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Heim Online-Tests CES Gas tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Gas tanker vessel
Online-Test: Test online CES 5.1 for MASTER / Ch-Officer, Gas tanker vessel
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In a liquid fire the surface of which is about 100m?,
the radiated heat can spread to exposures placed 200m away
the radiated heat is lower than the conducted heat
the radiated heat can spread to exposures placed 100m away
Flames are usually higher than the diameter of the fire
Why do we have to have an International Shorecoupling onboard? To be able to ...
Connect the firelines ship/shore
Connect sloplines ship/shore
Connect the cargohoses to shore
Connect the bunkerhoses to ship/shore
The fixed-pressure water-spraying fire-extinguishing system nozzles must ensure an effective average distribution of water in machinery spaces of
10 l /m?/ min
5 l /m?/ min
20 l /m?/ min
12 l /m?/ min
*Which of the following instructions or information SHALL be contained in the Training Manual?
use of breathing apparatus
means of escape or escape routes
emergency repairs of fire-fighting equipment
use of communication equipment
You are on night time duty as navigating officer on a ship under way, when a fire in the crew's accommodation is reported. What is the first action you would take?
Sound the fire alarm signal
Send the seaman on watch down to inspect and report the situation
Call the Captain
Run to the scene as fast as possible and start fighting the fire by all available means
In which compartments are halogenated hydrocarbons not allowed as fire-extinguishing media? (SOLAS II-2/5.3.1)
Engine rooms
Cargo holds for passenger cars and other empty vehicles
Pump rooms
General cargo holds
What is the minimum number of fireman's outfits that must be provided on a tanker?
3
1
4
2
The main risk for people when using CO2 as an extinguishing agent in a closed space is:
Air suppression
Toxicity
Reduction of visibility
Low temperature at the nozzle
"C" class (fire) divisions, (SOLAS II-2/3.5)require to be:
Constructed of non-combustible material
Constructed by steel or equivalent material
Constructed of ignition resistant material
Constructed of low flame spread material
Instructions for "Preparation for welding or hot work in cargo tanks" is laid down by the Norwegian Maritime Directorate. Which of the following requirements regarding welding or hot work corresponds to these instructions?
An officer shall always attend the first entry after tank cleaning and gas freeing.
There shall be two stand by watchmen on the watch with walkie-talkie communication.
In case of hot work, the work party shall always consist of 3 men.
Before the tank is entered, lifeline, rescue harness and compressed air apparatus shall be ready at the relevant hatch.
Which one of the listed requirements regarding two-way radiotelephone apparatus for survival crafts do not correspond to present regulations?
When necessary the battery shall be brought to the fully charged position or changed
The apparatus shall be operated from a battery of adequate capacity to ensure operation for at least 4 hours
The apparatus shall be capable of being operated on VHF channel 16
While at sea, the equipment shall be maintained in satisfactory condition
What comprises an INMARSAT-C subscriber number?
Nine digits, beginning with the country code associated with the country in which the vessel is registered.
Nine digits, beginning with a three (3).
Nine digits, beginning with a four (4).
Seven digits, beginning with a one (1).
The time indication 171906z means in maritime radio communication:
1719 hours UTC on the 6th of the month
Don't know
1906 hours UTC on the 17th of the month
a and b are wrong because UTC must be GMT
A Cargo Ship Equipment Certificate will be issued for :
A period not exceeding 24 months
A period not exceeding 48 months
A period not exceeding 6 months
A period not exceeding 12 months
If you discover alcohol and drug abuse onboard, Whom do you report to?
The master.
Port authorities.
The manager.
Flag state authorities.
What is full form of VRP (OPA-90)
Vessel Report Plan
Vessel Response Procurement
Vessel Reporting Procedures
Vessel Response Plan
A diabetic has eaten too little food and the person may feel dizzy and lightheaded. The skin becomes pale, with profuse sweathing. Limbs may begin to tremble and pulse becomes rapid. The urine glucose reaction is negative. What kind of medicine will the person need as soon as possible?
Sugar lump, sugar drink or something sweet.
Nothing at all.
Insuline.
A glass of cold milk.
Which of the following requirements to ships stability for normal operation corresponds to present regulations? (NSCL 4/12.2)
Centre of gravity shall be calculated with an accurancy better than 5 percent.
The ship is loaded in such a manner that adequate stability is achieved in all loading condition.
I waters with the danger of icing, loading of deck cargo must be approved by competent authority.
Unless othereays stated in the approved stability calculation, the total weight of the deck cargo shall not exeed 50 metric tons.
It is important that the brake holding capacity of a self stowing winch drum should not exceed the breaking strength of the wire or rope wound onto it. A certain percentage of extra strength is therefore recommended for the wire or rope over the brake holding capacity of the winch. So, for a winch of brake holding capacity of 60 Tons you would order a wire of breaking strength:
75 Tons.
61 Tons.
80 Tons.
100 Tons.
You are sailing in shallow water with 15% Under Keel Clearance. Coming full astern from full ahead, how will your changed course compare to deep water?
Large change at first, then changing slightly
The heading will most likely change by a large amount
The heading will not change at all
The heading will change only slightly
You are a Senior Officer of the Watch on vessel "A" and are passing through the Straits of Gibraltar. The vessel's speed is 18 knots and your vessel is overtaking several other vessels, when the visibility reduces down to about 2 nm. What aspects would you consider when establishing a "safe speed" for your vessel?
Deciding safe speed consider: 2 miles visibility; traffic density; manoeuvrability of vessel; effectiveness of navigational equipment (ARPA etc); state of sea and currents and navigational hazards.
Adjust my track to follow Route 1 or 2 illustrated and reduce speed down to half speed, approximately 8 knots
Safe speed should be where the vessel can come to a stop within the visible range
A safe speed is where a vessel can take proper and effective action to avoid collision and be stopped within an appropriate distance
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
A ship equipped to sail in sea area A2 has at least:
A MF radio telephony installation and MF radiotelex installation
A HF radio telephony installation
A MF radiotelex installation
A MF radiotelephony installation
During duplex mode you are able to:
Not to interrupt
Interrupt
Talk to two stations simultaneously
Interrupt after releasing the PTT-switch
The different layers in the ionosphere, important for radio propagation, are effected by:
the weather-conditions
Don't know
the distance between the transmitter and the receiver
the sun
On board one can use the reflections in the ionosphere by the right choice of:
The time of transmission
The mode of transmission
The length of the aerial
The type of equipment
Which class of emission is used for VHF radio telephony transmissions ?
G3E
G2B
J2B
H3E
Which item among those below is included in the normal equipment of every rescue boat ?
a food ration for each person as described in SOLAS convention
sufficient buoyant oars or paddles provided with thole pins or crutches
anti-seasickness medicine sufficient for at least 48h and one seasickness bag for each person
one copy of the prescribed life saving signals on a waterproof card
*Give the meaning of the following symbol
Start air supply
Start air filling of the davit launched liferaft
Start air filling of the liferaft
Start ventilation of the rescue boat
What is the purpose of the deck water seal on the deck of an oil tanker?
To prevent the passage of petroleum gases back to the machinery spaces.
To automatically compensate for temporary fluctuations in inert gas pressure within the cargo spaces.
To provide a second washing cycle to inert gas.
To automatically adjust the inert gas flow.
During a Crude Oil Washing operation, if measurement of the atmosphere within the tank indicated that the oxygen level had risen to above 8%, what action would you take?
Stop the washing operation as you have reached the required level. Pump out the remaining oil and then wash the tank with water.
Contuinue washing, but increase the delivery rate from the IG generator.
Stop the washing operation and do not resume until a level of less than 8% oxygen content by volume has again been acvhieved.
Take no action. It only becomes a critical situation if a level of greater than 11% oxygen content is measured.
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
Which of the statements given in the options relating to LNG carriers is true?
LNG is normally carried in fully pressurised gas carriers.
LNG is always carried at very low temperature.
The size of an LNG carrier is limited to no greater than 50,000 m3 cargo capacity.
All LNG carriers are fitted with spherical tanks.
What would be a typical setting for the overspeed trip to operate and shut down the engine on a medium speed diesel engine?
1% above engine rated speed
25% above engine rated speed
15% above engine rated speed
5% above engine rated speed
What basic information do we get from the pump's flow-head curve?
We get information about the NPSH.
We get information about the pump-s lifting height and liquid flow.
We get information about the pump-s back pressure.
We get information about the pump-s suction head.
Why do we use oil free compressors on the cargo side in a cargo cooling plant?
We use oil free compressors in the cargo side to avoid oil spill into the cargo.
We use oil free compressors in the cargo side because they have less RPM than the oil lubricated compressors.
We do not use oil free compressors in the cargo side because the compressors need to be lubricated.
We use oil free compressors in the cargo side because the cargo is cold and to cool down the compressor.
What differences in design are there between a standard cargo hold and a cargo hold which can also be used for ballast on a Bulk Carrier?
There is no differences in design
This hold does not have ventilators
The coamings are much lower on the ballast hold
The ballast hold hatch cover must be fitted with additional securing devices
Which of the following cargo types could normally be stowed next to drums of cement on a General Cargo Vessel?
Pallets new clothing
Steel plates
Bagged rice
New motor cars
The temperature of the feed water for an auxiliary boiler is automatically controlled by a pneumatically actuated steam valve at the inlet to the pre-heater. It is noticed that during high demand the temperature falls by an unacceptable amount and takes a long time to return to the set temperature even though the steam supply pressure remains constant. Select from the options given the most likely cause of this.
The controller proportional band is set too wide.
The controller proportional band is set too wide and the reset time is set too long.
The controller reset time is set too long.
The control air pressure regulator is set too low.
In preparing a reefer vessel for loading the next cargo a careful inspection of the cargo spaces should be carried out. All required maintenance and the repair of any damage identified during the inspection should be completed prior to loading. Select, from the options given, the most appropriate action to be taken when the maintenance and any repairs are completed.
Keep a record of the hours worked as a basis for a claim against the previous charterers.
Make a detailed record of all maintenance and repairs carried out for presentation to the supervisor at the loading port as proof that the vessel is in an acceptable condition for loading the cargo.
Don't bother recording anything as this type of work is considered routine.
Keep a record of all the repairs in the planned maintenance schedule.
A cable has a resistance of 1 milli-ohm per metre. It supplies a 300A load over a distance of 100 metres. What is the voltage drop along it's length?
300 milli-volts
3.0 volts
30 volts
300 volts
What does crude oil consist of?
A natural mixture of carbon and sulphur isomers.
A mixture of carbon extracts and naturally occuring wax.
A natural mixture of simple and complex hydrocarbon compounds.
A refined blend of hydrocarbon compounds and sulphur extracts.
How should steel coils be loaded at the start of cargo operations on a General Cargo Vessel?
Across a cargo hold
From the centre of a cargo hold working towards the sides
From both sides of a cargo hold working towards the centre
From the centre of a cargo hold working towards one side then the other
Which of these statements about drug smugglers modes of operating is true?
An organized conspiracy usually smuggles a small amount of drugs.
"Drugs smuggled by an organized conspiracy are usually concealed in a primary ship system such as the engine room or in a tank, void or compartment."
Individual entrepreneurs usually smuggle large quantities of drugs.
Drugs hidden by individual entrepreneurs are usually difficult to detect.
How many rescue boats should be provided on ro-ro passenger ships of 500 gross tons and above?
None providing the ship has lifeboats
One Fast Rescue Boat
Two Fast Rescue Boats, one on each side of the ship
Two, and at least one of the rescue boats shall be a Fast Rescue Boat
Your vessel is a tanker in ballast and the two vessels are interlocked after collision. You have already made clear that all people are well taken care of and you will try to separate the two vessels. What should be your greatest concern?
That you have your permission from the company to do so.
The exact time of the collision.
If the vessels separate, the other vessel may run away and you will be the only one to blame.
That the separation may cause sparks that can possibly ignite the oil or any other flammable substances.
On a Container vessel, what facilitates the lashing of containers in the fourth and fifth tiers?
Long lashing rods with extensions
The lashing bridge
Long lashing rods
Raised deck platforms
If the general alarm is sounding and evacuation of the ship is required. What is the best way to ensure that all passengers are aware of the situation?
Use Public Address system to inform the passengers. Inform all passengers to report to designated area for head count.
Crew with designated emergency duties should proceed to the muster station to count all passengers in his section. If somebody is missing, report to their superior.
Inform the passengers through Public Address system. Crew with designated emergency duties should proceed to their cabin section and search all cabins. Guide and evacuate passengers. If the area is inaccessible report to their superior or the bridge.
Alarm signal and Public Address system will be effectively, including head count at muster point.
What is a Gangway?
A Gangway is an interval of time between a change of working gangs, on board
A Gangway is a portable means of access to a ship
A Gangway is an accommodation ladder
A Gangway is a temporary means of access into the cargo holds
A sudden or gradual decrease in the pH-value, or an increase of the sulfate content, in the cooling water may indicate:
Leakages from seawater coolers
Leakages from L.O. coolers.
Exhaust leakage
High concentration of corrosion inhibitors
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?
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.
Why could container lashings, secured to a lashing bridge, part during heavy weather?
Because container lashings are not designed for use in heavy weather
Because the hatch covers and lashing bridge could move, during heavy weather
Because the hatch covers could move during heavy weather, whereas the lashing bridge will not
When would the Chief Officer wish to consult the First Engineer?
The Chief Officer would wish to consult the First Engineer whenever a hydraulic tank need to be filled.
The Chief Officer would wish to consult the First Engineer on all matters related to pollution.
The Chief Officer would wish to consult the First Engineer when the cargo hold bilges are not emptying, despite the bilges being pumped out.
The Chief Officer would wish to consult the First Engineer when items of engine room machinery require maintenance.
Your vessel has a controllable pitch propeller. The engine can be started when the propeller pitch is:
25 % ahead
10 % ahead
25 % astern
Zero
What must be ensured at the commencement of cargo operations?
That the draught survey has been completed
That all fire dampers are closed
That all fire dampers are open
That CO2 gas lines to each cargo hold are clear
What type of ships are LNG carriers as designated in the IMO IGC code?
Type 2G ship.
Type 3G ship.
Type 1G ship.
Type 2PG ship.
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 does not apply to the carriage of timer deck cargoes?
The International Tonnage Convention
The Code of Safe Practice for Stowage and Securing of Cargoes
The International Convention on Loadlines
SOLAS 74/78
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.
Radio frequency signals can carry information from one place to another if they are modulated. There are several ways to modulate a carrier. Which modulating method is illustrated here?
Frequency modulation (FM)
Pulse-code modulation (PCM)
Amplitude modulation (AM)
Pulse-width modulation (PWM)
Which of the following cargoes will easily tip over in heavy weather?
Flatbed trailers carrying transformers
Road tank containers
Palletised cargoes
Transformers and machinery shipped in high wooden crates
Some large slow speed diesel engines have jack bolt arrangements for retaining the main bearing top keep in place rather than the more conventional stud bolts. How does this arrangement affect the maintenance and checking procedures for the tie rods on the engine?
It has no effect since the tie rods and jacking bolts have completely separate functions.
The tie rods should be fully tensioned before the jacking bolts are loaded to avoid overload of the bearing caps and frame structure.
The tie rods and jacking bolts must be tightened simultaneously to avoid excess load on either component.
The jacking bolts should be fully loaded before the tie rods are tensioned to avoid excess loads on the tie rods.
When planning bunkering operations it is preferable to arrange for the new fuel to be bunkered into empty or nearly empty tanks whenever possible. What is the main reason for this?
To minimise the risk of microbial contamination of the fuel.
To make it easier to calculate the quantity of fueltaken onboard.
To minimise the risk of incompatibility between different fuels.
So that the sulphur content of each fuel is known.
A consignment of steel drums containing IMDG Class 8 cargo are about to be loaded in the hold of a General Cargo vessel; a number of drums are leaking slightly, what action should be taken?
The cargo consignment not be loaded at present; the Chief Officer must be informed and make final decision if the cargo is to rejected
The cargo must be stowed under deck
The drums can still be loaded provided that they are only loaded on deck
The cargo cannot be rejected and must be loaded
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.?
Passenger with some form for disability must travel with accompany, and live in same cabin or next door.
Locate them in large cabins to ease their stay.
They must be placed in cabins on the same level as the muster station.
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.
What would the Chief Officer require prior to the vessel's departure from the berth?
Prior to the vessel's departure from the berth, the Chief Officer would require the anchor to be thoroughly secured
Prior to the vessel's departure from the berth, the Chief Officer would require the crew to prepare for the voyage
Prior to the vessel's departure from the berth, the Chief Officer would require the Bo's'un to oil the moving parts of the windlass
Prior to the vessel's departure from the berth, the Chief Officer would require the windlass to be covered
What kinds of checks must be carried out on slings, wires and other items of lifting equipment before they are used in routine operations?
They must be tested under load, to ensure they can bear the planned weight.
They must be visually inspected to ensure that the ID and SWL marks are clearly legible.
They do not need to be checked. They are checked under the vessel's planned maintenance system every 12 months.
They must be visually inspected and ascertained, so far as is possible, as being in good working order and fit for purpose.
What can be done to minimize the reduction of GM due to free surface?
Close all watertight doors.
Reduce the number of slack tanks.
Load liquids into only one tank at a time
Load fluids only into tanks with transverse subdivision bulkheads
In a low pressure auxiliary boiler, if after testing the water, You found the P. alkalinity to be 50 PPM CaCO3, what action would You take?
Increase dosage.
Blow down the boiler and reduce dosage.
Do nothing.
Reduce dosage.
A ship has an electrical system rated at 690 Volts. Which voltage level is this?
Medium voltage.
Low voltage.
High voltage.
Intermediate voltage.
Which ideal heat engine cycle is the vapour-compression refrigeration system based on?
The Otto cycle.
The Rankine cycle.
The Dual cycle
The reversed Carnot cycle.
Many liquefied gas carriers are fitted with inert gas generators to supply inert gas to ensure the atmospheres of various onboard spaces are non-flammable. How is cargo vapour from these spaces prevented from back-flowing into the inert gas generator and creating an explosion risk?
The deck IG main is always manually blanked off when the IG system is not running.
There are at least two mechanical non-return devices fitted to the deck IG main.
There is always a deck water seal fitted to the IG main.
The pressure at the generator outlet is always greater than that of the IG main.
What paint coating should be used in a cargo hold of a bulk carrier, when the hold may be used for the carriage of grains?
Any paint type can used in these spaces
Paint must be epoxy based
Approved for use in cargo spaces that may carry edible cargoes
Cargo spaces must not be painted
Which vitamin is found only in meat and fish?
Antwort
TBN - total base number from a lube oil test, indicates the:
Amount of organic acids in the oil.
Amount of contaminants in the lubricating oil.
Alkalinity of the lubricating oil.
Flash point.
Which of the International Maritime Organisation (IMO) Codes contains information regarding the Construction and Equipment of Ships carrying Liquefied Gas in Bulk?
In the IBC Code.
In the IGC Code.
In the IMSBC Code.
In the IMDG Code.
What is the meaning of the term purification?
Separation of solid contaminants from a liquid.
Cleaning a liquid.
Separation of two insoluble liquids with different densities, and at the same time removing of solids.
Operation as the 2.nd separator in a serial system.
How might a leak from a cargo tank on an oil tanker be readily detected during the voyage?
By regularly monitoring the vessel's trim on the cargo computer - any cargo that leaks will run to the end of a compartment, resulting in an increase in trim.
By occasionally opening a selected tank and manually measuring the cargo ullage, then comparing it to the 'after loading' reading.
By regularly monitoring void and ballast spaces, such as by testing them for hydrocarbon content and sounding them.
By frequently monitoring cargo level equipment readouts and comparing them to the load port departure readings.
We say the centrifugal pump cavitates when:?
When the liquid accelerates from the suction side.
When the NPSH is variable.
A reduction of the flow.
We have negative pressure on the inlet side of the pump.
What is the purpose of Material Safety Data Sheets?
To provide all personnel including emergency personnel with procedures for handling or working with that substance in a safe manner
To provide personnel in deck- and engine department with procedures for handling or working with that substance in a safe manner
To provide the safety officer with procedures for handling or working with that substance in a safe manner
To determine if the substance is flammable or not
What is the disadvantage of using High Tensile Steel (HTS) in ship construction?
Failure without warning
Enhanced vibration in HTS areas
Low elasticity
Diminished cargo carrying capacity
Where will you normally find the ship's documents including Crew Passports and CDC on board a vessel?
On the bridge
Ship's Office
Telly clerk room
Master's cabin
What should be done prior to loading cotton?
The cargo hold fire-fighting system should be thoroughly examined
Tank tops should be sheathed
The holds should be inspected for signs of previous cargo residues
The cargo hold ventilation system should be thoroughly examined
According to the IAMSAR Manual, what is the expected survival time for a person in water of 4-10 degrees Celsius, without special protective clothing?
Less than 12 hours.
Less than 3 hours.
Less than 1 hour.
Less than 6 hours.
What do you understand by the term "luffing"?
The raising or lowering of a crane jib, moving the head of the crane and therefore a suspended load horizontally towards or away from the crane.
The combined movement of hoisting a load and slewing the crane, employed when lifting a load from a dockside over and into a ship's hold, or vica versa.
The initial phase of hoisting a load, where the crane wire and structure takes the weight of a suspended load.
The rotating of a ship's jib in a circular movement about the crane.
Many chemical tankers are fitted with deepwell centrifugal cargo pumps. What is the process by which any leakage of cargo or hydraulic oil into the pump cofferdam is detected?
Proving.
Stripping.
Purging.
Purifying.
What is the best method for ensuring that the cylinder powers of a high speed diesel engine, fitted with a monoblock multi-cylinder fuel pump, are correctly balanced?
Measure the maximum pressure of each cylinder to check that they are equal.
Take a set of indicator cards using a mechanical indicator and calculate the cylinder powers.
Check the exhaust temperatures on each cylinder to see if they are equal.
Have the fuel pump phased and calibrated in a test workshop.
During a pre-loading survey prior to loading grain on a Bulk Carrier, very small amount of the previous grain cargo is found in a cargo hold; what is the significance of this situation?
The cargo hold can be cleaned while other holds are loaded
The affected cargo hold should be left empty
The vessel may fail the pre-load survey and be declared off-hire
The remaining cargo from the previous voyage can be ignored
Which is the "LENGTH OVERALL", in the figure?
Length Overall is indicated by C, in the figure
Length Overall is indicated by D, in the figure
Length Overall is indicated by B, in the figure
Length Overall is indicated by A, in the figure
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