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Maison Tests en ligne CES Dry cargo MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Dry cargo vessel
Tests en ligne : Test online CES 5.1 for MASTER / Ch-Officer, Dry cargo vessel
Test en ligne
Description
Le test consiste en des questions aléatoires sur un sujet sélectionné.
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Hand flares shall be so designed as to burn or emit smoke:
when underwater
continuously after having been immersed for a period of 10 seconds under 100mm of water
only when not in the water
continuously after having been immersed for a period of 1 minute under 1m of water
A class D fire involves what type of material?
Liquids
Wood or other carbonaceous material
Gases
Metals
A particular vessel is equipped with the possibility to insert CO2 in the scavenging air belt in case of uncontrolled fire. What are the action to be taken in case of fire in the scavenging air belt?
Continue running the engine on regular speed waiting for the fire to burn out, during continuous monitoring of condition.
Reduce the RPM to reduce the scavenge air temperature. When the temperature is reduced and in case the fire is not extinguished by itself, insert carefully CO2.
Continue running the engine on regular speed inserting CO2 awaiting the fire to burn out.
Reduce the RPM waiting for the fire to burn out, during continuous monitoring of condition.
A fire bulkhead of the "C" class must be constructed of:
Non-combustible material
Steel or equivalent material
Low flame spread material
Ignition resistant material
*What is the approximate pressure of the CO2 stored in a cylinder at an ambient temperature of +20?C?
160 bar
1bar
60 bar
20 bar
The self-contained breathing apparatus can be classified according to their air circuit in:
High, medium and low pressure circuit apparatus
Medium and low pressure circuit apparatus
Open and closed circuit apparatus
High and low pressure circuit apparatus
A pan on the galley stove containing oil catches fire, which of the following should NOT be used on this type of fire?
Cover pan with fire blanket and switch of heat source.
Cover pan with lid and switch of heat source.
Use water extinguisher to put out the fire.
Raise the alarm, close galley door and wait for the fire teams to arrive.
What are the criteria that it must be automatic fire detection onboard a ship with heat/ smoke detectors and audio alarm?
All ships that is covered by the IMO safety conventions
All ships that are built after 1986
It is the owners option to have fire detection onboard
All ships that are built on or after 1986 in accordance with local rule and regulations
Which one of the listed fire-extinguishing medium is most effective against an open oil fire?
Foam
Water
Powder
Gas
A DSC-message of the “safety” category is received from another vessel on VHF channel 70. Conforming to the GMDSS rules, for the continuation of the safety traffic, you must change to VHF-channel:
Don't know
70
16
07
MF/HF 2187,5 Khz ALL SHIP DISTRESS 227852000 FIRE N 50 00 W 000 10 11:10 ACK RQ What is false regarding the above call ?
A ship receiving this call must set watch on 2182 kHz
This call is an all station call
This call will normally be followed by a DSC acknowlegment call sent by a coast station
The ship which MMSI is 227852000 is in distress
VHF CH 70 ALL SHIP SAFETY 2275200 G3E NO INFORMATION FIRE CH13 EOS What is false regarding the above call ?
This call was sent by a ship which MMSI is 002275200
The message that will follow this call will be preceded by the word SECURITE
A ship receiving this call must set watch on channel 16
This call is an all station call
SART is short for:
Search and Rescue radar transmitter
Safety and Rescue radar transmitter
Search and rescue radar transponder
Safety and radio telephony
The time indication 171906z means in maritime radio communication:
1719 hours UTC on the 6th of the month
Don't know
1906 hours UTC on the 17th of the month
a and b are wrong because UTC must be GMT
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
What does the abbreviation ABC mean in first aid?
Air, Breathing, Circulation.
Abandon, Balance, Circulation.
Air, Breath, Concentration.
Air, Burning, Critic.
You are planning the discharge of a crude oil tanker with segregated ballast tanks, SBT. Which of the cargo tanks should be crude oil washed if you are expecting heavy weather?
All the cargo tanks that were not COW'ed in the last discharge port
At least 30% of the cargo tanks
The dedicated heavy weather ballast tank
Both sloptanks, and 30% of the remaining cargo tanks
In an OBO, if part liquid is present in any hold (say 60% by volume) this will give rise to "sloshing" which is the movement of liquid when the vessel is rolling or pitching. Sloshing can cause:
Formation of potentially dangerous electrostatically charged mist if a mixture of oil and water (such as dirty ballast) is present in the tank or hold?
Structural damage to the ship's inter-hold transverse bulkheads due to the slamming effect of the liquid?
All the mentioned alternatives.
Structural damage to the ship-s hull due to the slamming effect of the liquid?
When planning the distribution of the cargo, what are the most important forces to take in consideration?
Only bending moments.
Torsion forces.
Only shear forces.
Shear forces and bending moments.
*What is the procedure for testing a fire detection system?
Check that the actual detector is giving appropriate signals to the control panel and that all electric connections are in good order
When testing detectors by suitable equipment (smoke and heat) check that the sensor(s) of the self controlling system (e.g. flashing control light) is(/are) functioning
Check the detector with heat and/or smoke in accordance with the instruction given in its guidance book
All the mentioned alternatives
Your vessel "A" is bound for the Pilot station. Vessel "B" will be picking up pilot before you. According to your observation you are getting to close to vessel "B" and Pilot boat "C". What will you do to avoid a collision?
Try to make a port turn.
Full astern and drop the anchor.
Call vessel "B" and inform them to turn around to starboard.
Observe the situation during a period of time and see how its developing.
When fastening synthetic fibre ropes such as polypropylene on bitts, for safety and better rope control it is recommended to:
Make it fast on the second bitt alone, fig. 2
Make two round turns fast on the leading bitt and then figure of eight on both bitts, fig. 4
Make it fast in a figure of eight fashion, fig. 3
Make it fast with round turns on the leading bitt alone, fig. 1
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
Do you think a ship's trim has any influence on steering abilities?
Yes, a ship usually steers better if trimmed by the bow
No, it is usually best to have no trim at all
Yes, the ship usually steers better if trimmed by the stern
No, the ship will have the same steering ability unaffected by trim
The propagation of radio-signals in the VHF-band is:
dependent on the power emitted and the temperature of the atmosphere
dependent on the hour of transmission (day or night)
Don't know
almost rectilinear
On which frequency a ship must maintain a continuous watch when sailing in area A2?
4207.5 kHz
2182 kHz
8414.5 kHz
2187,5 kHz
In a distress situation and immediately after the distress signal has been sounded, what is the next action to be taken by the Chief Officer on duty?
Send distress signals to call for help
Call the nearest coastal radio station
Use the intercom to inform crew and passengers of the reason for the alarm
Use the VHF-radio telephone to ask ships in the vicinity to stand by
Give the meaning of the following symbol:
child-s lifejacket
muster station for unaccompanied minors (UM)
lifejacket
immersion suit
How would you know how many people a lifeboat is supposed to hold ?
ask one of the deck officers
the number of persons should be clearly stated on the outside of the boats bow
no fixed number as it depends on the people's size
fill the boat up until no more space is left
Which item among those below is included in the normal equipment of every liferaft ?
one boat-hook
one set of fishing tackle
one searchlight which can work continuously for not less than 3 hours
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
Which one of the given requirements regarding survival craft muster and embarkation arrangements corresponds to the present SOLAS regulations?
Davit-launched survival craft muster and embarkation stations shall not be arranged to enable stretchers to be placed in survival craft
Muster and embarkation stations shall be readily accessible from accommodation and work areas
Searchlights to be provided at the launching station
Muster and embarkation stations are to be arranged separately to improve working conditions
If conditions permit, which is the best way to board a liferaft which is floating close to the ship?
Jump into the water close to the raft, without a lifejacket, as this will make it easier to swim and board the liferaft
Jump onto the raft itself
Wearing a lifejacket, jump into the water close to the raft and then swim to it
Use a rope ladder close to the raft to climb down and board
*How much food per person is supplied on a liferaft marked SOLAS A PACK?
Not less than 5000 kJ
None
Not less than 10000 kJ
Not less than 20000 kJ
Give the meaning of the following symbol
Rocket parachute flares
Survival craft distress pyrotechnic signals
Radar transponder
Survival craft portable radio
*Which of following items shall be included in an abandon ship drill?
Checking passenger's immersion suits
Checking the distress signal rockets and other distress signals
instruction in the use of radio life-saving appliances
Checking the lifeboat provisions and supplies
Which one of the following items has to be included in an abandon ship drill according to SOLAS regulations?
Launching and recovery of a survival craft.
Checking that life-jackets are correctly donned.
Manoeuvring the lifeboat in the water.
Starting and operating radio life-saving appliances.
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.
Why do some diesel engine manufacturers recommend machining the valve spindle sealing surface with a half degree difference to the valve seat angle?
To improve valve sealing by compensating for expansion of the valve during high temperature operation.
To minimize heat transfer between valve and valve seat.
To improve valve sealing by compensating for pressure and temperature effects on the valve during engine operation..
To improve valve sealing by increasing contact force by reducing contact area between valve and seat.
Which electronic component is this graphical symbol illustrating:
Temperature sensor
Capacitor
Resistance
Transformer
The boiler water tests show a high and increasing level of chlorides in the boiler water. What is the most likely cause of this problem?
Sea water leakage from the condenser.
Insufficient dosage of treatment chemicals.
Excess dosage of treatment chemicals.
Sea water leaking back through blowdown valves.
You are alongisde to load a cargo of Triethylamine. It will be supplied from shore using an 8-inch flexible hose. When securing this to the ship's manifold (header), how should the connection be made?
With a bolt in every hole in the flange, securely and evenly tightened.
With a bolt in alternate holes, securely and evenly tightened.
With a bolt in alternate holes, securely and evenly tightened, or a minimum of two G-clamps, fitted diagonally across from each other and fully tightened.
Cargo hoses should no longer be connected directly to ship's manifolds for the loading of dangerous chemicals.
What is the purpose of the cylinder head safety valve?
To adjust the cylinder pressure to a safe working pressure.
To relieve excessive high pressure in the cylinder to protect the engine from being damaged.
A valve for safety stop (emergency) of the engine.
For indication of engine being overloaded.
Severe piston ring and liner wear are experienced in two cylinders of a medium speed diesel engine shortly after a complete overhaul of all of the cylinders of the engine. The engine is fitted throughout with chrome plated cylinder liners. Which of the given options is the most likely cause of the excessive wear in the two cylinders?
The oil control rings have been fitted upside down in the two cylinders.
Chrome plated piston rings have been mistakenly fitted to the two cylinders.
Cast iron piston rings have been mistakenly fitted to the two cylinders.
The running in period for the engine was too short.
On the bridge of a RoRo vessel, which of the following doors have no open/closed bridge indicator requirements?
Doors leading into the engine room
Hinged doors in watertight bulkheads
Shell doors and stern ramps
Sliding doors in watertight bulkheads
On a Container vessel, if there are isolated stacks of containers at bay 12, off-centre at bay 04 and at the extremity of bay 06, which of these stacks will require wind lashings?
Only the containers at bay 12
None
The stack at bay 06
All three
What is the expected state of the refrigerant immediately before the expansion valve in a vapour - compression refrigeration system?
Vapour at high pressure.
Liquid at low pressure.
Liquid at high pressure.
Vapour at low pressure.
Modern slow speed, two stroke diesel engines often have locating pins or pegs to keep the piston rings in a fixed position. Why is this arrangement used?
It ensures the rings cannot be mixed up and that they are fitted in the correct order on the piston.
It avoids the risk of the ends of the piston rings being forced out by the gas pressure and catching on the scavenge ports.
The piston ring gaps can be kept in line to control the gas pressure on each of the rings.
The piston rings are more difficult to lubricate because of the slow operating speeds and will wear more quickly if they are allowed to rotate.
Why is it important to slow down the main engine RPM while water-washing the turbocharger?
To protect the bearings
To protect the blower side
Not to damage the rotor blades
To protect the exhaustgas economizer.
On a Container vessel, who is responsible for the safe lashing and securing of containers?
The chief officer
The duty officer
The cargo surveyor
The master
For how long must you save the printouts from the ODME?
Until the end of the voyage.
3 years.
5 years.
3 months.
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.
Passenger ships have a normal requirement of 1 lifejacket per person + 10% for children. In addition to this, how many lifejackets have to be stowed in conspicuous places on deck or at the muster stations?
5% extra
50% extra
25% extra
10% extra
A rating on boiler watch notices water coming from the safety valve chest drain while the boiler is in operation. What action should be taken by the rating?
Contact the engineer officer of the watch and inform him immediately.
Put a bucket under the drain to prevent the deck becoming wet and slippery.
Hit the safety valve with a hammer to try and get it to reseat tightly.
Operate the safety valve using the release gear to try and get it to reseat tightly.
For which emergency resource is it difficult to plan the best use?
passengers
company personnel
crew
emergency equipment
What could result from an experienced bulk carrier master loading containers that shifted en route?
Cargo interests could refuse to accept the cargo
The ship could be deemed uncargoworthy at the commencement of the voyage
The ship could be arrested by cargo interests
The vessel could be deemed unseaworthy due to the master’s inexperience with carrying containers
A cellular container vessel is to load frozen ice cream in containers. Space is available either in the hold or as a deck stow. Select, from the options given, the most suitable stowage position, with the reason, for this cargo.
The deck stow as it is more accessible for checking the status lights on the reefer panel.
The hold as it is more accessible for maintenance and repair in the event of a mechanical problem.
The deck stow as it is less sensitive to temperature in the event of a mechanical problem.
The hold as it is more sheltered from the effects of bad weather.
The abbreviation "COW" applies to a phase of oil tanker operations. What does it stand for?
Computer Operated Washing
Callibration (of) Oil / Water (interface)
Crude Oil Washing
Completion of Washing
If your ship is in the tropics and you are going to be working out on deck during the day, what is the recommended daily intake of water for you to avoid the effects of dehydration?
10 litres.
1litre.
Drinking water is not the solution. I must consume at least 250 mg of salt per day to retain body fluid.
4.5 litres.
During loading of bananas the fruit should be visually inspected frequently to check the quality and for any indications as to its physiological development. Which one of the options given would indicate that the fruit is in suitable condition for shipment?
The bananas are green with a yellow hue. They are not really hard and do not break cleanly.
The bananas are green in colour with patches on the shoulder from the effects of sunshine and have relatively sharp ridges along the length. They can be snapped with sap clinging to the broken parts.
The bananas are yellow with small black spots on the skin. They cannot be snapped but the skin can be peeled off.
The bananas have a uniform green colour with relatively sharp ridges along the length. They can be snapped or broken with sap clinging between the broken parts.
Which of the valve types given in the options is most likely to be used in the cargo loading lines of a liquefied gas carrier?
Screw down non-return valves.
Self closing flap valves.
Ball or butterfly valves.
Needle valves.
What are flexitanks used for?
The carriage of liquid cargoes of a particular specific gravity
The carriage of liquid cargoes that do not have a Proper Shipping Name
The carriage of hazardous liquids, in bulk
The carriage of non-hazardous liquids, in bulk
On a Container vessel, where do OSHA regulations apply?
European Union
Australia
United States of America
United Arab Emirates
On a Container vessel, which document should be consulted for guidance with respect to lashing containers onboard 'own vessel'.
The company's ISM handbook.
The Code for the Safe Practice for Cargo Stowage and Securing.
The Stability Manual.
The Cargo Securing Manual
A very sensitive and valuable commodity is loaded into refrigerated container which is more than 12 years old. The container has been 'pre-tripped' with all routine maintenance having been carried out to the refrigeration plant and sensors with parts being replaced as necessary and all functions appear normal. Which aspect of using this container is most likely to cause problems during the voyage?
Degradation of the insulation due to the age of the container leading to excess heat transfer through the walls.
The accuracy of the control system of the refrigeration plant.
The age of the refrigeration plant.
The type of gas used in the refrigeration plant.
What is the meaning of "make fast"
To secure a rope
To coil a rope
To avoid all meals
To act quickly
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.
For a cargo compartment on a chemical tanker to meet the definition and requirements of a "pressure tank", what must its design pressure be?
At least 1.0 bar gauge.
At least 2.1 bar gauge.
Less than 0.7 bar gauge.
Greater than 0.7 bar gauge.
When starting cargo compressors they should be:
Unloaded.
Fully loaded.
Half loaded.
It does not matter.
What are the minimum required air changes per hour for Special Category Spaces in cargo ships?
15
6
10
20
What is known as a "Non-Standardized Cargo" on a General Cargo Ship?
Cargo for which the ship is not provided with an approved securing system
Cargo which must be secured in accordance with the shipper's instructions
Cargo which requires individual stowage and securing arrangements
Cargo for which there is no standard securing system
What is the correct way to obtain a reduced capacity with a centrifugal pump?
Throttling of delivery valve
Throttling of suction valve
Adjust the relief valve
Open the priming line
The Ziegler-Nichols method is used in control engineering when setting up the system. Which of the system components given in the options would this method be applied to during initial set up?
Sensing unit to set the range.
Valve positioner to optimise speed of operation.
PID controller for tuning.
Valve and actuator to set the span of travel.
When maintenance work is to be carried out on an electric motor driving a centrifugal water pump with automatic start, should you;
Ascertain from the senior watchkeeper if it is okay to start work, isolate the valves then commence work.
Set in local control, isolate the suction and delivery valves then commence work.
Isolate the suction and delivery valves then inform the electrician that you are starting work.
In conjunction with the senior watchkeeper and electrician, isolate valves, electrical supply, automatics and post 'Do not operate' signs before commencing work.
Marine steam boilers are protected with a number of safety features which are designed to prevent damage to the boiler due to overheating or overpressure. How is this protection achieved when a very low water level condition (often referred to as low low level) develops during operation?
The main and auxiliary feed control valves open fully while all burners continue to operate.
All burners are automatically and immediately shut off.
All but one of the burners is shut off with the remaining burner being reduced to minimum firing.
All burners are automatically set at minimum firing rate.
What is understood by the term, "The Lee Side"?
Lee Side is the Port side of the vessel
Lee Side is the side that faces the wind
Lee Side is the side that faces away from the wind
Lee Side is the Starboard side of the vessel
What problem is associated with the use of twistlocks?
Sliding of containers when a vessel is pitching or surging
Susceptibility to wear and tear
Failure during heavy weather
The mixed use of left and right-handed twistlocks on the same vessel
Which statement about IED’s is true?
All IED’s have four common components.
IED’s don’t cause serious damage.
All IED’s look alike.
IED’s are difficult to manufacture.
How can a lead-acid type battery be checked to confirm if it is fully charged or not?
Measure the relative density (specific gravity) of the electrolyte
Measure the temperature of the electrolyte
Measure the level of the electrolyte
Measure the battery voltage
Which Security Levels requires the highest security alert?
Security Level 2
Security Level 1
Security Level 3
.
What are the duties of the "Standby Watch keeper" when he is not on the bridge?
Remain in the expected location, available for immediate call from the bridge
Tidy up the accommodation and clear the mess rooms
Return to his cabin and catch up with some sleep
Patrol the ship and report anything unusual to the bridge
Due to the relative low resistance of a Pt 100 sensor we might have to compensate for the cable-resistance to ensure a correct reading. Which of the 4 alternatives given is correct for the connection of this compensation resistance.
Figure 4.
Figure 1.
Figure 2.
Figure 3.
On a Container vessel, with regard to raised deck sockets, what must be ensured prior to commencing cargo operations?
They must be clean and free of internal debris
They must be greased
They must be ready to secure the turnbuckles
They must be well painted
The majority of large slow speed diesel engines used for main propulsion purposes are direct drive to a fixed pitch propeller? What is the main reason for this arrangement?
The amount of power that needs to be transmitted would overload a gearbox.
A fixed pitch propeller can operate with reasonable efficiency at the same sort of speed as the engine.
There is usually only one engine sin this arrangement and so clutches are not required.
Controllable pitch propellers cannot be used with large slow speed diesel engines which can be reversed.
The purpose of remotely controlled measuring of tank levels are to measure:
Height from bottom shell to top stringers in the tank
Height of liquid in the tank
Height from liquid surface to top stringers in the tank
Height of bottom girders in the tank
How to prevent liquid from getting into the cargo compressor?
By checking the pressure in the vapour line between the cargo tank and the cargo compressor.
By using a liquid condenser on the vapour line between the cargo tank and the compressor.
By checking the temperature on the vapour line between the cargo tank and the cargo compressor.
By using a liquid receiver on the vapour line between the cargo tank and the cargo compressor.
When cross-flooding arrangements to correct unsymmetrical flooding and excessive heel angels in damaged condition are installed in passenger ships, what is the maximum angle of heel after flooding but before equalization?
10 degrees
15 degrees
20 degrees
30 degrees
When acting as helmsman would you expect the reading of the gyro compass to be the same as the magnetic compass?
They would always be the same
They would always be within 1 or 2 degrees of each other
They would never be the same
Very seldom would they be the same
When patrolling the car deck during a voyage you should observe the following elements:
Check that fire hoses are connected to the fire hydrants
Any abnormalities such as leakages, fumes, smoke or fire. Check if the lashings need to be tightened on lashed cargo.
heck if all the lights are switched off and the doors are closed
Smoke or fire
This circuit consists of a current source I, a change-over switch S, a resistor R and a capacitor C. The current/time figures 1 to 4 show possible changes in the current I in case the switch S is suddenly shifted from position 1 to 2 at time t= 0. Only one of the diagrams is correct. Which?
Figure D
Figure B
Figure C
Figure A
What is a "Mate's Receipt"?
A receipt issued by the Chief Officer, stating quantity and condition of goods loaded onboard?
A receipt issued by the Chief Officer for cargo discharged in damaged condition?
A receipt issued by the Chief Officer for overtime worked by the Stevedore gangs in port?
The new IMO document that will take the place of "Bills of Lading" from August 1996?
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.