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Maison Tests en ligne CES Oil tanker Deck Support Test online CES 5.1 for Deck department, Support level, Oil tanker vessel
Tests en ligne : Test online CES 5.1 for Deck department, Support level, Oil tanker vessel
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Description
Le test consiste en des questions aléatoires sur un sujet sélectionné.
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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
The “sensitivity” button adjusts:
AF-Gain
RF-Gain
tuning
Don't know
How often must inspection of proper working of the EPIRB ‘s and SART ’s take place on board? Once per:
month
Don't know
14 days
week
What is false regarding the function :” Transmission and reception of ship to ship distress alerts
On area A4 this function is based on the use of VHF or/and MF DSC
On area A2 this function is based on the use of VHF or/and MF DSC
On area A3 this function is based on the use of INMARSAT A, B or C
On area A1 this function is based on the use of VHF DSC
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
Why are you only allowed to load maximum 98% of the tank capacity?
It is company policy.
Danger to vessel stability and strength.
Due to temperature expansion.
Danger of overloading.
One of the following areas is NOT a Special Area as mentioned in MARPOL regulations regarding pollution by oil. Which is that area?
The Red Sea and The Gulf of Aden
The Gulf of Mexico
The Baltic Sea
The Mediterranean Sea
You are on a vessel 10 nautical miles off the coast of Algerie, in the Mediterranean Sea. Are you allowed to dump food waste overboard?
Yes, all kind of food waste can be dumped overboard
Yes, the food waste can be dumped if it is ground so that the resulting particles can pass through a screen with 50 mm openings
No, food waste can not be dumped overboard
Yes, the food waste can be dumped if it is ground so that the resulting particles can pass through a screen with 25 mm openings
Which of the following has not to be noted in the radio log-book
Duration of public correspondence communications
Name of person responsible for distress communications
Discontinuance and resumption of watchkeeping on entering and leaving port
Summary of distress, urgency and safety communications
Which one of the listed requirements regarding liferafts does not correspond to present regulations? Every liferaft shall be so constructed that:
It's canopy has viewing ports in all directions
It can be dropped from a height of at least 18 metres
It can be towed at a speed of 3 knots with full complement
It can withstand repeated jumps from a height of 4.5 metres
A bulk carrier is loading to complete on summer draught of 10.00m when in salt water; the vessel is loading in river water; The dock water allowance is 80mm ; the maximum draught when loading is completed is??
10.80metres
10.08 metres
11.24 metres
9.92 metres
What is the MARPOL definition of a "high-viscosity substance"?
A noxious liquid substance in category "Y" with a viscosity equal to or greater than 100 mPa.s at 37.8 degrees Celsius.
Any noxious liquid substance, the residues of which cannot be stripped from a cargo compartment and its associated piping and pumping system to equal to or less than 75 litres.
A noxious liquid substance of any category with a pour point of greater than 37.8 degrees Celsius.
A noxious liquid substance in category "X" or "Y" with a viscosity equal to or greater than 50 mPa.s at the unloading temperature.
What must be checked before loading cargo in 'tween decks of a General Cargo Vessel?
The cargo stowed here must be for first discharge port only
The maximum allowed loading must be checked before commencing operations to avoid possible damage
These spaces can only be used for very light cargo
Only very heavy cargo units can be stowed here
What is the approximately boiling point of LNG at atmospheric pressure?
Approximately -160 C.
Approximately -170 C.
Approximately -140 C.
Approximately -150 C.
Which of the following can cause an unprecedented list at sea?
Heavy weather
Ballast water exchange
Turning the vessel
Shift of cargo
What does the Chief Officer want the 1st Engineer to do?
The Chief Officer wants to speak to the 1st Engineer
The Chief Officer wants the 1st Engineer to empty side tank No. 2
The Chief Officer wants the 1st Engineer to put the hydraulic hand pump in bilge No. 5
The Chief Officer wants the 1st Engineer to empty the starboard bilge in hold No. 5
Who is responsible for the development of the Ship Security Plan?
The Port Facility Security Officer
The Classification Society.
The Company Security Officer
The Ship Security Officer
At what temperature would you expect to carry a fully refrigerated cargo of butane?
- 43° C
- 23° C
- 15° C
- 4° C
The DoS addresses the responsibility for the security of the water around the ship and the verification of increased threat levels.
TRUE
FALSE
.
Why do we use oil free compressors on the cargo side in a cargo cooling plant?
We use oil free compressors in the cargo side to avoid oil spill into the cargo.
We use oil free compressors in the cargo side because they have less RPM than the oil lubricated compressors.
We do not use oil free compressors in the cargo side because the compressors need to be lubricated.
We use oil free compressors in the cargo side because the cargo is cold and to cool down the compressor.
This circuit consists of a voltage source V, a change-over switch S, a resistor R and a capacitor C. The voltage/time figures 1 to 4 show changes in the voltage V(C) when the switch S is suddenly shifted from position 1 to 2 at time t = 0. Only one of the diagrams is correct. Which?
Figure 4
Figure 2
Figure 1
Figure 3
During the 5-yearly overhaul and operational test of a lifeboat on-load release gear, to what level should the gear be load tested?
0.8 times the total mass of the lifeboat when loaded with its full complement of persons, equipment and stores.
1.25 times the total mass of the lifeboat when loaded with its full complement of persons and equipment.
1.1 times the total mass of the lifeboat when loaded with its full complement of persons and equipment.
The equivalent to the total mass of the lifeboat when loaded with its full complement of persons and equipment.
What is Inert Gas?
It is a gas containing insufficient oxygen to support the combustion of hydrocarbons.
It is a gas containing too much hydrocarbon vapour to support combustion.
It is a gas containing no oxygen.
It is a gas containing less than 21% by volume oxygen.
What could be the reason if the lub oil viscosity increase?
High lub oil temperature.
The lub oil viscosity will not increase.
Water-leakage to the lub oil system.
Heavy fuel oil leakage to the lub oil system.
When there is a need to interupt current flow in a high voltage system it may be very difficult to quench the electrical arc which is generated at the circuit breaker contacts. Which of the following arcing media is commonly found in high voltage marine switchgear?
Vacuum
Air
Water
Oil
On the figure there are four possible definitions of the term "STARBOARD BOW" given. Which one is the correct one?
Starboard bow is given by D on the figure
Starboard bow is given by C on the figure
Starboard bow is given by B on the figure
Starboard bow is given by A on the figure
How should steel coils be loaded at the start of cargo operations on a General Cargo Vessel?
Across a cargo hold
From the centre of a cargo hold working towards the sides
From both sides of a cargo hold working towards the centre
From the centre of a cargo hold working towards one side then the other
Can containers carried on multi-purpose or general cargo ships be lashed with lashing wires and chains?
Yes, if provided for in the vessel’s Cargo Securing Manual (CSM)
Yes, always
No
Yes, together with dedicated container lashing equipment
What is the best method to use to remove heavy scale and fouling from the plates of a heat exchanger?
Use wire-brush, metal scrapers and chipping guns.
Renew the plates.
Use high-pressure cleaner with abrasive additives.
Soak the plates in a recommended cleaning solution and then use a soft brush or pressure cleaner.
What is important with regard to checking container lashings on deck?
The strength of lashing rods
The number and extent of lashings
The strength of twistlocks
The tightness of lashing rods and container locking arrangements
When bunkering through the port side of the bunker manifold what action should be taken with the valves on the starboard side of the manifold prior to bunkering operations commencing?
Just fit the blank flanges then it doesn’t matter if the valves are closed or not.
The blank flanges should be removed from the starboard side manifold valves to check for any leakage past the closed valves.
Just check that the valves are closed.
Blank flanges should be fitted to the closed starboard side manifold valves.
A ro-ro unit weighing 18mt is to be loaded in the fore and aft direction and lashed by belts of SWL 2mt. How many lashing belts should be used to secure the unit?
9
10
8
At least 12
From the options given, choose the one most likely to result in a high exhaust gas temperature in one cylinder of a diesel engine.
The inlet and exhaust valve tappet clearance is incorrect.
Fuel injection valve opening pressure set too high.
Faulty turbo charger.
Clogged nozzle holes in the fuel injection valve.
What is weblash equipment used for?
Securing cars
Securing cargoes with high centres of gravity
Securing project cargoes and cargoes on bolsters
Securing the jibs of mobile cranes
All passenger ships are divided into vertical ’zones’. What is the purpose of this?
Vertical zones are separated with firedoors which will be closed automatically when the firealarm start.
All vertical zones are separated with waterthight doors, which will be closed in the case of a grounding, etc.
There is one fireteam in each zone
This is firezones which can be divided from eachother with firedoors. If a fire start in one zone, all firedoors in front and aft of the fire will be closed from the bridge to stop the smoke and fire from spreading.
What are the effects of a bulk vessel loading a high density cargo resulting in a large metacentric height (GM)?
Suffer torsional stresses and have small righting levers
Have a slow roll and very small righting levers
Have a fast roll period and possibly suffer racking stresses
Have a slow roll and large righting levers
Which of the following food types are good sources of polyunsaturated and monosaturated fatty acids?
Meat products, such as pies, re-formed joints and burgers
Fish, nuts and vegetables
Sugar, chocolate and pectin
Full fat dairy products
If the high PPM alarm is actuated on an automatic O.W.S. What should happen?
The sludge pump stopped.
Overboard discharge is stopped.
Overboard discharge continues.
The oil outlet valve opens.
On the figure 4 possible definitions of the term "AHEAD" are given. Which one is the correct one?
Ahead is given by C on the figure
Ahead is given by B on the figure
Ahead is given by A on the figure
Ahead is given by D on the figure
One of the crossheads on a large, six cylinder, slow speed diesel engine has been severely damaged due to bearing failure. The connecting rod for the cylinder concerned is to be removed from the engine and the piston and damaged crosshead suspended in the engine so that it can be run on 5 cylinders. Which of the methods given in the options should be used to suspend the piston and crosshead?
Remove the cylinder cover and connect the piston (with crosshead attached) to the engine room crane and position the piston so that it covers the scavenge ports.
Raise the piston sufficiently high to allow the crosshead support pins/chains to be fitted and rest the crosshead on them (with piston attached and positioned above the scavenge ports)
Raise the piston (with crosshead attached) to just above the scavenge ports and insert pieces of wood through the ports to rest the piston on
Remove the cylinder cover and lift the piston until the crown and skirt are clear of the liner and place two bits of angle iron across the liner top to rest the piston on.
You are on a power driven vessel underway in open water. This vessel is sighted directly ahead. The distance is closing slowly. What action will you take under the International Collision Regulations and why?
This is a vessel engaged in towing and I am seeing the stern light of the tow. The tug is not however showing any lights indicating she is restricted in her ability to manoeuvre. I will however display good seamanship and keep out of her way.
I will keep out of her way. I am the overtaking vessel and am obliged to keep clear under rule 13.
I will maintain my course and speed. The other vessel is being overtaken and is therefore obliged to keep out of the way by rule 13.
The vessel is on a steady bearing and the distance is closing. I will therefore take avoiding action, altering course to starboard and sounding one short blast under rules 14 and 16.
Which function is this operational amplifier circuit performing?
Integrator
Differentiator
Non-inverting amplifier
Inverting amplifier
Emergency instructions in appropriate languages shall be posted in passenger cabins. Which information shall as a minimum be included in the emergency instructions?
Name of cabin attendant
The method of donning life-jackets, escape routes and alarm signals
Where to find thermal protective aids
Escape routes and alarm signals
The emergency oil pollution equipment locker must be:
Just off the main engine room
A store room in the forward part of the ship
Prominently marked and easily accessible
A store room close to the pump room
When could there be a demonstration of how to start a lifeboat engine?
There is an instruction card inside the lifeboat showing how to start the engine.
A demonstration could be arranged during a lifeboat drill
A demonstration is not necessary, because there are a limited number of persons who given the responsibility for starting the lifeboat engine
Starting the lifeboat engine is very easy and there does not need to be any demonstration
Which of these situations will not result in an emergency shutdown of cargo operations?
Failure of the hold ventilation system
The vessel developing and sudden and unexpected list
A blackout on board
The loading ramp being lifted clear of the jetty
What is the meaning of the term "Make Fast", when mooring the ship?
Make Fast means to coil up a rope
Make Fast means to avoid eating all meals during the daylight hours.
Make Fast means to act very quickly
Make Fast means secure the ropes to the bits
What is the IMO recommended allowance for water absorbtion in timber deck cargoes on a General Cargo Vessel ?
5% additional weight should be used in stability calculation for the arrival condition
No additional weight allowance is normally made
15% additional weight should be used in stability calculation for the arrival condition
25% additional weight should be used in stability calculation for the arrival condition
On the figure 4 possible definitions of the term "ASTERN" are shown. Which one is the correct one?
Astern is defined as B on the figure
Astern is defined as D on the figure
Astern is defined as C on the figure
Astern is defined as A on the figure
What does heaving result in?
Shearing of container twistlocks
Vertical accelerations acting along container corner posts
Tipping of containers
Longitudinal accelerations acting on hatch pontoons
A General Cargo vessel develops an angle of loll while loading a heavy item of deck cargo alongside; what is the action to be taken ?
Stop cargo, increase FSE in tanks, lower weights within vessel and fill small ballast tank on high side of vessel
Stop cargo, reduce FSE in tanks, lower weights within vessel and fill small ballast tank on high side of vessel
Stop cargo, increase FSE in tanks, lower weights within vessel and empty small ballast tank on low side of vessel
Stop cargo, reduce FSE in tanks, lower weights within vessel and fill small ballast tank on low side of vessel
What is a "ladle"?
Part of a Steward's uniform.
A big spoon.
A type of bread roll.
A Mediterranean vegetable.
When one ship is unmooring from another which is at anchor, the unmooring crew should be instructed to cast off lines:
As and when they think fit.
As and when the vessel remaining at anchor instructs them to do so.
As and when the manoeuvring vessel instructs them to do so.
As and when strain appears on individual ropes.
On routine daily inspection you notice that there is a light arcing between an alternator's carbon brushes and rotor sliprings, with alternator operating at 70% load. Should you:
Check the surface of the sliprings, polish if necessary and bed in the brushes
Clean up and increase the tension on the brushes
Move the position of the brushes around the sliprings to find the correct neutral position
Reverse the polarity of the excitation voltage at the brush holder connection
Thermocouples are often used for measuring temperatures. Which of the following descriptions are valid for a thermocouple?
A junction between two dissimilar metals generates a small voltage.
A semi-conductor device that exhibits a negative coefficient of resistance with temperature.
A resistance device that exhibits a positive coefficient of resistance with temperature.
A quartz crystal that changes its resonant frequency with temperature.
Some specialised vessels, mainly those involved in the carriage of fish, are capable of carriage temperatures as low as minus 60 degree Celsius. From the options given select the one that best describes why such low temperatures are used.
At minus 62 degrees Celsius the eutectic point is reached and all water in the cells is frozen.
Longer transport times are possible and hence less powerful vessels are required.
Higher charter rates can be achieved.
Quick temperature reduction is possible.
What kinds of checks must be carried out on slings, wires and other items of lifting equipment before they are used in routine operations?
They must be tested under load, to ensure they can bear the planned weight.
They must be visually inspected to ensure that the ID and SWL marks are clearly legible.
They do not need to be checked. They are checked under the vessel's planned maintenance system every 12 months.
They must be visually inspected and ascertained, so far as is possible, as being in good working order and fit for purpose.
When should a master agree to load a cargo of concentrates?
When he is fully satisfied that the actual moisture content of the cargo is less than the Transportable Moisture Limit (TML)
After a laboratory analysis of the cargo has been carried out
As soon as the cargo holds have been passed for loading
Once the actual moisture content of the cargo has been declared by the shipper
How is responsibility for the stowage and securing of containers determined on multi-purpose vessels?
By wording in the charter party
By advice from the Supercargo
Responsibility always lies with the charterer
Responsibility always lies with the attending surveyor
You are in charge of discharging and crude oil washing a crude oil carrier.What is the maximum allowed oxygen level in the Inert Gas supply to a tank being crude oil washed (IMO)?
10%
5%
3%
8%
How should structural steel products be supported in a cargo hold?
Fore and aft dunnage spaced 3m apart provided in a vertically straight line at every tier
Athwartships dunnage spaced 1.5m apart provided in a vertically straight line at every tier
Athwartships dunnage spaced 3m apart provided in a vertically straight line at every tier
Fore and aft dunnage spaced 1.5m apart provided in a vertically straight line at every tier
Which of these weapons are widely available and commonly used by criminals and terrorists to further their aims?
Liquid explosive
Gun
Vehicle borne device
Incendiary device
What is the name of this unit?
A liferaft release unit
An antistatic release unit
A hydrostatic release unit
A slip hook
During maintenance work on a fuel tank the engine room ratings are removing scale in preparation for re-coating. One of the ratings suddenly notices the smell of fumes even though the atmosphere had been satisfactorily tested before the work started. What action should the ratings take?
Stop work until the smell disappears and then carry on removing the scale.
Leave the tank immediately and have the atmosphere retested.
Ask for another fan to be switched on to increase the ventilation in the tank.
Put on breathing apparatus and carry on with the task.
A steel spear thermometer is to be used to check the pulp temperatures of a cargo of chilled beef which is vacuum wrapped in plastic and packed in cardboard cartons. Which of the given options is the most appropriate method of using the thermometer to get the pulp temperatures of this high value commodity?
Remove the carton lid and drive the thermometer directly into one of the pieces of beef through the plastic wrapping.
Drive the thermometer directly through the carton and the plastic wrapping into the beef.
Remove the lid of the carton and place the thermometer so that it is completely covered between two of the plastic wrapped pieces of beef.
Drive the thermometer through the cardboard but avoid piercing the plastic wrappings.
What is understood by the term "a Combination Carrier"?
A general cargo ship
A ship designed to carry either oil or solid bulk cargoes
A ship designed to carry bulk cargoes in alternate holds
A ship designed to carry all types of cargoes
How often shall watertight doors in main transverse bulkheads which is in use at sea be operated (tested)?
Daily
Every month
Every two weeks
Weekly
A bulk cargo has been discharged by grabs; what is an important check to make before closing the hatch cover?
Vessel trimmed even keel
Check that hatch coaming and sealing bar have not been damaged by grab contact
All other cargo holds empty of cargo
Hold ventilators open
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
How might a leak from a cargo tank on an oil tanker be readily detected during the voyage?
By regularly monitoring the vessel's trim on the cargo computer - any cargo that leaks will run to the end of a compartment, resulting in an increase in trim.
By occasionally opening a selected tank and manually measuring the cargo ullage, then comparing it to the 'after loading' reading.
By regularly monitoring void and ballast spaces, such as by testing them for hydrocarbon content and sounding them.
By frequently monitoring cargo level equipment readouts and comparing them to the load port departure readings.
Some of the cargoes carried onboard liquefied gas carriers are classed as saturated hydrocarbons. What are the features of the common saturated hydrocarbon cargoes (e.g. propane and butane) that are carried on these vessels?
As liquids they are colourless, odourless and are chemically non-reactive.
As liquids they are yellowish brown in colour, odourless and are chemically reactive.
As liquids they are yellowish brown in colour, with a sweet odour, and are chemically non-reactive.
As liquids they are colourless, with a sweet odour, and are chemically reactive.
Why is it important to remove all traces of salt after washing the cargo holds of a bulk carrier?
Because salt will contaminate the next bulk cargo
If not done, surveyors at the load port will be unable to properly inspect the cargo holds
Because salt encourages the corrosion of steelwork
To prepare the steelwork for painting during the ballast passage
After completion of a cleaning job on some machinery components at sea, the engine watch rating is instructed to dispose of a small amount of dirty diesel oil which is left in a bucket. How should the dirty oil be disposed of.
Put it straight into the dirty oil tank for incineration at the next opportunity.
Take it on deck and throw it overboard.
Pour it into the diesel oil storage tank through the sounding pipe.
Pour it into the engine room bilge so that it can be pumped through the oily water separator.
What is the time limit for abandonment of passenger ships?
15 minutes from the time the abandon ship signal is given
There is no time limit
2 hours from the time the abandon ship signal is given
30 minutes from the time the abandon ship signal is given
When securing a non-standardized portable tank what is a favourable securing angle that will prevent it from transverse sliding?
30 to 35 degrees
10 to 15 degrees
18 to 25 degrees
5 to 10 degrees
A data logger printout is being checked against the sensors in a refrigerated cargo space. The pulp temperature and the return air flow temperature are being considered. It is necessary to identify the return air sensor. Which of the options gives the best description of the normal form that such a sensor would take?
A glass tube filled with coloured liquid.
A metal spike protruding from a rubber base housing which is usually black.
A tube completely covered in a rubber housing which is usually black.
A metal spike with an analogue readout at one end.
On the air compressor's crankcase there is a small valve that lets off overpressure. What do we have to do if this valve is letting off pressure and oil moisture ?
Check the clearance in the bearings.
Increase the flow of cooling water.
Overhaul the compressor unit.
Block the valve because it pollutes the engine room (block off the valve).
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
What should be done prior to loading cotton?
The cargo hold fire-fighting system should be thoroughly examined
Tank tops should be sheathed
The holds should be inspected for signs of previous cargo residues
The cargo hold ventilation system should be thoroughly examined
How will you find the Tipping Moment of a cargo item?
Transverse accelerations/10 x weight of cargo item x height of its centre of gravity above its base
Transverse accelerations/10 x weight of cargo item x height of its centre of gravity above the keel
Transverse accelerations/7 x weight of cargo item x height of its centre of gravity above its base
Transverse accelerations/7 x vessel's natural roll period
What would be the effect of a faulty steam trap on a fuel oil heater causing condensate to build up in the heater exchanger?
An increase in fuel oil temperature.
Low water level in the boiler.
Reduced heating capacity of the heater.
Excess pressure on the shell of the heat exchanger.
Which of the following has the highest fat content?
Sardines
Rainbow trout
Hake
Plaice
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
What is the minimum length of rubber insert when replacing a damaged section of the hatch cover seal?
250 mm
200 mm
275 mm
500 mm
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.
On a Container vessel, when can twistlocks be used to lift containers?
When they are semi-automatic
When they are fully automatic
Only if they have been approved and certified for this purpose
When they are of the mid-lock design
Why should containers containing scrap metal be stowed under deck or in high on-deck stowage positions?
Because of separation requirements under the IMDG Code
To avoid contact with seawater
Because of shippers’ requirements
Because of segregation requirements under the IMDG Code
What extent of hatch cover spares should be available on board at all times?
Rubber packing and hatch cleat washers for one panel section
Specimen fittings shown in the hatch cover manufacturer’s manual
Rubber packing hatch cleat washers and glue for two panel sections
Rubber packing and hatch cleat washers for two panel sections
With regard to portable fire-fighting equipment on ro-ro decks, what must be ensured upon completion of cargo loading operations?
The equipment must be lashed so as to prevent accidental movement
All items of equipment must be in the designated position
Water applicator nozzles must be moved away from vehicles’ exhausts
Fire extinguishers must be moved away from vehicles’ exhausts
A ship's electrical system operates at 60Hz but when connected to shore supply it is supplied with 50Hz. Which of the following would you expect?
Electric motors will run at increased speed and will tend to overheat.
Generators are more sensitive to reverse power faults.
Electric motors will run at reduced speed and will tend to overheat.
Earth faults are more likely.
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.