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Онлайн-тестування: Test online CES 5.1 for Engine department, Support level
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Regular ‘updating’ of a vessel’s position in an Inmarsat-C installation is among other things of importance:
to exclusively receive MSI-reports meant for the NAVAREA where the vessel is
because the Inmarsat organisation, in connection with the good reception of MSI-reports, makes it……
because MSI-reports for own vessel can't be received otherwise
Don't know
The ship has a single fixed pitch right-handed propeller and is going astern as illustrated. What is the most likely way the ship will react in these circumstances?
The bow will "seek" the wind and the ship will swing to port
The stern will "back" into the wind and the ship's heading will swing to starboard.
The stern will fall off to starboard, making the heading swing to port.
The ship will go straight astern and the heading will remain approximately the same
A tug is connected in a line at your bow. Will the bollard pull be the same at any speed?
Yes, the bollard is the same at any speed
No, when the speed exceeds 5 knots we have not much help in a tug
No, when the speed is increasing, the bollard is also increasing
We will have the best use of the tug when the ship makes sternway
Sea area A4 is in maritime radio traffic a sea area:
Don't know
with the exception of sea areas A1,A2 and A3, within the range of Inmarsat-satellites, where continuous alarm is available
within VHF-radiotelephony-range of a coast station or coastguard station, where continuous DSC-alarm is available
outside the sea areas A1, A2 and A3
In the case when the temperature of the ambient air is equal to 10°C and the wind is blowing at a speed of 10m/sec the shipwrecked person must consider that the effect of air on his body is equivalent to that of an air whose temperature would be approximately:
+10°C
+20°C
0°C
-10°C
On the figure 4 possible definitions of the term "FAIRLEAD" are given. Which one is the correct one?
Fairlead is given by B on the figure
Fairlead is given by D on the figure
Fairlead is given by C on the figure
Fairlead is given by A on the figure
What effect would turbulent fluid flow through a heat exchanger have on the efficiency of the heat transfer?
Turbulent fluid flow generally reduces heat transfer efficiency
Heat transfer efficiency is not affected by the type of fluid flow through the heat exchanger.
Turbulent fluid flow generally increases heat transfer efficiency.
It cannot be determined since it is not possible to generate turbulent fluid flow through a heat exchanger?
Every passenger ship is required to carry:
A rescue boat capable of being launched by the assigned crew in 5 minutes
A fast rescue boat capable of being launched when ship is still making headway
A fast rescue boat capable of being lowered when the ship is at anchor
There is no requirement of any rescue boat
In oil tanker operations, what is understood by the term "Load On Top"?
Loading part of an oil cargo in one port, then loading the same type of cargo "on top" in a subsequent port.
Loading a new compatible cargo "on top" of the oil and water residues from a previous cargo in the sloptanks
Loading an oil cargo into the tanks tanks through hoses inserted through the tank hatches and lashed in position
Loading part of an oil cargo in one port, then loading a different type of cargo "on top" in the next loadport
Passenger ships have a normal requirement of 1 lifejacket per person + 10% for children. In addition to this, how many lifejackets have to be stowed in conspicuous places on deck or at the muster stations?
10% extra
25% extra
5% extra
50% extra
To minimise the risk of damage what type of tools should be used to clean boiler burner tips?
Brass tools.
Steel tools.
Wooden tools
Any kind of tools that are available.
Which device does this graphical symbol illustrate?
Inverter
Rectifier
Pressure to current converter.
Differential pressure transmitter
A transformer with 10:1 turns ratio and rated 50 kVA, 2400/240 Volts, 60 Hz, is used to step down the voltage to a distribution system. The low tension voltage is to be kept constant at 240 Volts. What load impedance connected to the low-tension side will cause the transformer to be fully loaded?
1.15 Ohms
230 Ohms
115 Ohms
2.3 Ohms
Which of the following food types or food components listed below is considered to be dangerous to health if consumed on a regular basis?
Soft fruit.
Root vegetables.
Moderate volumes of fibre.
High levels of sodium.
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?
15 degrees
10 degrees
20 degrees
30 degrees
What is shown in the image?
A hatch compression bar is shown in the image
A hatch cleat is shown in the image
A hatch wedge is shown in the image
A hatch locking bar is shown in the image
What is a Marine Evacuation System?
Liferafts supported by Fast Rescue Boats and Lifeboats
Evacuation Chute(s)/Slide(s) and Liferafts
Helicopter evacuation
Assistance from other ships
If all indications are that a cargo has been received without damages, irregularities or short shipment and the phrase "apparent good order and condition" are entered on the Bill of Lading, what type of Bill is this said to be?
A clean Billl of Lading.
An endorsed Bill of Lading.
A Due Title Bill of Lading.
A Bill of Lading completed for shipment.
What is the typical composition of liquified natural gas, LNG?
Mainly Butane, but with small percentages of heavier hydrocarbons such as ethane, propane, methane and pentane.
Mainly Pentane, but with small percentages of heavier hydrocarbons such as ethane, propane, butane and methane.
Mainly Methane, but with small percentages of heavier hydrocarbons such as ethane, propane, butane and pentane.
Mainly Ethane, but with small percentages of heavier hydrocarbons such as methane, propane, butane and pentane.
What is one way to try to overcome people's fears about loved ones?
Inform them about the nature of the emergency.
Prevent them from looking for their loved ones.
Assure them that the crew is sweeping the entire ship for passengers.
Give them a lifejacket to put on.
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.
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.
What height of water above the inner bottom will activate the cargo hold high level alarm
Not more than 2.5m
Not more than 2.2m
Not more than 2.0m
Not more than 2.8m
How many separate means of escape from passengers and crew spaces should it be in each zone?
One
Two
Three
Four
What medium is used to calibrate the ODME?
Fresh water.
Gasoline.
Sea water.
Crude oil.
Which types of compressors are used as cargo compressors onboard gas carriers?
One, two and three stage piston compressors.
One, two and three stage screw compressors.
Oil free screw and piston compressors.
Piston, screw and centrifugal type compressors.
When measuring level of liquids with a differential pressure meter, the name of the sensing device is:
Pressure diaphragm
Float
Positive displacement tube
Capacitance probe
What weakens a twistlock?
Lack of grease
Pitting
An oversized cone
A bent handle
Can slop tanks be used for the carriage of oil and are they therefore included in the total cargo capacity of an oil tanker?
Slop tanks may be used for the carriage of oil when not being used for the carriage of slops and are included in the total cargo capacity of the vessel.
Slop tanks may only be used for the carriage of oil on clean ballast tankers and are only included in the total cargo capacity of this type of vessel.
Slop tanks may only be used for the carriage of oil cargo by agreement between the shipper, receiver and charterer. They are not normally included in the total cargo capacity of the vessel.
Slop tanks may not be used for the carriage of oil cargo under any circumstances and are not included in the total cargo capacity of the vessel.
What is the purpose of the ship/shore safety check list?
To ensure the safety of the personnel.
To ensure the safety of personnel, ship and terminal.
To ensure the ship is safe moored.
To avoid the avoidance of cargo contamination.
What type of heat exchanger is shown?
Evaporative
Bundle and stack
Plate
Shell and tube
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.
What is the output shown on the "Rate of Turn" display fitted on the bridge?
The Rate of Turn indicator shows the rudder angle applied by the helmsman to turn the ship.
The Rate of Turn display shows the turning speed the vessel is swinging in degrees per second
The Rate of Turn indicator shows the changing angle of the vessel from the meridian
The Rate of Turn indicator displays the rate the ship is swinging in degrees per minute
What is the main fixed fire-fighting system on a car deck?
Water sprinkling
Halon
CO2
Dry powder
When small amounts of cleaning additives (detergent products) are added to water in order to facilitate the washing of tanks which previously contained liquid chemicals, what conditions apply?
No conditions apply provided not more than 200 litres per 1000 cubic metres of tank volume is used in any one washing operation.
The discharge shall be governed by the provisions of Annex I or II, which would apply to the additive had it been carried as cargo. Tank washing procedures involving the use of such additives shall be set out in the Procedures and Arrangements Manual and approved by the vessel's Flag State Administration.
If the additive contains Pollution category "X" products and more than 200 litres is used in the washing operation for a single cargo tank, then a prewash to shore must be carried out.
No additives containing Pollution Category "X" components shall be used, except those components that are readily biodegradable and present in a total concentration of of less than 10% of the cleaning additive. No restrictions additional to those applicable to the tank due to the previous cargo shall apply.
Which factor influences the pumping capacity (flow) of a centrifugal pump the most?
Total pressure head
Liquid density
Suction pressure
Liquid temperature
What is the meaning of the term "Make Fast", when mooring the ship?
Make Fast means to coil up a rope
Make Fast means to avoid eating all meals during the daylight hours.
Make Fast means to act very quickly
Make Fast means secure the ropes to the bits
Drip trays are provided in way of the cargo manifold on the vast majority of LNG carriers. What is the main purpose of having this drip tray?
To minimise cargo losses during disconnection of hard arms at completion of loading and discharging.
To allow blanking plates and fastenings to be stored ready for fitting after disconnection of hard arms.
To minimise the risk of pollution in the event of a minor spillage during disconnection of hard arms.
To minimise the risk of extremely cold cargo from spilling onto the deck, which may damage the ship's structure, when disconnecting hard arms.
How is a steel locking coil lashed?
By metal banding passing over it and through each of the cores of the two coils on which it rests
By metal banding passing over its top in a figure-of-eight and through each of the cores of the two coils on which it rests
By metal banding passing over it across the entire hold
By metal banding passing through its core and through each of the cores of the two coils on which it rests
At what temperature do we take the Reid Vapour Pressure test?
We take the Reid Vapour Pressure (RVP) test at the temperature of 100 C.
We take the Reid Vapour Pressure (RVP) test at the temperature of 60.0 C.
We take the Reid Vapour Pressure (RVP) test at the temperature of 38.7 C.
We take the Reid Vapour Pressure (RVP) test at the temperature of 37.8 C.
You are assigned to accompany a cargo surveyor during tank inspection. A wall-wash is to take place in tank 3 centre. As the surveyor is preparing his equipment for this, you observe that a drop of sweat falls onto the funnel. What will you do?
Draw the surveyor's attention to it. Take note that he thoroughly cleans the funnel with the wall-wash solvent before collecting the laboratory sample. Report the matter to the Duty officer.
Ask the surveyor to wait in the tank alone while you take the funnel up to the accommodation and rinse it in clean, fresh water.
Immediately instruct the surveyor to leave the tank and collect a substitute set of equipment.
Nothing. The odd drop of sweat will not usually make any difference.
What is the requirement with regard to Familiarisation on board?
During the first tenure, seafarers are responsible for asking at least a 100 questions to the Safety Officer.
Seafarers, on being assigned to any ship, shall be familiarized with their specific duties and with all ship arrangements, installations, equipment, procedures and ship characteristics that are relevant to their routine or emergency duties.
Seafarers shall be familiarized with all life saving appliances and emergency exits in case any emergency situation occurs. It takes normally an hour to complete the Safety Familiarisation. The safety Officer is responsible.
Seafarers on board passenger vessels must as soon as possible learn the names of all persons working in the same department in order to ensure efficient daily operation.
Which of the following areas may be possible restricted areas? (Review all answers)
The Cargo control room
The Bridge
All alternatives
The Engine control room
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
The holding down arrangement for a large 2-stroke diesel engine consists of steel chocks and hydraulically tightened holding down bolts. When carrying out routine maintenance of the arrangement which method, from those given in the options, should be adopted to check that it is in good order.
Measure the length of the holding down bolts to make sure they have the correct extension for the recommended tension.
Tap the holding down bolts with a hammer to see if they 'ring'.
Tap the steel chocks with a hammer to see if they move.
Check the hydraulic release pressure for the holding down bolts.
Who is responsible for the safe keeping of the ship's documents?
Chief Officer
Chief Engineer
3rd Officer
Master
How can the effects of ‘lateral drag’ be reduced when loading heavy machinery?
By using a shore crane
By a quick loading operation
By listing the vessel to counter the loading operation
By a controlled and very slow loading operation
A steam generating tube in a boiler is found to be badly sagged but not ruptured. Select, from the options given, the most suitable action to be followed in order to operate the boiler.
Plug both ends of the tube and drill a hole in the body of the tube.
As long as the tube is not ruptured the boiler can be operated normally.
Plug both ends of the tube.
Heat the tube up with a gas torch and return it to its original shape and position.
A very sensitive and valuable commodity is loaded into refrigerated container which is more than 12 years old. The container has been 'pre-tripped' with all routine maintenance having been carried out to the refrigeration plant and sensors with parts being replaced as necessary and all functions appear normal. Which aspect of using this container is most likely to cause problems during the voyage?
Degradation of the insulation due to the age of the container leading to excess heat transfer through the walls.
The accuracy of the control system of the refrigeration plant.
The age of the refrigeration plant.
The type of gas used in the refrigeration plant.
What is the purpose of "Glycol Water Heating"?
The system heats glycol water which is pumped around cofferdam system to maintain the temperature inside those spaces, when loaded, at approximately - 5 C.
The system heats glycol water which is pumped around cofferdam system to maintain the temperature inside those spaces, when loaded, at approximately +25 C.
The system heats glycol water which is pumped around cofferdam system to maintain the temperature inside those spaces, when loaded, at approximately +15 C.
The system heats glycol water which is pumped around cofferdam system to maintain the temperature inside those spaces, when loaded, at approximately +5 C.
"…a ship… …intended to transport products with appreciably severe environmental and safety hazards which require significant preventative measures to preclude escape of such cargo. Usually the ship is of double-hull construction, with a variety of tank sizes / capacities." What is this the definition of?
A chemical tanker for the purposes of the 1996 IMO directive MEPC/2.12 circ. on "Mandatory Reporting Requirements for Ships Carrying Dangerous or Polluting Goods".
A type I chemical tanker as per the IBC Code.
A type II chemical tanker, as per the IBC Code.
A parcel chemical tanker as per the IACS Construction Regulations.
A U tube manometer is used to measure the pressure delivered by a ventilation fan. Following replacement of the fan by a larger unit with a higher delivery rate and pressure the liquid is blown out of the open end of the manometer. Which of the options given will allow the manometer to be used to measure the delivery pressure of the larger fan?
Connect the open end to the inlet trunking of the fan to measure the differential pressure rather than the delivery pressure.
Refill the manometer with a reduced the amount of liquid.
Refill the manometer with liquid with a higher density.
Refill the manometer with liquid with a higher viscosity
Which preparations and precautions are necessary before "hot work" commences onboard ship?
Just inform the Chief Engineer that the work is going to be carried out
Sound the general alarm before commencing work.
Notify all persons onboard at least 24 hours in advance of the work commencing.
Follow all ISM procedures relating to hot work including permit to work and hotwork permit requirements.
On the figure 4 possible definitions of the term "ABEAM" are shown. Which one is the correct one?
Abeam is defined as B on the figure
Abeam is defined as C on the figure
Abeam is defined as A on the figure
Abeam is defined as D on the figure
You are commencing the loading of a cargo of Caustic Soda solution to several tanks. What precautionary measures will you take to avoid pressure shocks within the pipeline system?
The jettyman must be advised to watch for signals as you start receiving product, in case he needs to shut down in a hurry.
All valves in the system will be fully opened before cargo is allowed to flow.
Valves will be opened in a controlled manner and loading will be started slowly, increasing only when the correct flow of cargo has been verified and product has reached all required areas of pipeline.
Vants from all cargo tanks must be verified as fully open, to allow any air in the lines and tanks to escape, thereby avoiding any build-up of pressure.
The centre cargo tanks on your ship are made of stainless steel, while the wing tanks are made of mild steel with a zinc coating. Your ship is to load some Sulphuric Acid. Which tanks will it be loaded in?
It can not be loaded into any of the tanks on the ship.
Only the stainless steel centre tanks.
Only the zinc coated wing tanks.
Both the stainless steel centre tanks and the zinc coated wing tanks.
By what means can we monitor and control the integrity of the hull?
Documented operating procedures
The chief officer is responsible for monitoring the integrity of the hull and superstructure at all times
Let experienced personnel close and secure doors and ramps
Automatic detection systems, television surveillance and patrolling of ro-ro cargo spaces
The cargo tank pressure reading for a refrigerated cargo of propane is higher than the saturated vapour pressure for the cargo temperature. e.g. an absolute pressure of 1.5 bar at minus 43 degrees C. If the cargo tank had been cleaned before loading the cargo what is the likely cause of this condition?
The cargo tank insulation is damaged.
Some inert gas or nitrogen remained in the tank after gassing up.
The cargo has been loaded too quickly.
There is too much cargo vapour in the tank.
Clay slurry, coal slurry, dextrose solution and molasses. In which MARPOL product category are these substances classified under the revision that came into effect on 1st January 2007?
"Y"
"Z"
"OS" (Other substances)
"X"
The electric motor on one of your centrifugal pumps has for a period of time gradually been running at lower and lower Amp-load. The pump is still supplying water, but the pressure is reduced. Which of the below alternatives is probably the reason?
The pump is running at lower speed due to short circuit in the electric motor.
Inner diameter of impeller is bigger due to cavitations, or outer diameter reduced by erosion.
The pump has been more effective because the suction strainer has been removed.
The pump has suction from many places at the same time.
Which of these types of information is considered sensitive?
Ship schematics and HR policies.
Planned maintenance schedule and emergency response procedures.
Voyage itinerary and departure and arrival times.
Way points and training records.
On the diagram, which letter indicates what is meant by the word "DRAUGHT" of the ship?
Draught is indicated by B, in the figure
Draught is indicated by A, in the figure
Draught is indicated by C, in the figure
Draught is indicated by D, in the figure
What stowage factors should be taken into account when planning the loading of cars, in a pure car carrier?
Overhead clearances
The amount of dunnage to be used
Cargo characteristics
Longitudinal and athwartships distances between the cars
How often shall watertight doors in main transverse bulkheads which is in use at sea be operated (tested)?
Daily
Every month
Every two weeks
Weekly
What is of utmost concern during a loaded passage in winter across the North Atlantic
Parametric Rolling
The added weight of icing on container stacks
Temperature differential between air and seawater, that may affect the shell plating
The presence of icebergs
What type of lubricating oil is generally used for for cylinder lubrication on a large, 2-stroke diesel, main propulsion engine operating on heavy fuel oil?
Mineral based oil with high alkalinity and other additives.
The same oil as the main lubricating oil system
Straight mineral oil.
Synthetic oil.
What is the meaning of the expression 'dead-band'?
It will is not respond to adjustment of set-point
The controller will not react to a process change in this range
The controller will enter 'sleep mode'
It will take some time before the controller will react to a change
Which of these is not a Cargo Transport Unit under the IMDG Code?
Road tank vehicle
Pallet
Portable tank
Freight container
What is the purpose of an evacuation analysis?
To provide port state control inspectors with reports
To provide the passengers with written results of the analysis
To identify and eliminate, as far as practicable, congestion which may develop during an abandonment
To ensure the ship can be evacuated in less than 30 minutes
How often shall liferafts be serviced?
Decided by the safety officer
At intervals not exceeding 12 months
At intervals not exceeding 18 months
Every second year
Which statement is correct for a fire door class "A-60"?
It is a requirement to keep class "A-60" fire doors closed for minimum 60 minutes
Class "A-60" fire doors shall be capable of preventing the passage of flame for minimum 60 minutes
Class "A-60" fire doors shall prevent the passage of smoke and flame and the average temperature of the unexposed side shall not rise more than 180
Class "A-60" fire doors must be closed within 60 seconds
What is Maximum Securing Load?
The load capacity of a device used to secure cargo on board
The combined safe working loads of various devices used to secure an items of cargo on board
The combined capacity of several devices used to secure an item of cargo on board
The safe working load of a device used to secure cargo on board
In a two stage compressor you will find pistons with different diameters (one is bigger than the other).Which one of the following statements is correct ?
The smallest diameter piston is the stage two piston
A big piston will give less oil content in the air.
A big piston will deliver dryer air into stage one.
The biggest diameter piston is the stage two piston.
The pressure inlet to a pressure gauge is varied from zero to full scale and back to zero again. The output (indicating pressure) versus true pressure is shown in the diagr.The non - coincidence(mis - match) of loading and unloading curve is due to internal friction in the instrument. What do we call this phenomenon?
Dead band
Threshold
Hysteresis
Resolution
What is usually the effect on G when the ship is damaged?
It rises.
It first rises and then lowers.
It is unchanged.
It lowers.
Which of the answers best summarises the information which should be provided for the bridge Officers of the Watch within an effective Voyage plan.
All of the suggested answers
Expected prevailing wind and weather
Contingency arrangements in case of problems
Courses to steer; distance off dangers; parallel index lines; expected currents; prevailing winds; distance between alteration points.
What measures regarding ship stability should be taken in order to make passenger ships able to withstand critical damage?
Damaged stability to be increased by weight redistribution.
Avoid overloading the ship
Damaged stability to be increased by use of water ballast
Maintain sufficient intact stability
You are on a tug and are towing an unmanned barge. You are restricted in your ability to manoeuvre. The total length of the tow is 219 metres. What daylight signals are required by the International Regulations for Preventing Collisions at Sea?
A diamond shape, where it can best be seen, on the tug only. Three shapes shall also be displayed, being three balls in a vertical line.
Three shapes shall be displayed on the tug, where they can best be seen, in a vertical line, the upper and lower being balls and the middle one a cylinder. The signal flag "T" shall also be flown on the tug. A diamond shall be displayed aft on the tow.
Three shapes shall be displayed forward on the tug, in a vertical line, the upper and lower being balls and the middle one a diamond.
A diamond shape, where it can best be seen shall be displayed on the tug and the tow. Three shapes shall also be displayed in a vertical line, the upper and lower being balls and the middle one a diamond. Diamond shape
What is the maximum quantity of cargo permitted to be carried in a single tank on a type 1 chemical tanker as per the IBC Code?
2400 cubic metres.
3000 cubic metres.
1250 cubic metres.
750 cubic metres.
Which of the following statements is correct when discussing warm clothing and passengers?
After being mustered, passengers will return to their cabins for warm clothing.
The crew will pass out warm clothing for passengers.
Warm clothing will protect passengers from drowning.
Warm clothing will protect passengers from hypothermia.
At which of the pressures shown should the low oil pressure trip operate on a freon compressor?
+ 1.0 bar
- 0.5 bar
+ 10 bar
+ 5.0 bar
In respect of exposure to vapours from oil cargoes, how is the value of "Short Term Exposure Limit" determined?
The airborne concentration of a toxic substance averaged over any 25 minute period, usually expressed in ppm.
The airborne concentration of a toxic substance averaged over any 30 minute period, usually expressed in ppm.
The airborne concentration of a toxic substance averaged over any 10 minute period, usually expressed in ppm.
The airborne concentration of a toxic substance averaged over any 15 minute period, usually expressed in ppm.
What name is given to the pickled, fermented vegetable condiment that accompanies almost every Korean dish?
Korchee.
Kebchee.
Kalachie.
Kimchee.
What does the image indicate?
The image indicates a passenger ship coming alongside
The image indicates a passenger ship moored port side alongside
The image indicates a passenger ship moored starboard side alongside
The image indicates a passenger ship letting go her mooring lines
What is the most suitable type of packing for a shaft gland of a pump used for seawater duties?
Greasy cotton packing.
Mica impregnated cotton packing.
PTFE rope packing.
Lead covered hemp packing.
What is the minimum Initial Transverse Metacentric Height (GM) allowed under the International Load Line Rules?
2.5 metres
0.5 metres
0.15 metres
1.0 metre
How many two-way VHF radiotelephone apparatus shall be provided on board a ro-ro passenger ship of 500 gross tonnage and upwards?
3
2
It is required to have a fixed two-way VHF fitted in a survival craft
One for each survival craft
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
What would be considered to be the normal service life for rolling contact bearings fitted to a large turbocharger for a diesel engine?
At least 30000 hours.
20000 - 25000 hours.
8000 - 12000 hours.
1000 - 3000hours.
Which one of the listed fire-extinguishing medium is to be preferred to fight a fire in an electric installation (for example the main switchboard)?
Foam.
Sprinkler.
Water fog.
Powder.
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.