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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
Description
Le test consiste en des questions aléatoires sur un sujet sélectionné.
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Among working conditions listed below which one is required for every propulsion engine of lifeboats?
For a period of at least 72 hours
Propeller permanently driven by the engine
Propeller disengaged and ahead or astern propulsion
Self-starting and launch procedure simultaneous
The self contained air support system on a totally enclosed lifeboat is designed to provide safe and breathable air with the engine running for a minimum of how many minutes?
10 minutes
5 minutes
30 minutes
20 minutes
*How long does it take for a fixed low expansion foam fire-extinguishing system of an engine room to discharge a 15 cm thick layer of foam on the largest single area over which oil fuel is liable to spread?
Less than 10 min
you cannot find such a system in the engine room
Less than 2 min
Less than 5 min
A pan on the galley stove containing oil catches fire, which of the following should NOT be used on this type of fire?
Cover pan with fire blanket and switch of heat source.
Cover pan with lid and switch of heat source.
Use water extinguisher to put out the fire.
Raise the alarm, close galley door and wait for the fire teams to arrive.
The presence of smoke represents one of the greatest dangers in the fire fighting. Why?
It reduces the visibility, provokes panic, is irritating and may be toxic
It only reduces visibility and is very hot
It hinders communications, causes burns, and provoke panics
It refrains the equipment from setting out the fire, and is irritating
To obtain “time and duration” after a telephone call with number 010-1234567 in the Netherlands, via an Inmarsat-terminal, one should enter after receiving the second dialling tone:
Don't know
3731101234567#
31#
37#
You want to send a DSC-call in connection with a shore telephone-call. You must choose:
routine
safety
Don't know
urgency
The squelch on a mariphone serves:
to suppress background noise in the wheelhouse when transmitting
Don't know
to suppress noise
to increase or decrease the transmission range
wire antenna of 12 metres long is probably:
Don't know
a MF/HF-antenna
a VHS-antenna
an Inmarsad-antenna
The position of a 406 MHz Cospas-Sarsat EPIRB is:
Determined by satellites by means of directional aerials
Passed on by the EPIRB to the satellite
Measured by the “dopler” shift in the signals
Transmitted by the ship
A « MRCC » is :
A coast station
The master of a merchant ship who coordinates on scene search and rescue operations
The master of a SAR unit which coordinates on scene search and rescue operations
A SAR coordinating centre
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?
Reports shall be made if
Safe cargo handling is affected
All answers
Safety of the vessel is affected
Safe navigation is affected
Which country requires a vessel to have a written Waste Management Plan?
U.S.A
All countries in the IMO
The Nordic countries
Holland
Which of the following fire-fighting equipment is the most efficient and has the least side effects in case of a large fire in an engine room?
Powder extinguishing system
Central gas extinguishing system and/or waterfog
Sprinkler system
Central foam extinguishing system
The distress message is used when the vessel is threatened by a serious and imminent danger and is in need of immediate assistance. What is the telegraphy and telephony distress message like?
S O S (Telegraphy) / MAYDAY (Telephony)
X X X (Telegraphy) / PAN-PAN (Telephony)
F F F (Telegraphy) / RESCUE-RESCUE (Telephony)
T T T (Telegraphy) / SECURITE (Telephony)
Two synthetic fibre lines of the same size and material are run out and pretensioned at the berth. However one line (line A) is secured to a shore bollard twice as far as the other line (line B). If a sudden increase in wind now causes an extra load to come on the lines, the extra load will be shared by the lines as follows:
A will take 3/4 of the extra load. B will take 1/4 of the extra load.
A will take 1/3 of the extra load. B will take 2/3 of the extra load.
A will take 1/2 of the extra load. B will take 1/2 of the extra load
A will take 1/4 of the extra load. B will take the 3/4 of the extra load.
Your ship is going full astern and making sternway. Where will the "pivot point" be located? No wind, current.
Somewhere aft of the center of gravity, but it is impossible to pin-point the exact location
At the center of gravity
At 1/6 of the ship-s length off the bow
At 1/6 of the ship-s length from the stern
You are approaching shallow water with an Under Keel Clearance of 15%. What speed should you have when entering, and when should you slow down?
About 6-7 knots, slow down 30 minutes before entering
Reduce to slow or less in due time before entering
About 10 knots, slow down 15 minutes before entering
Maintain normal sea-speed, no need to slow down
What would you say about a ship which is course unstable?
When you apply rudder, it will take time before she answers to it.
When you put rudder amidship, she will continue on a straight course.
It will maintain course no matter how much rudder you apply.
When you apply rudder, she will continue to turn when the rudder is put amidship, and may even increase rate of turn.
When a conventional rudder is put hard over it creates a lift force and a drag force. When the ship has started to turn, how much lift force do you think remains if the rudder-angle is decreased to 20 degrees from hard over position (35 degrees)?
About 80 %.
About 10 %.
About 50 %.
About 30 %.
When ship to ship operations are being carried out at anchor, anchor watch duties are as follows irrespective of which ships anchor is down:
Anchor watch responsibility rests with the offtake vessel.
Anchor watch responsibility rests with the discharging vessel (which, we shall assume, has its anchor down).
Anchor watch responsibility rests with both vessels, each with its own watch.
Anchor watch not kept as duty officer will be on deck.
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.
Sea area A3 is in maritime radio traffic a sea area:
With the exception of the areas A1 and A2 within the range of a geostationary satellite of Inmarsat in which an uninterupted alerting is possible
With the exception of the sea areas A1 and A2, in which a reliable HF connections exist by DSC with one or more coast radio stations
Where communication is not possisble
From about 200 miles from shore a reliable DSC connection exists with one or more coastal stations
The prescribed test of EPIRB, SART and portable VHF radio set must be entered in:
Equipment survey
Radio equipment manual
Maintenance manual
Ship's radio log
VHF channel 17 is used for:
Don't know
Intra-ship traffic
Inter-ship traffic
Port operations/ traffic assistance
To choose the HF-band, the time difference between 2 stations is:
irrelevant
Don't know
is hardly relevant
is important
The mode F1B is used:
Don't know
in public broadcasting
in radiotelex-traffic in the MF/HF bands between ship and shore stations
in telephone-traffic in the MF/HF bands between ship and shore stations
Which of the following is the correct minimum carriage requirement for a ship of more than 300 gross tons and operating in area A2:
1VHF RT + DSC+ DSC watch receiver – 1 or 2 SART – 1 NAVTEX or 1 EGC receiver – 2 or 3 VHF portable – 1 EPIRB – 1 MF RT + DSC+ DSC watch receiver
1VHF RT + DSC+ DSC watch receiver – 1 or 2 SART – 1 NAVTEX or 1 EGC receiver – 1 INMARSAT A,B or C – 1 EPIRB – 1 MF RT + DSC+ DSC watch receiver
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 NAVTEX or 1 EGC receiver – 2 or 3 VHF portable – 1 EPIRB – 1 MF RT + DSC+ DSC watch receiver
An alarm signal consisting of seven short blast followed by one prolonged blast is sounded by the ship's whistle and alarm bells. What are you to do ?
report on the bridge (deck crew) or engine room (engine crew) for further orders
go to (or remain in) your cabin and await further orders
go to your fire station
go to your muster station
Give the meaning of this symbol:
lifebuoy with light and smoke
lifebuoy with light and water dye marker
lifebuoy with light and hand flare
lifebuoy with line and hand flare
*Which of the following duties shall be included in the "muster list" as being assigned to members of the crew ?
preparation of immersion suits for the ship's passengers
operation of the vessel's propulsion system
preparation of manoeuvres intended to ease launching of the survival craft
closing of watertight doors, fire doors, valves, scuppers, side scuttles, skylights and portholes
You just have thrown an inflatable liferaft overboard from your vessel. The liferaft was stowed at a distance of 10 metres above the waterline (light condition). What minimum length of painter will you have to pull out pulled out in order to get the liferaft inflated (N.B.: The inflation of the liferaft takes place once the whole length of painter is pulled out)
10 metres
15 metres
30 metres
20 metres
*Which one among the following information shall be marked on the container of an inflatable liferaft:
the port of registry of the ship to which the liferaft belongs
the name of the ship to which the liferaft belongs
the number of the liferaft
maximum permitted height of stowage above waterline
Which among the following list is particularly required for a totally enclosed lifeboat ?
handrails inside for persons moving to their seats
above water escape for its occupants after automatically positioned in damaged condition
self-bailing arrangements
windows on both sides can be closed watertight and opened for ventilation
How many hand held distress flares are carried in each lifeboat?
6
2
12
4
The rescue quoit of a liferaft is attached to a buoyant line whose length is at least:
5 m
50 m
30 m
10 m
Identify this symbol:
Inertgas installation?
Emergency generator?
Escape gate?
Fire glass door?
Who is the responsible person for the safety of the ship and all those onboard?
The Master
Master, Chief Officer and Chief Engineer
The company
The authorities in each different port the ship calls
Which routine procedures should be carried out before cold work commences?
Sound the general alarm and carry out procedures to instructions for cold work including filling in forms and having them signed.
Have a breathing apparatus standing by
Sound the general alarm
Carry out procedures to instructions for cold work including filling in forms and having them signed.
To accommodate expansion of piping on the deck of a chemical tanker the following are fitted:
Extra strong pipes that can withstand the forces of expansion?
Natural bends at intervals?
Expansion glands?
Flanges on the pipes at frequent intervals?
In respect of washings from the cargo area of an oil tanker, what is the maximum instantaneous rate of oil that can be pumped into the sea when a vessel is outside a special area, proceeding en route, has in operation a monitoring and control system for the discharge of oil and is located more than 50 nautical miles from the nearest land?
0.03 litres per nautical mile.
30 litres per nautical mile.
300 litres per nautical mile.
60 litres per nautical mile.
What measures regarding ship stability should be taken in order to make passenger ships able to withstand critical damage?
Damaged stability to be increased by weight redistribution.
Damaged stability to be increased by use of water ballast
Avoid overloading the ship
Maintain sufficient intact stability
A loaded bulk carrier experiences heavy ice accretion on deck forward, what are the major concerns of the changes in stability?
Excessive trim by the stern
Reduction of speed and additional fuel consumption
Reduction of metacentric height (GM) and loss of freeboard forward
Increase in metacentric height (GM)
What is the most important reason for separating a panicking passenger from the group?
It is easier to calm the person down in private.
You want to protect the panicking person as much as possible.
You don't want other passengers to hear if you have to become very strict with the panicking person.
Panic can spread and affect other passengers.
Why should wet cloths not be used for carrying hot cooking pans?
Because Health and Safety regulations prohibit the use of a wet cloth within 2.5 metres of a galley range.
Because they conduct heat quickly and may cause scalding.
Because a cloud of steam will be generated and the person carrying the pans may find it difficult to see where he is going.
Because the mositure will transfer to the pan and cool the contents.
The inert gas system shall be capable of delivering inert gas to the cargo tanks at a specified percentage in relation to the cargo discharge rate. What is that percentage?
Equal to the cargo discharge capacity.
At least 135% of the maximum discharge capacity.
At least 150% of the maximum discharge capacity.
At least 125% of the maximum discharge capacity.
A slow speed diesel engine is fitted with a slow turning facility. How would the slow turning normally be set to operate?
It should be manually operated before the normal start sequence following an engine stopped period of more than 10 minutes.
It should automatically operate before the normal start sequence following an engine stopped period of more than 20 to 30 minutes when manoeuvring.
It should automatically operate before every normal start sequence.
It should automatically operate every 20 minutes when the engine is stopped during manoeuvring.
What are cargo residues considered as under MARPOL 73/78?
Marine Pollutants
Oily mixtures
Garbage
Wastes
What is an effective means of measuring total dissolved solids in boiler water?
Not possible to test solids in boiler water.
Alkalinity test.
Chloride test.
Conductivity test.
What pressure is present in the crankcase of a vapour compression refrigeration compressor?
The same as the discharge pressure.
The same as the atmospheric pressure.
The same as the lubricating oil pressure.
The same as the suction pressure.
When a large motor load suddenly is disconnected from the switchboard and the generator is AVR controlled, what will the ouutput voltage do ?
Remain approximately constant, due to governor action.
Initially rise, then reset to the set value.
Remain approximately constant, due to AVR action.
Initially fall, then reset to the set value.
You have to choose one of the following instruments for measuring pressure in an air bottle in measuring range 0 - 35 BAR. Which instrument would you install?
U-type H2O manometer
U-type Hg manometer
Bellow type manometer
Bourdon Tube manometer
Which of the following ship motions complements the natural springing tendency of Ro-Ro cargoes?
Heaving
Yawing
Surging
Roling
Who is responsible for maintaining the vessel's structural strenght?
The Shipping Company and the Classification Society
The Shipyard
The Master
The Flag State Administration
Two identical medium speed engines are connected through clutches and a reduction gearbox to a single controllable pitch propeller. It is noted during normal operation that the load sharing between the engines is uneven with one engine taking a greater proportion of the load as the total load increases even though they are equally loaded at low load. Select from the options given the most likely cause of this problem.
One of the engines is running faster than the other at high loads.
The fuel filters in the supply line for one of the engines are blocked
The governor droop settings are incorrectly set and are not matched.
The clutch on one engine is slipping.
Frostbite is one of the main hazards that personnel must be aware of when working on liquefied gas carriers. Which of the given options is the recommended first aid treatment for a person with frostbite injuries to the hand?
Rub victim's hands vigorously to warm them up quickly.
Place victim's hands in hot water to warm them up quickly.
Place victim's hands on the surface of a heater to warm them up.
Place victim's hands in a bowl of lukewarm water to gradually warm them up.
Mention three ways of adjusting a centrifugal pump’s delivery capacity.
Throttling the delivery valve, throttling the suction valve, reduce the steam consumption.
Only throttling the suction valve.
Throttling the delivery valve, adjust the RPM, by-pass.
Throttling the suction valve, reduce the steam consumption, by-pass.
What temperature defines "hot" water in the context of tank washing on a chemical tanker?
A minimum of 10 degrees Celsius above the discharge temperature of the cargo.
At least 40 degrees Celsius.
At least 60 degrees Celsius.
At least 70 degrees Celsius.
What is the minimum value of the GM under the international Load Line Rules?
0,25 m.
2,0 m.
1,5 m.
0,15 m.
As ships get older which hatch covers need special attention when battening down for sea passage?
The aftermost hatch covers
The midships hatch covers
The foremost hatch covers
Hatch covers abaft the accommodation
In a circuit diagram of a simple hydraulic circuit, which of the alternatives does the following symbol indicate?
Directional control valve.
Throttle valve.
Pressure relief valve.
Double check valve.
What is the purpose of fixed stacking cones?
To prevent the horizontal movement of 20’containers at tank top level
To prevent the horizontal movement of 40’containers at tank top level
To lock 20’containers in 40’ cell guides
To prevent movement of 20’and 40’ containers at deck level
When loading steel coils, which is the ‘locking coil’?
The first coil loaded
The final coil loaded at the centre of the stow in second, third and fourth tiers
The final coil loaded
Any coil at the extremity of the stow
What should a duty crew member do if he observes stevedores smoking in ‘no smoking’ areas?
Immediately inform the stevedore foreman and duty officer
Immediately inform the chief officer
Immediately inform the master
Wait to inform the relieving duty crew member
A reefer vessel is loading a cargo of fruit alongside in a South African port. During loading another vessel arrives at an adjacent berth to have its cargo discharged after having been towed in following a fire onboard which had resulted in abandonment. What should concern the Master of the reefer vessel most about the situation?
That the cargo may be contaminated by the smell of smoke and the products of combustion from the damaged vessel.
The damaged vessel is unmanned and may not be cared for properly.
The speed of cargo operations may be hindered due to the discharge of cargo from the damaged vessel.
The cargo being discharged from the damaged vessel may be in poor condition and may contaminate the loading vessel's cargo.
Why is it important to have an efficient fire patrol system on board passenger ships?
To ensure that an outbreak of fire may be prompltly detected
To control that passengers adhere to smoking regulations on board
To verify that the automatic fire-detection system is working properly
To show passengers in public areas we are on duty 24 hrs
What could be the reason for the magnetic compass to swing through large angles when the ship is rolling in a seaway?
The error due to deviation is large for that ships heading
The heeling error magnets are upside down and/or not in the correct position.
The Coefficient B determined by the Compass Corrector at the last dry-dock was not correctly calculated.
The induced magnetism from the earth's magnetic field is very strong in that area
What is the approximately efficiency of the ejector?
The ejector's efficiency is between 60% and 70%.
The ejector's efficiency is between 30% and 40%.
The ejector's efficiency is between 70% and 80%.
The ejector's efficiency is between 20% and 30%.
What makes cargo holds weather tight?
The hatch coaming compression bar
Firm contact between the hatch cover rubber seals and the hatch coaming compression bar
Steel-to-steel contact between hatch covers and coaming
Hatch cover rubber packing
What is an analogue signal?
A measure of voltage using an oscilloscope.
A stable electric signal.
A continually variable electric signal.
A measure of electric current.
What will happen when the ship arrives in Rotterdam?
The anchor will be tested when the ship arrives in Rotterdam
The ship will receive fuel and diesel oil bunkers when it arrives in Rotterdam
The navigation lights will be tested when the ship arrives in Rotterdam
The main engine will be tested when the ship arrives in Rotterdam
Why are zinc anodes sometimes fitted to heat exchangers in seawater cooling systems?
To prevent fouling of the system.
To prevent scale formation in the system.
To prevent marine growth in the system.
To prevent corrosion of the metals used in the system.
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.
With reference to diesel engine ancillary system operation, which one of the given statements is true?
The normal jacket water temperature before the jacket water cooler is approximately 80 to 90 C.
The normal temperature of the lubricating oil before the lub oil cooler is approximately 80 to 90 C.
The normal scavenge air temperature after the charge air cooler is approximately 80 to 90 C.
The normal temperature of heavy fuel oil after the fuel oil heater is approximately 80 to 90 C.
Which electronic component or system of components is this graphical symbol illustrating ?
Battery charger
Auto transformer
Inverter
Low pass filter
In an emergency, passengers are most likely to be familiar with the ship's layout and be able to find escape routes, if they are:
First-time travelers on an overnight ferry trip, and they are in their cabins at the time of the emergency
Frequent travelers on a 3-hour domestic ferry trip, and they are in the passenger lounge at the time of the emergency
On an 8-day cruise, and they are in their cabins when the emergency occurs on the sixth day of the cruise
On an 8-day cruise, and they are in their cabins when the emergency occurs on the first day of the cruise
What is the purpose of a draught survey on a bulk carrier?
To calculate the vessels lightship displacement
To calculate the vessels constant
To calculate shear forces at the bulkheads
To calculate the quantity of bulk cargo loaded or discharged
Which Security Levels requires the highest security alert?
Security Level 2
Security Level 1
Security Level 3
.
Where should grease be applied to a twistlock?
Over the entire outer surface
Under the handle
Between the twistlock cone and associated housing
At the base of the twistlock cone
What is the letter ‘P’ under the IMDG Code?
Pollutant
Marine Pollutant
Severe Marine Pollutant
Packaging
What is the minimum length of rubber insert when replacing a damaged section of the hatch cover seal?
250 mm
200 mm
275 mm
500 mm
During a walk around of a stow of refrigerated containers, one of the containers is noted to be quiet and has a red light showing on the control panel. Select, from the options given, the most likely cause of this condition.
The red light indicates that there is power to the container.
The red light indicates that an air change is in progress.
The red light indicates that there is a fault with the container's refrigeration unit.
The red light indicates that there is no power to the container.
Some new maintenance routines are being planned and a risk assessment is necessary so that the required procedures can be entered into the ship's Safety Management manual. Which of the following should be the first step in this risk assessment process?
Identify the safety precautions that may be necessary to prevent injury or harm to personnel carrying out the routines.
Identify who may be harmed or injured in carrying out the maintenance routines.
Identify the hazards that may exist which may affect personnel involved with the maintenance routines.
Identify how much it will cost to implement the necessary precautions to prevent injury to personnel.
What is the best method for ensuring that the cylinder powers of a high speed diesel engine, fitted with a monoblock multi-cylinder fuel pump, are correctly balanced?
Measure the maximum pressure of each cylinder to check that they are equal.
Take a set of indicator cards using a mechanical indicator and calculate the cylinder powers.
Check the exhaust temperatures on each cylinder to see if they are equal.
Have the fuel pump phased and calibrated in a test workshop.
For what purpose do we have deck water spray on gas carriers?
There isn’t any deck water spray on gas carriers
The purpose of the deck water spray is to cool deck if fire and to be used for washing deck
All ships carrying flammable cargoes must have deck water spray to flush cargo spill overboard and cool cargo area if fire
The purpose of the deck water spray is to flush cargo spill overboard
It is necessary, prior to loading a refrigerated cargo on a conventional reefer vessel, to prove that the hold bilges are clear and that the bilge system is functioning correctly. Which of the cargo types given in the options would be expected to produce the most water during a voyage?
A cargo of fruit loaded at field temperature.
A cargo of fruit loaded pre-cooled.
A cargo of hard frozen perishable goods.
A cargo of chilled meat.
Are we allowed to load ammonia on inert gas?
We are not allowed to load ammonia on inert gas except when the inert gas is dry enough
We are not allowed to load ammonia on inert gas
We are allowed to load ammonia on inert gas if the inert gas has dew point less than 0oC
Ammonia can be loaded as long as the cargo tank is liquid free of last cargo
How are cargo holds, below the freeboard decks car carriers, segregated?
By gas-tight doors
By weather-tight doors
By water-tight doors
By air-tight doors
On a Container vessel, under which IMDG Class is fishmeal normally carried when treated with anti-oxidant?
Class 5.1 - Oxidizing substance
Class 4.2 - Flammable solid
Class 9 - Miscellaneous dangerous substances and articles
Class 4.1 - Flammable solid
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.