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Online testing: Test online CES 5.1 for 3rd-Eng/4rd-Eng
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The test consists of random questions on a selected topic.
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Which one of the listed requirements regarding partially enclosed lifeboats do not correspond to present regulations? The canopy between rigid covers shall be so arranged that:
it has windows to admit sufficient daylight inside the lifeboat with the canopy closed
it is insulated to protect occupants against heat and cold
the occupants can escape in case of capsizing
it can easily be erected by two persons
Give the meaning of the following symbol
Buoy fitted with line throwing appliance
Lifeboat hand flare
Line throwing appliance
Rocket parachute flares
The fire point is
The maximum pressure that will be reached when a given combustible burns into an enclosed space
The minimum temperature at which a combustible gives off vapours that may burn in contact with oxygen in air, and at which combustion persists once the source of ignition has been removed
A process of chemical decomposition by oxidation-reduction at unusually high temperature, in areas with slight ventilation.
The minimum temperature at which a combustible gives off vapours that may burn when they are in contact with oxygen in air, when there is a presence of activation energy; but with no capacity of maintaining combustion.
What is the correct location of portable fire fighting equipment during loading/discharging operations?
On the forecastle and poop deck?
One fire hose and one powder extinguisher forward of the manifold area?
One fire hose forward and aft of the manifold, and portable fire extinguisher near to ships manifold?
Not necessary to locate portable fire fighting equipment near to the manifold?
*For how long does the fixed system of foam guarantee the application of foam on the deck of an oil tanker?
40 minutes in any case
20 minutes if there is inert gas; 30 minutes if there is not
1hour 20 minutes if there is inert gas; 1 hour 30 minutes if there is not
30 minutes in any case
If you discover a fire which is not a very small one, what is the first action you must do?
notify it to the bridge and comment what you have seen
run away from the fire
activate the fire alarm
try to extinguish the fire
Which one of the listed requirements regarding lifebuoys do not correspond to present regulations? (SOLAS III/31)
Every lifebuoy shall, if being fitted with light or smoke signal, have a weight of not less than 4 kilos
Every lifebuoy shall be fitted with a grab line
Every lifebuoy shall have a mass of less than 2.5 kilos
Every lifebuoy shall be constructed of inherently buoyant material or have sufficient air compartment for buoyancy
What is full form of VRP (OPA-90)
Vessel Report Plan
Vessel Response Procurement
Vessel Reporting Procedures
Vessel Response Plan
Any ship of 10.000 tons gross tonnage and above shall be fitted with oily-water separating equipment for the control of machinery space bilges.What kind of equipment is required in this connection?
Sludge separating tank.
Oily-water separating equipment only.
Either Oil fitting equipment , or Oily-water separating equipment , or combination of both.
Oil fitting equipment only.
In celestial navigation the angle measured westward from the first point of aries to the hour circle of the body along the celestial equator is known as:
Greenwich hour angle
Sidereal hour angle
Local sidereal time
Azimuth angle
Which of the four calculations below is the correct set up, if you want to find observed latitude when the sun is on the meridian?
Calculation 2 is correct.
Calculation 4 is correct.
Calculation 3 is correct.
Calculation 1 is correct.
Which of the following duties shall be included in the "muster list" as being assigned to crewmembers in relation to passengers ?
ensuring that every passenger is provided with an immersion suit or a thermal protective aid
clearing the escape routes
controlling the movements of passengers.
ensuring that extra food and water is taken to the survival craft
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
*You are on board a cargo ship. The ship is heavily listing to starboard, making impossible the launching of the survival craft stowed on this side. Lifeboats and liferafts are equally distributed on each side of the vessel. What should be the total number of persons that can be accommodated in the remaining survival craft stowed on the port side ? (*) N is the total number of persons that vessel is permitted to carry.
at least 150 % N (lifeboat capacity: 100 % N; liferaft capacity: 50 % N) (*)
at least 200 % N (lifeboat capacity: 100 % N; liferaft capacity: 100 % N) (*)
at least 100 % N (lifeboat capacity: 50 % N; liferaft capacity: 50 % N) (*)
at least 150 % N (lifeboat capacity: 50 % N; liferaft capacity: 100 % N) (*)
Give the meaning of the following symbol:
child-s lifejacket
muster station for unaccompanied minors (UM)
lifejacket
immersion suit
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
An evacuation-slide must be capable:
of being deployed by one person
of being deployed by two persons
of being deployed by two person or remotely controlled from the bridge
of being deployed by one person or remotely controlled from the bridge
Which item among those below is included in the normal equipment of every liferaft ?
one searchlight which can work continuously for not less than 3 hours
two buoyant paddles
one boat-hook
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
Which one of the listed requirements regarding enclosures of totally enclosed lifeboats do not correspond to present regulation? The enclosures shall be provided with:
windows on both sides which can be closed watertight and opened for ventilation
access hatches capable of being opened and closed from both sides
arrangement for rowing
access hatches which can be closed watertight
*Give the meaning of the following symbol
Fasten immersion suit belt
Fasten seat belts
Secure buoy line to the ship
Secure hatches
Which one of the following items has to be included in an abandon ship drill according to SOLAS regulations?
Launching and recovery of a survival craft.
Checking that life-jackets are correctly donned.
Manoeuvring the lifeboat in the water.
Starting and operating radio life-saving appliances.
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 method of revival of casualties by MTM-method (mouth-to-mouth).
Boarding, launching and clearing of survival crafts (lifeboat/liferafts) and rescue crafts (MOB-boats).
Correct donning of fire protective clothing.
The use of oars and sails for survival crafts.
Feed check valves for main and auxilliary purposes are normally of the double shut off type, as shown in the diagram. What is the main function of the non-return valve?
To allow overhaul of the screw down valve when the non-return valve is shut and the boiler is steaming.
To allow fine tuning of feed water flow to the boiler.
To prevent the steam and water in the boiler from discharging out by the feed line, if a feed line fracture or a joint in the line blows.
To increase the workload for staff when overhauling the boiler.
Which equipment is utilised to control the liquid level in the cargo tanks?
In the cargo tanks we use deep stick to control the liquid level
In the cargo tanks we use sounding tape to control the liquid level
In the cargo tanks we use either float or radar type gauge to control the liquid level
In the cargo tanks we use float type gauge to control the liquid level
What will alarm cargo receivers to the possibility of cargo damage on a Bulk Carrier?
Commencing discharge without presentation of bills) of lading
Disallowing cargo interests on board
Commencing discharge in the absence of a cargo surveyor
The presence of hatch cover sealing tapes
The speed of ship's generator is regulated by the governor. A 10% reduction in generator speed occurs due to a faulty governor. The likely consequence for all motors powered from this generator is to:
Increase motor speed by about 10%
Reduce motor volt drop by about 10%
Increase motor power by about 10%
Reduce motor speed by about 10%
Which of these is not covered in the chain register?
Deck cranes
The engine room gantry crane
Derricks
The gangway winch
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.
On a container vessel, why would it be difficult to extinguish a fire in a container containing chemicals?
Because water, if used, will always cause a chemical fire to flare up
Because containers containing chemicals are always inaccessible
Because heat is often produced due to chemical reactions within the cargo
Because chemical fires always spread instantaneously to other containers
On a Container vessel, what do you call the corners of a container which house the twistlocks?
Corner fittings
Twistlock housing
Twistlock corners
Corner castings
When lowering a RoRo Cargo Side or Stern Ramp what must be ensured ?
The ramp surface must be clean
The ramp must be lowered by the duty officer only
The vessel is securely moored and there is nothing beneath the ramp
What is the two letter signal, to be used by flags, radiotelephony or radiotelegraphy, meaning "Calling All Ships".
AS
CQ
TT
CA
Many large, slow speed diesel engines have direct oil cooling of the piston crowns provided. An automatic slow down and alarm are sometimes fitted to protect against failure of this system. Which parameter is usually used to initiate this slow down?
Low oil pressure in the piston crown cooling space.
Low flow or no flow in the cooling oil return line.
High temperature of the piston crown.
Low pressure in the cooling oil return line.
What is a low location lighting system?
A light system powered by battery or fluorescent signs mounted at deck level indicating the way to the nearest exit
A system displaying the escape route from all cabins by light points in the ceiling, powered by battery
An illumination system for all corridors in cabin areas
An emergency illumination system that illuminates all deck areas to a minimum
Indicate the correct name for the part marked on the sketch:
Liner
Bottom end bearing
Connecting rod
Crosshead
A conventional reefer vessel operating a Controlled Atmosphere (CA) is approaching the port of discharge in Northern Europe. Which is the most suitable action to take from the options given?
Turn off the CA plant just prior to the start of discharge operations.
Continue to apply CA throughout the discharge to maintain the condition of the cargo.
Continue to apply CA until the hatches are opened to maintain the condition of the cargo.
Turn off the CA plant and thoroughly ventilate the cargo spaces under CA with fresh air just prior to arrival.
Where and for what are rubber mats used on board a pure car carrier?
Under the loading ramp flap to prevent jetty damage
On the loading ramp to prevent damaging the ramp surface
Under the loading ramp flap to prevent vehicle damage
Which symptoms would indicate piston blow-by when operating a 4 stroke trunk piston type engine ?
Increased pressure in the air inlet manifold.
Increased pressure in the crankcase and smoke at the crankcase vent.
Smoke and sparks from the scavenge manifold drains..
Increased temperature in the inlet air manifold on the engine.
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
When cargo discharge reaches stripping levels on an oil tanker, it is necessary to reduce the inert gas pressure. Why is this?
To avoid over-capacity in the IG generator.
To avoid locking the cargo pump impeller.
To minimise blowback.
To comply with MARPOL Annex VI.
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.
As part of the routine duties a rating on boiler watch is requested to assist with the daily chemical treatment for the boiler and feed water systems. Where will the rating find the information relating to the hazards associated with the chemicals involved in this task?
The engine room log book.
The Code of Safe Working Practices for Merchant Seamen.
The Chief Engineer's standing orders.
The material safety data sheets supplied with the chemicals.
In the human body, breathing is controlled by
The bronchia
The respiratory centre in the brain
The lungs
Movement of heart
What weakens a turnbuckle?
Pitting
A bent locking nut
A fully extended spindle
Lack of grease
What is a deck lift vehicle?
This is another term for a portable vehicle deck
A portable deck used to raise or lower vehicles
A vehicle used to raise or lower portable decks
A vehicle used to raise or lower decks on which vehicles are stowed
Why is it important to make weekly/routine rounds in the accomodation areas?
To search for any contraband goods hidden on board
To check for alcohol in cabins
It is a requirement as per flag state
To ensure that cabins and common spaces are maintained in a clean, safe and hygienic condition
How will continuous low load operation influence the time between overhauls, tbo, for the cylinder covers and associated valves of a 4-stroke diesel engine?
Reduce the time between overhauls due to increased fouling.
Increase the time between overhauls since fuel injectors work better at low load so combustion will be improved and the maintenance will be reduced.
Increase the time between overhauls since the engine is not working as hard.
No influence at all, the required overhauls are unaffected by operating load.
Why are a greater number of lashings required to secure cargo forward on deck compared with amidships under deck of a General Cargo Vessel?
Because the dynamic stresses on the lashing are much greater
Because the roll period is greater forward
Because heavier cargo is stowed forward
Because the dynamic stresses on the lashing are much less
What is shown on the new ‘Marine Pollutant’ label under the IMDG Code?
The letter 'P'
A dead tree and dead fish
Dead fish and dead sea birds
The letters 'PP'
Measurement of oil cargoes is often achieved with a "UTI" device. What do the letters "UTI" stand for?
Uniform Tank Indicator.
Uncorrected Tank Innage.
Ullage Topping Instrument.
Ullage Temperature Interface.
Which of the given options is the approximate value of the flammable range for Methane measured as a percentage volume in air?
5.3 - 14.0% by volume.
2.6 - 12.4% by volume.
3.5 - 13.0% by volume
1.4 - 10.8% by volume
The pressure delivered by a gear type fuel oil transfer pump suddenly reduces from 5 bar to 4 bar during transfer. From the options given, select the most likely cause of this occurrence.
The oil tank from which the oil is being transferred is empty.
The pump drive has sheared.
The pump gears and casing have become worn.
Part of the pump relief/recirculation valve spring has broken off allowing the valve to open further.
What is the name of the portable walkway or access between ship and shore?
Bulwark
Bridgeway
Accommodation ladder
Gangway
What is meant by being intrinsically safe?
Electric wiring executed by approved manufacture?
Any electrical product, being water resistant?
Explosion proof product having a special wiring system?
Can not produce enough energy to ignite a gas (explode)?
A piston ring set for a trunk piston engine often includes a slotted ring tensioned by an internal spring. What is the purpose of this type of piston ring?
It is an oil control ring.
It is a ring to seal the crankcase from the combustion chamber.
It is the firing ring.
It is the lowest compression ring.
When starting cargo compressors they should be:
Unloaded.
Fully loaded.
Half loaded.
It does not matter.
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
What is the most common method of connecting the manifold of an LNG carrier to the shore terminal pipelines?
By special sections of portable steel pipe.
By permanently fixed metal hard arms.
By composite hoses suspended from a boom with a swinging arm.
By flexible rubber hoses.
What is the maximum design working pressure for an Independent Type A cargo tank as may be used for the cargo containment system of a fully refrigerated LPG/Ammonia carrier?
Atmospheric pressure.
18 bar gauge pressure.
0.7 bar gauge pressure.
2 bar gauge pressure.
When should a crane or derrick sheave be replaced?
When wear down in the groove exceeds 20% of the wire rope diameter
When wear down in the groove exceeds 25% of the wire rope circumference
When wear down in the groove exceeds 25% of the wire rope diameter
When wear down in the groove exceeds 20% of the wire rope circumference
A small electric motor needs to be taken to the bottom plates for fitting to a domestic water pump. It is only just too heavy to be manually carried so is to be lowered using the engine room crane. Which of the options given would be a suitable strop to use for the operation?
Any piece of rope will do as the motor is only just too heavy to carry.
A wire strop which is rated for twice the required load but is out of certification.
Any strop which looks big enough to carry the load.
Any certified strop which has a safe working load greater than the weight of the motor.
The engine is started by compressed air. Which one of the following statements is correct ?
If we have lost the starting air pressure, we can use a pressurized oxygen bottle from the welding equipment for an emergency start of the engine.
A heavily leaking starting air valve can cause an explosion in the starting air pipe system.
The starting air shall always contain some water.
If the engine does not turn when we open for the starting air, we can use the turning bar together with the starting air to get the engine out of a deadlock position.
What is of utmost concern during a loaded passage in winter across the North Atlantic
Parametric Rolling
The added weight of icing on container stacks
Temperature differential between air and seawater, that may affect the shell plating
The presence of icebergs
Why is it so important to shut off the source of fuel before extinguishing the flames on a gas fire?
To prevent forming a potential flammable gas cloud
To minimise the use of fire-fighting media
To prevent chemical reaction with the extinguish agent
To minimise damage to property and environment
What section of the Crew Agreement contains the “Contractual clauses”?
The ship's register
The inside page
ALC 6
ALC 1b
On fully pressurised liquefied gas carriers the cargoes are usually carried at atmospheric temperatures. Is frostbite still a hazard on such vessels if there is leakage from the cargo pipe system?
Yes, but only if cargo vapour contacts the skin.
No frostbite is only a hazard when cargoes are refrigerated.
No, the cargo will vapourise and disperse quickly.
Yes, the liquid will flash off to its' fully refrigerated tempearature.
Very roughly, the gas mixture from Crude Oil can be represented by the pure hydrocarbon gas Propane for analysis and comparison purposes. What then is the approximate Lower Flammable Limit of Crude Oil when measured as a percentage volume in air?
9.5%
0.2%
5%
2.2%
What is the Centre of Floatation of a General cargo Vessel?
The centroid of the ship's waterplane area
The amidships section at any given waterplane
The centroid of the ship's underwater volume
The centroid of the ship's half waterplane area
What is the most important consideration when planning the lashing system for a particular sea route on a General Cargo Vessel?
Encountering heavy weather
Transverse accelerations
The breaking strength of lashing materials
The size and weight of general cargo items to be loaded
Which of the options given is most likely to result in overheating of a ball bearing fitted to a pump shaft?
Running the pump at full capacity.
Partly filling the bearing with grease.
Fitting a sealed bearing that cannot be greased.
Completely filling the bearing with grease.
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
What is very important to monitor when distributing cargo?
Only bending moments
You should always ensure the ship has sufficient stabilty at all times. Cargo shall preferably be distributed evenly to avoid heavy list/ trim
Shear forces and bending moments
Only shear forces
Which of the answers best summarises the information which should be provided for the bridge Officers of the Watch within an effective Voyage plan.
All of the suggested answers
Expected prevailing wind and weather
Contingency arrangements in case of problems
Courses to steer; distance off dangers; parallel index lines; expected currents; prevailing winds; distance between alteration points.
What means of communication shall be provided to each member of the fire patrol?
Telephones in public spaces
Emergency telephones and Public Address system
A two-way portable radio
A mobile telephone
The sign on the image indicates:
This is the location where you should operate pyrotechnic equipment (Buoyant smoke signal, hand flares and rocket parachute flares) In case of an emergency
Location of lifebuoy with self-igniting light and self-activated smoke signal
Location where you should throw lifebuoys in case a man- over-board situation occurs.
Rescue zone
Many gas carriers are designed to carry liquefied petroleum gas (LPG). How is LPG defined in the IMO Gas Codes?
LPG is defined as butane and ethane or a mixture of both.
LPG is defined as propane and butane or a mixture of both.
LPG is defined as propane and ethane or a mixture of both.
LPG is defined as propane and methane or a mixture of both.
On a hold inspection of a Bulk Carrier it is noted that a number of transverse frame beam knees are slightly distorted; what is the significance of this?
The distorted areas should be painted
There are no concerns with this observation
This is an indication of excessive bending moment stress
This indicates the vessel is suffering racking stress and is potentially serious
Which of these definitions is that of a "Marine Pollutant" under the IMDG Code?
Any substance which is deemed hazardous to the marine environment.
A substance which is subject to the provisions of Annex III of MARPOL 73/78, as amended.
A substance which, because of its tendency to degrade in seafood, or because of its hazard potential to the aquatic environment is subject to the provisions of Annex I of MARPOL 73/78, as amended, and carried by sea accordingly.
A substance which is subject to the provisions of Chapter V of SOLAS 1974, as amended.
What do you understand by the expression Slave Controller
The controller is following a pre-set control sequens
The secondary controller in a cascade control system
Feed water controller
The controller is always working hard
According to the IMO Gas Codes, what are the maximum time intervals for sampling and analysing samples from the permanent installed gas detection system?
10 minutes.
45 minutes.
30 minutes.
20 minutes.
What special design feature is attributed to pure car carriers?
A small GM when fully loaded
Bow doors
A stern ramp
A very large windage area
When is it good practice to check the pressure-vacuum valves?
After cargo transfer operations
Prior to cargo transfer
Before the next dry-docking
During cargo transfer operations
Which of the following answers most suitably cover the standard duties of the bridge Officer of the Watch when the ship is at anchorage?
Display the anchor signal, patrol the ship frequently and check the anchor chain for dragging
Display anchor signal, check the ships position and keep a good lookout
Display the anchor signal and ensure the ship swings the same way at each change of tide
Display anchor signals and keep a good lookout of other ships in the area
When patrolling the car deck during a voyage you should observe the following elements:
Check that fire hoses are connected to the fire hydrants
Any abnormalities such as leakages, fumes, smoke or fire. Check if the lashings need to be tightened on lashed cargo.
heck if all the lights are switched off and the doors are closed
Smoke or fire
On a ship installation it is preferable on vertical pumps to have shaft sealing at the pump upper only. For what reason?
All of the mentioned alternatives.
Containment of liquid in the pump over long idle periods.
Adjustment of the seal if possible.
Observance of conditions (i.e. leakage) if mechanically sealed.
What is Hz the abbreviation for?
Frequency in an Alternating Current (AC)
Measure for Resistance
Revolution per minute
Frequency in Direct Current (DC)
P = U x I x Root of 3) x cos (fi) What is the formula for I ?
Formula 1
Formula 4
Formula 3
Formula 2
What will you do if the liquid start raising in the Surge Drum? (Direct cooling / refrigeration system).
Open more on the suction valve.
Immediately reduce on the suction valve, and watch the gauge.
It will never happen.
Stop the compressor.
Quality of the feed water in a steam plant changes during operation. Caused by this, the water is regularly tested. Which of the below statements describes the chemical mechanisms normally occuring?
Generation of sulphur acid causes the water quality to drift towards sweet and rise the pH - number.
Generation of carbonic acid causes the water quality to drift towards sour and lower the pH - number.
Water is becoming sligthly less conductive and does not transfer heat.
All of the mentioned alternatives.
What is the meaning of the term Clarification?
Separation of two insoluble liquids with different densities, and at the same time, removing of solids.
Separation of solid contaminants from a liquid.
Separation in a single system.
Separation of water.
This online test consists of 90 random questions from CES 5.1 tests on a topic of your choice.