distribution of water in machinery spaces of
10 l /m?/ min
5 l /m?/ min
20 l /m?/ min
12 l /m?/ min
*How many fire hoses are required for general cargo ships of 1000 gross tonnage and upwards (not including hoses in any engine or boiler room) ?
At least one hose for each fire hydrant
At least one hose for every two fire hydrants
At least one hose for each 30 meter length of ship plus one spare
At least two hoses for each vertical fire zone
*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
In accommodation the automatic sprinklers shall come into operation within the temperature range: (SOLAS II-2/12.2.4)
68 - 79°C
48 - 55°C
56 - 67°C
80 - 90°C
With help of DSC a ship wants to contact a coast-station to have a question for telephone call. One has to choose from the following DSC-frequencies
TX: 8415.0 kHzRX: 8436.5 kHz
TX: 8415.0 kHzRX: 8415.0 kHz
TX: 8436.5 kHzRX: 8436.5 kHz
Don't know
The DSC-controller display the following: DOO: 244562000 CH16 ; S distress sinking After receiving this DSC message the following is done immediately:
Call the Chief officer
Give a “DSC-acknowledgement”
Listen out on VHF channel 16
Send a "distress alert relay"
A distress alert sent by Inmarsat to an RCC is sent via:
LUT
Don't know
NCS
LES
The volume button of a mariphone controls:
the transmitting power
the squelch
the volume
Don't know
Which of the following is a INMARSAT C Mobile Earth Station Identification Number (IMN)?
422753810
227530000
122700
322753810
How many digits are there on a MMSI number?
6
9
12
none of the above
If requested by a coastal radio station to participate in a rescue operation, what is the most important information you may give?
Your position, name, call sign and speed
Your crews nationality
Your destination
Your own cargo owner
How are the NAVTEX areas identified ?
By one digit
One lettre and one digit
Two lettres
One lettre
Which type of call will be sent by a ship in danger of capsizing and needing assistance from all vessels in her vicinity ?
Distress call
Urgent call
Safety call
Distress relay call
What do you do after receiving a MF DSC DISTRESS call ?
You send immediatly a DSC DISTRESS ACKNOWLEDGEMENT call
You set watch on channel 2182 KHz
You send immediatly a DSC DISTRESS RELAY call
You set watch on channel 2187,5 KHz
SART is short for:
Search and Rescue radar transmitter
Safety and Rescue radar transmitter
Search and rescue radar transponder
Safety and radio telephony
The details of a ship AAIC are contained in:
The ITU List of Coast Stations
The ITU List of Callsigns and Numerical Identities of Stations used by the Maritime Mobile and Maritime Mobile-Satellite Services
The ITU List of Radiodetermination and Special Services
The ITU List of Ship Stations
You are on a 10.000 ton Chemical Tanker that in addition to fixed foam monitors, is equipped with portable foam applicators. One of the applicators is lost. When ordering a new one you would order one with:
A throughput of at least 400 litters a minute and a "throw" of 15 metres?
A throughput of at least 20 litters a minute and a "throw" of 5 metres?
A throughput of at least 250 litters a minute and a "throw" of 12 metres?
A throughput of at least 100 litters a minute and a "throw" of 10 metres?
For vessels carring toxic products, how many sets of complete safety equipment should be on board ?
10 complete sets.
Sufficant, but minimum 3 complete sets.
Sufficant, but minimum 2 complete sets.
5 complete sets.
You are serving on a 5 year old chemical tanker. You are called upon to order a portable blower for ventilation of DB tanks, cofferdams & pipe tunnels prior entry & during inspection.You would order a blower of capacity:
Able to effect a complete change of air of the space being ventilated 16 times an hour?
Able to effect a complete change of air of the space being ventilated 12 times an hour?
Able to effect a complete change of air of the space being ventilated once an hour?
Able to effect a complete change of air of the space being ventilated 4 times an hour?
What should NOT be given to a patient suffering from diarrhea?
Milk
Grated apple
Coca Cola
Oatmeal gruel
You are part of a team of two First Aiders in a resuscitation situation. What is the rhythm of resuscitation with two First Aiders?
5 compressions after every 1 inflation
7 inflations before every 5 compressions
10 compressions within every 3 inflations.
3 compressions after every 1 inflation
Your vessel has been involved in a collision, which has resulted in a heavy oil leakage. Who should be called to handle pollution claims and damages?
Flag state representative.
The Classification Society's representative.
The Leading Hull Underwriter's nearest Average Agent.
The P & I Club's nearest representative.
MARPOL 73/78 - Annex V. Disposal of garbage outside "Special Areas". After unpacking spares, you are left with a limited amount of packing materials. What will be the nearest distance to land for disposal into the sea of this materials?
50 miles
25 miles
3 miles
12 miles
Ship to ship communication during SAR should be executed by?
Satellite
VHF and MF
VHF
MF
According to the rules of GMDSS, on behalf of safe navigation a listening watch should be Kept on:
Don't know
VHF-channel 13 in the areas where the master deems it necessary
VHF-channel 16
VHF-channel 70
What statement is correct with frequency modulation?
The amplitude fluctuating an LF-rhythm
The amplitude remain constant
The frequency is constant
Frequency modulation is often applied in the maritime VHF-range (band)
Your vessel has been involved in a collision. As master you have to write about the accident in the log-book. In order to only write the facts in the log-book, which of the following procedures do you find most correct?
Write down the story as favourable as possible seen from your own point of view. Make sure that your log-book tells your story.
Find out from officers and crew who have been in connection with the collision, what they have seen, so that detailed and complete description of the sequence of events can be entered in the log-book.
Write continually in the log-book as soon as the accidents happen.
Write down all the facts you have collected, and also write down your own opinion about the circumstances.
A person wearing a thermal protective aid shall be able:
to climb up and down a vertical ladder
to wear a lifejacket inside
to jump into the water from a height of 4.5m
to swim a short distance trough the water and board a survival craft
Which of the following features is required for an anti-exposure suit ?
is made of such a material that it cannot be torn
is marked with the name of the vessel to which the appliance belongs
can be continously worn without impeding every duties to be performed by the wearer when in normal watch on the bridge
covers the whole body with the exception of the head and hands and possibly feet
Which one of the listed requirements regarding thermal protective aids do not correspond to present regulations? The thermal protective aids shall:
permit the wearer to swim a short distance through the water and board a survival craft
cover the whole body except the face of a person wearing a lifejacket
permit the wearer to remove it in water in not more than two minutes
be unpacked and easily donned in a survival craft without assistance
Which item among those below is included in the normal equipment of every liferaft ?
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
one rustproof graduated drinking vessel
one searchlight which can work continuously for not less than 3 hours
one boat-hook
Which item among those below is included in the normal equipment of every lifeboat ?
an EPIRB
sea-charts and navigating equipment
one life-jacket for each person
a given number of buoyant oars provided with thole pins or crutches attached by lanyards
As per SOLAS regulations, the general emergency alarm system must be tested:
Every 3 weeks
Every week
Every 2 weeks
Every month
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. Which of following detailed explanations of crew duties in relation to emergency situations shall be contained therein?
The method and use of sea-anchors (drogues)
The use of oars and other propulsion equipment for survival crafts
The use of navigational equipment for survival crafts
Correct donning of fire protective clothing
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. The training manual shall contain detailed explanations of crew duties in relation to emergency situations. Which of the following tasks or duties shall be included in the manual according to present regulations?
The use of the ship's line throwing apparatus.
The use of navigational equipment for survival crafts.
The use of surface to air visual signals to be used by survivors.
The use of escape routes and other escape methodes.
If the Radar scanners of one vessel are in the same horizontal plane as the cargo deck of the other during transfer operations, which type of radar emissions would pose a greater danger of the induced ignition of flammable vapours?
a 10 cm radar.
Neither a 10 or a 3 cm radar.
Both a 10 and a 3 cm radar.
a 3 cm radar.
You are the Sen.Off.Deck of a vessel involved in a collision. All necessary actions to ensure safety of crew and vessel has been taken. What shall you then tell the Sen.Off.Deck on the other vessel?
Don-t talk to the Sen.Off.Deck on the other vessel at all.
Name and Port of registry of your vessel.
That you are sorry for the collision.
Check with the pilot, or any witnesses, about their consideration of whom to blame for the collision.
In the chemical trade the acceptable means of cargo line segregation in case of two non-compatible products is:
By double blank flanges with a drain between them?
By double valve segregation using sluice valves only?
By a single blank flange?
By double valve segregation?
In chemical tankers, to avoid having a deteriorating effect on cargoes and also to avoid cargoes attacking them, steam heating coil are generally made of:
Mild steel?
Stainless steel?
Cuprous alloys?
Copper?
When carrying LNG cargoes it is useful to have information about its thermodynamic properties. What is a common source of information that can be used to obtain values for a wide range of these properties?
The IGC code.
The cargo manifest.
Material safety data sheet.
A Mollier chart.
The crane on a General Cargo Ship is designed for Grab Service with a hoisting load of 16 tonnes including grab weight. Grab weight: 8 tons, Grab cubic: 10 m3. You are going to discharge a cargo of dry minerals having a stowage factor of between 0.7 - 0
16 tonnes.
7 tonnes.
8 tonnes.
15 tonnes.
Why is it necessary to have an effective ballast water management plan which includes provision for changing out ballast in open water rather than discharging ballast in coastal waters?
To allow ballast tank inspections to be carried out during ballast passage.
To keep the ballast water fresh in the ballast tanks during long voyages.
To avoid the introduction of non-indigenous species of marine life from one area to another.
To ensure that ballast tanks are always pressed up during a ballast voyage to avoid free surface effects.
The bottom end bolts for a high speed diesel engine are checked to see if they are fit for service by measuring the free length against a standard length. During overhaul the check reveals that one out of a pair of bolts has exceeded the recommended elongation limit. From the options given select the most appropriate action to be taken.
Replace all of the bottom end bolts in the engine with new spares.
Replace the pair of bolts with new spares.
Refit the bolts as long as one of them is within the limit it should be ok.
Replace the single bolt that has exceeded the limit with a new spare.
To minimise the risk of damage what type of tools should be used to clean boiler burner tips?
Brass tools.
Steel tools.
Wooden tools
Any kind of tools that are available.
What hazards are associated with the carriage of wood pellets in bulk?
Spontaneous combustion and self-heating
Possible dust explosion due to excessive ventilation
Oxygen depletion and generation of carbon monoxide in cargo and communicating spaces
Possible liquefaction of cargo, en route
How can you monitor the liquid level in the vapour line?
By use of a float switch or differential pressure in the liquid receiver
By monitoring the atmosphere in the vapour line with a fixed gas detector
There isn't any possibilities to monitor liquid in the vapour line
By monitoring the temperature in the vapour line on the compressors suction side
What is the purpose of refractory linings in an oil fired steam boiler furnace?
To support the steam drum.
To ignite the burner during automatic operation.
To prevent excessive furnace heat losses and protect tubes and other fittings from overheating.
To give added strength to the furnace.
A pump cover is sealed using a paper gasket which is damaged during overhaul. There are no spare gaskets available. How should the casing be sealed when reassembling the pump?
Re-use the old gasket.
Run a bead of silicon around the outside of the joint after fitting the cover.
Put a thick layer of jointing compound on the face of the cover and tighten the cover until the compound squeezes out.
Make a new gasket from old chart paper or other similar material of the same thickness as the original gasket.
What is a Marine Evacuation System?
Liferafts supported by Fast Rescue Boats and Lifeboats
Evacuation Chute(s)/Slide(s) and Liferafts
Helicopter evacuation
Assistance from other ships
Who is responsible to ensure that all personnel on board are provided with suitable Personal Protective Equipment where it is needed?
The Head Department
The Master
The Company/ employer
The safety officer
What would be the most likely cause of a smell of "rotten eggs" in the upper casing of the engine room?
Fresh water evaparator malfunction.
Open or leaking acetylene bottle.
A leak of exhaust gas from a boiler or diesel engine exhaust.
Failure of the ship's refrigeration system.
Which of the 4 alternatives shows a NPN transistor?
Figure 4.
Figure 3.
Figure 2.
Figure 1.
If a cargo is heated, which of the following happens?
Its weight does not change, but its volume increases - it expands.
Its volume does not change, but its weight decreases - it gets lighter.
Its weight does not change, but its volume decreases - it contracts.
Its volume does not change, but its weight increases - it gets heavier.
You have just finished discharging several grades of chemicals. Why is it important that the Chief Officer has considered "solubility" when planning the tank-cleaning programme?
Because it will have indicated if hydrocarbons will still be present on the tank bulkheads after initial cleaning and that a chemical additive may need to be circulated or sprayed afterwards to remove them.
Because it will have shown which tanks need to be cleaned first.
Because it will have indicated if the cargo residues can be cleaned with water alone, or if a chemical additive will be needed to help break them down.
Because it will have indicated how much odour there is likely to be remaining in the tank after cleaning.
A General Cargo Vessel is loading and rain starts to fall; what action should be taken by the OOW ?
Cargo operations would only be stopped if cargo bagged grain
Rain should not affect cargo operations
In all cases of rain cargo operations should stop unless Master authorises operations to continue
Only Port Authorities can make decision to stop cargo operations
A decision support system for emergency management shall be provided on the navigation bridge. What type of emergency situations shall as a minimum be identified in the emergency plans?
Fire, Damage to ship, Pollution, Unlawful acts threatening the safety of the ship and the security of its passenger and crew, Pesonnel accidents, Cargo-related accidents, Emergency assistance to other ships
Evacuation, Fire, Pollution and Man-Over-Board
Man-Over-Board, Evacuation and Fire
Fire, Evacuation, Pollution, Personnel accidents and Ship Security
What is another term for ‘Cargo Sweepings’?
Cargo hold debris
Waste
Marine Pollutants
Dry cargo residues
The temperature of chilled air is monitored after it has passed through a refrigerated cargo and the temperature noted. This temperature is often referred to as the RAT. Which of the given options does RAT stand for in relation to refrigeration of a cargo?
Return Air Temperature.
Respirated Air Temperature.
Relative Air Temperature.
Reduced Air Temperature.
In an inert gas system audible and visible alarms shall be provided to indicate faulty conditions in the installation. Which of the following conditions do not activate the alarms? (SOLAS II-2/62.19.1)
High air pressure in water seal
High water level in the flue gas scrubber
High gas pressure
High gas temperature
What does the term liquefaction mean with respect to some heavy metal concentrate cargoes on a Bulk Carrier?
The cargo is very dry and will not reach a flow state
The cargo may suffer moisture migration and become semi-liquid near the top of the stow
The cargo may self-heat on voyage
The cargo pile will always be stable
What is the purpose of an observation tank in a boiler feed system?
To check condensate returns for oil.
For adding chemicals into the boiler water.
To monitor chloride level.
To monitor the water colour.
Who is responsible for the safe keeping of the ship's documents?
Chief Officer
Chief Engineer
3rd Officer
Master
Most maintenance and repair tasks carried out onboard ship require a permit to work which will include a full risk assessment. Where would an engine room rating find out about the precautions that are required as a result of the risk assessment for a particular task?
Code of Safe Working Practices (COSWP)
Ships Safety Management Manual (ISM Code procedures)
Chief Engineer’s standing orders.
Engine room log book.
In order to speak clearly and effectively you should:
gesture with your arms
stand tall with shoulders squared
never open your mouth too wide
open your mouth, pronounce your consonants, and shape your sounds well
During inspection of a high pressure fuel pump for a medium speed diesel engine it is observed that the upper leading edge and the lower helical edge of the pump plunger have suffered from erosion damage. Select the correct action to take to remedy this from the options given.
Replace the complete pump with a new or reconditioned spare.
Renew the plunger and barrel insert as a pair.
Smooth away the damaged area with a grinder and polishing stone and refit it.
Renew only the plunger if the barrel appears undamaged.
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.
During UMS rounds at night during a sea passage, and the duty engineer discovers the main engine lube oil pump starter "chattering" loudly. Should he:
Switch over to the other pump and inform the CE of the noise immediately.
Call the electrician and inform him of the noise.
Inform the duty officer on the bridge of the noise.
Switch over to the other pump and leave the starter until the next morning.
Which approved publication should be used by a seafarer to help overcome any misunderstanding in communications?
The Oxford Concise Dictionary
The (ICS) Bridge Procedures Guide
Standard Marine Navigational Vocabulary
The (IMO) Standard Marine Communication Phrases (SMCP) booklet
What is the required capacity of the inert gas plant?
At a rate of at least 125% of the maximum rate of discharge capacity.
At a rate of at least 150% of the maximum rate of discharge capacity.
At a rate of at least 135% of the maximum rate of discharge capacity.
Sufficient to avoid negative pressure in cargo tanks.
What distinguishes a "parcel" chemical tanker from other designs?
Such a vessel is fitted with interactive computerised gauging, pumping, valve control and alarm systems for each tank, enabling all data for a single cargo to be concentrated in a single computer display.
Such a vessel is automatically able to achieve segregation of hazardously reactive noxious liquid substances by its design alone.
Such a vessel is fitted with a highly accurate tank gauging system, enabling it to deliver multiple parcels to different receivers from within the same cargo tank.
Such a vessel has a higher number of relatively small capacity, independent cargo tanks, each with its own line and pump, enabling it to carry and deliver multiple grades simultaneously.
What is the advantage of a transmitter with a narrow measurement range?
Do not need any calibration
Easy installation
Lower purchase cost
Better linearity and increased accuracy
To prevent inadvertent leaks, bunker manifold not in use should:
Have blank flanges fitted and tightened with some bolts in place
Have blank flanges fitted with gaskets and tightened with all bolts in place
Have blank flanges fitted with gaskets and tightened with some bolts in place
Have blank flanges fitted and tightened with all bolts in place
The thermal conductance capability is expressed by a material's thermal conductance number and states the heat quantity. What is the denomination for heat quantity?
Enthalpy.
Joule.
Calorific value.
Watts.
From the options given, select the one which controls the effective delivery stroke of a helix type fuel pump for a diesel engine to increase or decrease the quantity of fuel delivered.
The booster pump
The fuel injector
The fuel master control valve
The governor
According to "Summary of minimum requirements" in the IGC Code, what is the requirement for vapour detection for methane (LNG) cargoes?
Toxic vapour detection.
Flammable and toxic detection.
Flammable vapour detection.
Oxygen analyser.
The economizer is used for
Desuperheating of the steam
Heating of the feed-water
Lower the superheater temperature
Heating of the fuel oil
What is the lightweight of a ship according to SOLAS?
Weight of ship including equipment, complement, stores and supplies
Weight of the ship including fixed and permanent equipment, less cargo, complement, passengers, stores and supplies
Weight in tons of operative ship with no cargo
Weight of a light loaded ship (not fully loaded)
You have recently discharged a cargo of Methylene Chloride from tank 4 port. How will the atmosphere in the tank normally be tested for remaining (very low level) traces of vapour to ensure safe conditions before a tank entry certificate is issued?
By reading off a standard explosimeter (combustible gas indicator).
You will be able to smell even a very low level of this product.
It is not possible (or important) to test for trace levels of this product.
By sampling through a gas detector tube.
Transportation of oil at sea can be divided in two groups, which?
Crude oil and fuel oil.
Crude oil and refined products.
Crude oil and black oils.
Crude oil and lubricating oil.
Why should only one set of ballast tanks be filled at any one time on a Bulk Carrier?
To ensure that bending moments do not become excessive
To prevent excessive lists developing
To ensure that free surfaces in ballast tanks do not become excessive during the ballasting operation
To keep the vessel trimmed by the stern
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.
What will a cadet find in the maintenance manual?
A Cadet will find machinery spare parts in the maintenance manual
A Cadet will find a lubricating chart in the maintenance manual
A Cadet will find grease nipples in the maintenance manual
A Cadet will find grease in the maintenance manual
Which would be the most suitable point in the system to obtain a representative of diesel engine lubricating oil for analysis?
From the lubricating system pipeline on the discharge side of the circulating pump.
From the lubricating oil filter drain.
From the lubricating oil cooler drain.
From the lubricating oil purifier outlet.
On a Container vessel, what must be done when container lashing equipment fails at sea?
Report the matter to the equipment manufacturer's
Report the matter to the ship owner
Enter the number and type of failed equipment in the deck log book
Enter the number and type of failed equipment into the lashing equipment file on board
Tank top in engine room has a high quantity of oil residues floating around. When discovered, what action should be taken?
Start the fire pump.
Apply foam to the tank top to minimise the risk of fire.
Notify Ch.Eng., find cause of leakage, remedy the leakage and then immediately start cleaning of the tank top.
Open the overboard valve and start the bilge pump.
Why should containers containing scrap metal be stowed under deck or in high on-deck stowage positions?
Because of separation requirements under the IMDG Code
To avoid contact with seawater
Because of shippers’ requirements
Because of segregation requirements under the IMDG Code
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.