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Online-Test: Test online CES 5.1 for 3rd-Eng/4rd-Eng
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Which part of the float-free arrangement for inflatable liferafts is made to free the container of the liferaft from its berth during the ship is sinking?
the lashing strap
the weak link
the hydrostatic release unit
the painter
*What is the factor that makes the difference between a deflagrating and a detonating explosion?
The initial pressure, temperature and moisture content
The material which is at the origin of the explosion (powder or gas)
The speed of the shock wave created by the initial combustion
The confinement of the place where the explosion occurs (inside or outside)
*Which bulkhead is the most efficient to fight against spread of fire?
Class D bulkhead
Class A bulkhead
Class B bulkhead
Class C bulkhead
*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
Halons are decomposed in toxic products when they are applied at temperatures near
500 ?C
350 ?C
1000 ?C
100 ?C
What is the main criterion generally taken into account to classify portable extinguishers:
The extinguishing agent
Their pressurisation system
The way they can be moved
Their capacity of charge
*The temperature control system of the main engine crankshaft bearings indicates high temperature. What would be the correct way to open and check the crankcase?
Stop the engine immediately, stop the lube oil pump, and inspect the crankcase after 5 minutes
Stop the engine and open crankcase down immediately for inspection
Reduce the RPM to a minimum and open the crankcase doors carefully
Stop the engine immediately and keep the lube oil pump running for at least 20 minutes before opening the crankcase
Which one of the listed fire-extinguishing medium is most effective against an open oil fire?
Foam
Water
Powder
Gas
The letter ‘X’ in the answer-back 36572 LIBK X means:
This vessel has more telex-numbers
This concerns a mobile station
The position of the vessel is not known
Don't know
After confirmation that there is no other radio-traffic, we call on a VHF working channel of a coast-station. When you don’t get any reply:
you must wait 3 minutes minimum before repeating your call
you must wait 1 minute minimum before repeating your call
Don't know
you can repeat your call immediately
Which of the connections you are shown, are the dedicated shore connection (MARPOL-connection) for discharging of sewage ?
1
2
4
3
What should be observed concerning a ship's water tight integrity?
That all vessel-s water tight ramps and doors are locked and secured at sea.
All emergency exits doors locked and secured
The aft door locked
The ramp in stowed position
When using a buoy as an aid to navigation, which of the following should always be considered?
That if the light is showing its correct characteristic it is in its right position
The buoy may not be in its charted position
If no radio navigation warnings have been issued concerning the buoy it can be assumed to be in its correct position
The buoy is nearly always well anchored and can be considered to be in its charted position providing there has not been any recent storms in the area
Give the meaning of the following symbol
Wheeled fire extinguisher
None of the above
Portable fire extinguisher
Fire alarm
You are on a power-driven vessel underway in open water. This vessel is sighted on the port bow on a steady bearing. What kind of vessel is it and what will your action be?
This is a sailing vessel not making way through the water. There is no risk of collision and I will maintain my course and speed.
This is a vessel engaged in fishing. It is my responsibility to keep clear under rule 18 and I will alter course to starboard, sounding one short blast.
This is a sailing vessel underway. I am the stand-on vessel and will maintain my course and speed under rule 17.
This is a sailing vessel underway, seen head-on. It is my responsibility to keep clear under rule 18 and I will take appropriate avoiding action.
In accordance with GMDSS rules, the frequency 2187.5 kHz is used for:
On scene communication
Distress traffic
Routine message
Distress alerting
*Which of the following information shall be specified by the muster list ?
the muster list has been prepared and approved by the Administration before the ship proceeds to sea
which officers are assigned to ensure that life-saving and fire-fighting appliances are maintained in good condition
the abandon ship signal consisting of two long blasts
the specific duties assigned to passengers that are in charge of a group of others
The breaking strength of the painter in a liferaft permitted to accommodate 15 persons is at least:
7,5 kN
10 kN
5 kN
2,5 kN
Give the meaning of the following symbol:
survival kit
lifejacket
immersion suit
child's lifejacket
Give the meaning of the following symbol:
child-s lifejacket
muster station for unaccompanied minors (UM)
lifejacket
immersion suit
A lifejacket should be provided with:
A light
A whistle and a light
A whistle
On ships built after February 1992 all lifejackets should be fitted with a light
When fully loaded, a lifeboat should have a sufficient strength to withstand a drop into the water from a height of:
Not less than one third of the distance from the stowage position of the lifeboat to the waterline in the in the lightest seagoing condition
Not less than 0.5 metres
Not less than 3.0 metres
Not less than 1.5 metres
Which one of the listed requirements regarding the stability of inflatable liferafts do not correspond to present regulations? The stability of inflatable liferafts shall be such that:
when floating in the inverted position it can be righted by one person
in the event of capsizing it will automatically attain a position providing an above water escape
it can be towed with full complement at speeds up to 3 knots
it is stable in a seaway when fully inflated and floating with the canopy uppermost
How much water per person is provided in a liferaft equipped with a desalting apparatus?
5 litres
1litre
2.5 litres
15 litres
The Muster List shall show the duties assigned to members of the crew. Which of the following duties shall be included in the "muster list" according to present regulations?
Preparation of immersion suits and thermo protective aids for the ship's passengers.
Preparation of survival craft's Emergency Positions Indicating Radio Beacons.
Closing of watertight doors, fire doors, valves, scuppers, sidescuttles, skylights.
Operation of the vessel's propulsion system.
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.
What is advisable for a person entering a padlocked refrigerated room?
He should never remove any ice or debris as the ice is needed to keep the refrigerated room at the right temperature.
He should take the padlock inside the room.
He should leave the padlock outside on the door for everyone to be seen.
He should ensure that sufficient meathooks are stored in the refrigerated room so that they will be easily found whenever needed in an emergency.
The training manual shall contain instructions and information in easily understood terms and illustrated wherever possible. Which of the following objects do not have to be explained in detail in the manual according to present regulations?
Means of escape - escape routes
Illumination in launching areas
The use of all survival equipment
The use of all detection equipment
What material should boiler suits be made of?
Cotton
Wool
Nylon
Asbestos
The abbreviation "NPSH" is often seen in connection with the efficiency of cargo pumps on oil tankers. What does this abbreviation stand for?
Necessary Pumping Suction Hazard.
Natural Pumping Standard Height.
Nominal Pressure Suction Head.
Net Pressure Suction Head.
What is the correct definition of: - a mooring line?
A line for a block.
A line for the ancher.
A loop in a rope.
A thick rope to tie up the ship.
What is the function of a sacrificial exchangeable wear plate?
It protects hull plating around the bulbous bow
It protects the hull plating around cell guides
It protects twistlocks against wear down beyond a certain limit
It protects hull plating around the stern frame
What will happen with the interface in the bowl, if the flow is too high?
The separation of the oil is bad.
The separation of the oil is good.
Will have no effect on interface.
Broken water seal.
Temperature sensors may be marked PT100. What does this mean?
100 ohm at 0° C
20 ohm at 100° C
100 ohm at 20° C
0ohm at 100° C
A diode may be tested by which method?
Use a Digital Multi- Meter set to measure ohms in forward and reverse directions.
Use an insulation resistance tester (Megger)
Connect to low ohms resistance tester.
Use a Digital Multi-Meter set to check forward voltage and reverse current blocking
Which of the statements given in the options relating to LNG carriers is true?
LNG is normally carried in fully pressurised gas carriers.
LNG is always carried at very low temperature.
The size of an LNG carrier is limited to no greater than 50,000 m3 cargo capacity.
All LNG carriers are fitted with spherical tanks.
What is the purpose of an oil mist detector, OMD, as fitted to a diesel engine?
To detect any potentially explosive atmosphere in the crankcase.
To detect stuffing box leakages.
To detect circulation of the engine lubricating oil.
To avoid hot spots in crankcase.
Choose the option which most accurately completes the following statement. The expansion tank in a closed cooling water system is designed to maintain a positive head on the system and also to……
Provide an air cushion
Reduce the water temperature
Reduce the water turbulence
Allow for changes in water volume due to temperature variation (expansion)
Why is cotton the most suitable material for galley work clothes?
It is odour resistant, loose fitting and does not shrink or discolour when washed reasonably regularly.
It is more easily made into fashionable catering uniforms than synthetic fibres and is cheaper.
It is absorbant, hard-wearing, comfortable and can withstand frequent laundering at high temperatures.
It is effective at masking body odour and containing perspiration.
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.
Select the tool, from the options given, which would be used to produce accurately sized bolt holes in a steel flange?
A reamer.
A hole punch.
A twist drill.
A centre drill.
On a Container vessel, what are the limitations of Cargo Securing Manuals?
They are not always approved by a classification society
They are drafted whilst the ship is still under construction and need to be checked against the ship's 'as completed' condition in order to be fully reliable.
Some Cargo Securing Manuals cover a full range of sister ships
Cargo securing arrangements in the manuals may be unsuitable for heavy weather conditions
What is the typical composition of liquified natural gas, LNG?
Mainly Butane, but with small percentages of heavier hydrocarbons such as ethane, propane, methane and pentane.
Mainly Pentane, but with small percentages of heavier hydrocarbons such as ethane, propane, butane and methane.
Mainly Methane, but with small percentages of heavier hydrocarbons such as ethane, propane, butane and pentane.
Mainly Ethane, but with small percentages of heavier hydrocarbons such as methane, propane, butane and pentane.
Great care must be taken when manually parralling two or more alternators. At which point would you engage the main circuit breaker of the incoming alternator when paralleling two alternators?
With the pointer of the synchroscope stopped at 0 (12 O'clock) or both synchronising lights bright
With the pointer of the synchronizer stopped at any position and both synchronizing lamps bright (on)
With the pointer of the synchronoscope rotating fast and both synchronizing lamps flashing on and off
With the pointer of the synchronoscope moving slowly clockwise and almost at 0° (12 O'clock) or both synchronizing lamps dark (off)
On a Container vessel, what can cause large loads in lashings when containers are secured to a lashing bridge?
The lashing bridge is flexible but the hatch covers are fixed, causing the lashings to go alternately slack and tight
The lashing bridge is fixed but the hatch covers move when the ship rolls and pitches, causing the lashings to go alternately slack and tight
Due to flexibility of the hatch covers
Due to inflexibility of the lashing bridge
Which of the following ship motions complements the natural springing tendency of Ro-Ro cargoes?
Heaving
Yawing
Surging
Roling
A positive temperature coefficient thermistor will typically have
Variable reliability
Inaccurate measurement
Relatively linear characteristic
Relatively non linear characteristic
Too high exhaust temperature in one cylinder becomes because of:
Leakage in the inlet valves.
Poor cylinder condition – blow by –including leaking exhaust valves.
Too low admission on fuel injection pump.
The amount of cylinder lubricating oil feed to the cylinder is too small.
Once a hatch is sealed, what prevents sparks from entering the hold of a Bulk Carrier?
Air pipes
The hatch seals
The ventilator grill
Ventilator trunking
If the general alarm is sounding and evacuation of the ship is required. What is the best way to ensure that all passengers are aware of the situation?
Use Public Address system to inform the passengers. Inform all passengers to report to designated area for head count.
Crew with designated emergency duties should proceed to the muster station to count all passengers in his section. If somebody is missing, report to their superior.
Inform the passengers through Public Address system. Crew with designated emergency duties should proceed to their cabin section and search all cabins. Guide and evacuate passengers. If the area is inaccessible report to their superior or the bridge.
Alarm signal and Public Address system will be effectively, including head count at muster point.
An emergency situation on board must be reported to the company by:
The fastest means available
The Sat-C
The email to save cost
The Telex to have a record
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
From the options, select the best description of the function of a buttress fitting on a container vessel.
To avoid excess load placed on the tank top.
To ensure an even distribution of weight throughout the stack.
To transfer forces from the container stow to the ships structure.
To maintain a uniform level stow across the tier of containers.
Fully pressurised ships are fitted with type "C" tanks. What is the normal design pressure?
Design pressure of about 12 barg
Design pressure of about 2 barg
Design pressure of about 15 barg
Design pressure of about 18 barg.
What must be ensured at the commencement of cargo operations?
That the draught survey has been completed
That all fire dampers are closed
That all fire dampers are open
That CO2 gas lines to each cargo hold are clear
What is the benefit of using prismatic Type "B" tanks?
The benefit of maximising ship hull volumetric and having the entire cargo tank placed beneath the main deck.
The tank is completely self-supported and do not form part of the ship's hull structure.
The hold space can be filled with dry air.
The secondary barrier form part of the ship's hull.
During inspection of the crankshaft of a medium speed diesel engine cracks are discovered at one of the main journal pins. The cracks originate from one of the oil holes and are progressing along the pin at approximately 45 degrees to the axis. From the options given select the most likely failure mode that would cause this.
Torsional fatigue due to excessive torsional vibration in the crankshaft.
Shear due to excessive loading of the crankshaft.
Fatigue due to repeated excessive bending of the crankshaft.
Erosion due to excessive oil flow through the oil hole in the crankshaft pin.
What are the main elements in a damage control plan?
A damage control plan is the same as an emergency plan
Arrangements for correction of list due to flooding within 15 minutes
Boundaries of the watertight compartments for decks and holds. Position of controls for opening and closing of watertight compartments. Arrangement for correction of list due to flooding.
Instructions and procedures for reporting damage to the Company
In a smoke filled alleyway where will the cleanest air be found, and how should you proceed out?
Sit and wait for the rescue party.
It will be the same in all parts, therefore I would just leave as quickly as possible.
Near to the deck, crawl out keeping your face as near to the deck as possible.
Towards the upper part, stand as tall as possible and walk out.
If a recipe requires that a dish be "poached", what does this mean?
Wrapped in foil and baked.
Cooked gently in a simmering liquid.
Lightly pan fried.
Turned frequently under a grill oven.
Car decks on board ro-ro passenger ships are nomally closed during sea passage. Why are passengers not allowed to be on the car-deck during sailing?
Vehicles and other cargo can shift when the ship is rolling. Persons may be trapped between vehicles or cargo.
To prevent burglary and damage to cars
If the car decks are empty, it will be easier for the crew to locate all passengers in case of an emergency
In case of an emergency situation it can be difficult for passengers to escape. Vehicles, lorries, trailers and other cargo are maybe lashed and it is a substantial chance for passengers to get injured. Vehicles and other cargo might also shift when the ship is rolling.
Which one of the following international regulations is normally used when handling dangerous goods?
IMDG code
HB code
KLMNG code
SOLAS code
What distinguishes vapour connections (headers) from liquid cargo connections on a ship's manifold?
Liquid and cargo connections actually appear the same, but the ship's personnel always attach a small board to the applicable flange, identifying the cargo to be loaded and indicating whether it is for the liquid or vapour hose.
Vapour connections are painted yellow with green end bands, are marked with the words "not for liquid" and have a small hole capable of receiving a stud on the flange face at the six o'clock position.
Liquid connections are always marked with the corresponding tank number, while vapour connections are marked with the letter "V".
Vapour connections are painted yellow with red end bands, are marked with the word "vapour" (or "vapor") and have a small stud located on the flange face at the twelve o'clock position.
Chemicals and harmful substances are safely stored in a designated locker on board, why?
For safety reasons and stock control. When chemicals or harmful substances is delivered to a crewmember, the user shall sign for the amount received.
For stock control. Most of the chemicals and harmful substances we use on board are expensive.
Chemicals and harmful substances must be kept away from passengers so that they don't steal it.
For safety reasons. Many substances found onboard are capable of damaging the health and safety of those exposed to them. Before any chemical or harmful substance is delivered to a crewmember, the personnel shall receive training, instructions and information so that they know and understand the risks arising from use.
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
By what means can we monitor and control the integrity of the hull?
Documented operating procedures
The chief officer is responsible for monitoring the integrity of the hull and superstructure at all times
Let experienced personnel close and secure doors and ramps
Automatic detection systems, television surveillance and patrolling of ro-ro cargo spaces
It is common practice to connect a resistor is connected over an alarm contact (see diagram) in many applications. Why is this connection used?
To stabilise power consumption.
To avoid sparks on the contacts when opening and closing.
Enable measuring the total resistance of the circuit.
To monitor the cable/wires for break.
What must be done before dock workers and stevedores are allowed on board a General Cargo vessel?
Number of persons on board noted
Security checks are the responsibility of stevedores
Identification and passes must checked and number of persons on board recorded
Only no smoking rule to be enforced
To prevent inadvertent leaks, bunker manifold not in use should:
Have blank flanges fitted and tightened with some bolts in place
Have blank flanges fitted with gaskets and tightened with all bolts in place
Have blank flanges fitted with gaskets and tightened with some bolts in place
Have blank flanges fitted and tightened with all bolts in place
When a blackout occurs: what should be your first reaction?
Investigate the cause of the blackout
Inform the Chief Engineer
Inform the bridge about the reason for blackout, and expected time to restart.
Cancel audible alarms
A new joint is required for a sea water pipe flange and there are no ready made spares. What is the best method for making a new joint from a sheet of rubber insertion?
Use the old joint as a template to mark out the new joint on the sheet of rubber insertion and cut out the joint with scissors.
Cut a piece of rubber insertion with a hole in the middle roughly to size and fit it between the flanges. Hammer the bolts through to get the bolt holes in the correct position.
Measure the flange diameter, PCD and bore using a ruler and callipers and then use jointing scissors and hole punches to form the new joint.
Cut a piece of rubber insertion from the sheet and use a hammer to knock out the holes for the bolts and the bore against the flange.
As per SOLAS a fast rescue boats shall be capable of:
Manoeuvring for at least 8 hrs at a speed of 10 knots
Manoeuvring for at least 4 hrs at a speed of 20 knots in calm water
Manoeuvring for at least 4 hrs at a speed of 8 knots
Manoeuvring for at least 4 hrs at a speed of 4 knots
What should you know about the emergency stops on deck?
Where they are located and how to operate them.
How to disconnect or over-ride them for routine work.
I do not need to know anything about the emergency stops. It's only the officers who operate them.
Where the re-sets are and how to re-set them.
You enter a high voltage switchroom and smell rotten eggs. What may this indicate?
Problems with a vacuum circuit breaker
Arcing at badly coupled bus bars
Problems with a gas (SF6) circuit breaker
Burning of insulation
What must be ensured prior to receiving iron ore?
Double bottom tank top plating must be tested for leaks
Cargo hold paintwork must be intact
Cargo hold bilge suctions and topside tank drop valves must be satisfactorily tested
Upper frame sections in the cargo holds must be inspected for cracks
Compressed air for instrument and control purposes needs to be of high quality. In order to condition the air filter modules are usually fitted to remove the contaminants. If there is evidence of oil carry over to the final elements in the instrumentation air system what is the most likely cause?
The coalescer module is saturated and requires renewal.
The drier section of the module needs to be regenerated.
The air compressor piston rings need to be renewed.
The particle removal module is choked.
A draw card obtained from a cylinder of a large 2 stroke diesel engine shows that both cylinder compression and maximum pressures are low. Cards from other cylinders indicate normal operation. What is the likely cause of this problem?
Faulty cylinder component (piston rings, liner, etc.)
Excessive cooling of the charge air..
Faulty turbocharger.
Faulty high pressure fuel pump.
Which of the following statements is correct with respect to IMDG cargo, loaded on a General cargo vessel, that is also classed as a Marine Pollutant
This cargo can only be loaded under deck
This cargo can only be loaded on deck
Cargo must be loaded in a protected location and preferably under deck if IMDG Code allows
Cargo of this type can be loaded anywhere on board the vessel
After a discharge of a cargo of bananas there are a large number of cartons of condemned fruit left on deck. The vessel is not in a special area and is more than 100 miles from land. Select from the options given the most appropriate action to take to dispose of the condemned fruit.
Keep the fruit onboard for crew consumption.
Keep the condemned cargo onboard until it can be landed at a suitable reception facility.
Remove and retain any plastic packaging before dumping the condemned cargo overboard.
Dump the entire condemned cargo, including packaging, overboard and make a note in the Garbage Disposal Log
If a master initially responds to a distress but then, in special circumstances, decides not to proceed, what must he then do?
Inform the appropriate search and rescue authorities of his decision and enter the reason in the ship's logbook.
Inform his owners of his decision and resume his passage at the earliest opportunity.
If possible, inform the casualty of his decision and communicate his reasons.
Contact the SAR Mission Co-ordinator and secure his written agreement to the release of his vessel from the operation.
What is the Fitter asked to do?
The portable air pump is out of order
He is to empty the hydraulic oil into the sea
He is to check the heater for the hydraulic oil
He looks for oil drums under the forecastle
You are on a tug and are towing an unmanned barge. You are restricted in your ability to manoeuvre. The total length of the tow is 219 metres. What daylight signals are required by the International Regulations for Preventing Collisions at Sea?
A diamond shape, where it can best be seen, on the tug only. Three shapes shall also be displayed, being three balls in a vertical line.
Three shapes shall be displayed on the tug, where they can best be seen, in a vertical line, the upper and lower being balls and the middle one a cylinder. The signal flag "T" shall also be flown on the tug. A diamond shall be displayed aft on the tow.
Three shapes shall be displayed forward on the tug, in a vertical line, the upper and lower being balls and the middle one a diamond.
A diamond shape, where it can best be seen shall be displayed on the tug and the tow. Three shapes shall also be displayed in a vertical line, the upper and lower being balls and the middle one a diamond. Diamond shape
On a RoRo vessel, when checking cargo lashings during the voyage what must duty crew members pay special attention to?
The number of lashings per cargo unit
The tightness of lashings per cargo unit
The type of cargo lashing materials
You have just started to load Dicyclopentadiene to 5 port and starboard cargo tanks, but no cargo seems to be coming into the tanks. What will you do?
Carefully slack the bolts back on the connections, working initially on the off-shore mainifold, to determine how far the pressure extends in the ship's pipeline system, to identify which valve is giving the problem.
Stop cargo - notify the Duty Officer and / or the terminal dependng on the agreed communication procedure. Re-check the lines, valves and connections carefully, bearing in mind that there might be a build-up of pressure. Report as appropriate.
Open the main lid on the tank and use a flashlight to try and see if there is a problem with the pump or line inside.
Say nothing. Re-check all valves. Just open it, if one is found closed.
In which cases shall side scuttles in passenger ships be so constructed that they cannot be opened without the consent of the master of the ship?
Where the height of the side scuttles go through more than two decks
Where the sills of the side scuttles are below the margin line
Where the sills of the side scuttles are less than 500 mm above the deepest load line
Where the sills are mounted below the bulkhead deck
What is the anticipated rolling period of a ship with a large initial Transverse Metacentric Height (GM) and would there be any associated dangers to consider?
Long slow roll and no particular hazards
Short sharp period of roll associated with breaking lashings and shifting cargo
Short period of roll, but a very stable ship and no associated dangers
Long period of roll with free surface effects at a maximum.
What is the minimum number of relief valves to be fitted to any cargo tank of greater than 20 cubic meters capacity?
Minimum one pressure relief valve.
The number of relief valves is dependent of type of gas carrier.
At least two pressure relief valves.
Minimum two pressure relief valves in addition to the MARVS.
With full load on the main engine, the turbocharger tachometer reads: Too low RPM. Why?
Damaged connection between pick-up and tachometer unit.
Turbocharger need to be cleaned/overhauled.
Pick up for tachometer is wrongly adjusted.
Pick up is not connected to turbocharger.
What could be the reason to knocking in the engine?
The piston clearance is too large. Worn piston or cylinder liners.
Faulty fuel oil supply.
Faulty governor.
The injection pumps are working irregularly. Air in the fuel system.
How is the quantity of fuel oil, in HP fuel oil pump adjusted when the engine is running ?
By adjustment of the pressure valve in the pump.
Adjusting oil flow to the HP fuel oil pump.
By adjusting the length of the pump stroke.
Turning the plunger piston according to engine load.
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