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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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Le test consiste en des questions aléatoires sur un sujet sélectionné.
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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
The pressure in a flexible hose must be set up
Before it is being laid down
After it has been laid down
All answers are correct
While it is being laid down
The display of the DSC-controller on board is showing the following lines: TX call:Selectiveto: 02114200 Category: RoutineUSB:telephony DSC Tx 2189.5 kHz save>send< This DSC-message must be transmitted in the mode:
G3E
F1B
J3E
H3E
When you have an urgent message concerning the safety of a vessel, aeroplane or any other means of …………or a person, then you have to use:
SECURITE
MAYDAY
PAN PAN
Don't know
“RECEIVED MAYDAY” is used in a:
Distress alert
Supplementary receipt on a distress alert
When received a weather report
Receipt of a distress alert
Each ship fitted with a radiotelephone station shall listen on the distress frequency during navigation, for how many hours a day according to the regulations?
24 hours
16 hours
12 hours
8 hours
What is the special requirement listed in IBC/BCH when loading White Spirit?
The tanks should be fitted with audible and visible high-level alarms.
The tanks should be fitted with remote temperature reading.
The tanks should be fitted with audible and visible high and high-high level alarms.
The tanks should be fitted with drop valves.
With a "good" GPS satellite position fix it is possible to achieve an accuracy of:
20 - 100 meters.
250 - 500 meters.
2 nautical miles.
1nautical mile.
Where do you think the "pivot point" is located when your ship is going full speed ahead? No wind, current.
Near the stern
At about 1/6 of the ship-s length from the stern
Amidships
At about 1/6 of the ship-s length from the bow
You are going to leave a crowded anchorage and make a 180 degrees turn. Your ship has a right-handed propeller and you can turn either way. How can you make the turn using as little space as possible?
Full ahead, rudder hard to starboard
Rudder hard to stb. , full ahead. Rudder hard to port, full astern. Repeating this manoeuvre until you have made the turn
Rudder hard to port, full astern. After you gain some sternway, rudder hard to starboard and full ahead
Full ahead, rudder hard to port
Your vessel is transiting the Panama Canal. Which manning level is applicable?
Sufficiently manned with officers and crew to permit safe handling of vessel
A reduced crew is acceptable since the Panama Canal authorities are supplying transit crew
Manning level as per statutory requirements + 10% more to handle mooring equipment
Manning level as per (statutory requirements) masters discretion
The manually controlled inside lamp must be capable of working at minimum for a period of:
18 h
12 h
6 h
24 h
Normally ventilation fans in enclosed ro-ro spaces must be run continuously whenever vehicles are on board, why?
It is easier for the crew, they don't have to think about starting and stopping of fans
The manufacturer of the fans recommends continuous operation to reduce maintenance cost
An increased number of air changes may be required when vehicles are being loaded or unloaded, or where flammable gases or liquids are stowed in closed ro-ro spaces
It is better to run the fans continuously instead of testing the atmosphere
From the statements given in the answer options, choose the one which is most accurate in relation to the operation of water-tube boiler and fire-tube boilers.
A watertube boiler can tolerate a short period of time without any water when the burner is operating.
A firetube boiler has a much better capability to work at higher steam pressure.
Water-tube boilers are more efficient and generally contain less water than fire tube boilers. They are prone to major damage when run dry during operation.
A firetube boiler does not require a non-return valve in the feedwater line.
When lashing general cargoes why are short lashings preferred to long ones?
Because long lashings are more prone to vibration
Because they are more easily tightened and held in tension
Because some of the ship’s lashing points may not be designed to hold long lashings
Because the safe working load of lashing materials decrease with length
Who is responsible for issuing an ISPS certificate?
The Port State
The Flag State
US Coast Guard
The insurance company
Does OPA90 apply to vessels engaged in carrying liquefied gas?
Only if the carrier carry HC-products.
OPA90 apply to all ships.
OPA90 apply only to oil tankers.
OPA90 apply only to non-American flag vessel.
How should the initial draught survey report form be signed?
Adjacent to the column for the final draught survey
Adjacent to the initial draught survey figure remarked ‘for initial draught survey only'
Between the two columns for the initial and final draught surveys remarked ‘for initial draught survey only'
Adjacent to the initial draught survey figure
On what design temperature do we need full secondarry barrier
When the design temperature is below –55oC
Only if the cargo tanks are loaded
When the design temperature is below –55oC and the tank is not independent type B or C, we must have full secondary barrier
When we are carrying cargo on less than –10oC
What should be done if cracks are found on portable deck supports?
Disallow vehicles from passing over the portable deck
Inform the master
Inform the stevedoring foreman
Stop cargo operations and inform the master
What is the substance added to a dough mixture to make it rise, during the baking of bread?
Feast.
Fungus.
Yeast.
Geest.
Where do ships encounter pirates?
Ships encounter pirates off the Indian coastline
Ships encounter pirates off West Africa
Ships encounter pirates in the North Pacific ocean
Ships encounter pirates in the South Atlantic ocean
What is an effective means of measuring total dissolved solids in boiler water?
Not possible to test solids in boiler water.
Alkalinity test.
Chloride test.
Conductivity test.
Insulating materials used on liquefied gas carriers are required to have certain properties including a good vapour diffusion resistance. Which of the insulating materials has the highest vapour diffusion resistance?
Mineral wool.
Polyurethane foam.
Perlite.
Polystyrene.
Which part of the crankshaft of a modern large two stroke diesel engine is most likely to be the origin point for crack initiation during service and therefore needs the greatest attention during maintenance inspection?
The oil holes.
The keyways.
The fillet radii.
The dowel pins and dowel holes
On a container vessel, what should be referred to when taking action to deal with a cargo spillage under-deck?
The ship's Contingency plan
The EmS Guide
The Dangerous Cargo Manifest
The ship's Safety Management System (SMS)
What does MARVS mean on a cargo tank?
Maximum Allowed Relive Valve Setting.
Minimum Allowed Relive Valve Setting.
Maximum Recovery System.
Maximum ROB of Vapour.
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
Indicate the correct name for the part marked on the sketch:
Crankshaft
Turbocharger
Air cooler
Cylinder head
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
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.
Which of the following is a summary of the tank cleaning requirements for a category "X" substance on a chemical tanker constructed after 1st January 2007?
Strip to 75 litres / 12 miles from land / 25 metres of water / minimum 7 knots, proceeding en route.
Prewash for solidifying or high viscosity substances / strip to 75 litres / 12 miles from land / 25 metres of water / minimum 7 knots, proceeding en route.
Prewash / strip to 75 litres / 12 miles from land / 25 metres of water / minimum 7 knots, proceeding en route.
Prewash / strip to 100 litres / 12 miles from land / 25 metres of water / minimum 7 knots, proceeding en route.
You are on a power-driven vessel underway in open water. You sight these lights on the port bow, on a steady bearing. The distance is closing. What are you looking at and what action will you take in compliance with the International Regulations for Preventing Collision at Sea?
This is a power-driven vessel, more than 50 metres in length or less than 50 metres in length and showing a second masthead light, restricted in her ability to manoeuvre. The sidelight of a second vessel can be seen beyond her. Under rule 18, I am obliged to keep clear of the first vessel and will therefore take appropriate avoiding action.
This is a power-driven vessel engaged in towing, less than 50 metres in length, length of tow under 200 metres and the tow, both being restricted in their ability to manoeuvre, seen from the starboard side. Under rule 18, I am required to keep clear and will take appropriate avoiding action.
This is a power-driven vessel engaged in towing, more than 50 metres in length or less than 50 metres in length and showing a second masthead light, length of tow 200 metres or more, not under command. I will keep clear under rule 27.
This is a power-driven vessel engaged in towing, more than 50 metres in length or less than 50 metres in length and showing a second masthead light and the tow, the combined length of which is under 200 metres. The towing vessel is restricted in her ability to manoeuvre. I am seeing their starboard sides. The bearing is steady and risk of collision therefore exists. I will maintain my course and speed under rule 17.
This block diagram illustrates an elementary control system. What is the common name for this type of system?
Open loop feed back system
Scmitt trigger
Closed loop feed back system
Feed forward system
What is the purpose of the accumulation test required by Classification Societies for boiler safety valves before the valves can be approved?
To check the pressure at which the safety valve will reset.
To check that the valves have sufficient discharge capacity when operating to limit the build up of pressure when the boiler is on full firing rate.
To check how high the boiler pressure will go before the safety valve operates.
To check that the maximum firing rate can raise the pressure above normal working pressure.
Some process control systems may several inputs and controlled variables. In this context what is meant by split-range?
On-Off control
Several controllers are connected to the same control-valve
Several control-valves are connected to the same controller
Several control-loops for the same range
On a General Cargo Vessel, what do Tonnes per Centimeter Immersion (TPC), Moment to Change Trim by one Centimeter (MCTC) and Longitudinal Centre of Floatation (LCF) have in common?
They vary with small angles of heel
These vary with the gross tonnage of the vessel
They vary with changes in displacement
They remain unaffected by changes in displacement
What is very important to do when starting to crude oil wash?
No special precautions.
To fill up the lines slowly.
To build up pressure first.
Stop discharging and then start the whole operation slowly.
Which of the following is an international requirement?
Securing of cargoes must completed within two hours of leaving the berth
Securing of cargoes must be completed before a ship leaves the berth
Securing of cargoes may be completed at anchorage
Securing of cargoes must be completed before sailing
Over a period of a few hours of operation the main diesel engine speed gradually falls off. From the options given what is the most likely cause of this fault?
Water in a cylinder.
Injection valve opening pressure is too low.
Governor linkage broken.
Fouling of turbocharger intake filters.
When a Classification Society surveyor identifies corrosion, structural defects or damage to the hull of a vessel, machinery and / or any piece of equipment which, based on the society's rules and in the opinion of the surveyor affects the ship's class, which of the following is that surveyor likely to issue?
A Notification of Deficiency.
A Condition of Class.
A revised Class Notation.
A Notification of Detention.
A positive displacement, rotary type, volumetric flow meter reads low with an error reading of 1% when used to measure flow of heavy oil and 2.5% when used to measure the flow of diesel oil. From the options given select the most likely cause of this difference in error?
The lower mass of diesel oil results in a lower reading.
The higher viscosity of the heavy oil is slowing down the rotary element in the meter.
The low lubricity of the diesel oil is increasing the friction in the rotating element and slowing the rotor down.
The meter is worn internally.
Radio frequency signals can carry information from one place to another if they are modulated. There are several ways to modulate a carrier. Which modulating method is illustrated here?
Frequency modulation (FM)
Pulse-code modulation (PCM)
Amplitude modulation (AM)
Pulse-width modulation (PWM)
Why is a vessel entering dry dock normally slightly trimmed by stern?
To minimise the loss of stability.
To position the vessel easily over the blocks.
To allow drainage of water off the docks.
To allow better manoeuvring when entering into the dry-dock.
A 2 term controller is used to control the fuel oil temperature for a thermal oil system used for heating services. The control is very unstable with the measured value hunting constantly. Select the most probable cause of this problem from the options given.
Integral action reset time is set too slow.
Proportional band width is set too wide.
Proportional band width is set too narrow.
Integral action reset time is set too fast.
Where should a container containing Calcium Hypochlorite be stowed?
Away from sources of heat
Away from cargo transport units containing class 6 IMDG cargoes
Under deck
Away from the centreline of the ship
The refrigeration system for the ships provisions consists of a number of cold rooms served by a central refrigeration system. The evaporator coils for the vegetable room are found to be frosting up even though the room is down to temperature and the liquid line valve has closed. Select, from the options given, the automatic control component which is likely to be malfunctioning and so cause this condition.
The low pressure cut out for the compressor.
Thermostatic expansion valve for the meat room.
Back pressure control valve.
The liquid line valve for the flour room.
What is an IED?
An explosive
A homemade bomb
A type of gun
An incendiary device
On a Container vessel, if chemicals spilled into a cargo hold what would these residues be considered as, under MARPOL 73/78?
Cargo residues
Marine Pollutants
Waste
Oily mixtures
In the diagram which line would be the "AFT SPRING", if the vessel was port side alongside a jetty?
The Aft Spring is indicated by B, in the figure
The Aft Spring is indicated by C, in the figure
The Aft Spring is indicated by D, in the figure
The Aft Spring is indicated by A, in the figure
What causes deterioration of a hatch cover hydraulic system?
Extremes of weather
Repeated hatch cover operations
Ice accretion on piston jackets
Dust and cargo particles around the piston seals
Insulation resistance measurements may be influenced by which of the following?
Temperature, humidity and surface contamination
Humidity, pressure and surface contamination
Humidity, frequency and dampness
Temperature, pressure and dampness
Which of the following is the purpose behind holding a pre-cargo transfer meeting before discharging a number of chemical grades?
To enable the master to confirm that ship's personnel have been advised of the cargo operation requirements on the Vessel Particular Questionnaire mailed to the ship's agent prior to arrival in port.
To ensure that all personnel involved are aware of the details of the proposed cargo operation, the services required and the safety considerations.
To establish tank readiness and the status of any other pre-operation preparations in order for the master to be able to confirm a time of arrival.
To ensure that the responsibility for all items on the Ship/Shore Safety Checklist is assigned and understood before the vessel arrives alongside.
When setting the tappet clearance (rocker arm clearance) on cylinder cover valves it is important that the engine is turned to the correct position. Select, from the options given, the engine correct position for this procedure.
Each cylinder in turn should be at top dead centre position when setting the valve clearances for that cylinder.
Number one cylinder should be at top dead centre position for setting the clearance for all of the valves on the engine.
The engine should be positioned so that the cam follower for the valve for which the clearance is being set is on the cam base circle.
The engine should be positioned so that the cam follower for the valve for which the clearance is being set is on the cam peak.
What is the direction of wind associated with an anticyclone (area of high pressure) in the Northern Hemisphere?
Clockwise around the high pressure
Straight towards the centre of the anticyclone
Directly away from the centre of the anticyclone towards the nearest Low pressure.
Anticlockwise around the high pressure
When will a ‘D’ ring not be an effective lashing point?
When painted
When it is oil-stained
When it is covered in grease
When its retaining collar is torn
How frequently should the PA-system (Public Address) be tested?
Every week
Every year
Every day
Every second year
When the temperature of the air increases with height it is known as a "Temperature Inversion" and may influence the performance of some instruments on the ship. What should the bridge Officer of the Watch be prepared to happen?
The GPS may give errors of position because of interference of incoming signals from the satellites
The bearings obtained from the Directional Finder (DF) will not be as accurate as normal
Abnormal ranges of VHF RT and Second Trace Returns on the radar
The radar will be show abnormal sea clutter as the pulse is trapped by the inversion.
You are about to commence tank-cleaning after discharging a cargo of Olefins. What should happen with "ball" type valves in the pipeline system during cleaning?
They should be operated (opened and closed) to ensure all surfaces are flushed and drain plugs should be temporarily removed.
They should remain fully open throughout to ensure washing water does not back up against the valve.
The bolts in the flanges either side of such valves should be slackened off to ensure residues are flushed clear of the surfaces of the valve casing.
They should only be opened when it is necessary to discharge washing water.
A vapour compression refrigeration system is usually fitted with a number of devices to give protection and control of the system. Which of the methods given in the options should be used to test the high pressure cut out during routine maintenance and checking of the system?
Manually close each of the evaporator coils by switching off the electrical supply to the liquid line solenoid shut off valves and monitor the condenser pressure.
Close the condenser outlet valve and closely monitor the condenser pressure.
Gradually shut in the condenser cooling water valve or the condenser refrigerant inlet valve while closely monitoring the compressor discharge pressure.
Charge the system with refrigerant until the high pressure cut out operates.
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
Why should one not rely wholly on a loading computer?
Because loading computers do not indicate actual sea going conditions
Because loading computers do not warn of high centres of gravity when high cube containers are carried
Because some instruments do not warn of heavy-over-light containers so long as overall stack weights are within limits
Because loading computers do not indicate the positions of high cube containers
It is the Masters responsibility to ensure that
All information reagrding the onboard training is given to the ship manager
safety equipment is not used during the training
All personnel participate in the training at the same time
concerned personnel carry out the on-board traing progamme effectively
"From the list below, which is among the recommended actions for a vessel to take, on entering an area known for pirate activity?"
To transit with maximum safe speed
To transit at night time only
To turn off all lights
To confine all ship’s personnel to one room onboard
What must duty crew members ensure so that ro-ro units are not damaged on board?
Units must be driven at a safe speed
Units must not be driven in poor lighting conditions
Units must not be driven over ‘D’ rings
All on-board safety signs must be intact
Medium and high speed diesel engines used for electrical generation duties on board ship have overspeed protection devices fitted to protect the engine in case the electrical generator trips while carrying high loads. Why are these devices necessary?
To stop the engine before any serious damage occurs due to excess inertial loads.
To stop the engine before any serious damage occurs to the electrical components due to excess voltage and frequency.
To stop the engine before any serious damage occurs due to rapidly changing thermal loads.
To stop the engine before any serious damage occurs due to rapidly changing cylinder pressures.
What arrangement may be installed in passenger ships to reduce unsymmetrical flooding in damaged condition?
Ballast trimming system
Cross flooding arrangement
Separate trim tanks
Self acting ballast trimming arrangement
An electric motor is to be aligned to a pump by insuring shims under the motor feet. Which of the tools given in the options would be used to check that the alignment is correct by measurement of the gap between the coupling faces?
An inside vernier calliper.
A set of feeler gauges.
An inside micrometer.
A go/no go gauge
Which of the following options may be used as a brief summary of how to safely make high voltage equipment accessible?
Shed load, Earth (ground), disconnect, isolate
Disconect, isolate, earth (ground)
Shed load, isolate. Earth (ground)
Disconnect, earth (ground), isolate
During maintenance work in the engine room an access ladder and platform have been removed to allow work to be carried out on a pipe. When breaking for lunch what action should be taken to make the worksite safe?
Close off the area with rope or tape and put out warning signs that work is in progress.
Refit the access ladder and platform securely and remove it again after lunch.
Loosely refit the platform and ladder.
Leave one man to carry on working on his own and to warn anyone entering the engineroom that work is ongoing.
What is the maximum length of a fire zone on any deck?
50 meters
100 meters
40 meters
30 meters
The cargo manifold working platform surface should be made of:
Chequer plate
Perforated steel sheet
Open mesh grating
Wooden laminate
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.
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
If the A.C. line current in a generator stator is doubled, the heating effect in the stator windings will:
Quadruple
Double.
Remain about the same.
Half.
Why should all bulk cargoes be trimmed and levelled on completion of loading?
To assist in the discharge
To prevent flammable gasses being generated
To reduce the possibilities of the cargo shifting at sea
To reduce the risk of cargo damage on passage
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
During loading of a palletised refrigerated cargo it is noticed that some of the pallet boards are badly damaged. Which one of the actions, from the options given, is the most appropriate?
Remove and repair or replace the damaged pallets before loading them.
Note the number of damaged pallets involved on the Mate's receipt.
Accept the cargo loaded on the damaged pallets and repair them onboard.
Take no action as a small number of broken pallets are an acceptable part of such an operation.
What ingredient, made from durum wheat, is commonly used as an alternative to rice with north-African dishes?
Bulgar wheat.
Couscous.
Soya.
Semolina.
What is the purpose of introducing inert gas into cargo tanks?
To create a non-explosive atmosphere in the tank.
To reduce the static electricity potential in the tank.
To prevent evaporation of cargo.
To make the tank safe for entry.
Why is it important to have an efficient fire patrol system on board passenger ships?
To show passengers in public areas we are on duty 24 hrs
To control that passengers adhere to smoking regulations on board
To ensure that an outbreak of fire may be prompltly detected
To verify that the automatic fire-detection system is working properly
Whenever there is a major bleeding, the first priority should be to:
Stop the bleeding
Raise an alarm
Call the doctor
Take the pulse of the patient
During cargo or bunker operations, oil response equipment is to be:
Used elsewhere in the ship
In its store room
Ready for immediate use
In the cargo pump room
When starting three phase induction motors which of the following starting methods will immediately apply rated voltage to the machine?
Soft starter
Star Delta
Direct on Line
Auto - transformer
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.
A bulk carrier is loading to summer loadline marks ; to which part of the loadline marks does the vessel load in salt water (R.D.1025)?
The bottom of the summer mark
The winter mark
The top of the summer mark
The fresh water mark
Where is the "FORECASTLE", in the figure?
The Forecastle is D, in the figure
The Forecastle is B, in the figure
The Forecastle is C, in the figure
The Forecastle is A, in the figure
With the set point at the actual desired value, a temperature control system is giving an unacceptably large offset (difference between set point and measured value) on high load resulting in a low system temperature. Which of the actions given in the options should be taken to reduce this effect and therefore achieve closer control of the temperature?
Increase the set point to a value above the actual desired value
Crack open the manual bypass valve for the control valve.
Increase the width of the proportional band for the controller.
Reduce the width of the proportional band for the controller.
What action should you take if you have a flash-back during gas welding?
Run for your life.
Close the regulator valves immediately, oxygen first.
Cool the bottles down with water.
Use a portable fire extinguisher.
Which of the options given is the main reason for using a ring spanner to tighten the brass nuts on the cover studs of a pump casing?
The nuts can be tightened more with this type of spanner.
It will allow the nuts to be tightened correctly.
It will minimise the risk of slipping off the nut or damaging the nuts.
It can be adjusted to the exact size of the nut.
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.