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Tests en ligne : Test online CES 5.1 for 3rd-Eng/4rd-Eng
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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
What is a polar (liquid)?
A liquid that mixes with water
A liquid that conducts electricity
A liquid that emits flammable vapour
A liquid that doesn't mix with water
*What is the maximum floor area that one smoke detector can cover?
74 m2
45 m.2
37 m2
20 m2
A fire bulkhead of the "C" class must be constructed of:
Non-combustible material
Steel or equivalent material
Low flame spread material
Ignition resistant material
*Which of the following requirements applies to the inert gas system of a tanker?
Inert gas must be delivered at a rate of at least 125% of the maximum rate of discharge capacity of the ship expressed as a volume
All these requirements apply
The oxygen content of the inert gas must not exceed 5%
The oxygen content of the atmosphere of any part of any cargo tank must not exceed 8%
*Which of the following is a characteristic that is required for a "class A" bulkhead or deck ?
it stops the spreading of smoke and flames during one hour
it is made out of at least 75% incombustible materials
it withstands a temperature of 750 ?C for one hour, with no deterioration
it is made out of at least 50% incombustible materials
*What precautions are necessary to prevent soot fires in the exhaust boiler ?
Hose down the smoke side at regular interval
Clean the smoke side regularly with soot blower equipment
Clean the smoke side with chemicals
All the mentioned alternatives
*What quantity of service fuel must be available for a diesel driven emergency pump before it is necessary to use any reserve fuel?
To allow at least 12 hours of operation
To allow at least 3 hours of operation
To allow at least 24 hours of operation
To allow at least 6 hour of operation
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.
What is false regarding the function :” Transmission and reception of signals for locating ”
On area A2 this function is based on the use of SART transponders
On all areas this function is based on the use of S band radars
On area A3 and A4 this function is based on the use of SARSAT COSPAS Epirb
On area A1 this function is based on the use of SART transponders
“RECEIVED MAYDAY” is used in a:
Distress alert
Supplementary receipt on a distress alert
When received a weather report
Receipt of a distress alert
Severe pains in the chest occur when the coronary arteries, which supply blood to the heart, become too narrow for sufficient oxygenated blood to reach the muscles of the heart. Normally these attacks only last a few minutes, and the pain stops if the casualty rests. What kind of medicine to be taken when an Angina Pectoris attack occurs?
Petidin.
Chlorocin Phosphate.
Nitro glycerine tablets.
Nitro hydrogen tablets.
Which of the following requirements to ships stability for normal operation corresponds to present regulations? (NSCL 4/12.2)
Centre of gravity shall be calculated with an accurancy better than 5 percent.
The ship is loaded in such a manner that adequate stability is achieved in all loading condition.
I waters with the danger of icing, loading of deck cargo must be approved by competent authority.
Unless othereays stated in the approved stability calculation, the total weight of the deck cargo shall not exeed 50 metric tons.
Give the meaning of the following symbol
Emergency station
Powder handgun
Locker with protective clothing
Flame detector
Rule 12 of the International Collision Regulations prescribes the action to be taken by a sailing vessel when meeting another sailing vessel. This depends on the direction of the wind relative to each vessel. In the situation shown here, which sailing vessel (A or B) must keep out of the way of the other?
Sailing vessel B must keep out of the way of sailing vessel A.
Sailing vessel A must keep out of the way of sailing vessel B.
The upwind sailing vessel must keep out of the way of the downwind sailing vessel.
Both sailing vessels are required to take avoiding action.
*A lifebuoy must have an inner diameter of:
not less than 400 mm
800 mm
400 mm
not less than 800 mm
Which one of the listed requirements regarding immersion suits do not correspond to present regulations? The immersion suit shall be made of waterproof materials and constructed such that:
it will cover the whole body with the exception of the face
it can be unpacked and donned without assistance within 2 minutes
it will have sufficient built in buoyancy to avoid the use of a lifejacket
it is provided with arrangements to reduce free air in the legs of the suit
Which item among those below is included in the normal equipment of every rescue boat ?
four rocket parachute flares
a first-aid outfit
one daylight signalling mirror with instructions
a survival manual
Every inflatable liferaft , inflatable lifejacket and hydrostatic release units shall be serviced:
Every 24 months.
Every 18 months.
Every 36 months.
Every 12 months.
How much water per person is provided in a liferaft not equipped with a desalting apparatus?
2 litre
1.5 litre
5 litre
3 litre
*Give the meaning of the following symbol
Start engine
Reverse engine
Indicates manual starting direction of the engine
Start air supply
How much water would you allow per person as officer in charge of the lifeboat, following an abandon ship operation?
Nothing for the first 24 hours, then 1/2 litre per day (more in the tropics)
Nothing for the first 48 hours, then 1/4 litre per day (more in the tropics)
1/2 litre immediately, followed by 1/4 litre per day (more in the tropics)
Nothing for the first 24 hours, then 1/4 litre per day (more in the tropics)
When muster to a lifeboat drill, what is the first thing you do when entering the muster station?
Report your presence.
Wait for orders.
Put on your life jacket.
Wait for the order to put on your life jacket.
*At least how often shall rescue boats be launched with their assigned crew and manoeuvred in the water?
Every two weeks
Every week
Every three months
Every six months
*Which of following items shall be included in an abandon ship drill?
summoning of passengers and crew to muster stations with the alarm required
Checking the lifeboat provisions and supplies
Checking passenger's immersion suits
Checking the distress signal rockets and other distress signals
*Which of the following detailed explanations should be mentioned in the Training Manual ?
How to recover survival craft and rescue boats including stowage and securing
How to use surface to air visual signals to be used by survivors
How to use navigational equipment for survival crafts
How to use escape routes and other escape methods
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 oars and sails for survival crafts.
The method and use of on-board communication system.
The method of release from launching appliances.
Correct donning of fire protective clothing.
Your vessel has been in involved in a collision with an other vessel. As Master responsible for the ship and persons on board, what is the first step to take?
Organise someone to assess the extent of damage and the residual stability of the vessel.
Determine is there is any evidence of pollution.
Determine any injuries or deaths of persons on board
Communicate with the other ship.
The "inner bottom" is the :
Compartment between the tank top and shell of the vessel
Tank top
Inner side of the vessel-s shell
Space between two transverse bottom frames
You are in an area of restricted visibility and hear this signal. It is repeated at two minute intervals. What does it indicate?
That there are two more vessels nearby.
That there is another vessel in the vicinity and that she has just altered course to port.
That there is another vessel nearby, that she is underway, but stopped and making no way through the water.
That there is another vessel nearby, but that she is at anchor.
Emergency instructions in appropriate languages shall be posted in passenger cabins. Which information shall as a minimum be included in the emergency instructions?
The method of donning life-jackets, escape routes and alarm signals
Name of cabin attendant
Escape routes and alarm signals
Where to find thermal protective aids
When lashing general cargoes why are short lashings preferred to long ones?
Because long lashings are more prone to vibration
Because they are more easily tightened and held in tension
Because some of the ship’s lashing points may not be designed to hold long lashings
Because the safe working load of lashing materials decrease with length
What would be a correct form of response to the question: What is the weather in your position?
The correct form of response would be: "The weather is fine"
The correct form of response would be: Wind northwesterly, force 5; visibility good; moderate sea and swell
The correct form of response would be: "The weather is satisfactory"
The correct form of response would be: "The weather is bad"
At what calendar interval is a "Special Survey" required?
Every 2 1/2 years.
At 20 years and every five years thereafter.
Annually.
5 years.
Which of the following is the definition of "Segregated Ballast Tanks", as found on oil tankers?
Cargo tanks which each have their own individual pumps, are fitted with independent piping systems and are served by unconnected ventilation arrangements
Tanks which are completely separate from cargo or fuel oil systems, being permanently allocated to the carriage of ballast and fitted with their own pumps and associated piping
Cargo tanks which may be used for ballast, where the lines are not connected to the Oil Discharge Monitoring Equipment
Cargo tanks which may be used for the carriage of ballast
International regulations require that a a minimum pressure of Inert Gas is maintained at all times in slop tanks if slops are retained onboard an oil tanker. Which of the following is that minimum requirement?
10 mm/water gauge.
1000 mm/water gauge.
100 mm/water gauge.
750 mm/water gauge.
The machinery detail plate is missing from a large electric motor and the weight is unknown. As part of a routine maintenance check the motor has to be lifted to access some other equipment. Which of the given options is the correct action that should be taken?
Try and lift it with the engine room crane as it is designed to lift the heaviest components in the engine.
Estimate the weight of the motor and select a chain block and strop with a safe working load of 1.5 times the calculated load.
As it is only a routine maintenance and not a breakdown then postpone the task until full details of the motor can be obtained.
Use the biggest chain blocks and strops available and carry out a trial lift.
Wich type of compressors are used as cargo compressor onboard liquified gas carriers?
One, two and three stage piston compressors.
Piston, screw and centrifugal type compressors.
One, two and three stage screw compressors.
Oil free screw and piston compressors.
On a RoRo vessel, what must be considered when planning the loading of ro-ro cargoes on ramps?
SWL and loading limit of the ramp and Minimum clearances for the operation of ramp doors
The extent of lashings due to the ramp slope
Cargo volumes
To evaluate the condition of a heat exchanger the following measurements should be recorded:
Pressure drop
In and outlet temperatures, and flow rates for both media
In and outlet temperatures for both media
In and outlet temperatures on one media
How often shall drills for the operation of watertight doors, side scuttles, valves and closing mechanism of scuppers, ash-chutes and rubbish chutes take place in passenger ships?
Every month
Weekly
Daily
Every two weeks
What action should be taken if machinery does not function properly?
If machinery does not function properly, its condition should be noted and plans for further action developed together with the Chief Engineer
If machinery does not function properly, the operational parameteres should be verified and the machinery stopped
If machinery does not function properly, it should be serviced immediately
If machinery does not function properly, the Chief Engineer should be consulted
How is the painter released from the lifeboat, once the boat is waterborne and ready to leave?
Cut it with the axe provided
Remove the toggle which will release the painter
The painter will automatically part by the weak link when the boat goes astern to clear the ship
Cut it with the knife contained in the equipment locker
A mixed cargo consisting of cartons of frozen meat and drums of frozen orange juice is being loaded into the same reefer space. From the options given, select the reason that best describes why the drums of orange juice must be handled carefully.
There may be contact damage to the cartons of meat from the steel drums of orange juice.
There is a risk that the meat could taint the orange juice.
There is a risk of spillage from the drums of orange juice which may taint the meat.
There may be contact damage to the steel drums of orange juice from the cartons of meat.
How is stability affected during Parametric Rolling?
By a virtual loss of GM
By development of a negative GM
By rapidly changing waterplane areas
By heaving rolling and pitching
You are loading a cargo of Vinyl Acetate Monomer to several tanks on board. Tank 6 centre is about to finish and the next tank to load is 2 centre. How will you operate the valves to achieve this change-over?
I will close the valves for tank 6 centre when the required ullage is reached and then open the valves for 2 centre.
When the required ullage is reached in tank 6 centre, I will close the manifold valve, then close the tank valves for that tank. I will then open the tank valves for 2 centre and finally open the manifold valve again. (Using the manifold valve to control the flow avoids any pressure-surge in the shore line).
I will open the valves for tank 2 centre and then close those for 6 centre, as the required ullage is reached.
I will stop loading cargo when tank 6 centre reaches its required ullage and close the valves to that tank. I will then open up the valves to tank 2 centre and resume loading cargo.
What does the 1 Engineer want to have done?
He wants the feed water tank inspected
He wants the Fitter to Check the CO 2 equipment
He wants the feed water tank cleaned
He wants the heating coils inspected
Why is an inertgas system required when COW is undertaken?
Safety purpose?
Improved outturn of cargo?
Less bildup of sediment in tanks?
Higher pumping flowrate?
Ro-ro passenger ships shall either carry automatically self-righting liferafts or canopied reversible liferafts. What does it mean that a liferaft is automatically self-righting?
The liferaft will automatically turn back into an upright position when it is fully loaded with people
The liferaft will automatically turn back into an upright position when it is empty of people
It means the same as self-righting lifeboats
One person can manage to turn the liferaft back into an upright position
How often shall the oxygen analyser be calibrated?
On Chief Officers order
At regular intervals
Every time the plant is shut-down
Prior to every plant start-up, following an 8 hour stop
The pumping and piping arrangement for a chemical tanker constructed after 1st January 2007 and carrying substances of categories "X", "Y" or "Z" must ensure that the maximum quantity of residues retained in a cargo tank and its associated piping must not exceed which of the following amounts?
300 litres.
100 litres.
75 litres.
10 litres.
What type of sugar is commonly added to sweeten tea or coffee?
Barley.
Granulated.
Icing.
Caster.
Why is it important that all the system valves are closed after completing bilge or ballast pumping operations?
It isn't important how the valves are left after pumping operations are completed.
To make sure the valves do not seize in the open position.
To keep the pump housing full of fluid.
To avoid accidental intake of water into the engine room in case of valve or pipeline failure.
"Passivation" is a restorative process periodically applied to stainless steel tanks on a chemical tanker. What effect does this process have on the steel surface?
It causes a chemical reaction, which produces a new inert Chromium Oxide layer on the surface of the steel.
It restores and reforms the passive Chromium Hydroxide surface layer.
It restores the surface steel to an even and smooth finish, thereby encouraging drainage during discharge.
It restricts active corrosion on the surface steel.
A bilge strainer is blocking up during bilge pumping operations which is causing delays as the pump frequently loses suction and has to be primed. What action should be taken to remedy the situation?
Remove the strainer plate and drill larger holes in it and replace it in the housing to avoid blockages.
Clean the strainer more frequently and clean out the bilge well at the first opportunity.
Remove the strainer plate from the housing to avoid blockage and loss of suction.
Use a portable pump to avoid blockage of the strainer.
Before commencing loading an oil cargo, the cargo tanks are surveyed. How do we refer to any small amount of liquid, sludge and sediment found in the cargo tanks and assessed for the purposes of including in the calculation of cargo quantity loaded?
ROB (Remaining On Board).
OPB (Observed Preliminary Volume).
TSV (Total Surveyed Volume).
OBQ (On Board Quantity).
What does a low angle of repose indicate with respect to a bulk cargoes?
The cargo is stable in all situations
The cargo Is liable to self-heat
The cargo is more liable to shift than cargo with a high angle of repose
The cargo is unlikely to shift
What would indicate wastage to the main shaft of a ‘D’ ring?
Corrosion around the welded seam to the deck
Corrosion of the welded seam to the deck
Corrosion of its retaining sleeve
Pitting of the ‘D’ ring
When discharging a liquefied gas carrier it is normal to leave a small amount of liquid cargo in the tanks. This is then used to help keep the cargo tanks cold on the ballast voyage. What is the normal term used for this small quantity of cargo that is left in the tanks?
The foot
The toe
The heel
The shoe
What is meant by the term 'hold space' in relation to a liquefied gas carrier?
The space where the ballast tanks are situated.
The space enclosed by the ship's structure in which a cargo containment system is situated
The space between the individual cargo tanks.
The space where the cargo is carried.
What should be done with the data logger printouts after completing the discharge of a refrigerated cargo?
They should be retained onboard for a minimum of 2 years.
They should be handed over to the cargo receiver.
They should be retained onboard indefinitely.
They can be discarded once the discharge is completed.
Which of these statements is correct with regard to the characteristics of cashew nut shell liquid?
It can be stored for prolonged periods without becoming rancid
Its carriage does not present any undue hazards or risks
It is corrosive
It is sweet and odourless
What will increase friction between the deck surface and cargo units?
Placing cargo units as closely as possible to each other
Placing soft boards or other anti-skid material under the cargo
Removing all traces of grease and oil from the decks
Tightening cargo lashings to the fullest extent possible
On a container vessel, when racking forces are imposed on a container, which part is likely to show the greatest deflection.
The base of the container.
The corner posts of the container.
The door end of the container.
The closed end of the container.
Why should one not rely wholly on a loading computer?
Because loading computers do not indicate actual sea going conditions
Because loading computers do not warn of high centres of gravity when high cube containers are carried
Because some instruments do not warn of heavy-over-light containers so long as overall stack weights are within limits
Because loading computers do not indicate the positions of high cube containers
A general cargo is loaded in Brazil on a General Cargo Vessel bound for Europe in winter time; what are the ventilation requirements in the cargo spaces?
Ventilation would not usually be carried out as the vessel is moving from a cold area to a warmer area?
Ventilation would only be carried out just prior to discharge
Ventilation would be occasionally carried out as the vessel is moving from a cold area to a warmer area
Ventilation would normally be required as the vessel is moving from warm to colder areas
Where would you look for a summary of important safety and handling information on a cargo loaded on your ship?
The Material Safety Data Sheet
The Company Cargo Handling Manual
The IBC Code
The Master's Standing Orders
xxz
a
c
b
d
What are the requirements for heat exchangers that are used for heating the cargo during cargo handling operations on an LPG carrier?
The only requirement is that they must be designed and tested to tolerate minus 48 degrees C
They must be designed to withstand temperatures of minus 162 degrees C.
The only requirement is that they must be able to raise the cargo temperature to above 10 degrees C for transfer to shore storage tanks.
They must be designed to withstand the expected operating conditions with respect to pressure and temperature and the materials must be compatible with the cargo.
What type of lubricating oil is generally used for for cylinder lubrication on a large, 2-stroke diesel, main propulsion engine operating on heavy fuel oil?
Mineral based oil with high alkalinity and other additives.
The same oil as the main lubricating oil system
Straight mineral oil.
Synthetic oil.
If drugs are discovered onboard your ship….
Ensure the witness to the discovery signs your incident report.
Write a report a few days after the event and
When a vessel is moving in shallow water it will experience an effect known as "Squat". Which of the following statements most accurately specify the results of squat on the vessel?
There will be a change of draught and a reduction in the speed.
If the speed of the vessel through the water is kept to "Slow Ahead" there will be no effect due to Squat.
There will be an increase in the vessels draught while moving through the water
There will be a reduction of the vessel's underkeel clearance and a possible change of trim.
What may be the cause of black smoke from the funnel?
The fuel oil has not been adequately heated.
Incomplete combustion owing to wrong mixture of air and oil.
The fuel oil is of inferior quality.
An electrically operated turning machine is used during repairs while the engine is running.
What can cause crewmembers to abdicate their safety roles?
Inadequate fire-fighting training
No lifeboat drills for passengers
Lack of leadership
Inadequate fire-fighting provisions
There are two basic types of turbocharging systems: constant pressure and pulse. The main difference between the two is in which of the following?
The arrangement of exhaust piping and exhaust gas receiver.
The casing of the turbocharger.
The arrangement of the scavenging air coolers.
The scavenging valves of the engine.
The International Convention for the Prevention of Pollution from Ships (MARPOL) covers detailed regulations to prevent various sources of ship generated pollution. Annex I - VI deals with regulations for the prevention/ control of pollution from:
All Harmful Substances we have onboard
Proper Pollution Prevention Training
Harmful Substances in Packaged Form, Sewage, Air Pollution, Garbage, Oil and Noxious Liquid Substances in Bulk
Oil, Noxious Liquid Substances in Bulk, Harmful Substances in Packaged Form, Sewage, Garbage and Ballast Water
When cleaning boiler burner nozzles that have just been in service the watch rating notices that the nozzle holes are partially blocked. Which of the methods given in the options is the preferred method to use in order to avoid damaging the nozzle holes?
Poke the holes clear with a welding rod which has been ground down to size.
Knock the nozzle repeatedly on the work bench to try and dislodge the blockage.
Use a standard drill bit in a hand drill to clear the blockage.
Use cleaning wires starting with a small gauge and gradually work up to the full size of the nozzle hole.
What is important to wear for all officers and crew when working on the ro-ro deck during loading and discharging?
Rain coat
Gloves
Goggles and safety shoes
Fluorescent vest/ working clothes
Where would you normally expect to find the air vent cock on a steam boiler?
At the feed water inlet pipe connection.
At the highest point of the steam drum.
At the superheater outlet
On the highest point of the steam range.
Which of these statements is correct?
Cargo residues are not Marine Pollutants under the IMDG Code
Cargo dissolved in bilge water is considered cargo residue
Cargo dissolved in bilge water is not considered cargo residue
Cargo residues are Marine Pollutants under the IMDG Code
Where will you find instructions on how reduce or control an oil spill during bunker operations on a General Cargo vessel?
In the company's safety manual
In the Shipboard Oil Pollution Emergency Plan (SOPEP)
In the oil record book
In SOLAS 74/88
What is the name given to the mixture in which meat or fish can be laid for a few hours to add flavour right through the dish?
Macedoine.
Mignonade.
Marmalade.
Marinade.
What action should be taken by a rating on watch if steam is heard to be escaping from the area of the bottom water header handhole doors? The boiler is a high pressure boiler generating superheated steam.
Use the hand to have a feel around the area to try and locate the exact position of the leak.
Check the area where it is thought the leak may be using a cloth on the end of a broom handle.
Pass the information that there is a leak to the relief at the end of the watch.
Immediately inform the Officer of the Watch.
This amplifier circuit is a common configuration used to amplify the difference in voltage between two input signals; in this case input 1 and 2. What is this amplifier called?
Push-pull amplifier
Differential amplifier
Common emitter amplifier
Darlington connection amplifier
A ship experiences an interaction effect known as "Squat" when moving in shallow water. The amount of Squat is affected by the speed of the vessel through the water. If the speed through the water is HALVED what will be the change in the affect of "Squat"
The squat effect will also be halved.
There will be a significant change in the reduction of underkeel clearance, but the amount varies from ship to ship
There will be very little change to the effects of Squat.
The squat effect will be reduced to a quarter of its original value
On a conventional reefer vessel fitted with wooden hatch boards (gratings) which of the operations given in the options is the most likely to cause the greatest damage to the hatch gratings?
Loading or discharging break bulk fruit in cartons.
Loading or discharging palletised fruit using pallet jacks.
Loading or discharging break bulk (loose) frozen lamb carcasses.
Loading or discharging motor cars.
What would you do if you after starting the separator discovered that the settling tank was full of water
It depends on the installation
Stop the separator and drain the water from the tank
Increase the flow through the separator
Use full separation capacity
What is the main task of the lubrication oil in the engine?
To lubricate the engine.
To lubricate and cool the engine.
To keep the crank case clear and free of deposit.
To transfer heat out of the engine (cooling).
Does liquid turbulence improve the efficiency of a Plate Heat Exchanger?
Turbulence is not possible in a Plate Heat Exchanger?
Makes no difference.
Yes.
No.
During operation: What is one of the most important differences between a centrifugal pump and a piston pump?
A piston pump is always driven by steam.
It is easier to damage a centrifugal pump than a piston pump if they run dry.
A centrifugal pump does not need lubrication.
A centrifugal pump can not go as low as a piston pump in the vacuum area.
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.