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Online testing: Test online CES 5.1 for Ch-Eng / 2nd-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 lifeboat equipment correspond to present regulations? The normal equipment of every lifeboat shall include:
Helicopter rescue equipment
Sea charts and navigation equipment
A survival manual
Oil pollution equipment
Which one of the listed requirements regarding the launching and recovery arrangements for rescue boats corresponds to present SOLAS regulations?
Launching shall be possible at the ship's headway speed up to 5 knots in heavy weather.
The release mechanism shall be of an automatic type approved by the flag state Administration.
Embarkation and launching arrangement shall be such that the rescue boat can be boarded and launched in less than 5 minutes.
Rapid recovery shall be possible with the boat's full complement of persons and equipment.
Which of the following parameters does an explosimeter measure?
The TLV-TWA in the ambient air
The percentage of the L.E.L. in the ambient air
The TLV-STEL in the ambient air
The percentage of flammable fumes in the ambient air
A self contained Breathing Apparatus should contain at least 1200 litres of air. How long should this last a normal person who is not carrying out hard work?
30 minutes
15 minutes
60 minutes
45 minutes
*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 6 hour of operation
To allow at least 3 hours of operation
To allow at least half an hour of operation
Whilst in the engine room you hear the CO2 release alarm, what action, if any, should you take?
Leave the engine room as quickly as possible, closing all doors behind you
Proceed to the engine control room and call the bridge for further instructions
Take no action as it is probably someone testing the system, as the fire alarm has not been sounded and the engine room is not on fire
As CO2 cannot kill you, secure your present work, then quietly proceed out of the engine room
Which of the following prevention actions offers the guarantee of an efficient intervention in an emergency
Planning of the emergency
Training of the crew
All answers are goods
The installation of protective measures
If you are alone and you see smoke coming from a closed cabin door. What should you do first?
As most people are sleeping, call a friend and ask him to assist in putting out the fire
Get the nearest fire extinguisher and then open the door to see what the situation is
Take a look inside the cabin to see what the situation is
Activate the nearest fire alarm button and advise bridge of the location of the fire
You wish to send a message via an Inmarsat-C installation to an Inmarsat-A telex installation. The message is composed in ‘ASCII’. The message can be sent:
as a telex
can not be sent
as a fax
Don't know
If a ship in the MF-band wants to have a DSC-connection with a coast-station (no ‘distress alert’ or a test alert) the following frequencies are chosen:
TX: 2177.0 kHzRX: 2189.5 kHz
Don't know
TX: 2177.0 kHzRX: 2177.0 kHz
TX: 2189.5 kHzRX: 2177.0 kHz
When cleaning cargo tanks with portable machines, how is the machine grounded?
The water jets impinging on the vessel-s structure form a pathway to ground.
Bonding wires are secured from the machine to a convenient location on deck.
The water supply hoses contain internal wires that act as conductors
The machines must maintain physical contact with the deck at the Butterworth opening.
What is a passenger ship according to SOLAS regulations?
A purpose-built passenger ship carrying persons only on defined lines or routes
A ship which carries more than 12 passengers
A ship which is arranged and fitted for carriage of persons which are not members of the ship's crew
A ship which carries passengers only
You are taking fuel on your vessel in the US when you notice oil on the water around your vessel. You are to stop taking fuel and:
Leave the area
Notify the US Coast Guard
Notify the Corps of Engineers
Begin clean up operations
Who is responsible for the vessel's radio station and mandatory radio routines?
The master.
Statutory authorities.
The owners.
The radio officer.
For which ships is the load line convention applicable?
For vessels in ballast condition.
For deep draft vessels.
For vessels in foreign trade.
For all vessels.
In US waters "Oil Pollution Act of 1990" was activated in August 1993. What is the main issue for the introduction of the act?
To prevent oil spills in US waters?
To enforce owners to use equipment of higher standards that those of today?
To encourage owners to build double hull vessels for trading US waters?
To improve safety measures onboard?
What is the first sign and symptom of a Cardiac Infarction?
Skin may be red and loss of movements in the right arm may occur.
Possible frothing at the mouth.
Strong and painful pulse.
Sudden crushing, vice-like pain in the centre of the chest.
If you use chemicals for cleaning up an oil-spill on the water, what would the chemicals do?
Absorb the oil for easy removal
Remove the oil from the water
Contain the oil within a small area
Disperse or dissolve the oil into the water
What is the flash point of a Class 3.2 substance?
Lower than 0?C
Lower than 23°C
Lower than or equal to 61?C
Lower than -18?C
A vessel where the engineering personnel are in charge of the whole technical installation is due for a voyage to a cold climate area. What special precautions should be implemented with regard to fire line/pumps and use of same?
Instruct the personnel in routines to prepare the fire line system, e.g. closing all branches and the consequences of not draining the system after use.
All the mentioned alternatives
Drain all fire lines in areas that may be exposed to freezing temperature
Implement special routines for starting fire pumps (e.g. local start/stop operation) to prevent the pumps from being started by mistake, resulting in filling up the system unnecessarily
When a ship is steaming along a course line, what is the importance of determining the set and rate of drift due to wind and current?
All of the suggested answers
To appreciate the possible extent of drift and dangers in the event of engine failure
To determine the time required to reach the next alteration of course point.
To determine the correction required to the course steered to maintain the planned passage.
Which IMO convention takes care of the human safety at sea ?
he SOLAS convention
the MARPOL convention
the STCW 78/95
there isn-t any conventions that take care of the human safety at sea
A person wearing an anti-exposure suit shall be able to:
don and remove the suit in the water in no more than 5min. if it impairs ability to swim
dive into the water to the maximum draft of craft that the ship is provided with
jump from a height equal to that of the stowage of liferafts arranged to be thrown overboard
jump from a height of not less than 4.5m into the water without damaging the suit or being injured
Which item among those below is included in the normal equipment of every lifeboat ?
sea-charts and navigating equipment
one life-jacket for each person
an EPIRB
a buoyant bailer and two buckets
Which one of the listed requirements regarding equipment for inflatable liferafts do not correspond to present regulations? The inflatable liferaft shall be fitted with:
one repair outfit for repairing punctures in buoyancy compartments
a buoyant lifeline bucketed around the outside of the liferaft
one topping-up pump or bellows
a manually controlled lamp inside the raft
*What is the meaning of this symbol ?
Lower liferaft to water
Release gripes
Lower rescue boat to water
Lower lifeboat to water
What is the meaning of this symbol ?
Child's lifejacket
Lifebuoy
Immersion suit
Lifejacket
*On-board training in the use of davit-launched liferafts (including inflation and lowering whenever practicable) must take place
every month
every 2 months
every 3 months
every 4 months
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. Which of following detailed explanations of crew duties in relation to emergency situations shall be contained therein?
The use of oars and sails for survival crafts
The method of revival of casualties by MTM-method (mouth-to-mouth)
Boarding, launching and clearing of survival crafts (lifeboat/liferafts) and rescue boats
Correct donning of fire protective clothing
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.
What is the main advantage of having a central cooling system fitted on board ship?
It should require less maintenance than a conventional system using only sea water.
It does not require any seawater.
It is a simple system with minimum control requirements.
Only one heat exchanger is needed for all cooling duties.
What will a cadet find in the maintenance manual?
A Cadet will find a lubricating chart in the maintenance manual
A Cadet will find grease nipples in the maintenance manual
A Cadet will find machinery spare parts in the maintenance manual
A Cadet will find grease in the maintenance manual
LPG and other liquefied gases are often transported by sea on fully refrigerated gas carriers. What is the generally accepted definition of a fully refrigerated gas carrier?
Any gas carrier designed to carry liquefied gases and is fitted with a cooling plant.
A gas carrier, fitted with a reliquefaction plant, and designed to carry liquefied gases at the boiling temperature and at pressures slightly above atmospheric.
A gas carrier designed to load and carry liquefied gases at boiling temperature and at pressures slightly above atmospheric. No cooling plant is necessary as the cargo is loaded fully refrigerated.
Any gas carrier designed to carry pre-cooled liquefied gases in thermally insulated cargo tanks.
What is the purpose of a "part flow display system" installed on some oil tankers ?
The Part Flow System makes it possible to observe the discharge visually for oil content, even in darkness
The Part Flow System makes it possible to discharge dirty ballast below the water line on older tankers
The Part Flow System makes it possible to measure the oil content, even if the Oil Discharge Monitoring Equipment is not working
The Part Flow System makes it possible to observe the discharge visually for oil content, on older tankers with discharge below the waterline
How can you monitor the liquid level in the vapour line?
By use of a float switch or differential pressure in the liquid receiver
By monitoring the atmosphere in the vapour line with a fixed gas detector
There isn't any possibilities to monitor liquid in the vapour line
By monitoring the temperature in the vapour line on the compressors suction side
Some of the valves in the system are marked ESD. What does this mean?
Emergency safety drop.
Estimated shut down.
Emergency shut down.
Estimated safety drop.
What is the usual validity of 2T SWL lashing belts?
10 years
2 years
8 years
6 years
Why is it important for hatch coaming compression bars to be maintained in good order?
So that hatch covers remain water tight
So that water can drain out from the hatch coaming drains
So that there is no steel contact between the hatch covers and hatch coaming
So that hatches can be properly sealed
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
What are the people probably doing in the picture?
The people are fighting a fire
The people are playing with water
The people are hosing down the cargo hold to clean it.
The people are pressure testing the hull plating
It is required that a crewman enters a refrigerated compartment containing produce at minus 60 degrees Celsius. Which of the items of personal protective equipment given in the options is the most important for the crewman to wear?
A hard hat.
Thermal underwear.
Insulated gloves.
Insulated overalls
Cargo holds on a bulk carrier are washed after discharge, but cargo residues are often found on the tank top when hatches are opened at the load port. What could be the likely cause?
Holds were not inspected thoroughly after cleaning
Due to failure of the bilge eductors
Because of cargo residues falling down due to ship's vibrations during the ballast passage
Because of poor drainage into the bilges
Hydrocarbons belongs to a chemical group named:?
Carbohydrates.
Organic substances.
Alkanes
Alkenes
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
Vegetable and animal oils undergo decomposition over time, generating obnoxious and toxic vapours and depleting the oxygen in the tank. What name is given to this process?
Polymerisation.
Putrefaction.
Monoxidation.
Disintegration.
A tank containing hydrocarbon residues requires manual cleaning by use of shovels, scrapers etc. Should you:
Open the tank, provide ventilation and commence work immediately.
Open the tank and provide lighting, have someone standing by outside the tank and commence working.
Open the tank, provide adequate ventilation/lighting, test oxygen content, have someone standing by with rescue equipment, complete a tank entry permit then commence work.
Open the tank, provide adequate ventilation and lighting, commence work and have someone standing by outside the tank.
On the figure 4 possible definitions of the term "CENTRE LINE" are given. Which one is the correct one?
Centre line is given by D on the figure
Centre line is given by B on the figure
Centre line is given by A on the figure
Centre line is given by C on the figure
You are going to inspect a fresh water tank together with one of the Engineers. Is it safe enough to open the manhole and enter the tank (it is only fresh water) or do you have to take extra precautions before entering?
Use a breathing apparatus if the oxygen level is below 21%
Bring a flashlight and put on safety shoes
Make sure that the tank/ enclosed space is gas free, ventilated and the oxygen content is measured. O2 content shall be 21% before entering the tank/ enclosed space
Remember to have a colleague standing by to assist you if any problems
PT-100 sensors are some times used with 3 or even 4 wires. What is the reason for this?
Because of power-consumption.
Higher mechanically strength of the cable.
For fault indication.
Higher measuring accuracy.
Which is the "FORWARD SPRING", in the figure?
The Forward Spring is indicated by C, in the figure
The Forward Spring is indicated by D, in the figure
The Forward Spring is indicated by A, in the figure
The Forward Spring is indicated by B, in the figure
What is the main purpose of the superheater vent valve on a high pressure steam boiler?
To remove air from the superheater.
To contol the superheater pressure during operation.
To remove water from the superheater.
To ensure a flow of steam through the superheater when raising steam pressure or when the boiler is not on-line.
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.
Which of the suggested navigational systems is a "Hyperbolic" navigational system and has hyperbolae as position lines?
Loran C
Radio Direction Finder
All of the suggested systems
GPS
What is the function of the ESD on a gas carrier?
The function of the ESD is to close loading valves, switch of power to cargo compressors and pumps
The function of the ESD is to start cargo compressors or pumps
The function of the ESD is to close loading valves, switch of power to cargo compressors
The function of the ESD is to switch of power to cargo compressors and pumps
What is the meaning of organic chemistry?
Organic chemistry is substances that contain hydrocarbons and oxygen.
Organic chemistry is substances that do not contain of hydrocarbons.
Organic chemistry is substances that contain hydrocarbons.
Organic chemistry is substances that contain of hydrocarbons, nitrogen and oxygen.
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 do the letters IMDG stand for?
International Monitoring Department (Geopolitics)
Interactive Maritime Dangerous Goods.
International Marine Dangers Group.
International Maritime Dangerous Goods.
What roll amplitude is generally used by classification societies in calculating rolling forces?
24 - 30 degrees
18 - 24 degrees
37 - 42 degrees
30 - 36 degrees
In the formula 0.9LBD (tonnes) for the amount of high density bulk cargo that can safely be loaded in a cargo hold, what is the value of ‘D’?
The summer load draught
The tropical load draught
Maximum depth of the cargo hold
Moulded depth of the cargo hold
This graphical symbol is a logic gate with truth table. Which gate?
NOR
AND
NAND
OR
A High Breaking Capacity fuse found in a Main High Voltage Switchboard will have fault level rating of ?
4000A
400A
40 kA
40A
The range of a transducer is 0-200 bar. The output signal is 4-20 mA. What is the span of the output signal.
20 mA
4 mA
24 mA
16 mA
What can be done to minimize the reduction of GM due to free surface?
Close all watertight doors.
Reduce the number of slack tanks.
Load liquids into only one tank at a time
Load fluids only into tanks with transverse subdivision bulkheads
A large vessel develops a sudden sheer when it stops moving through the water, having been steaming through a shallow water channel for several miles. The sheer may be strong and unexpected and is due to what reason?
The shallow water reduces the effectiveness of the rudder and when the vessel stops any applied rudder will become suddenly more effective.
The vessel stopping shifts the pivot point forward and creates a turning moment and results in the ship swinging towards the bank.
The hydrodynamic interaction effects from the banks of the shallow water channel acts on the stern causing the vessel to sheer strongly
The large volume of water dragged behind the vessel continues to move forward and cause a strong turning moment on the stern of the vessel
Why is the overboard discharge outlet on a chemical tanker located below the waterline?
To prevent damage to the hull paint by any chemicals that might be blown back against the ship's side.
So that personnel on board are protected from hazardous vapours by a layer of seawater.
So that tank cleaning can be carried out without anyone noticing.
To ensure that the cargo residues pumped out during tank washing are thoroughly dissolved and distributed in the ship's wake.
What is the delivery pressure of a centrifugal pump dependent on?
The liquid-s density and delivery head.
The pipe resistance.
The net delivery heads.
The NPSH (Net positive suction head).
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
All heat burns should be
Covered with Gauze or bandage immediately
Applied with soothing lotion as soon as possible
Treated by the doctor only
Cooled as quickly as possible with running cold water for at least 10 minutes
When talking about the properties of an oil cargo, what does "flammable" mean?
When it catches fire, flames may be seen, as well as smoke.
That it does not need an external ignition source to cause it to burn. It will do so by itself.
That it is not capable of burning.
That it is capable of being ignited and of burning.
What stowage factors should be taken into account when planning the loading of cars, in a pure car carrier?
Overhead clearances
The amount of dunnage to be used
Cargo characteristics
Longitudinal and athwartships distances between the cars
On a General Cargo Vessel, what must be ensured when using ship's cargo gear in hot climates?
That the cargo gear register in up to date
That stevedores handle cargo gear in the proper manner
That all cargo gear is appropriately marked
That grease from wire falls does not fall onto cargoes being loaded or discharged
A new joint is needed for a steam condensate drain line. What is the most suitable jointing material to use?
Cork jointing
Cotton reinforced rubber insertion.
Plain fibre jointing
Wire reinforced fibre jointing.
What precaution must be taken when discharging crepe rubber?
There should not be bales outside a sling adhering to bales inside it
Derricks must not be used to discharge this cargo
Bales must not be dragged into the hatch square from the wings
Each bale must be discharged independently
When carrying fishmeal without anti-oxidant which of the following stowage patterns is recommended under the IMDG Code?
The block stow with extensive internal channelling
The double strip stow with extensive athwartships channelling
The block stow with no internal channelling
The compact stow with limited channelling
How would you report containers with dangerous goods lost overboard?
"My vessel has lost containers overboard"
"My vessel has lost containers with dangerous goods of IMDG Class….in position…."
"My vessel has lost containers with dangerous goods of IMDG Class…."
"My vessel has lost containers in position…."
A temperature control system is exhibiting hysteresis. Checks on all of the system components show that they are functioning correctly. Which of the changes/modifications given in the options is most likely to correct this problem?
Fit a valve positioner to the system.
Fit a new temperature sensor with a narrower temperature range.
Increase the pressure of the air supply to the controller.
Slacken off the control valve gland.
On a RoRo vessel, what must be ensured so that vehicles are not damaged on the loading ramp?
The ramp angle must not exceed its safe working limit
The ramp surface must be free of oil
Safety signs must be posted at the ramp
One man must always stand-by the ramp
Different packaging methods are used for the various perishable commodities which are carried by reefer vessels. What type of perishable commodity is usually packed in a cry-o-vac?
Vegetable products
Frozen meat products
Fruit products
Chilled meat products
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.
Avoid overloading the ship
Damaged stability to be increased by use of water ballast
Maintain sufficient intact stability
What is a Jensen Sling used for?
Loading and discharging bales
Loading and discharging steel pipes
Loading and discharging paper reels
Loading and discharging packaged timber
Read the text in the diagram and answer this question: What should be given to prospective seafarers?
Approved training in survival techniques
Passport and visa
Recommendations
Survival and protective clothing
Oil tankers built and delivered after 6th July 1986 must have a double hulled ballast arrangement extending throughout the cargo tank length, or wing ballast tanks that extend throughout the cargo tank length. If it is the latter, what design feature is applied to guard against pollution in the event of the bottom being breached?
The cargo tank levels must be set so that hydrostatic pressure will stop oil outflow.
The pressure vacuum valves must be capable of complete sealing, and the integral strength of the tank such that a total vacuum is capable of being maintained in the breached compartment, thereby preventing outflow of oil.
Steel thickness in the bottom area must be a minimum of 1.36 times that otherwise required by construction regulations to minimise the extent of any breach.
Additional level sensors and alarms must be fitted to give early warning of oil outflow.
U-tube manometers are often used to measure differential pressure. Which of the listed pressures is U-tube manometers mostly used for?
High differential pressures
Low differential pressures
Absolute zero pressure
Cargo pressure
Why should trousers worn in the galley be full length, but loose fitting?
Because ventilation will lessen the chance of cramp in the lower legs.
Because keeping the lower legs uncovered will lessen the chance of heat rash.
To lessen the chance of scalding, if a hot liquid is spilled.
Because it is the style adopted by all marine cooks.
What stability precautions should be taken when loading heavy cargo on a conventional general cargo vessel?
There would be no specific stability problems with a heavy cargo, because the ship would be down to her marks before the spaces were full.
Stow the cargo in the lower hold and keep the Centre of Gravity low and have a large positive GM
Stow some of the cargo in the Tween deck space to raise the Centre of gravity and reduce the effective GM
The lashings should be adequate for the weight of the cargo
What does the image indicate?
The image indicates a passenger ship coming alongside
The image indicates a passenger ship moored port side alongside
The image indicates a passenger ship moored starboard side alongside
The image indicates a passenger ship letting go her mooring lines
During mooring operations; which is the safe position to be in?
Between the "point of break" and the "fairlead".
Behind the point of restraint, but inside the zone.
Outside the colored zone.
Behind the fairlead, but inside the zone.
Under normal conditions, the electric power for services supplied from the emergency switchboard is supplied from:
Emergency batteries
An emergency battery charger.
The main diesel generator or shaft generator.
A compressed air driven generator.
With full load on the main engine, the RPM for the turbocharger is too low. What may cause this?
The diffuser ring is damaged.
The lubricating oil pump is malfunctioning.
Dirty nozzle ring.
Exhaust temperatures on the main engine are too high.
Before you close the main gatevalve at the ships bunkering manifold, you should notify:
The deck officer on duty at the receiving vessel
The bunkeroil company representative
Your engineer at the valve manifold in the engineroom at the receiving vessel
The officer in charge at the barge or the foreman in charge if it is at a shore facility
This online test consists of 90 random questions from CES 5.1 tests on a topic of your choice.