%20scale(3)'%3E%3Cpath%20id='s'%20d='M0,-30%2017.63355,24.27051%20-28.53171,-9.27051H28.53171L-17.63355,24.27051z'%20fill='%23FF0'/%3E%3C/g%3E%3Cuse%20xlink:href='%23s'%20transform='translate(300,60)%20rotate(23.036243)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(360,120)%20rotate(45.869898)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(360,210)%20rotate(69.945396)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(300,270)%20rotate(20.659808)'/%3E%3C/svg%3E){kind=small}
Rechercher les postes actuellement vacants :
Afficher les filtres
Rechercher dans la base de données des CV des marins :
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
Sélectionnez le mode de test :
Éducation
Test en ligne
Description
Le test consiste en des questions aléatoires sur un sujet sélectionné.
Question 1 depuis 90
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
- 81
- 82
- 83
- 84
- 85
- 86
- 87
- 88
- 89
- 90
In general what is the proportion of concentrate to water to produce foam?
Between 50 and 100%
over 100%
This operation is done automatically and in relation to the foam
Between 3% and 6%
What types of gases are not allowed as fire-extinguishing medium for fixed gas fire-extinguishing system aboard ships? (SOLAS II-2/5.1.1)
Fuel combustion gases
Halogenated hydrocarbon gases
Toxic gases
Carbondioxide gases
What kind of measure is the division of the vessel in upright areas by using thermic and structural separations?
It is neither a prevention nor a protection measure
It is a prevention measure
It is both a prevention and protection measure
It is a protection measure
*Which of the following actions will be the most effective means for preventing fire in a cabin?
Provide clear warning that persons must not smoke in bed
Request people to refrain from smoking
Install fire detecting devices
Remove all ashtrays
*Which of the following measures should be applied when hot work is to be undertaken in a harbour.
All the answers are good
To maintain a permanent fire watch of at least four persons
To have a hot-work permit
To use only intrinsically safe equipment in the area where hot-work is performed
What is the correct location of portable fire fighting equipment during loading/discharging operations?
On the forecastle and poop deck?
One fire hose and one powder extinguisher forward of the manifold area?
One fire hose forward and aft of the manifold, and portable fire extinguisher near to ships manifold?
Not necessary to locate portable fire fighting equipment near to the manifold?
"B" Class divisions in ships are constructed so that they are capable of preventing the passage of smoke and flame to the end of a standard fire test held for how many minutes?
45 minutes.
15 minutes
60 minutes.
30 minutes.
If circumstances permit, how should low expansion foam be applied to oil burning in the bilges of the engine room?
The foam should be directed towards the bulkhead behind the fire and allowed to spread out slowly over the fire
The foam should be applied to the centre of the fire
The foam should be directed at about 45 degrees upwards so that it can drop onto the fire
The applicator should be used in a sweeping motion to spread the foam over the surface
At the and of a radio telex-connection, when a ‘store and forward' –message has been transmitted, the coast-station at least gives a:
Reference number
Time (in UTC) whereupon the telex for the subscriber is delivered.
Approximate time when telex will be delivered
Code in letters which will be repeated when the telex has been delivered to the subscriber
During the transmission every DSC-symbol is:
only sent twice in a distress alert
Don't know
only sent once
always sent twice
For the VHF-antenna connection is used:
an arbitrary coax cable
a 50 Ohm resistance coax cable
Don't know
a properly insulated copper wire of sufficient diameter
Automatic amplifier regulation is used for the following reasons:
with varying incoming signals the variation in the out going signal is as small as possible
in absence of incoming signals the noise is reduced
with weak incoming signals distortion is reduced
Don't know
At present the MF/HF transmitter often has an automatic aerial turning unit. Should this fail:
No distress frequencies can be used at all
Its always possible to put the turning unit in a fixed position, so the MF distress frequencies can still be used
The transmitter will automatically keep operating on the MF and HF distress frequencies
Don't know
The proper operation of an Inmost C-terminal can be tested by:
Doing a “link test”
Sending a message to MF DSC
Requesting a “self test”
Doing a “recommissioning test”
The accuracy of the position of a Cospas-Sarsat EPIRB established / determined by a LUT is:
100 meters
20 miles
Don't know
5 miles
The battery of an EPIRB should be changed
Every two years
Every four years
Every three years
Yearly
What is SITREP an abbreviation for?
Ship Indication Transmission Equipment.
Survivor Indication Transponder Equipment.
Ship Transit Emergency Radio.
Situation Report.
A distress-call received via RCC should:
Always be given receipt
Always be relayed
Only be given receipt, if the master has confirmed that assistance indeed can be given
Be given receipt, even when indubitably too distant from the distress case
MF/HF 2187,5 kHZ ALL SHIP DISTRESS 2275200 FIRE N 50 00 W 000 10 11:10 EOS What is false regarding the above call ?
This call will normally be followed by an acknowlegment call on DSC
This call was sent by a coast station
A ship receiving this call must set watch on 2182 KHz
This call is an all station call
The radiotelephony two tone alarm should NOT be used when sending which of the following types of messages?
An urgent cyclone warning sent by an authorised coast station.
Message concerning an important navigational message.
Man overboard when assistance using only the urgency signal cannot be obtained.
A distress message.
Which of the named ships are not subject to SOLAS regulations?
Cargo ships of less than 500 tons gross
Service vessels
Fish carriers/fish factories
Rescue vessels
What is STCW in the STCW Code an abbreviation for?
Standard for Training, Certification and Watch regulations
Safe Training, Certification and Work practice
Standard Trained, Certified, Watch keeping
Seafarer's Training, Certification and Watch keeping
For cargo calculations there are two corrections to be made. Two tables are used for this purpose.
Cargo calibration tables.
Shear and bending tables.
Pressure and vacuum tables.
List and trim correction tables.
The rudder is hard over, full ahead in deep water. How much lift force remains when the engine is stopped?
About 20 %
About 50 %
About 5 %
About 80 %
The OOW is expected to double-check the whole voyage plan?
Yes
No
Only the coastal part
Only if no ECDIS is used
Which of the following answers would best define the term "risk"?
Risk is the possibility that a dangerous situation is likely to occur
Risk means something more dangerous than normal is likely to occur
Risk is a situation involving exposure to danger and includes both identification of the occurrence and the likelihood that it will happen.
Risk is the term to identify a dangerous situation which will affect the ship
Which International Convention introduced the GMDSS ?
GMDSS
MERSAR
STCW
SOLAS
" On area A3 the function "" Reception of shore to ship distress alerts"" is mainly based on:"
the use of SARSAT COSPAS Epirbs and NAVTEX
the use of VHF DSC and NAVTEX
the use of MF DSC and INMARSAT C SAFETYNET
the use of HF DSC and INMARSAT C SAFETYNET
In maritime communication two international treaties are primarily involved. They are:
The IMO at London and the ITU at Geneva
Gmdss hand book and Mersar
Solas and the international treaty for messaging
The Solas and its rules
The license is a:
list of available safety equipment on board of ships
Don't know
check for the presence of the required operative certificates
permission for availability, installation and use of radio transmitters on board
The rule for having a radio transmitter license is internationally laid down in:
SOLAS
Don't know
Radio Regulations
Search and rescue treaty of Hamburg
The nationality of a ship can be determined by means of:
the MMSI
the ships name
Don't know
the AAIC
In what HF-band is long distance transmission possible when both stations are located in Darkness:
16 MHz
8 MHz
22 MHz
Don't know
The mode F1B is used:
Don't know
in public broadcasting
in radiotelex-traffic in the MF/HF bands between ship and shore stations
in telephone-traffic in the MF/HF bands between ship and shore stations
The frequency 156,8 MHz is used for :
DSC calls
VHF channel 16
NAVTEX
SARSAT COSPAS EPIRBs
What is most important when preparing for emergencies?
That people listen to orders given.
That people are well trained.
That people know where to find designated equipment.
That people know where to muster.
*The steps of the embarkation ladder used must be spaced apart by a distance of:
300 mm
200 mm
equally spaced, not less than 200 mm or more than 280 mm
equally spaced, not less than 300 mm or more than 380 mm
Which one of the listed requirements regarding immersion suits do not correspond to present regulations? The immersion suit shall be made of waterproof materials and constructed such that:
it will cover the whole body with the exception of the face
it can be unpacked and donned without assistance within 2 minutes
it will have sufficient built in buoyancy to avoid the use of a lifejacket
it is provided with arrangements to reduce free air in the legs of the suit
What is the minimum number of immersion suits that are required to be provided for each open lifeboat under SOLAS rules?
6
3
Nil
One per person
*Which one among the following information shall be marked on the container of an inflatable liferaft:
the number of the liferaft
date when last serviced
the name of the ship to which the liferaft belongs
the port of registry of the ship to which the liferaft belongs
You have just joined a chemical tanker. Where would you find a description of the ship's cargo handling equipment and details of procedures for cargo unloading, tank stripping, tank cleaning, discharge of residues and ballasting and deballasting?
The Cargo Handling Logbook.
The applicable equipment manufacturer's maintenance and operation manuals.
MARPOL 73/78
The Annex II Procedures and Arrangements Manual
Which of the following is a chemical commonly added to cleaning substances used to clean galley areas?
Bleach.
Beach.
Blanch.
Breach.
What is the most likely reason for vibration and noise at the suction side of a centrifugal pump when it is running?
Pump suction valve fully open.
Water hammer in the pump casing.
Fluid friction in the suction line.
Collapsing vapour bubbles due to cavitation.
A bulk cargo is loaded and the cargo stow has been left with an excessive peak height; what could be the result of this situation?
Excessive stresses on transverse bulkheads
Excessive stresses on tank top
Excessive cargo sweat
Damage to hatch covers
What is enthalpy?
Enthalpy is the sum of the external energy of a substance plus the product of the substance volume multiplied by the pressure exerted on the substance by it’s surroundings.
Enthalpy is the difference between the compressor suction temperature and the condensate return temperature.
Enthalpy is the sum of the internal energy of a substance plus the product of the substance volume multiplied by the pressure exerted on the substance by it’s surroundings.
Enthalpy is the sum of the internal and external energy of a substance plus the product of the substance volume multiplied by the pressure exerted on the substance by it’s surroundings.
What is the minimum number of relief valves to be fitted to any cargo tank of greater than 20 cubic metres capacity?
Minimum two pressure relief valves in addition to MARVS.
At least two pressure relief valves.
Minimum one pressure relief valves.
The required number of pressure relief valves is dependent on the pressure.
On board a crude oil tanker, where would you look for guidance on the washing system and equipment, together with the applicable operating procedures?
MARPOL 73/78 - Annex I.
The Oil Record Book - ship particulars page.
The ODME Operating Manual - manufacturer's instruction section.
The Operating and Equipment (COW) Manual.
What type of discharge pumps are normally in use on gas carriers
It is screw pumps that is normally used on gas carriers
It is centrifugal pumps that is normally used on gas carriers
It is piston pumps that is normally used on gas carriers
It is submerged pumps that is normally used on gas carriers
A cargo of steel swarf and borings (waste steel material from industrial processes) carried on a Bulk Carrier, is particularly liable to what?
Cargo sweat and reduced c carbon dioxide levels
A rise in methane gas levels
Production of carbon monoxide and oxygen
Oxygen depletion in the cargo space and self-heating of the cargo
You must not attempt to move a casualty carelessly, if you suspect patient with:
Fractured spine
Sleeping
Consumed excess alcohol
Unconscious
At what temperature would a fully refrigerated cargo of propane normally be carried on a liquefied gas carrier?
minus 43° C
minus 4° C
minus 33° C
minus 23° C
Prior to its partial removal in a water scrubber, what is the approximate Sulphur Dioxide content of flue gas produced by the combustion of fuel oil?
250 ppm.
12,000 ppm.
1,000 ppm.
2,000 ppm.
What is the main fixed fire-fighting system on a car deck?
Water sprinkling
Halon
CO2
Dry powder
Which of these factors will NOT affect the necessary time needed to settle oil on top of the water in the sloptank?
The temperature in the sloptank
The weather conditions
The quality of the Crude Oil Washing performed during the last discharging
The density of the oil in the sloptank
What is the principal ingredient in Risotto?
Pasta.
Seafood.
Rice.
Green vegetables.
What is the recommended range for the pH-value for the water in a diesel engine cooling system engine cooling water be maintained?
Above 10
Between 5 and 7.
Between 7 and 10.
Below 5.
On capesize bulk carriers what problems are associated with welding of the corrugated bulkheads during construction?
Stress concentrations at the corners of the bulkheads
Cracking of cross-deck plating
A reduction in shear forces
Several areas of the bulkheads being 'out of tolerance'
Which regulations require supervising the embarkation of persons on board ro-ro vessels?
The Safety Of Life At Sea (SOLAS) Convention
International Labour Organization (ILO) standards
Standards of Training Certification and Watch-keeping (STCW) Code
The International Ship and Port Facility Security (ISPS) Code
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.
The exhaust gas is too dark because of:
Any of the others.
Faulty fuel injection pumps or valves
Some cylinders is overloaded
Inlet or exhaust valves are leaking
When 3 phase alternators are operating in parallel, it is very important that the reactive load is evenly shared so that the total alternator loads are evenly shared. If the total alternator load is the vector sum of active and reactive loads, which side of the vector diagram (power traingle) shown represents the reactive load?
Either (X) or (Y)
None of the mentioned alternatives
(X)
(Y)
Who is responsible for the safe keeping of the ship's documents?
Chief Officer
Chief Engineer
3rd Officer
Master
What is a "bouquet garni"?
A type of cocktail.
A bunch or sachet of herbs used to add flavour during cooking.
A bunch of flowers to add a pleasant smell to the galley.
A French dressing, added to meat after serving.
The charge air pressure supplied to a diesel engine, which is normally 2.0 bar, is reduced to 1.5 bar . What will be the likely effect on the engine operation?
The performance of the engine will be reduced noticeably.
The turbochargers cooling water flow will increase.
The performance of the engine will be similar to normal conditions.
The cylinder cooling water flow will increase.
What dangers are associated with the carriage of empty tank containers?
They may not declared as being empty when in fact they are not
They could easily collapse due to being empty
They may contain flammable cargo residue
They could explode if their vents are closed
What is a system employing a single common freshwater cooler (cooled by means of seawater) called?
High temperature freshwater system
Central cooling system
Common cooling system
Low temperature freshwater system
On a container vessel, what additional force must be considered when planning the lashings for containers stowed at the outboard part of the deck stow.
Lack of support from adjacent columns of containers.
The effect of green seas breaking over the containers.
The effect of wind on the containers.
The greatest transverse accelerations are experienced at the outboard sides.
A medium speed diesel engine which is supported on a steel chocking system has had repeated problems with two of the chocks at the end of the engine on the port side becoming slack. This has led to some fretting damage to the bedplate and tank top in that area. What action should be taken to affect a cost effective permanent repair?
Replace the damaged chocks with resin based chocks of an appropriate size.
Replace the complete steel chocking system with a resin based system.
Tighten the holding down bolts in that area to 150% recommended load to prevent further slackening and fretting.
Replace the complete steel chocking system with one using resilient mounts to accommodate movement and avoid further incidents of fretting.
How can the ship’s master prove that a vessel is British?
By showing survey certificates issued by Lloyds Register in London
By showing the ship-s register
By flying the Red Ensign
By showing a Certificate of Equivalent Competency issued by the MCA
How is positive stability maintained when loading heavy lift cargoes?
By completely filling the ship’s double bottom tanks and monitoring the loading operation
By monitoring the vessel’s stability during the loading operation
By completely filling those double bottom tanks associated with the cargo hold concerned
By listing the vessel to the opposite side to which the load is being lifted
What is this?
A hydrostatic release unit
A liferaft release unit
A slip hook
An antistatic release unit
"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 stowage factors should be taken into account when planning the loading of cars, in a pure car carrier?
Overhead clearances
The amount of dunnage to be used
Cargo characteristics
Longitudinal and athwartships distances between the cars
What are the requirements for heat exchangers that are used for heating the cargo during cargo handling operations on an LPG carrier?
The only requirement is that they must be designed and tested to tolerate minus 48 degrees C
They must be designed to withstand temperatures of minus 162 degrees C.
The only requirement is that they must be able to raise the cargo temperature to above 10 degrees C for transfer to shore storage tanks.
They must be designed to withstand the expected operating conditions with respect to pressure and temperature and the materials must be compatible with the cargo.
How often shall the inert gas scrubber be flushed with water?
Every hour
Before entering discharge port for inspection
After use
Once a year/18 months
The thermal conductance capability is expressed by a material's thermal conductance number and states the heat quantity. What is the denomination for heat quantity?
Enthalpy.
Joule.
Calorific value.
Watts.
What name is applied to foods that have been prepared according to Jewish law?
Roaster.
Israelish.
Mosher.
Kosher.
The coil of a 12V, 120mA dc relay must be connected across a 24V supply. What action should be taken?
Install a 100 ohm resistor in series with the coil
Install a 100 k ohm resistor in parallel with the coil
Install a 100 k ohm resistor in series with the coil
Install a 100 ohm resistor in parallel with the coil
What will happen when you start a centrifugal pump with the delivery valve closed?
The starting load on the motor will cause overload.
The pump will lose suction.
The delivery pressure will be large causing the relief valve to open.
The starting load on the motor will be minimum.
If the oxygen content in an enclosed space is less than 20% and a non-essential routine inspection of the space is due which of the following is the correct course of action?
Postpone the inspection until the correct oxygen content can be achieved.
Carry out the inspection as quickly as possible.
Wear breathing apparatus while carrying out the inspection.
Release oxygen into the space from an oxygen cylinder.
What is the optimum cargo lashing angle against sliding?
Around 20?
Around 25?
Around 30?
Around 35?
What can be measured by means of a manometer?
Strain
Temperature
Pressure
Motion
What prevents hatch cover panels from lifting in a seaway on a General Cargo vessel?
The hatch compression bars
The hatch cover hydraulic system
The hatch cover cleats and cross-wedges
The hatch cleats
Consider the situation sketched below. What can happen if the tugmaster is not careful?
The tug may be turned across your bow with the danger of being turned over.
The stern of the tug may be sucked into your bow.
The tug may be pushed away from the ship and thus unable to assist your vessel.
The tugmaster may loose control and ram your bow with possible damage to your ship.
Read the text in the diagram and answer this question: What should be given to prospective seafarers?
Approved training in survival techniques
Passport and visa
Recommendations
Survival and protective clothing
The bottom end bolts employed in 4 stroke diesel engines are usually given a finite life and must be replaced periodically. What would be the normal failure mode that would affect these bolts if they were not replaced as required?
Failure due to torsional stresses
Failure due to bending stresses
Failure due to fatigue stresses
Failure due to tensile stresses
What precautions should you take when washing down the galley area at the end of the working day?
All power to the galley range and other electrical equipment should be switched off and isolated; ensure you are suitably and safely dressed to avoid electrical, slipping and other hazards.
All electrical equipment should be switched on, to ensure it dries out quickly if it gets wet; remove your catering clothing, so that it does not get dirty and wet.
Wash only the deck, to avoid any risk of shock from electrical items, such as the range; wear shorts and rubber sandals ("flip-flops") to avoid transferring contaminants from your work clothes.
Cover all equipment and work benches with plastic sheeting; wash the galley deckhead, then work down the bulkheads and finally the deck, with fresh water above 65 degrees Celsius; wear heavy duty work clothes.
Chemical tankers of 20,000 tonnes DWT or above, with a keel laid on or after 1st July 1986, when carrying flammable products with a flashpoint not exceeding 60 degrees Celsius, such as those listed in chapters 17 and 18 of the International Bulk Chemical Code, are exempt from the requirement to be fitted with and use an inert gas plant provided certain conditions are met. Which of the following is a summary of those conditions?
The cargo tank does not exceed 1250 cubic metres capacity / each tank washing machine nozzle does not exceed 12.5 cubic metres per hour delivery rate / the total wash water input to the tank from all tank washing machines does not exceed 90 cubic metres per hour.
The cargo tank does not exceed 3000 cubic metres capacity / each tank washing machine nozzle does not exceed 17.5 cubic metres per hour delivery rate / the total wash water input to the tank from all tank washing machines does not exceed 110 cubic metres per hour.
The cargo tank is greater than 3000 cubic metres capacity / each tank washing machine nozzle is capable of delivering a minimum of 17.5 cubic metres per hour / the total wash water input to the tank from all tank washing machines must be at least 110 cubic metres per hour.
The cargo tank is greater than 1250 cubic metres capacity / the number of tank washing machines in use at any one time must be such that no more than 17.5 cubic metres per hour is delivered / the minimum quantity of wash water delivered in the washing operation must be greater than 110 cubic metres.
What is the mean of mean draught?
Forward mean draught + after mean draught divided by 2
6 (forward mean draught + after mean draught) divided by 8
Forward mean draught + after mean draught + midship mean draught divided by 2
Forward mean draught + after mean draught + midship mean draught divided by 6
Which item among those below is included in the normal equipment of every lifeboat ?
two buoyant rescue quoits with buoyant line
one immersion suit for each person
sea-charts and navigating equipment
a VHF transceiver
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.