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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
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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
Buoy fitted with line throwing appliance
Lifeboat hand flare
Line throwing appliance
Rocket parachute flares
In which ways is heat transmitted?
Delay, conduction, radiation
Conduction, convection and radiation
Gasification, conduction and convection
Radiation and gasification
*In a ship that is not fitted with a main fire control room, where is the control panel of a fixed fire detection system located?
Répondre
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.
*When should a crew member joining a ship for the first time be given some training and instructions in the use of the ship's fire-fighting appliances ?
As soon as possible
As soon as possible but not later than 24 hours after he joins the ship
As soon as possible but not later than 2 weeks after he joins the ship
As soon as possible but not later than 2 days after he joins the ship
Instructions for "Preparation for welding or hot work in cargo tanks" is laid down by the Norwegian Maritime Directorate. Which of the following requirements regarding welding or hot work corresponds to these instructions?
When the tank has been satisfactory cleaned.
Measuring of tank atmosphere shall be performed by one explosimeter.
When the tank has been satisfactory cleaned there shall be a 24 hour quarantene. Ventilation to be stopped and gas measuring to be carried out every second hour.
Ventilation from deck may only be carried out with the ship's inert gas fans.
You wish to send a DSC-message because of a m.o.b. situation and assistance by other ships is required. You have to choose the category:
Individual
Urgency
Safety
Distress
The display of a DSC-controller on board shows the following options: (see original)If a DSC-message is intended for vessels in a certain geographical area, one chooses:
Don't know
G.Area
All Ships
Group
To prevent overload of the MF/HF transmitter;
Do not transmit too long at full power
Switch over to low power intermitently
Clean the dust filter of the fan regularly
Do not leave the transmitter on stand-by for too long, if not required
What is the emergency frequency on H.F. (High Frequency) Radio / Telegraphy?
550 kHz
666 kHz
710 kHz
500 kHz
When may a call for radio medical advice be preceded by the urgency-signal:
Always
In urgent cases
When you have a doctor on board
Never
Command of radio-telephony traffic between vessels and coast-stations lies with:
Don't know
the coast-station
the vessel
always with the station calling
To what pressure will a new length of cargo hose be tested by a manufacturer prior to its supply to a vessel for service onboard a chemical tanker?
Not more than one and a half times its specified maximum working pressure, but not less than two-fifths of its bursting pressure.
Not less than one and a half times its nominal bursting pressure, but not more than four-fifths of its specified maximum working pressure.
2 times its designed working pressure, but not more than three-fifths of its nominal bursting pressure.
Not less than one and a half times its specified maximum working pressure, but not more than two-fifths of its bursting pressure.
How long must an Oil Record Book, documenting oil cargo operations, be retained on board after the last entry has been made?
Not less than 5 years.
Not less than 3 years.
It may be disposed of, or landed at the next port, following completion.
1year.
Unconscious casualties who are breathing and whose hearts are beating should be placed in the Recovery Position. What is the Recovery Position?
As shown in figure 4.
As shown in figure 3.
As shown in figure 2.
As shown in figure 1.
New MARPOL regulations came into effect from July 93 stating that the previous instantaneous rate of discharge of oil content (60 litters per nautical mile) was changed to:
30 litters per nautical mile
20 litters per nautical mile
25 litters per nautical mile
10 litters per nautical mile
According to the IMDG code which class of materials can have an extra number on the label to indicate its incompatibility with another material of its class?
Class1
Class2
Class3
Class 4.1
You are Sen.Off.Deck onboard a merchant vessel. During the night you have been in collision with a sail boat. There is no sign of life in the water. What will you do?
Call the company, explain the situation and ask for orders.
Leave the position as fast as possible.
Just do nothing on your own; wait for assistance.
Alarm the rescue centre and commence seaching for any survivals.
Your vessel is transiting the Panama Canal. Which manning level is applicable?
Sufficiently manned with officers and crew to permit safe handling of vessel
A reduced crew is acceptable since the Panama Canal authorities are supplying transit crew
Manning level as per statutory requirements + 10% more to handle mooring equipment
Manning level as per (statutory requirements) masters discretion
Your vessel is moving in Panama Canal waters. When must the master or his qualified representative be on the bridge?
When entering or leaving locks only
When at anchor or alongside a pier
When going through the Gaillard cut only
At all times
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.
SOLAS regulation requires that tankers of XXX ton dwt must be equipped with an emergency towing system?
20 000 dwt
10 000 dwt
30 000 dwt
50 000 dwt
" On area A4 the function "" Transmission and reception of on scene communications"" is mainly based on:"
the use of HF DSC
the use of MF and/or VHF R/T
the use of SARSAT COSPAS Epirbs
the use of MF and/or HF R/T
Secrecy in maritime radio traffic means that:
the speaker of the mariphone is to be surged off during private conversations
Don't know
the mariphone may only be operated by certificate holders who signed a statement of secrecy
received messages which aren’t intended for own ship are not used
Within territorial waters the use of transmitters is prohibited. In general this doe not apply for:
MF-equipment
Ship to ship communication
HF-equipment
VHF-equipment
The person charged with radio distress traffic must be referred to in:
MERSAR book
The ship's radio log book
Safety certificate
The manual
The PTT-switch must be:
Don't know
pressed in during transmitting only to work simplex
must pressed in constantly to work semi-duplex
pressed in during transmitting only to work duplex
Which of the following is the correct minimum carriage requirement for a ship of more than 300 gross tons and operating in area A1:
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
For how long and at what speed is a fully loaded lifeboat designed to operate in calm weather ?
6 knots for 24 hours
4 knots for 48 hours
3 knots for 24 hours
10 knots for 24 hours
Which item among those below is included in the normal equipment of every lifeboat ?
sea-charts and navigating equipment
one immersion suit for each person
a VHF transceiver
portable fire-extinguishing equipment suitable for oil fires
An inflatable liferaft accommodating 6 persons is fitted with:
2 entrances each being fitted with a boarding ladder
1entrance fitted with a boarding ladder
2 entrances among which one is fitted with a semi-rigid boarding ramp
1entrance fitted with a semi-rigid boarding ramp
What is the greatest interest of the "help" position ?
It lessens the survivor's stress
It prevents the survivor's blood from collecting in the lower part of his body
It lessens the survivor's fatigue
It lessens the survivor's heat escape
*Where do you find minimum drill requirements?
In the SOLAS convention and its annex
In owner-s instruction
In manager-s instructions
In classification society rules
What kind of safety equipment must be worn during mooring operations?
Safety helmet, safety shoes.
Boiler suit, working gloves.
All of the mentioned equipment.
Dress according to the climate.
What special safety measures are required by a seaman when working aloft on a stage?
Safety harness with a rope secured to a safe point above.
No special safety measures required.
A safety harness secured to the stage.
Helmet, safety shoes and gloves.
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.
The responsibility for safety and security rests with everybody on board the vessel. General house-keeping rules should be followed. Which of the listed rules is the most important?
Do not carry lighters or matches when working outdoors.
Keep tools within easy reach during work.
Keep your working area clean and tidy.
Always use gloves when using grinding machines.
Which type of portable lighting may be used to enter a compartment on a tank barge which is NOT gas-free?
A spark resistant and flame retardant lamp
None of the above
An explosion-proof, self-contained, battery-fed lamp
A three-cell flashlight
According to 33 CFR 156, oil tankers trading in US waters are required to test and document the testing of cargo transfer hoses and transfer pipe system. What is the minimum requirement when testing these components?
That no leakage occurs under static liquid pressure of at least 1.25 times the maximum allowable working pressure.
That no leakage occurs at the nominal anticipated working pressure.
That no leakage occurs under dynamic fluid pressure of less than 1.5 times the maximum allowable working pressure.
That no leakage occurs under static liquid pressure of at least 1.5 times the maximum allowable working pressure.
Which of the following can cause an unprecedented list at sea?
Heavy weather
Ballast water exchange
Turning the vessel
Shift of cargo
Which is the "TUG TOWING LINE', in the figure?
The Tug Towing Line is indicated by B, in the figure
The Tug Towing Line is indicated by D, in the figure
The Tug Towing Line is indicated by C, in the figure
The Tug Towing Line is indicated by A, in the figure
What does MARVS mean?
Maximum ROB of Vapour.
Maximum Recovery Setting.
Minimum Allowed Relive Valve Setting.
Maximum Allowed Relive Valve Setting.
Ordinary thyristors (SCR) must often be protected against reverse overvoltage transients because even over-voltages of extremely short duration can destroy them. These circuits have been given such over-voltage protection, but only one of them is correct. Which?
Figure 2
Figure 3
Figure 1
Figure 4
You are to carry a cargo of Phenol across the North Atlantic in winter time. What precaution will you take with the double bottom tank located under the cargo tank containing the Phenol?
It is not necessary to take any additional precautions with the double bottom tank because it is part of an entirely separate pumping system.
It should be continuously vented to avoid the build up of condensation on the structure around the product.
It should be empty, to avoid cold water contacted the structure around the product because Phenol has a relatively high melting point.
It should be inerted, because Phenol has a very low Flash Point.
You are in an area of restricted visibility. You hear this sound signal. What does it mean?
That there is a vessel engaged in underwater operations in the vicinity. She has divers down.
That there is a vessel aground in the vicinity.
That there is a vessel at anchor in the vicinity.
That there is a vessel in distress nearby.
In a purifier assuming the separating temperature is correct, what is probably wrong if processed oil contains water
Back pressure is too high
Gravity disc is too small. Flow rate is too high
Gravity disc is too small
Gravity disc is too large
Severe piston ring and liner wear are experienced in two cylinders of a medium speed diesel engine shortly after a complete overhaul of all of the cylinders of the engine. The engine is fitted throughout with chrome plated cylinder liners. Which of the given options is the most likely cause of the excessive wear in the two cylinders?
The oil control rings have been fitted upside down in the two cylinders.
Chrome plated piston rings have been mistakenly fitted to the two cylinders.
Cast iron piston rings have been mistakenly fitted to the two cylinders.
The running in period for the engine was too short.
What is the purpose of the girders in the tank?
They transfer all the cargo forces acting on the plating.
They transfer all sea forces acting on plating.
They support the stiffeners.
They support the stiffeners and also take up some of the sea force.
It is possible to successfully mix certain types of refrigerated cargo in the same space if they are compatible. Sometimes apparently dissimilar cargoes can be successfully mixed. Which one of the combinations given in the options could be successfully carried as a mixed cargo in the same cargo space?
Oranges and butter.
Oranges and rock lobster.
Oranges and bacon.
Oranges and apples.
A bulk carrier is to carry a full deck cargo of packaged timber; to what regulations must the vessel comply?
Grain Regulations
International Code for the carriage of Dangerous Goods
IMO Code of Practice for the carriage of Timber Deck cargoes
Marine Pollution Regulations
What is "Viscosity"?
The property of a liquid which determines its resistance to flow.
The scale which records the pour point of liquids.
The ability of a substance to overcome friction.
The term used to
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 required in accordance with IMO's requirements regarding cargo segregation?
No special requirements.
1valve
2 valves
3 valves
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.
What is often done prior to loading grain in cargo holds which are sweating?
Portable fans are used to dry the holds
Steelwork within the holds is covered with kraft paper
Steelwork within the hold is covered with plastic
Grain dust is blown into all parts of the hold via the grain elevator
The Inert Gas Plant shall be capable of delivering inert gas with an oxygen content of not more than?
Max. 5% oxygen
Max. 8% oxygen
Max. 10.8% oxygen
Max. 2% oxygen
What is the definition of an "independent" cargo tank?
One which can be loaded with hazardous liquid chemicals that can not be carried in integral cargo tanks.
One which is not subject to the requirements of the IBC Code in respect of the loading and carriage of hazardous liquid cargoes.
One which is not contiguous with, or part of the hull structure.
One which forms part of the ship's hull and structure and which is normally essential to the structural completeness of the ship's hull.
The figure shows a cross section through a ship floating in water, with the hull in red and the seabed below the ship shaded. On the figure there are four (4) possible definitions of the term "FREEBOARD" given. Which one is the correct one?
Freeboard is given by B on the figure
Freeboard is given by C on the figure
Freeboard is given by A on the figure
Freeboard is given by D on the figure
What does the IMSBC Code emphasise with reference to the exposure of personal to the dust created when carrying some bulk cargoes?
The restricted loading of certain cargoes which may be excessively dusty
A high standard of personal hygiene
The responsibility of the Master to ensure that staff are wearing the correct clothing
The code does not make any reference to this hazard
In discussing segregation, the IMDG Code defines what it means by the term "separated from". Which of the following is that definition?
Either in a vertical or horizontal separation: if the intervening decks are not resistant to fire and liquid, then only in a longitudinal separation is acceptable. For "on deck" stowage, this means a distance of at least 12 metres. This distance also applies to one package stowed "on deck" and another in an upper compartment.
With an intervening compartment, being both a vertical and horizontal separation. Provided an intervening deck is resistant to liquid and fire, a vertical separation of 6 metres is acceptable. For "on deck" stowage, this segregation means a distance of at least 12 metres irrespective of compartment divisions.
Effectively segregated so that the incompatible goods cannot interact dangerously in the event of an accident, but may be transported in the same compartment or hold or on deck, provided a horizontal separation, projected vertically, of 3 metres is obtained.
In different compartments or holds when stowed "under deck". Provided an intervening deck is resistent to fire and liquid, a vertical separation may be accepted as equivalent. For "on deck" stowage, this segregation means a distance of at least 6 metres.
What is the correct definition of "lee side"?
Port side.
The side from the wind.
The side against the wind.
Starboard side.
What should be on the deck immediately outside the door to a walk-in refrigerator?
Fire resistant natural fibre matting.
Easy wash plastic floor covering.
Non-slip matting.
An area marked with yellow diagonal lines.
From the options given, select the main reason why conventional mercury thermometers should not be used for taking pulp readings of a fruit cargo on a reefer vessel.
This type of thermometer is not sufficiently accurate.
This type of thermometer is difficult to calibrate.
This type of thermometer is not sufficiently portable.
The mercury may contaminate the fruit if the thermometer is broken while taking the readings.
What is the maximum quantity of cargo permitted to be carried in a single tank on a type 2 chemical tanker?
3400 cubic metres
3000 cubic metres
2400 cubic metres
2750 cubic metres
Who is responsible for ensuring that your ship’s security plan meets the requirements of the ISPS Code?
Recognized Security Organization
Flag State Administration
Company Security Officer
Ship Security Officer
What is the requirement with regard to Familiarisation on board?
Seafarers on board passenger vessels must as soon as possible learn the names of all persons working in the same department in order to ensure efficient daily operation.
During the first tenure, seafarers are responsible for asking at least a 100 questions to the Safety Officer.
Seafarers shall be familiarized with all life saving appliances and emergency exits in case any emergency situation occurs. It takes normally an hour to complete the Safety Familiarisation. The safety Officer is responsible.
Seafarers, on being assigned to any ship, shall be familiarized with their specific duties and with all ship arrangements, installations, equipment, procedures and ship characteristics that are relevant to their routine or emergency duties.
If inspection or repair of the boiler is due, the plant has to be shut down, and the boiler emptied for water. If time is available, which of the following procedures is correct?
The feed water regulator should be bypassed and the boiler topped up with cold feed water immediately after shut down to help cool it down before draining.
The boiler should be allowed to cool down after shut down and then the water should be drained out.
The boiler should be blown down to sea immediately after shut down.
The safety valve easing gear be operated and all the pressure released immediately after shut down and then the remaining water is drained.
A General Cargo vessel develops an angle of loll while loading a heavy item of deck cargo alongside; what is the action to be taken ?
Stop cargo, increase FSE in tanks, lower weights within vessel and fill small ballast tank on high side of vessel
Stop cargo, reduce FSE in tanks, lower weights within vessel and fill small ballast tank on high side of vessel
Stop cargo, increase FSE in tanks, lower weights within vessel and empty small ballast tank on low side of vessel
Stop cargo, reduce FSE in tanks, lower weights within vessel and fill small ballast tank on low side of vessel
A ship is navigating in the Caribbean in August when it receives the warning of a Hurricane. To determine the centre of the storm the Master uses "Buys Ballot's Law" and faces the wind. On what side of the Master would the low pressure area be located?
This is not a suitable method to use with a Hurricane.
On the left side
On the right side
Straight ahead
Which of these statements is correct?
Under the Hague and Hague-Visby rules a shipowner must exercise due diligence to make the vessel seaworthy
Under the Hague rules there is an obligation to make the vessel seaworthy
A vessel may be seaworthy even though she may not be cargo worthy
On liner routes cargoes must always be lashed in a standard manner irrespective of season
How is the pressure in the cargo containment system of a conventional LNG carrier controlled during normal operation?
By using the boil-off gas as fuel for the ships propulsion plant.
The gas vapour is evacuated to the atmosphere via the vent-line.
By varying the MARVS.
The gas vapour is taken from the vapour header and passed through the demister and into the LD Compressor and evacuated to the atmosphere via the vent mast.
Maintenance is to be carried out on a diesel engine. How long after stopping the engine should the cooling water and lubricating oil be kept circulating in order to avoid any undue thermal stress from residual heat?
10 minutes is sufficient.
At least 8 hours
At least one hour.
At least 24 hours.
What term is applied to the arrangement by which liquid chemicals are stowed on board, so that potentially reactive chemicals are not placed in adjacent compartments?
Segregation.
Diversification.
Pre-stowage.
Separation.
After communication plugs are connected, the ESD is tested from?
No testing required.
Shore.
Ship and shore.
Ship.
When people jump into the water from a ship, what should they do?
Keep their arms down at their sides.
Grab the lifejacket near the shoulder.
Take off their lifejackets.
Take off their shoes.
How can you arrange for safe movement of passengers on ro-ro decks?
Passengers should stay in their cars until loading is completed. They should keep to walkways when leaving the car.
Passengers are responsible for their own safety while moving about ro-ro decks.
It is easy, only drivers are allowed to stay in the car during loading and unloading.
Passengers should be warned of vehicle movements when entering or crossing car or vehicle decks. They should preferably keep to walkways while moving about the ship.
Which one of the following liquefied gas cargoes is considered as presenting a toxic hazard according to the IMO Gas Codes?
Butane.
Ethylene.
Propane.
Ammonia.
Which of the function shown is this operational amplifier circuit performing?
Differentiator
Inverting amplifier
Integrator
Non-inverting amplifier
What is the main effect on lubricating oil of operating for long periods at excessively high temperature?
It will change the flashpoint of the oil.
It will cause the oil to oxidise, reducing the viscosity.
It will cause the oil to oxidise, increasing the viscosity.
It will cause the oil to evaporate, increasing consumption.
Which one of the listed requirements for passenger ships regarding personal life-saving appliances do not correspond to present regulations?
The 5% extra lifejackets carried on board have to be stowed in conspicuous places on deck or at the muster stations?
Ro-ro passenger ships shall carry at least 2 lifebuoys provided with self-igniting lights an self-activating smoke signals
All lifejackets shall be fitted with reflex, a whistle and a light
All lifejackets shall be fitted with a whistle, a light and a smoke signal
What is understood by the term "Dew point" of the air?
The temperature at which condensation in the air forms into water droplets.
The temperature of the water vapour in a cloud.
The "Dew Point" is the point at the centre of an Anticyclone
All of the suggested answers
The reliquefaction plant for cargo cooling of liquefied gas cargoes can operate on either a direct or indirect cycle. On which liquefied gas cargoes must indirect cycle cargo cooling plant be used according to the IMO Gas Codes?
All liquefied cargoes in north European waters during winter time
Cargoes such as butadiene and vinyl chloride which need two stage cycle with intercooling.
Cargoes such as chlorine, ethylene oxide and propylene oxide for which the vapours cannot be compressed due to temperature restrictions.
LPG cargoes being carried in north European waters during winter time
What is the purpose of introducing inert gas into cargo tanks?
To create a non-explosive atmosphere in the tank.
To reduce the static electricity potential in the tank.
To prevent evaporation of cargo.
To make the tank safe for entry.
What letter is represented by this flag and what is it's meaning when displayed by a vessel in port?
P - All persons should report on board as the vessel is about to proceed to sea.
P - I require a pilot.
W - All persons should report on board as the vessel is about to proceed to sea.
S - I am operating astern propulsion.
In what circumstances can a ships loading computer be used with confidence on a container vessel.
When the computer has been manufactured by a reputable supplier.
When a new computer with a large RAM has been received.
When the loading computer has been approved by Class.
When the computer has been supplied by the company IT department.
What is the Maximum Securing Load (MSL) for a wire rope lashing connected to an eye plate by means of a shackle?
The MSL of the shackle and eye plate
The MSL of the wire rope and shackle
The Minimum Securing Load of either the wire rope or shackle or eye plate
The MSL of the wire rope and eye plate
On the figure 4 possible definitions of the term "BRIDGE" are given. Which one is the correct one?
Bridge is given by B on the figure
Bridge is given by C on the figure
Bridge is given by D on the figure
Bridge is given by A on the figure
When a crew member maintains a good standard of individual cleanliness and avoids contact with sources of contamination, which of the following is he said to observing?
Regular washing.
Risk assessment.
Personal hygiene.
Ablution.
If the general alarm is sounding and evacuation of the ship is required. What is the best way to ensure that all passengers are aware of the situation?
Crew with designated emergency duties should proceed to the muster station to count all passengers in his section. If somebody is missing, report to their superior.
Use Public Address system to inform the passengers. Inform all passengers to report to designated area for head count.
Inform the passengers through Public Address system. Crew with designated emergency duties should proceed to their cabin section and search all cabins. Guide and evacuate passengers. If the area is inaccessible report to their superior or the bridge.
Alarm signal and Public Address system will be effectively, including head count at muster point.
Which item among those below is included in the normal equipment of every lifeboat ?
two buoyant rescue quoits with buoyant line
one immersion suit for each person
sea-charts and navigating equipment
a VHF transceiver
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.