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Maison Tests en ligne CES Gas tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Gas tanker vessel
Tests en ligne : Test online CES 5.1 for MASTER / Ch-Officer, Gas tanker vessel
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Le test consiste en des questions aléatoires sur un sujet sélectionné.
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The category of a DSC-call determines is:
how the rest of the call is to be composed
Don't know
the degree of priority
for whom the message is destined
A DSC distress alert is received. The message states that communication by radiotelex is preferred. One preferably uses:
FEC mode
ARQ mode
Don't know
SELFEC mode
Which of the following two digits codes is used to obtain maritime assistance ?
37
39
32
38
The MERSAR is:
a survey of vessels favourably located for possible rescue during SAR operations
a book of directions for search and rescue at sea
a fully automated system for mutual assistance and rescue of persons at sea
Don't know
" On area A4 the function "" Transmission of ship to shore distress alerts"" is mainly based on:"
the use of HF DSC and COSPAS SARSAT Epirbs
the use of HF DSC and INMARSAT Epirbs
the use of MF DSC and INMARSAT Epirbs
the use of VHF DSC and VHF Epirbs
One wishes to have a telephone conversation with a person whose name is known. This is what is called:
a personal call
Don't know
a direct call
a collect call
Due to exposure to heat fatigue, heat stroke and dehydration, what is the maximum recommended effective temperature (ET) for full work load in enclosed spaces?
27.5°C ET?
29.0°C ET?
30.5°C ET?
35.0°C ET?
You are on a vessel 15 nautical miles off the coast of Nigeria, West Africa. Are you allowed to dump food waste overboard?
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
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
Yes, all kind of food waste can be dumped overboard
In which areas is plastic material accepted for overboard disposal?
In coastal waters.
In specially designated areas (ref. MARPOL).
Not permissible any where.
100 n.m. from shore line.
How many annexes do we find in MARPOL 73/78 and what is the content of annex 1?
We find 4 annexes in MARPOL 73/78 and annex 1 regulations for the prevention of pollution by garbage
We find 5 annexes in MARPOL 73/78 and annex 1 is the regulations for the prevention of pollution by sewage
We find 1 annexes in MARPOL 73/78 and annex 1regulations for the prevention of pollution by chemicals.
We find 5 annexes in MARPOL 73/78 and annex 1 is the regulations for the prevention of pollution by oil
You are the Duty officer on vessel "A" in US Fairway waters. According to your radar observation you will pass tug "B" at which time you will be close to vessel "D". How will you make this situation safe?
By passing stern of "B" and "D"
By reducing your speed until vessel "D" is cleared
By steering outside the fairway.
Wait and see how the situation develops
What is the possible position of a ship in distress called?
D-Point
Zero-Point
S-Point
R-Point
Which of the following is the correct minimum carriage requirement for a ship of more than 300 gross tons and operating in area A:
1MF RT + DSC+ DSC watch receiver – 1 or 2 SART – 1 NAVTEX or 1 EGC receiver – 2 or 3 VHF portable – 1 EPIRB
1VHF RT + DSC+ DSC watch receiver – 1 or 2 SART – 1 NAVTEX or 1 EGC receiver – 2 or 3 VHF portable – 1 EPIRB – 1 MF RT + DSC+ DSC watch receiver
1VHF RT + DSC+ DSC watch receiver – 1 NAVTEX or 1 EGC receiver – 2 or 3 VHF portable – 1 EPIRB – 1 MF RT + DSC+ DSC watch receiver
1VHF RT + DSC+ DSC watch receiver – 1 or 2 SART – 1 NAVTEX or 1 EGC receiver – 1 INMARSAT A,B or C – 1 EPIRB – 1 MF RT + DSC+ DSC watch receiver
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
Define the class of emission H3E :
Radiotelex and DSC - Frequency shift keying of carrier with error correction
Radiotelephony - Single sideband full carrier
Radiotelex and DSC - Phase modulation
Radiotelephony - Single sideband suppressed carrier
The frequency 156,8 MHz is used for :
DSC calls
VHF channel 16
NAVTEX
SARSAT COSPAS EPIRBs
Give the meaning of the following symbol:
liferaft without canopy
embarkation ladder
evacuation slide
lower liferaft to water
*What is the minimum length of the buoyant lifeline that is fitted to a lifebuoy which is stowed at a distance of 10 metres above the waterline (light condition)?
10 metres
15 metres
30 metres
20 metres
What signal, if any, is specified in SOLAS as the "Abandon ship" signal?
Six short blasts followed by one long blast
Four long blasts
The "Abandon ship" signal is not specified, only the general emergency alarm signal is stated
Seven short blasts followed by one long blast
Which of the following fittings shall be provided to all lifeboats:
permanent boarding arrangements on both sides to enable persons in the water to board the lifeboat
a remotely operated steering arrangement
an electric power starting system for the propulsion engine with one rechargeable energy source
a manually controlled lamp fitted on the inside
Which one of the listed requirements regarding the stowage of lifeboats and liferafts do not correspond to present regulations? (SOLAS II/13.3 - 13.6)
Lifeboats shall be stowed attached to launching appliances
Liferafts intended for throw-overboard launching shall be stowed amidships secured to means for transfer to either side
Davit-launched liferafts shall be stowed within reach of the lifting hooks unless adequate means of transport is provided
Liferafts shall be so stowed as to permit manual release from their securing arrangements
Which of the following actions should be done before throwing this type of inflatable liferaft over the side?
Inflate it on deck and then launch it if clear below
Check that the painter is made fast to a secure point and that the sea below is clear
Take the top off the container to enable raft to inflate once in the water. If all clear, throw raft over side
Disconnect the painter and launch it, checking that all is clear below
Give the meaning of the following symbol
Survival craft portable radio
Survival craft distress pyrotechnic signals
Radar transponder
EPIRB
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.
What should each manufacturer of cargo tank coatings issue ?
A information guide stating type, when and how many microns of coating applied.
A resistance guide stating which chemicals are compatible with the coating.
A information guide stating how many microns of coating applied.
A resistance guide stating which poisonous vapours are compatible with the coating.
The "inner bottom" is the :
Compartment between the tank top and shell of the vessel
Tank top
Inner side of the vessel-s shell
Space between two transverse bottom frames
To accommodate expansion of piping on the deck of a chemical tanker the following are fitted:
Flanges on the pipes at frequent intervals?
Extra strong pipes that can withstand the forces of expansion?
Natural bends at intervals?
Expansion glands?
If your chemical tanker is equipped with high velocity venting valves, at what minimum height above the weather deck or catwalk should they be installed?
2.5 metres
6 metres
3 metres
4.5 metres
Which is the preferred method for starting an air conditioning refrigeration compressor which has been shut down for a period of time?
Start with all system valves fully opened.
Start with the discharge valve throttled in to prevent excess condenser pressure.
Start with suction valve throttled in to minimise risk of drawing liquid refrigerant into the compressor.
Start and stop repeatedly until suction pressure and oil pressure are normal.
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 should be clearly marked on the cowl ventilators of a General Cargo Vessel?
A serial number
The date when last painted
The Open and Closed positions with the last date of testing
The last internal inspection date
A bulk cargo vessel is found to be 4.0 centimetres over her maximum loadline draft after loading; what should be the actions of the master?
Record a lower draught and sail
There is not a problem as over loading is permitted
Order the pumping out of fresh water or ballast until the maximum allowed loadline is achieved.
Inform the port authorities and sail
What is the purpose of an expansion valve in a refrigeration system circuit?
To control the cooling water temperature through the condenser.
To control the cargo hold temperature.
To control the flow rate of liquid refrigerant to the evaporator.
To control the suction pressure at the compressor.
Training manuals for Life Saving Appliances and Fire Fighting systems and equipment shall be provided in crew mess room, recreation room or in each crew cabin. The training manuals shall explain the following in detail:
Emergency procedures including alarm signals, general instructions and safety practice onboard, specific information on equipment, operation of equipment
Manufacturer's specific information on equipment including maintenance procedures, operation of equipment
General Emergency procedures
Alarm signals and donning of lifjackets
There are many applications in circuit theory where it is important to obtain the maximum possible power that a given source can deliver. This figure consists of a practical voltage source V(g) with internal resistance R(s). What resistance R(L) will maximize the power transmission from the source to R(L)?
R(L) = R(s)
R(L) = 2 R(s)
R(L) = 0.5 R(s)
R(L) = R(s) / sqrt (3)
On the figure 4 possible definitions of the term "LENGHT OVERALL" are given. Which one is the correct one?
Lenght overall is given by C on the figure
Lenght overall is given by B on the figure
Lenght overall is given by A on the figure
Lenght overall is given by D on the figure
What do the shapes that this vessel is displaying tell us about here?
That she is restricted in her ability to manoeuvre and making way through the water. She is seen head-on, but we do not know her length.
That she is engaged in towing, but we do not know her length, or the length of her tow.
That she is not under command, but is still making way through the water. She is seen head-on, but we do not know her length, although it is probably over 50 metres.
That she is not under command and not making way through the water. She is seen head-on, but we do not know her length.
How are the officers informed of the ship's stability in damaged conditions?
By the Captain's instructions
By damage-control board on the bridge
By permanently exhibited damage control plans
By damage-control information included in the muster list
The chemical abbreviation "H2S" is often associated with Crude Oil cargoes. What does the abbreviation stand for?
Hydrogen Sour.
Hydrogen Separation - 2nd distillation stage.
Hydrogen Sulphide.
Halogenated Sulphide.
What is the time limit for abandonment of passenger ships?
There is no time limit
30 minutes from the time the abandon ship signal is given
2 hours from the time the abandon ship signal is given
15 minutes from the time the abandon ship signal is given
The diagram shows a thyristor (SCR) with a Resistor and Capacitor (R and C). The RC network shown, performs which of the following applications?
Divert fast voltage spikes which may lead to uncontrolled switch on.
Provide voltage smoothing for SCR power supply.
Assist SCR switch on.
Allow bypass route for ac signals.
What is required in accordance with IMO's requirements regarding cargo segregation?
No special requirements.
1valve
2 valves
3 valves
What do we mean with LEL when measure the atmosphere?
LEL is low level alarm
LEL is limit for level alarm
LEL is lowest temperature for ignitionLEL is limit for level alarm
LEL is lower explosive limit
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
The fuel injection timing of a diesel engine is delayed causing high cylinder exhaust gas temperatures. What is the likely effect of this condition on turbocharger operation?
Continuous surging of the turbocharger
Vibration of the turbocharger.
Decreased turbocharger revolutions
Increased turbocharger revolutions
What is the correct definition of: -boat drill?
Training in lifeboat handling.
To drill all boats.
To secure the boats.
To launch the boats.
Which of the following is a definition of the "Proper Shipping Name", as found in the IMDG Code?
The name to be used in any documentation relating to the transportation of the dangerous substance, material or article, such as on forms, labels and placards.
The correct chemical name of a potentially hazardous material, as identified from the Chemical Cargo List.
The name under which a dangerous material, substance or article is
What is mean by bulk Grain cargoes have a low angle of repose?
Likely to produce toxic gas
Always stable
Unlikely to shift
Liable to shift
What is the normally accepted maximum allowable filling limit for the cargo tanks on an LNG carrier?
100%.
90%.
95%.
98%.
Mention three ways of adjusting a centrifugal pump’s delivery capacity.
Throttling the delivery valve, throttling the suction valve, reduce the steam consumption.
Only throttling the suction valve.
Throttling the delivery valve, adjust the RPM, by-pass.
Throttling the suction valve, reduce the steam consumption, by-pass.
What is the correct name of the tool in the sketch?
Padlock
Monkey wrench
Chisel
Pliers
SOLAS reg II-2 and IMO MSC.1/Circ 1321 requires that cargo pump rooms on oil tankers shall be mechanically ventilated, using non-sparking suction type fans. What is the minimum number of changes of air per hour that a ventilation system must deliver?
At least 15 per hour.
At least 30 per hour.
At least 10 per hour.
At least 20 per hour.
During a visual inspection of a cargo of bananas a crewman notices that the fruit in one of the cartons is yellow. Select, from the options given, the best action to take in these circumstances.
Put the carton with any other similar cartons together in the cargo space.
Remove the carton from the cargo space if possible.
Move the carton to the battery room/cooler room.
It is not necessary to take any action as this is only one carton in amongst thousands of others so it won't make any difference.
Why is the inlet to the slop tank often directed towards the bulkhead (see the illustration) ?
None of the mentioned
To reduce the settling time
To avoid build-up of static electricity, which may cause explosion
To avoid too much agitation of the oily water in the tank
Anyone who violates the provisions of Norwegian law or the provisions of regulations laid down by virtue of Norwegian law, relating to contract of engagements and account book, to notification to, appearance before, or to the taking of evidence, shall be liable to????
Fines.
Imprisonment for a term not exceeding six months.
Imprisonment for a term not exceeding three months.
Fines or imprisonment for a term not exceeding three months.
What is the depth of an iceberg below the surface of the sea?
The draught of an iceberg varies with the type of berg and its age.
The depth of an iceberg below the surface is always about one sixth of its total depth.
The draught of an iceberg is normally about 3/4 of its total depth.
The draught of an iceberg is about the same as the visible part of the iceberg above the water.
Which factor influences the pumping capacity (flow) of a centrifugal pump the most?
Total pressure head
Liquid density
Suction pressure
Liquid temperature
Earlier cellular reefer vessels were constructed with a 'porthole system' for supplying refrigerated air via ducting to containers. Modern vessels are designed to supply only electrical power to integral containers. Select the main reason for this change in design to the vessels and containers from the options given.
A large amount of refrigerant gas was required to operate the 'porthole' system.
The introduction of more powerful diesel engines onto these vessels meant they had sufficient electrical capacity to supply the integral type containers.
Ducted containers had to be transhipped to their final destination after discharge and still required refrigeration for that part of the supply chain
The 'porthole' system design was extremely complex and construction costs were high.
On a RoRo vessel, what should you do if it is clear a RoRo cargo unit's content is not have properly secured
have the crew secure the content once the unit is in position
load the unit and let the duty officer know
Reject the unit and do not allow it to be loaded
You are on a chemical tanker, where the duty officer usually controls the opertaion of the pumps and valves from a control room. You are in radio contact with him. The ship has just started to discharge several grades of chemicals to shore. Suddenly, the jettyman shouts across to you to "STOP". Which of the following will you do?
Inform the jettyman that you will check with the duty officer first.
It is important to keep the cargo discharge going, so you will ask the duty officer to slow the pumps to minimum speed while you find out what is happening.
Immediately repeat the request on the radio to the duty officer, then proceed to the manifold and stand-by for further instructions.
Ignore him, because you take your instructions only from the duty officer.
Why are pure RoRo car carriers considered as being high risk design vessels where their stability is concerned.
Because they have few internal bulkheads
Because of the relatively small clearance between waterline and stern ramp sill when fully loaded
Because they can easily capsize if there is ingress of water or ballast operations are not handled correctly
A centrifugal pump is to be reassembled following overhaul and it is discovered that there are no spare gaskets for the pump housing. From the options given select the best alternative material to make a gasket from.
Reinforced pilot packing.
Cork gasket.
Thick rubber gasket.
Thick paper (chart paper).
How often shall abandon ship- and fire drills take place on board passenger ships?
Weekly
Bi-weekly
At least two abandon ship drills and one fire drill every month
Monthly
In the formula 0.9LBD (tonnes) for the amount of high density bulk cargo that can safely be loaded in a cargo hold, what is the value of ‘D’?
The summer load draught
The tropical load draught
Maximum depth of the cargo hold
Moulded depth of the cargo hold
You are on watch during a ship to ship petroleum cargo transfer operation. An electrical storm is observed in the close vicinity, approaching the ships' position. What is the recommended procedure?
Remove the deck scuppers in preparation for heavy rain.
Suspend all cargo transfer operations and close all tank openings and vents valves.
Maintain a close check on inert gas content in the tanks being worked on both vessels, but continue the cargo transfer.
Reduce cargo transfer rate to a minimum to reduce the rate of vapour expulsion from the venting system of the receiving vessel.
If a recipe requires that a dish be "poached", what does this mean?
Wrapped in foil and baked.
Cooked gently in a simmering liquid.
Lightly pan fried.
Turned frequently under a grill oven.
You notice the sump level in an engine has increased and no new oil has been added. What action would you take?
Reduced the load, and look after fuel or water leak.
Stop the engine and look for a fuel or water leak.
Drain some oil from the engine.
Leave it the same.
A High Breaking Capacity fuse found in a Main High Voltage Switchboard will have fault level rating of ?
4000A
400A
40 kA
40A
You are alongside and the hoses have been connected for discharge. The jetty-man shouts across to you, telling you to start cargo. The Duty Officer has not yet given you any instructions to commence. What will you do?
Open the valves and start discharge as soon as possible.
Advise the jetty-man that there is a problem on board and you will notify him when you are ready.
Ignore the jetty-man. Do nothing.
Advise the Duty Officer and await further instructions. Ask the jetty-man to stand by.
The compass binnacle on the ship has various specific functions, which of the following answers reflect its most important functions.
Provides a non-magnetic housing for the compass
All of the answers provided
Houses the soft iron correctors
Houses the corrective magnets
What are the lists called that give the position and task during a lifeboat drill for all persons on board the ship?
The Crew List
The Duty List
The Muster List
The Drill List
TAN, total acid number is the:
Total content of organic acids in the oil.
Total content of organic and inorganic acids in the oil.
Amount of remaining alkalinity in the oil.
Total content of inorganic acids in the oil.
What is the delivery pressure of a centrifugal pump dependent on?
The liquid-s density and delivery head.
The pipe resistance.
The net delivery heads.
The NPSH (Net positive suction head).
An engine room rating is assisting the duty engineer during a period of UMS operation. After completing the tasks they have been busy with the engineer and rating leave the engine room which is returned to UMS mode. The rating realises that an oil tank filling valve has been left open. What action should be taken?
Inform another crewmember that he is going back into the engine room to close the valve.
Inform the duty engineer immediately so that the engine room can be re-entered and the valve can be shut.
Just leave the valve open as it is unsafe to enter the engine room alone. The high alarm will sound to notify the engineer when the tank is full.
Re-enter the engine room straight away and shut the valve.
How can you best demonstrate in an audit that you follow company cargo handling procedures?
By providing a summary of out-turn figures for the auditor.
By requesting that an audit takes place during cargo operations.
By being able to provide comprehensive and verifiable documentary records of cargo operations.
By providing a summary of incident and lost time figures for the auditor that reflects a successful and trouble-free system on board.
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 name is applied to foods (in particular meat) that have been prepared according to the rules of Islam?
Kamal.
Hamal.
Tamal.
Halal.
Gases, including methane, cannot normally be liquefied using pressure alone once they are at or above a certain temperature. What is the term used for this temperature?
Flash point.
Auto liquid temperature.
Critical temperature.
Liquid temperature limit.
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.
The office phone, fax, telex and after office hours telephone numbers can be found in:
Vessel health, safety and environment manual
Radio log book
The Ship's emergency contingency manual
Vessel operation manual
In the diagram, which letter is indicating the position "MIDSHIPS"?
Midships is indicated by B, in the figure
Midships is indicated by D, in the figure
Midships is indicated by A, in the figure
Midships is indicated by C, in the figure
A high speed diesel engine has been subject to a major overspeed incident due to governor failure. During checks for damage it is found that some of the bottom end bolts have slackened off slightly. There appears to be no other damage to any of the bearings, the running gear or to the crankshaft. From the options given select the action to be taken before bringing the engine back into service.
Renew all of the bottom end bolts.
Retighten the bottom end bolts that were slack back to the recommended torque.
Renew all of the running gear for the engine including the crankshaft and bearings.
Renew all of the bottom end bolts that were found slack.
What is a Marine Evacuation System?
Helicopter evacuation
Assistance from other ships
Evacuation Chute(s)/Slide(s) and Liferafts
Liferafts supported by Fast Rescue Boats and Lifeboats
How would a ship drifting onto a rocky shore, be communicated?
"My ship is drifting into danger"
"My ship requires tug assistance"
"My ship is not under command"
"My ship is drifting"
What is very important to monitor when distributing cargo?
Only bending moments
You should always ensure the ship has sufficient stabilty at all times. Cargo shall preferably be distributed evenly to avoid heavy list/ trim
Shear forces and bending moments
Only shear forces
All liquefied gas carriers, including LNG carriers, must comply with the requirements of the IMO Gas Codes. Which certificate confirms compliance with the Gas Code requirements?
Cargo Ship Safety Equipment Certificate.
Cargo Ship Safety Construction Certificate.
Loadline Certificate.
Certificate of Fitness.
What is the main reason that passenger baggage creates problems for crowd control?
If passengers are already in muster stations, you will have to allow them to return to cabins to retrieve baggage.
Muster stations are crowded, and passenger baggage takes up space.
There isn't room in the life rafts, and crewmembers will have to tell passengers to leave baggage behind.
Passenger baggage clutters escape routes, and embarkation stations, and slows down an evacuation.
A diesel engine cylinder head is to be overhauled but the spring compressor for removing the valve collets is found to be damaged and unusable. How should the task be carried out by ship's engineers?
Use a couple of screwdrivers to compress the spring and lever out the collets as this will save time.
Use a ring spanner to press down on the spring guide and pick out the collet halves once they are free.
Delay the work until a new spring compressor is available or fabricate a suitable replacement onboard if the work is urgent.
Using a hammer and a tube with an inner diameter slightly bigger than the outer diameter of the collets repeatedly strike the upper spring carrier until the collets pop out.
Which component does this graphical symbol illustrate?
Level switch for centre-tank
Local level controller with indicator
Low carbon incinerator
Remote level controller with indicator
Give the meaning of the following symbol:
immersion suit
child's lifejacket
survival kit
lifejacket
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.