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Heim Online-Tests CES Chemical tanker Deck Support Test online CES 5.1 for Deck department, Support level, Chemical tanker vessel
Online-Test: Test online CES 5.1 for Deck department, Support level, Chemical tanker vessel
Online-Test
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The aim of fire detection is
to activate the alarm
all the answers are correct
to discover where a fire starts
to begin applying an emergency plan
A received DSC ‘distress alert’ contains the following information: “UNDESIGNATED DISTRESS” Of this distress case:
Don't know
time is unknown
the position is unknown
the nature of distress is unknown
The vessel is in a 360 degrees turn with engine full ahead. If the speed is reduced during the turn, will there be any change in the turning diameter?
Yes, the turning diameter will increase if the speed is reduced.
No, the turning diameter will only change if the rudder angle is reduced
Yes, the turning diameter will be smaller if the speed is reduced.
No, the turning diameter will not change if the speed is reduced.
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.
When we are using a diode to convert AC to DC, it is usually referred to as a
Regulator
Controller
Alternator
Rectifier
What is a Marine Evacuation System?
Assistance from other ships
Helicopter evacuation
Evacuation Chute(s)/Slide(s) and Liferafts
Liferafts supported by Fast Rescue Boats and Lifeboats
Are membrane tanks designed for carrying of gas of ambient temperature?
No, membrane tanks are normally designed for transport of fully refrigerated cargoes.
Yes, if tank fitted with primary- and secondary membranes.
Yes, if the membrane is more than 50 mm thick.
Yes, if the membrane tank is designed for high pressure.
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.
Is membrane tanks designed for carrying of ambient liquefied gases?
Yes if the vessel have cargo cooling plant
No, membrane tanks is normally designed for transport of fully refrigerated cargoes
Yes if the membrane tank is designed for high pressure
Yes if the membrane is more than 50mm thick
What does a ship’s angle of pitch vary with?
The ship's length
Propeller pitch
Sea state and wind force combined
The sea state
LNG is made up of a number of saturated hydrocarbons the greatest percentage of which is Methane. What are saturated hydrocarbons?
Saturated hydrocarbons contain atoms of hydrogen and carbon and also other elements such as chlorine.
Saturated hydrocarbons contain hydrogen and carbon atoms with single carbon to carbon bonds.
Saturated hydrocarbons are compounds of hydrogen and carbon which contain the maximum amount of water vapour.
Saturated hydrocarbons contain hydrogen and carbon atoms with double carbon to carbon bonds.
How do You want to operate the purifier to obtain the best separation result?
By high flow and low temperature.
Flow and temperature have no influence on the result.
By high flow and high temperature.
Separation with correct temperature and low flow rate.
To control bleeding, a tourniquet should be applied:
Only when all other means have failed
Whenever it is possible to stop bleeding
Only on Radio medical advice
Whenever you have to transport the casualty
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?
20 degrees
15 degrees
30 degrees
10 degrees
Choose the option which most accurately completes the following statement. The expansion tank in a closed cooling water system is designed to maintain a positive head on the system and also to……
Provide an air cushion
Reduce the water temperature
Reduce the water turbulence
Allow for changes in water volume due to temperature variation (expansion)
On a RoRo vessel, what standing instruction should be given to protect the Ramps when loading ro-ro units?
Damaged units should be rejected for loading
All ro-ro units must be thoroughly checked for damage prior to the loading ramp
Units whose weights exceed the ramp load density/SWL must not be loaded
In the event of a severe scavenge fire, which of the following is most likely to be seriously damaged?
Piston rod and stuffing box.
Exhaust valve.
Crosshead bearing.
Piston crown.
What are cargo residues considered as under MARPOL 73/78?
Marine Pollutants
Oily mixtures
Garbage
Wastes
During inspection of a cylinder of a large slow speed diesel engine it is noted that there are hard deposits around the upper part of the piston crown above the top ring groove and also some evidence of scuffing on the liner wall. From the options given select the one which is the most likely cause of this problem.
The piston cooling is inadequate causing overheating.
The fuel oil being used has too high a sulphur and ash content.
Insufficient cylinder oil is being supplied.
Cylinder oil with TBN to great for fuel grade is being used.
What pressure is present in the crankcase of a vapour compression refrigeration compressor?
The same as the discharge pressure.
The same as the atmospheric pressure.
The same as the lubricating oil pressure.
The same as the suction pressure.
A sudden or gradual increase of the chloride content in the freshwater cooling indicates:
Leakages from seawater coolers
Leakages from oil coolers
Exhaust leakage
Low concentration of corrosion inhibitors
What should be done after discharging coal with a high sulphur content from a bulk carrier?
Areas of corrosion in the cargo holds should be noted
An inspection of cargo hold areas prone to cracking should be carried out
An inspection of cargo hold areas prone to fatigue should be carried out
Cargo holds should be thoroughly washed and cleaned
What does MARVS mean on a cargo tank?
Maximum Allowed Relive Valve Setting.
Minimum Allowed Relive Valve Setting.
Maximum Recovery System.
Maximum ROB of Vapour.
What would be the most likely cause of a smell of "rotten eggs" in the upper casing of the engine room?
Fresh water evaparator malfunction.
Open or leaking acetylene bottle.
A leak of exhaust gas from a boiler or diesel engine exhaust.
Failure of the ship's refrigeration system.
What differential pressure would be acceptable as a normal value across a lubricating oil filter for a diesel engine?
3.0 Bar
Zero
0.2 Bar
1.2 Bar
A conventional reefer vessel operating a Controlled Atmosphere (CA) is approaching the port of discharge in Northern Europe. Which is the most suitable action to take from the options given?
Turn off the CA plant just prior to the start of discharge operations.
Continue to apply CA throughout the discharge to maintain the condition of the cargo.
Continue to apply CA until the hatches are opened to maintain the condition of the cargo.
Turn off the CA plant and thoroughly ventilate the cargo spaces under CA with fresh air just prior to arrival.
What temperature defines "hot" water in the context of tank washing on a chemical tanker?
A minimum of 10 degrees Celsius above the discharge temperature of the cargo.
At least 40 degrees Celsius.
At least 60 degrees Celsius.
At least 70 degrees Celsius.
What is the main use for polyurethane foam onboard an LNG carrier?
As a fire retardant coating for the deck.
As a fire fighting medium.
As insulation for the cargo tanks.
As a sealant for deck openings.
Why is an inertgas system required when COW is undertaken?
Safety purpose?
Improved outturn of cargo?
Less bildup of sediment in tanks?
Higher pumping flowrate?
Bulk Coal cargoes may produce methane and carbon monoxide gas; what are the main features of these two gasses?
Methane and carbon monoxide gasses are flammable and lighter than air
Methane and carbon monoxide gasses are non-flammable and lighter than air
Methane and carbon monoxide gasses are non flammable but toxic
Methane and carbon monoxide are heavier than air and flammable
What is the name given to the risk assessment programme developed by OCIMF, under which tankers are inspected and the results made available to potential charterers through a database of records?
The Enhanced Survey Programme.
The Ship Inspection Report Programme (SIRE).
The Tanker Inspection and Reporting System (TIRS).
The Chemical Distribution Institute (CDI) Inpsection programme.
What is the hydraulic hand pump usually used for?
The hydraulic hand pump is usually used as a converter for the grease nipples
The hydraulic hand pump is usually used to blow up the fitter
The hydraulic hand pump is usually used to slack the brake on the windlass
The hydraulic pump is usually used for tightening the G-nuts
What is normally meant by the term 'flammable range' in relation to liquefied gas cargoes carried at sea?
It is the maximum distance from a flammable mixture of the gas that an ignition source could be to still cause the mixture to ignite.
Range between the minimum and maximum concentrations of gas in air which form a flammable mixture.
It is the minimum distance from a burning mixture that other objects or personnel need to be to avoid being burnt.
It is the vertical height that the flames of the burning gas would reach in still air.
How many groups of cargo tanks do we have on gas carriers?
IMO divides cargo tanks on gas carriers into 2 groups: Integral tanks and independent tanks.
IMO divides cargo tanks on gas carriers into 2 groups: Spherical tanks and Cylinder tanks.
IMO divides cargo tanks on gas carriers into 4 groups: Spherical tanks, Cylinder tanks, Prismatic tanks and membrane tanks.
IMO divides cargo tanks on gas carriers into 4 groups: Integral tanks, Membrane tanks, Semi-membrane tanks and independent tanks
You are carrying a bulk cargo of Phosphoric Acid. Which components of the cargo pumps may be damaged as a result of discharging this particular cargo and why?
The cargo seals may be damaged from the abbrasive effect of any sediment.
The valves in the associated piping may be distorted by pressure surges created by cavitation as the acid is discharged.
The outer casing may be corroded by the unstable impurities within the acid.
The impeller veins may be damaged as a result of the relatively high density of the cargo if the pumps are run at too high a speed.
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
The figure shows the cross section of a ship floating in water with the hull coloured in red and the seabed below the vessel shaded. On this figure there are four (4) possible definitions of the term "UNDERKEEL CLEARANCE" given. Which one is the correct one?
Underkeel clearance is given by B on the figure
Underkeel clearance is given by D on the figure
Underkeel clearance is given by A on the figure
Underkeel clearance is given by C on the figure
What standing instruction should be given to prevent a possible blackout on board a ro-ro vessel?
To check with the duty engineer prior to switching on motors or other machinery that take a heavy load
To check with the duty engineer prior to taking steps in correcting the vessel’s list
To use minimum deck lighting at night
To switch off lights in idle cargo holds
What is the most important reason that personnel onboard an LNG carrier should become fully familiar with the vessel, the equipment and their duties as soon as possible?
So that in the event of an emergency appropriate action can be taken to limit damage and avoid injury.
To avoid any problems with shipboard operations and make sure the ship is not delayed on passage.
To keep handover times down to an absolute minimum to reduce costs.
So that cargo can be loaded and discharged as quickly as possible to reduce time in port.
Power is available at a three-phase motor starter but nothing happens (at starter or motor) when the start button is operated. Which of the following is a likely cause?
Open circuit in one of motor cables
Motor disconnected
Faulty overcurrent relay
Faulty contactor coil
What type of vessel is this?
Vessel not under command and not making way
Vessel at anchor carrying out special operations
Vessel aground
Deep draft vessel
How does the Master want the tug secured?
The Master wants to secure the tug using two backsprings
The Master wants to secure the tug using two breast lines
The Master wants to secure the tug using one head line and one stern line
The Master wants to secure the tug using two head lines
What extra precautions should be taken by the officers and crew if some of the passengers are disabled, i.e. using wheelchair, cane, blind etc.?
All passengers that will require extra assistance, also in case of an emergency situation/ evacuation, must be registered in order to allocate crew to assist them if needed.
Locate them in large cabins to ease their stay.
Passenger with some form for disability must travel with accompany, and live in same cabin or next door.
They must be placed in cabins on the same level as the muster station.
On a Container vessel, what is the function of a buttress?
To support the lowest tier of containers in a non-cellular cargo hold
When used at the base of container stacks its prevents the tank top plating from being pierced
To support container stacks in a non-cellular cargo hold
To support the lowest tier of containers in a con-bulker's cargo hold
What indicates the correct weight of a wrongly declared container?
The container CSC plate
The ship’s loading computer
Strain gauges fitted to the shore gantry cranes
The tare weight stamped on the container
A vessel such as a parcel chemical tanker, with an high inbuilt level of subdivision will typically not have a problem with which particular feature of stability which will need to be accounted for on other tankers that have large, unrestricted tanks?
Ability to maintain an effective trim throughout loading and discharge operations.
Wind Surface Area.
Free Surface Effect.
Expansion of cargo within tanks, due to cargo heating, with a consequent movement of overall Centre of Gravity.
Which of the following oil products is particularly associated with the danger of contracting leukaemia through exposure to its vapours?
Benzene
Octene
Xylene
Toluene
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 instrument air system is suffering from excess water carry over to the instrument air lines. The air intake to the compressor has very high humidity. Which of the actions given in the options will most likely result in reducing this problem?
Use an additional coalescer filter in the inlet to the instrument air filter system.
Shorten the time between automatic receiver drain blow downs.
Reduce the superheat setting on the instrument air refrigeration/dryer unit.
Increase the cooling water flow through the compressor intercooler and aftercooler.
In what kind of measuring equipment might we find a Bourdon-tube?
In a temperature transmitter.
In an A/D converter.
In a pressure transmitter.
In a flow metre.
When using a PID controller, which of the following parameter settings will not result in oscillation?
Temperature change
Too long D-time
Too high amplification
Too long I-time
Give the meaning of this symbol:
lifebuoy with light and line throwing appliance
lifebuoy with light and smoke
lifebuoy with light and hand flare
lifebuoy with automatic sound signal
You have just completed your tank cleaning programme for a set of tanks that previously contained Toluene. What will the main hazard be when you enter the tanks for mopping and inspection?
The lower part of the tank may still be wet and slippery. You may not be able to see this from the deck.
The atmosphere inside may contain insufficient oxygen to support life, or toxic vapours, or both.
There will commonly be insufficient natural light to safely descend the access ladder.
That there may hydrocarbons present on the bulkheads.
The exhaust gas temperatures of all cylinders of a diesel engine are seen to be high. Select, from the options given, the most likely cause of this.
Poor fuel oil quality.
High wear rate in one of the fuel injection pumps.
One of the fuel cams is worn.
Insufficient cooling of the main bearings.
This graphical symbol is a logic gate. Which gate?
AND
OR
NOR
NAND
On a Container vessel, why are twistlocks preferred as a means of securing containers compared to cone-based lashing systems?
Because cargo securing manuals do not allow for cone-based lashing systems
Because cone-based lashing systems are not type-approved by classification societies
Because cone-based lashing systems are more prone to failure than twistlocks
Because twistlocks provide uplift resistance as well as horizontal restraint, helping to prevent containers from falling overboard in heavy weather
How is body language generally communicated?
the tone of your voice
looking at someone directly in the eyes
touching other people
the way you stand, gesture, and walk
To what Proof Load is a 30T SWL derrick tested?
38T
35T
40T
33T
What is the advantage of a large ship?
The advantage of a large ship is that it contributes to safe transportation of goods
The advantage of a large ship is that it can cope with most emergency situations
The advantage of a large ship is that it can easily be manoeuvred
The advantage of a large ship is that it is economical to operate
When setting the tappet clearance (rocker arm clearance) on cylinder cover valves it is important that the engine is turned to the correct position. Select, from the options given, the engine correct position for this procedure.
Each cylinder in turn should be at top dead centre position when setting the valve clearances for that cylinder.
Number one cylinder should be at top dead centre position for setting the clearance for all of the valves on the engine.
The engine should be positioned so that the cam follower for the valve for which the clearance is being set is on the cam base circle.
The engine should be positioned so that the cam follower for the valve for which the clearance is being set is on the cam peak.
What is the most common method of connecting the manifold of an LNG carrier to the shore terminal pipelines?
By special sections of portable steel pipe.
By permanently fixed metal hard arms.
By composite hoses suspended from a boom with a swinging arm.
By flexible rubber hoses.
The vast majority of electrical instrumentation and testing equipment used onboard liquefied gas carriers is classes as intrinsically safe. What is the IMO Gas Codes' definition of intrinsically safe equipment?
Equipment which cannot become filled with a flammable mixture because the casing is completely gas tight.
Equipment which is filled with an inert gas which will prevent any internal ignition when in use.
Equipment which is incapable of releasing sufficient energy, during use or in specified fault condition, to cause ignition of a hazardous atmosphere.
Equipment which is designed to contain any flame which may develop due to internal ignition within the enclosure of the equipment.
What is the purpose of girders in the tank?
They support the stiffeners
They transfer all the sea forces acting on the plating
They transfer all the cargo forces acting on the plating
They support the stiffeners and also take up some of the sea forces
What is this?
A hydrostatic release unit
A liferaft release unit
A slip hook
An antistatic release unit
The typical “daylight-frequencies” for long distance transmission are located in the:
16 or 22 MHz-band
Don't know
8 or 12 MHz-band
4 or 6 MHz-band
Liquefied gas is, by IMO, divided into different groups. What is the criterion for this division?
The boiling point, chemical bindings, toxicity and flammability.
The gas pressure.
The hydrocarbon and nitrogen content.
The hydrate formation.
What is the advantage of a transmitter with a narrow measurement range?
Do not need any calibration
Easy installation
Lower purchase cost
Better linearity and increased accuracy
From where on board can you find out the different types of protection equipment regarding where placed, how much, how many etc.?
In cargo control room.
The ship’s safety plan
Stated in your cabin.
In the deck log book
How many portions of fruit and vegetables are recommended as part of the daily intake for an adult?
2.
10.
5.
Not more than 3.
A cargo of frozen tuna is being loaded onto a conventional reefer vessel. Without using a pulp thermometer, which of the given options would give an indication that the fish was in good condition.
The surface of the fish would feel hard to the touch.
The fish would sound solid and make a thump sound when dropped.
The surface of the fish would feel cold to the touch.
The fish would sound like wood when dropped or tapped with a hammer.
You enter a high voltage switchroom and smell rotten eggs. What may this indicate?
Problems with a vacuum circuit breaker
Arcing at badly coupled bus bars
Problems with a gas (SF6) circuit breaker
Burning of insulation
After the discharge of Lube Oils, Lube Oil Additives, Phthalates and Olefins and before the loading of "high-spec" cargoes on a chemical tanker, what particular test might be expected to produce unsatisfactory results during initial wall-wash analysis?
Odor.
Non-volatile matter.
Hydrocarbons.
Color.
When may watertight doors in watertight bulkheads in tweendeck cargo spaces be open on board passenger ships?
Daytime only
At any time if watched by an authorized person
In ports only
During cargo handling only
When considering instrumentation systems, what is a typical symptom of a fault with the span of an instrument?
100% output is accurate, but Zero-point is wrong
Zero-point is accurate, but 100% input is not giving 100% output
Zero-point and 100% are correct, but not at mid - range
Linearity problems
How would you report containers with dangerous goods lost overboard?
"My vessel has lost containers overboard"
"My vessel has lost containers with dangerous goods of IMDG Class….in position…."
"My vessel has lost containers with dangerous goods of IMDG Class…."
"My vessel has lost containers in position…."
Assign men to search men and women to search women unless a device such as a metal detector is used.
FALSE
.
TRUE
For what purpose is inert gas utilised on a gas tanker?
Inert gas is utilised on board gas carriers to neutralise atmosphere in hold/ interbarrier spaces
Inert gas is utilised on board gas carriers to held overpressure in cargo tanks when discharging
Inert gas is utilised on board gas carriers to neutralise atmosphere in cargo tanks, pipes and hold/ interbarrier spaces
Inert gas is utilised on board gas carriers to gas free cargo tanks
Where do you find detailed information and specific technical requirements for fire safety systems?
ISM Code
SOLAS
Safety Management System
Fire Safety Systems Code (FSS Code)
The sign on the image indicates:
This is the location where you should operate pyrotechnic equipment (Buoyant smoke signal, hand flares and rocket parachute flares) In case of an emergency
Location of lifebuoy with self-igniting light and self-activated smoke signal
Location where you should throw lifebuoys in case a man- over-board situation occurs.
Rescue zone
What does the term 'stoichiometric mixture' mean when used in relation to combustion of hydrocarbon fuels?
A ideal mixture of fuel and air in which all of the fuel in the mixture is consumed during combustion.
An ideal mixture of fuel and air in which all of the fuel in the mixture is consumed during combustion with a minimum of excess air.
An ideal mixture of fuel and air in which all of the fuel and oxygen in the mixture are consumed during combustion.
A ideal mixture of fuel and air in which all of the oxygen in the air in the mixture is consumed during combustion.
Which of the below structures of bulk carriers are considered critical?
Forecastle deck
Upper and lower connection of main side frames
Longitudinal deck plating outside hatches
The girders
What measures should be taken when handling mail?
Wear rubber gloves and protective clothing when opening suspicious looking mail.
Open any mail that looks suspicious.
Tear open letters with your hands.
X-ray or scan parcels before opening them.
Which would be the most suitable point in the system to obtain a representative of diesel engine lubricating oil for analysis?
From the lubricating system pipeline on the discharge side of the circulating pump.
From the lubricating oil filter drain.
From the lubricating oil cooler drain.
From the lubricating oil purifier outlet.
During inspection of the fan spaces an access hatch between the delivery and return side of the fan space is inadvertently left open. What would be the most likely consequence of this situaqtion?
Chilled air would short circuit from the return to the delivery air side.
The delivery air side would become overpressurised.
The fan speed would be affected.
Air would short circuit from the delivery to the return air side.
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
What is the meaning of the abbreviation PCB
Positive Colour Board
Printed Circuit Board
Power Control Bridge
Positive Current Biased
On a Bulk Carrier, what should be done if the cargo loading rate exceeds the ballast discharge rate thereby affecting hull stresses?
Notify the port state authority with whom the loading plan has been lodged
Notify the stevedoring foreman
Notify the terminal representative
Lodge note of protest with the terminal
When should gangway nets be rigged?
When it is deemed necessary by the Master or the Chief Officer.
Between sunset and sunrise.
Whenever the gangway is regarded as unsafe.
Whenever the gangway is rigged.
When a fire breaks out in the engine room, who is in charge of the fire fighting operations?
The engineer on duty
The Captain
The first person to arrive at the scene
The Chief Engineer
What is a hydrostatic release unit?
An important part connected to the sea-anchor.
A unit which automatically release all securing when abandon the vessel.
A unit which automatically releases the liferaft/lifeboat at a depth of approx 4 metres.
A unit for inflating the liferaft.
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