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Maison Tests en ligne CES Chemical tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Chemical tanker vessel
Tests en ligne : Test online CES 5.1 for MASTER / Ch-Officer, Chemical tanker vessel
Test en ligne
Description
Le test consiste en des questions aléatoires sur un sujet sélectionné.
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Which one of the listed requirements regarding the launching and recovery arrangements for survival crafts corresponds to present SOLAS regulations?
Launching and recovery arrangements shall be such that the operator at all times can observe the survival craft and lifeboats.
Means shall be available to prevent any discharge of water on to survival crafts during abandonment.
Each lifeboat shall be provided with separate appliances which is capable of launching and recovering the lifeboat.
Different type of launching and recovery arrangements shall be used for similar survival crafts on board the ship.
On an "Unattended Machinery Space" classed vessel, the high pressure fuel pipes are double pipes, or covered with steel shrouds, with drainage. What is the main purpose of this protection?
In case of a bursting pipe, to avoid oil spray hitting adjacent hot surfaces or coming into machinery air intakes
To prevent personnel from touching high temperature surfaces
To collect minor oil leakage
To protect the pipes against mechanical damage
*What precautions are necessary to prevent soot fires in the exhaust boiler ?
Hose down the smoke side at regular interval
Clean the smoke side regularly with soot blower equipment
Clean the smoke side with chemicals
All the mentioned alternatives
In pumprooms and pipe tunnels "flameproof" electric light fittings are generally fitted. This means that:
Gas may enter, but even if an explosion takes place the fittings is so strong that the explosion will be contained within it and will not be blow out?
Even if fire occurs, it will not consume the fitting?
The electrical supply will disconnect automatically in cases of fire?
The fitting is completely gastight and no gas can enter into contact with the bulb and electric connections?
*How long does it take for a fixed low expansion foam fire-extinguishing system of an engine room to discharge a 15 cm thick layer of foam on the largest single area over which oil fuel is liable to spread?
Less than 10 min
you cannot find such a system in the engine room
Less than 2 min
Less than 5 min
Non distress calls on 2182 kHz and VHF channel 16 should not exceed:
One minute.
Two minutes.
Five minutes.
Three minutes.
On board a DSC-call is to be made in case of an OBS. Choose the category:
ship’s business
routine
safety
Don't know
The “squelch” adjustment on the front panel of a mariphone serves to:
adjust the transmitting power of the mariphone
Don't know
adjust the noise threshold of the mariphone receiver
limit the noise of the mariphone transmitter
wire antenna of 12 metres long is probably:
Don't know
a MF/HF-antenna
a VHS-antenna
an Inmarsad-antenna
You are on a 10.000 ton Chemical Tanker that in addition to fixed foam monitors, is equipped with portable foam applicators. One of the applicators is lost. When ordering a new one you would order one with:
A throughput of at least 100 litters a minute and a "throw" of 10 metres?
A throughput of at least 20 litters a minute and a "throw" of 5 metres?
A throughput of at least 250 litters a minute and a "throw" of 12 metres?
A throughput of at least 400 litters a minute and a "throw" of 15 metres?
What is NOT a precaution to be taken when topping off?
Reduce the loading rate.
Maintain communications with the dock man.
Notify the engine room of the procedure.
Give the operation your undivided attention.
Considering the range of sensitive liquid chemicals which routinely require wall-wash prior to loading, what product is mainly used as the rinsing agent in wall-washing?
Water.
Iso-propanol.
Industrial Ethanol.
Methanol.
SOLAS regulations require surveys of ships to be carried out at certain times and at certain intervals. Which of the following surveys apply to passenger ships only?
A survey before the commence of each voyage
Periodical survey every 6 months
Periodical survey every 12 months
Periodical survey every 24 months
Who is responsible that regulatory working hours are not exceeded?
The individual person.
The safety officer.
The master and department heads.
The bosun and the second engineer.
If you use chemicals for cleaning up an oil-spill on the water, what would the chemicals do?
Absorb the oil for easy removal
Remove the oil from the water
Contain the oil within a small area
Disperse or dissolve the oil into the water
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
Your ship is approaching the berth as illustrated and has a right handed propeller and no thrusters. What could be a method to retain full control of the vessel as it comes alongside?
Reduce speed by going astern on the engines.
Let go port anchor to about 1 shackles on deck
Full starboard rudder and stop engines
Let go starboard anchor to about 1 shackle on deck
In the situation shown, the bow of your ship is pushed away from the bank. How can you handle this?
Give hard port rudder to get the ship back in the middle of the channel
Give starboard rudder in order to balance the force of the bank effect and rudder effect
Put your engine full astern to stop your ship
Do nothing as the ship will handle itself
In shallow water a ship will experience "Squat". What are the principle reasons creating the effects of squat?
There are changes in the bow and stern pressure fields associated with the ships motion.
There is an increase in the water velocity and a decrease of water pressure around the ship's hull
There is a decrease in the water velocity and an increased of water pressure around the ship's hull
There is an increased effect of gravity due to closeness of the sea-bed
A ship is not turning around the center of gravity, but another point. What is the point called?
Point of radius
Pivot point
Point of turning
Point of no return
The ship has completed a 360 degree turn at full speed in deep water. The ship is now to repeat the turn at full speed in shallow water. What will be the difference in the turning circle diameter?
The turning diameter will be smaller in shallow water
The turning diameter will be the same for all depths
The turning diameter will be increased in shallow water
It will be the same provided the UKC is 25%-50%
If a shipping company wants to be attractive to clients, it must be able to provide?
Provide efficient and reliable service
Safe operation
Provide minimum loss
On schedule operations
What document gives permission to have the on board transmitting equipment?
Don't know
operating certificate
safety certificate
a license
The mode J2B is used:
For radiotelex-traffic in the MF/HF band between the ship and shore stations
For telephone traffic in the MF/HF bands between ship and shore stations
In public broadcasting
For urgent message transmitting and receiving
A frequency is measured in :
Metres
Hertz
Micro-seconds
Seconds
Which class of emission is used for VHF DSC transmissions ?
G3E
F1B
J3E
J2B
Which of the following frequency bands would most likely provide reliable communications between two stations that are 100 miles apart?
The Medium Frequency (MF) band.
The Very High Frequency (VHF) band.
The Low Frequency (LF) band.
The High Frequency (HF) band.
What is a "Rescue Unit" (RU)?
A unit ready for search and rescue operations at sea at any time of the day.
A unit specializing in search and rescue operations at sea.
A unit composed of trained personnel suitable equipped for expeditious search and rescue operations.
A permanently manned rescue vessel.
What is the meaning of this symbol ?
Secure hatches
Start air supply
Fasten seat belts
Release falls
An immersion suit will not sustain burning or continue melting after being totally enveloped in a fire for a period of:
20 sec
10 sec
1min
2 sec
Which one of the listed requirements regarding life-jackets corresponds to present SOLAS regulations ? A life-jacket shall be so constructed that:
it can be correctly donned within 3 minutes without assistance
it gives a long term thermal protection
it allows the wearer to jump from any height without injury and without damaging the life-jacket
it allows the wearer to jump from height of at least 4.5 m into the water without injury and without damaging the life-jacket
Which one of the listed requirements regarding thermal protective aids do not correspond to present regulations? The thermal protective aids shall:
permit the wearer to swim a short distance through the water and board a survival craft
cover the whole body except the face of a person wearing a lifejacket
permit the wearer to remove it in water in not more than two minutes
be unpacked and easily donned in a survival craft without assistance
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 item among those below is included in the normal equipment of every liferaft ?
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
one boat-hook
instructions on how to survive
Having boarded the liferaft, how do you release the painter?
Cut it with the safety knife stowed on the exterior of the canopy close to the painter attachment point
Cut it with the axe provided
Wait for it to break as it is provided with a weak link
Let go the quick release toggle
*Give the meaning of the following symbol
Secure liferaft canopy closing device
Secure hatches
Open hatches
Secure doors in the ship's side plating
*Which of following items shall be included in an abandon ship drill?
summoning of passengers and crew to muster stations with the alarm required
Checking the lifeboat provisions and supplies
Checking passenger's immersion suits
Checking the distress signal rockets and other distress signals
How should the spare oxygen and acetylene gas welding bottles be stored onboard the ship?
In a refrigerated room.
In two separate rooms outside the engine room space.
In the workshop in the engine room as close as possible to welding equipment.
In the steering flat.
What is the deck water seal of the inert gas system's purpose ?
Acts as an emergency shutdown when inlet pressures exceed the safe working pressure
Prevents the backflow of inert gasses into nonhazardous areas
Relieves sudden large overpressures in the system
Cools the inert gas and prevents soot from entering the cargo tanks
A triac is used to provide temperature control of an oven. The galley complain that the oven only reaches approximately 50% of demanded temperature. Which of the following is a likely cause?
The voltage supply to the oven controller is reduced by about 50%
Connection between the demand knob and the triac gate terminal has gone open circuit.
One of the main switching elements in the triac has failed.
The triac has completely failed.
When we are using a diode to convert AC to DC, it is usually referred to as a
Regulator
Controller
Alternator
Rectifier
What action should be taken if the inert gas plant fails during discharge of a liquefied gas cargo?
Slow down the discharge rate until the IG plant is working again.
Open the atmospheric vents to prevent a vacuum in the cargo tanks.
Stop all cargo operations and inform the terminal.
Open the vapour return line from shore to prevent a vacuum in the cargo tanks.
What will alarm cargo receivers to the possibility of cargo damage on a Bulk Carrier?
Commencing discharge without presentation of bills) of lading
Disallowing cargo interests on board
Commencing discharge in the absence of a cargo surveyor
The presence of hatch cover sealing tapes
To get the best possible efficiency from refrigerator evaporators, the superheat should be regulated to?
0- 1 Degr. C.
40 - 50 Degr. C.
5 - 10 Degr. C.
25 - 30 Degr. C.
What name is given to an appetizer, served before a meal, usually being small, attractive, savoury snacks, designed to stimulate the appetite?
Hors d'oeuvre.
Order.
Hors de manger.
Hors de combat.
A slow speed diesel engine is fitted with a slow turning facility. How would the slow turning normally be set to operate?
It should be manually operated before the normal start sequence following an engine stopped period of more than 10 minutes.
It should automatically operate before the normal start sequence following an engine stopped period of more than 20 to 30 minutes when manoeuvring.
It should automatically operate before every normal start sequence.
It should automatically operate every 20 minutes when the engine is stopped during manoeuvring.
A conventional reefer vessel is carrying a cargo of chilled palletised fruit. During a period of bad weather some of the bottom cartons on a pallet have compressed causing the pallet to distort, resulting in the cargo leaning to one side. Which of the options given is the safest way to discharge the cargo from the affected pallet?
Place the pallet in a lifting cage and lift it slowly.
Break the pallet down and re-stow the cartons so that the pallet is stable and then lift it in the normal way.
Place the pallet in the centre of a three point A-frame and lift it carefully.
Lift the pallet with cargo strops and have all personnel stand well clear.
What should you do if you are in the engine room and the alarm for "CO2 release into the engine room" sounds?
Leave the engine room immediately.
Start the fire pump.
Wait to make sure that the CO2-system is discharging into the engine room before leaving.
Immediately go for the nearest fire extinguisher.
What action should be taken if machinery does not function properly?
If machinery does not function properly, its condition should be noted and plans for further action developed together with the Chief Engineer
If machinery does not function properly, the operational parameteres should be verified and the machinery stopped
If machinery does not function properly, it should be serviced immediately
If machinery does not function properly, the Chief Engineer should be consulted
What is "UNDER KEEL CLEARANCE", in the figure?
Under Keel Clearance is indicated by C, in the figure
Under Keel Clearance is indicated by A, in the figure
Under Keel Clearance is indicated by D, in the figure
Under Keel Clearance is indicated by B, in the figure
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
A routine inspection of a hold space on a liquefied gas carrier is necessary. Checks of the atmosphere indicate that there is only 19.5% oxygen content. Which of the following actions is recommended?
Postpone the inspection and continue ventilating until an oxygen reading of 21% is achieved.
Carry on with the inspection as normal since 19.5% oxygen content is sufficient for breathing.
Ensure all persons entering the space for the inspection wear self contained breathing apparatus.
Ensure the inspection is carried out quickly in case the oxygen content reduces any further.
Prior to arrival at a US port from a foreign port, the USCG requires:
24 hour notice of arrival
48 hours notice of arrival
96 hours notice of arrival
72 hours notice of arrival
What has the cadet been ordered to do?
The Cadet has been ordered to to dismantle the evaporator
The Cadet has been ordered to test the steering gear
The Cadet has been ordered to help the Bo's'un sandblast the poop deck
The Cadet has been ordered to paint the evaporator using a paint brush
One or more pressure/vacuum-breaking devices shall be provided on the vent mains to prevent the cargo tanks from being subject to a positive and negative pressure. What is the normal pre-set point for negative pressure?
A negative pressure in excess of 500 mm water gauge.
A negative pressure in excess of 200 mm water gauge.
Depending on the test pressure of the cargo tank.
A negative pressure in excess of 700 mm water gauge.
This circuit is widely used for rectification of AC into DC. Which of the diagrams is correct for the out- put voltage when the input voltage is sine-shaped as shown?
Figure 3
Figure 1
Figure 2
Figure 4
Polymerisation may be a problem with some liquefied gas cargoes such as vinyl chloride and ethylene oxide. What is the definition of polymerisation?
Polymerisation is when liquids cool down and become more viscous.
Polymerisation is when single molecules of the same compound join together to form a new compound usually with a higher viscosity.
Polymerisation is when the molecules of a compound split and form a new compound.
Polymerisation is when molecules of two or more different compounds join together to form a new compound.
What is a deck lift vehicle?
This is another term for a portable vehicle deck
A portable deck used to raise or lower vehicles
A vehicle used to raise or lower portable decks
A vehicle used to raise or lower decks on which vehicles are stowed
What is ‘Standardized Cargo’?
Palletised cargo
Cargo for which the ship is provided with an approved securing system
Cargo that is shipped in standard dimensions
Breakbulk cargo
What is the function of the ESD on a gas carrier?
The function of the ESD is to close loading valves, switch of power to cargo compressors and pumps
The function of the ESD is to start cargo compressors or pumps
The function of the ESD is to close loading valves, switch of power to cargo compressors
The function of the ESD is to switch of power to cargo compressors and pumps
The threads on the drain plug for the bronze end cover of a sea water cooled heat exchanger have been badly damaged during maintenance. There is no spare brass plug available. What is the best solution for repairing the heat exchanger?
Use a steel plug with the same thread as the original to replace it.
Wrap the threads in thread tape and coat it with jointing compound before refitting it.
Hammer in a wooden tapered plug as a temporary repair.
Make a new brass plug on the lathe to fit the drain hole.
Many lamb product cargoes are carried at sea. Most of these are temperature sensitive. Which is the odd one out from the options given?
Tallow.
Carcass lamb.
Lamb offal products.
Chilled lamb.
The range of a transducer is 0-200 bar. The standard output signal is 4-20 mA. What is the output signal when the process value is 100 bar.
24 mA
4 mA
10 mA
12 mA
Emergency instructions in appropriate languages shall be posted in passenger cabins. Which information shall as a minimum be included in the emergency instructions?
Where to find thermal protective aids
Name of cabin attendant
Escape routes and alarm signals
The method of donning life-jackets, escape routes and alarm signals
You are alongisde, port side to, about to commence loading several grades of chemicals. The Duty Officer instructs you over the walkie-talkie to proceed to the port manifold and open the valve to 4 port line. When you get there, there is no hose connected to that line. What will you do?
Take a look at the starboard manifold. There is a hose loop between 4 port and 4 starboard lines. Assume the Duty officer must have meant this side and open 4 port line on this manifold.
Open the valve to 4 port line as instructed.
Although there is no hose connected to 4 port line, there is one connected to 3 port line. Assume the Duty Officer must have meant this line and open this valve instead.
Report the situation back to the Duty Officer. Request clarification and confirmation of the instruction.
Furniture in stairways and corridors shall be kept to a minimum on board passenger ships, why?
Escape routes must be clear of obstructions and also due to fire protection
It is not allowed to sit in stairways and corridors
Due to fire protection
Passengers will most probably sleep in stairways and corridors if they are furnished
Some refrigerated cargoes can be more easily damaged than others due to rough handling. From the options given, select the cargo which is most likely to be damaged due to the use of poor handling techniques.
Potatoes in paper sacks.
Frozen beef in cartons.
Chilled plums in cartons.
Chilled meat in cartons.
In oil cargo quantity calculations, a specific figure derived from historical analysis of discrepancies between ship and shore figures is often considered when the master is comparing a load total against that shown on the Bill of Lading for the current operation. How is this figure referred to?
Vessel Discrepancy Index.
Vessel Experience Factor.
Ship's Calculation Reference Factor.
Intermediate Comparison Figure.
A consequence of operating a centrifugal pump with the discharge valve closed would be:
Relief valve will open
Pump will overheat
Motor will overheat
Motor overload will open
s
g
d
j
f
Why are all passenger ships divided into vertical ’zones’?
Vertical zones are separated with fire doors which will be closed automatically when the fire alarm start.
All vertical zones are separated with watertight doors, which will be closed in the case of a grounding, etc.
Vertical zones are fire zones which can be divided from each other with fire doors. In case of fire, all fire doors in front and aft of the fire will be closed to prevent spreading of smoke/fire.
There is one fire team in each zone.
What should you know about the emergency stops on deck?
Where they are located and how to operate them.
How to disconnect or over-ride them for routine work.
I do not need to know anything about the emergency stops. It's only the officers who operate them.
Where the re-sets are and how to re-set them.
Which of the following has the highest diffusion resistance?
Stationary air.
Glass:
Mineral wool.
Freon 22.
When operating a propulsion installation consisting of medium speed diesel engines driving a controllable pitch propeller it is possible to operate the combination of engine speed and propeller pitch in a number of different ways. What would be the main reason for operating with constant speed and variable pitch?
To allow the engine to be operated with a load sensing governor instead of a speed sensing governor.
To allow rapid load change and thrust reversal when manoeuvring.
To obtain maximum propeller efficiency over the load range of the engine.
To allow constant speed operation of a shaft generator while the engine load changes with pitch variation.
On a RoRo vessel, what is the Maximum Securing Load of single use wire ropes?
65% of the breaking strength
80% of the breaking strength
75% of the breaking strength
Hydrocarbons belongs to a chemical group named:?
Alkanes
Organic substances.
Carbohydrates.
Alkenes
What is understood by the term "Dew point" of the air?
The temperature at which condensation in the air forms into water droplets.
The temperature of the water vapour in a cloud.
The "Dew Point" is the point at the centre of an Anticyclone
All of the suggested answers
Reefer vessels form part of the 'cold chain' in the transport of perishable goods from the producer to the consumer. There are times when hatches have to remain open in less than perfect conditions, for example strong winds. There are steps that can be taken however to mitigate the effects of this on cargo that has already been loaded. Which of the options given could be considered to be the most important measure to counter the effect of such conditions?
Run the cargo fans continuously during cargo operations.
Refrain from ventilating the cargo with fresh air.
Reduce the air delivery temperature.
Cover the stow with a Tenasco (heavy plastic) sheet where possible to protect it from the wind.
What are the duties of the watch-keeping engineer?
The duties of the watch-keeping engineer are to keep constant surveillance of machinery and auxiliary systems and to inspection the steering gear at least once a watch
The duties of the watch-keeping engineer are to maintain the required ship's speed
The duties of the watch-keeping engineer are to ensure that the machinery spaces are properly manned
The duties of the watch-keeping engineer are to keep constant surveillance of the steering gear and hydraulic system
Which of the following statements is correct with respect to IMDG cargo, loaded on a General cargo vessel, that is also classed as a Marine Pollutant
This cargo can only be loaded under deck
This cargo can only be loaded on deck
Cargo must be loaded in a protected location and preferably under deck if IMDG Code allows
Cargo of this type can be loaded anywhere on board the vessel
Which of the following is false when a casualty is bleeding?
Encourage patient to lie quite and re-assure
Treat for the shock
Control bleeding
Cover the wound with a cloth
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.
For what could a ro-ro vessel be held responsible by a port authority?
Vehicle emissions
Stevedore damages to vehicles
Ramp damage to the jetty
Visitors not wearing appropriate identification
On a Container vessel, what are the vertical corner structures of a container called?
Corner fittings
Casting posts
Corner posts
Corner pillars
At what interval does the IMO adopt an amendment to the IMDG Code?
Every five years
Every year
Every two years
Every six months
What are the duties of the engineer officer in charge of the watch?
To carry out inspections of the steering gear at least once a watch.
To keep constant surveillance of machinery and auxiliary systems.
To ensure that the machinery spaces are properly manned.
To take appropriate actions to maintain the speed required.
Why should vehicles stowed on ramps face downwards?
To facilitate cargo discharge operations
To facilitate cargo stowage operations
To prevent fuel draining from the engine
To prevent excessive tyre compression
On the figure 4 possible definitions of the term "FORWARD BREAST LINE" are given. Which one is the correct one?
Forward breast line is given by C on the figure
Forward breast line is given by D on the figure
Forward breast line is given by A on the figure
Forward breast line is given by B on the figure
What will occur within the cargo tank if Crude Oil Washing is undertaken with oil containing a substantial amount of water?
It will be impossible to separate the oil and water at a later stage
Ther will be inadequate drainage due to emulsification
An electrically charged mist may be generated
It will assist in the cleaning of the tank
On the figure there are four (4) possible definitions of the term "MIDSHIPS" given. Which one is the correct one?
Midships is given by C on the figure
Midships is given by A on the figure
Midships is given by B on the figure
Midships is given by D on the figure
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.