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Tests en ligne : Test online CES 5.1 for Engine department, Support level
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Via Inmarsat-C a message is sent to an Inmarsat-C mailbox with a positive delivery notification (PDN). The groundstation will:
send a PDN, if the message has arrived in the mailbox
send no PDN’s with messages intended for the mailbox
Don't know
send a PDN, as soon as the message is collected from the mailbox
What data is at least requested in a DSC “distress alert” ?
the identification of the vessel in distress and her position
Don't know
the identification of the vessel in distress and the number of people on board
the identification of the vessel in distress, her position and the nature of distress
Who is responsible for the number and the position of any tugs to be used during a mooring operation?
The Master, with consideration of the advice of the pilot
It will be only the wind speed that will determine the required number of tugs and how they are used.
The Port Authority will dictate the tug requirements and their use within the port limits
The Pilot is fully responsible for the number and use of tugs within the port area
If a distress signal is received on board your ship, what would you do ?
all of the alternatives together
post extra look-out
try to make contact with the vessel in distress
contact SAR Authorities via nearest coastal Radio station
In the type of fluorescent lamp system shown in the illustration, the role of the starter is to perform which of the following?
To switch on current through the lamp, and to disconnect the ballast once the lamp has started..
To charge the ballast to a high inductive current, and then divert this current through the lamp.
To create a high starting current.
To pass current through the lamp heaters, and then interrupt the inductive striking current.
Indicate the correct name for the tool on the sketch:
Grinding machine
Flat file
Chisel
Pliers
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 is understood by the term "take the helm"?
Change the place where the lookout is standing.
Take over heaving of a rope.
Take over the steering of the ship.
Take a message to another officer.
Which of the following is a chemical commonly added to cleaning substances used to clean galley areas?
Bleach.
Beach.
Blanch.
Breach.
On some trades fruit cargoes may be subjected to 'in-transit cold treatment' also known as cold treatment. From the options given which is the main purpose of this cold treatment?
To maintain a specified minimum temperature for a prescribed time period to kill off any fruit fly which may be present when loading the cargo.
To maintain the temperature of the fruit within very tight tolerances.
To ensure that the fruit is carried as cold as possible without damaging the fruit.
To achieve uniform quality of the fruit at discharge.
What is the purpose of a "Strum Box" on a General Cargo Vessel?
To prevent solids from entering the cargo hold via the bilges
To prevent water from entering the cargo hold
To prevent all solids from entering the bilge system
To prevent solids of certain size from entering the bilge system
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
Many LPG carriers are designed to carry the cargo in a fully refrigerated condition. What is the normal maximum cargo tank pressure on a fully refrigerated LPG carrier?
10 bar gauge pressure.
18 bar gauge pressure.
0.7 bar gauge pressure.
7 bar gauge pressure.
According to SIGTTO publications, what is a typical accuracy for LNG pressure measurement equipment?
+/- 1,00 bar (which will apply within the MARVS of the tank)
+/- 0,0005 bar (which will apply within the MARVS of the tank)
+/- 0,0015 bar (which will apply within the MARVS of the tank)
+/- 0,50 bar (which will apply within the MARVS of the tank)
Some fresh shrimps have been peeled ready for serving; some salad leaves have been washed ready for the same meal. The meal will not be served for another four hours. What will you do with these ingredients in the meantime?
The shrimps and the salad will be placed in separate containers, covered and placed in the refrigerator until required.
The shrimps will be placed in the refrigerator and the sald placed in cold water, to keep it fresh.
The shrimps and the salad will be placed in separate containers, covered in foil and left on the bench until required.
The ingredients will be combined, seasoned and dressed, transferred to open serving dishes, then placed in the refrigerator until required.
Can containers carried on multi-purpose or general cargo ships be lashed with lashing wires and chains?
Yes, if provided for in the vessel’s Cargo Securing Manual (CSM)
Yes, always
No
Yes, together with dedicated container lashing equipment
On the figure 4 possible definitions of the term "FREEBOARD" are given. Which one is the correct one?
Freeboard is given by A on the figure
Freeboard is given by C on the figure
Freeboard is given by D on the figure
Freeboard is given by B on the figure
What should be done in preparation for loading cold rolled steel sheets in bulk carriers?
8mm wire cables should be laid athwartships over the tank top spaced 5m apart
Dunnage should be laid athwartships over the tank top
Dunnage should be laid fore and aft over the tank top
16mm wire cables should be laid fore and aft over the tank top spaced 3m apart
A data logger printout is being studied. It can be seen that at regular intervals the return air temperature increases significantly for short periods of time before returning to normal. What is the most likely cause of this occurrence?
Routine defrosting of the evaporator coils.
Erratic operation of the refrigeration compressor.
Response of the refrigeration plant to daily ambient warming and cooling.
Faulty operation of the control system for the refrigeration unit.
The correct time to synchronise is usually taken to be when the synchroscope reaches the "5 to 12" position and is rotating slowly clockwise. This to allow for:
Generator phase difference error
Circuit breaker operating time
Synchroscope error
Synchroscope pointer time lag
It is required that a crewman enters a refrigerated compartment containing produce at minus 60 degrees Celsius. Which of the items of personal protective equipment given in the options is the most important for the crewman to wear?
A hard hat.
Thermal underwear.
Insulated gloves.
Insulated overalls
An airway should be used when
The patient is breathing on his own but is doing so with great difficulty
The patient has stopped breathing
Patient has injury in the mouth
The patient is unconscious
Information about your ship’s security arrangements and procedures is stored electronically. Which of these measures will help safeguard it from potential threats?
Work history verification
Encoded email messages
Protective markings
Passwords
What is the definition of an "independent" cargo tank?
One which can be loaded with hazardous liquid chemicals that can not be carried in integral cargo tanks.
One which is not subject to the requirements of the IBC Code in respect of the loading and carriage of hazardous liquid cargoes.
One which is not contiguous with, or part of the hull structure.
One which forms part of the ship's hull and structure and which is normally essential to the structural completeness of the ship's hull.
A mixed cargo consisting of cartons of frozen meat and drums of frozen orange juice is being loaded into the same reefer space. From the options given, select the reason that best describes why the drums of orange juice must be handled carefully.
There may be contact damage to the cartons of meat from the steel drums of orange juice.
There is a risk that the meat could taint the orange juice.
There is a risk of spillage from the drums of orange juice which may taint the meat.
There may be contact damage to the steel drums of orange juice from the cartons of meat.
What is mean by bulk Grain cargoes have a low angle of repose?
Likely to produce toxic gas
Always stable
Unlikely to shift
Liable to shift
Emergency instructions in appropriate languages shall be posted in passenger cabins. What information shall as a minimum be included in the emergency instructions?
Name of cabin attendant
Escape routes and alarm signals
The method of donning life-jackets, escape routes and alarm signals
Where to find thermal protective aids
Cargo heaters are frequently used when discharging refrigerated LPG cargoes into pressurised shore tanks. What would be a typical "heating range" required from a heater for discharge of fully refrigerated propane?
From - 55 C to - 15 C.
From -25 C to +15 C.
From - 45 C to - 5 C.
From - 35 C to + 5 C.
You are loading a cargo of Vinyl Acetate Monomer to several tanks on board. Tank 6 centre is about to finish and the next tank to load is 2 centre. How will you operate the valves to achieve this change-over?
I will close the valves for tank 6 centre when the required ullage is reached and then open the valves for 2 centre.
When the required ullage is reached in tank 6 centre, I will close the manifold valve, then close the tank valves for that tank. I will then open the tank valves for 2 centre and finally open the manifold valve again. (Using the manifold valve to control the flow avoids any pressure-surge in the shore line).
I will open the valves for tank 2 centre and then close those for 6 centre, as the required ullage is reached.
I will stop loading cargo when tank 6 centre reaches its required ullage and close the valves to that tank. I will then open up the valves to tank 2 centre and resume loading cargo.
If a patient is bleeding from nose
Put a piece of swab or gauze in the nose
Let the blood stop by itself
Pinch soft part of the nose for 10 minutes while keeping the head forward over a basin
Ask the patient to lie flat on the floor
What is a likely cause of fishmeal fires?
A moisture content less than 6%
Ineffective antioxidant at the time of production
Too much antioxidant at the time of production
Fat content less than 10%
In the figure, which letter indicates what is known as "mooring bits"?
The mooring bits are indicated by B, in the figure
The mooring bits are indicated by C, in the figure
The mooring bits are indicated by D, in the figure
The mooring bits are indicated by A, in the figure
Why is the inlet to the slop tank often directed towards the bulkhead (see the illustration) ?
None of the mentioned
To reduce the settling time
To avoid build-up of static electricity, which may cause explosion
To avoid too much agitation of the oily water in the tank
How often shall the oxygen analyser be calibrated?
On Chief Officers order
At regular intervals
Every time the plant is shut-down
Prior to every plant start-up, following an 8 hour stop
To achieve a good stow with palletised refrigerated cargo it is preferable to have long uninterrupted faces for the stow. Any pillars, access ladders or other obstructions in the cargo space can make this difficult. From the options given, select the most appropriate way of dealing with an access ladder which is obstructing the pallets to achieve a satisfactory stow.
Stow the pallets as tightly as possible around the access ladder and fill any gaps with air (dunnage) bags.
Stow the pallets as tightly as possible around the access ladder and fill any gaps with loose cartons.
Remove the access ladder and place it on top of the stowed pallets.
Stow the pallets as tightly as possible around the access ladder and then support the pallets with plywood and timber bracing.
Some vessels have a central hydraulic system consisting of a number of hydraulic power packs for driving cargo pumps, deck machinery, ship's cranes, etc. Which parameter is normally used to automatically bring the power packs on and off line to match operational demand?
Percentage of available flow.
Percentage of maximum pressure being used.
Temperature of hydraulic fluid.
Number of consumers running (pumps, etc.)
Which special regulations cover transportation of solid Bulk cargoes?
The cargo securing manual
Classification Society Rules
The timber deck cargo code published by IMO
IMO Bulk Cargoes Code (BC) and the IMO International Maritime Solid Bulk Cargo Code( IMSBC)
With reference to using centrifuges for cleaning fuel and lubricating oil what is the difference between a purifier and a clarifier.
Clarifiers are used when water is present in the oil.
In a clarifier only solids are removed from the oil, whereas in a purifier both solids and water are removed from the oil
Purifiers are used when only solids are present in the oil.
There is no difference, both use centrifugal force
The temperature of chilled air is monitored after it has passed through a refrigerated cargo and the temperature noted. This temperature is often referred to as the RAT. Which of the given options does RAT stand for in relation to refrigeration of a cargo?
Return Air Temperature.
Respirated Air Temperature.
Relative Air Temperature.
Reduced Air Temperature.
What is the name of this unit?
A slip hook
A hydrostatic release unit
An antistatic release unit
A liferaft release unit
What action should be taken by the Officer of the Watch in the event of fire being reported to the bridge during the 00.00 to 04.00 watch?
Send the bridge look-out down to investigate
Sound the Fire Alarm
Stop engines and inform the engine room
Call the Master
What is the situation of this vessel?
This vessel is not under command, but is making way through the water.
This vessel is aground.
This is a vessel constrained by her draft.
This vessel is not under command and stopped in the water.
Which electronic component is this graphical symbol illustrating:
Resistance, 3300 ohms
Capacitor, 3.3 F
Electric heater, 3.3 kilowatts
Inductive reactor, 3.3 kH
What must be ensured when using ship’s cargo gear in hot climates?
That all cargo gear is appropriately marked
That grease from wire falls does not fall onto cargoes being loaded or discharged
That the cargo gear register in up to date
That stevedores handle cargo gear in the proper manner
What is the value of GZ upto an angle of heel of 5 degrees?
GM x Sin angle of list
GM x Cosine angle of list
GM x Tan angle of list
GM / Sin angle of list
What danger is associated with damaged expanded metal gratings on loading ramps?
Vehicles’ windscreens may be damaged during cargo operations
The front and/or rear ends of vehicles may be damaged during cargo operations
Vehicles’ tyres may be damaged during cargo operations
The load density of the ramp will be affected
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 does the abbreviation "SBT" stand for in the context of the construction and layout of an oil tanker?
Segregated Ballast Tank
Specified Ballast Tank
Strengthened Ballast tank
Single Barrier Tank
A power card taken from a diesel engine cylinder using a mechanical indicator has a flat top. Which of the possible actions given in the options is most likely to correct this irregularity on the power card?
Lengthen the cord for the indicator drum drive.
Lubricate the indicator piston and cylinder.
Shorten the cord for the indicator drum drive.
Change the indicator spring for one with a higher rating.
Chemicals and harmful substances are safely stored in a designated locker on board, why?
For safety reasons and stock control. When chemicals or harmful substances is delivered to a crewmember, the user shall sign for the amount received.
For stock control. Most of the chemicals and harmful substances we use on board are expensive.
Chemicals and harmful substances must be kept away from passengers so that they don't steal it.
For safety reasons. Many substances found onboard are capable of damaging the health and safety of those exposed to them. Before any chemical or harmful substance is delivered to a crewmember, the personnel shall receive training, instructions and information so that they know and understand the risks arising from use.
Emergency exits are provided for personnel's safe and quick escape from the engine room in case of fire. The emergency exits are an item to be checked during the Safety Equipment survey annually. What is the surveyor checking?
The surveyor is checking the lighting fixture in way of emergency exits.
The surveyor is check that the vessel is equipped with emergency exits.
The surveyor is checking that there is no oily residues in the emergency exits.
The surveyor is checking that the emergency exits are properly marked, free from obstacles and that the closing devices are easy operable.
The figures show a graphical symbol for a particular electronic component and a typical operating characteristic for the same component. Which component?
Zener diode
Field effect transistor
Triac
Tunnel diode
Cargo hoses intended for liquefied gas carriers have to be prototyped tested before being approved. When new hoses of an already approved type are received onboard they also need to be pressure tested before being put into service. What are the IMO Gas Code requirements for such hoses before they are put into service?
Not less than 1.5 times the specified maximum working pressure or more than two fifths of bursting pressure at the expected cargo carriage temperature.
5 times the specified maximum working pressure at ambient temperature.
5 times the specified maximum working pressure at expected cargo carriage temperature.
Not less than 1.5 times the specified maximum working pressure or more than two fifths of bursting pressure at ambient temperature.
On a Container vessel, what is the definition of Readily Combustible Solids, under the IMDG Code?
A substance that will heat up and ignite due to the ignition of another substance
Fibres, powdered, granular, or pasty substances that are capable of self-heating
Fibres, powdered, granular, or pasty substances which are dangerous if easily ignited by brief contact with an ignition source and if the flame spreads rapidly
Any solid that is capable of self-ignition
What is DRI?
Designated Room for Inspectors
Density of Regular-sized Ingots
Direct Reduced Iron
Directly Related Incident
The Reid Vapour Pressure (RVP) test is a simple and commonly used method for measuring which of the following characteristics of an oil cargo?
The nominal vapour pressure of the liquid at 38.7 degrees C.
The actual vapour pressure of the liquid at 15.6 degrees C.
The uncorrected vapour pressure of the liquid at 59 degrees C.
The absolute vapour pressure of the liquid at 37.8 degrees C.
What is normally seen as the greatest risk when operating a high pressure, water tube, steam boiler with an excessively high level of Total Dissolved Solids?
Pitting corrosion at the water level in the boiler water drum.
General corrosion of boiler tubes and fittings
Hard scale deposits on boiler tubes and fittings
Foaming and carryover of water into the steam range.
Shortly after entering the cargo hold of a General Cargo ship to discharge logs, two dockers are seen to collapse; what is the immediate action to be taken by the OOW ?
Assume injuries are due to illness; stevedore and docker foreman to deal with situation
Enter space immediately to administer first aid
Sound general alarm, call emergency services ashore and prepare rescue team with self-contained breathing apparatus
Muster emergency rescue team and prepare to rescue casualties
A steel spear thermometer is to be used to check the pulp temperatures of a cargo of chilled beef which is vacuum wrapped in plastic and packed in cardboard cartons. Which of the given options is the most appropriate method of using the thermometer to get the pulp temperatures of this high value commodity?
Remove the carton lid and drive the thermometer directly into one of the pieces of beef through the plastic wrapping.
Drive the thermometer directly through the carton and the plastic wrapping into the beef.
Remove the lid of the carton and place the thermometer so that it is completely covered between two of the plastic wrapped pieces of beef.
Drive the thermometer through the cardboard but avoid piercing the plastic wrappings.
Which special regulations cover transportation of grain on a Bulk Carrier?
IMO Grain Rules?
Port State Regulations?
Statutory Regulations?
Classification Society Rules?
Anyone who without valid reason places, removes, changes or conceals nationality marks or registration marks of a registered ship shall be liable to???
Imprisonment for a term not exceeding 6 months.
Fines or imprisonment for a term not exceeding 12 months.
Fines or imprisonment for a term not exceeding 6 months.
Fines.
Which of these will not physically damage a bulk carriers’ plating, frames and brackets?
Hydraulic hammers
Grabs
Bulldozers
Evacuators
The fire control draft on board is called the «safety plan» and shall be posted onboard. In port, a copy of this plan shall in addition be available from somewhere else. Where shall this copy be available?
Handed over to the surveyors.
At the gangway.
In the engine control room
On the terminal
What purpose has the discharge booster pump on a gas tanker?
The main purpose of booster pumps is to avoid overflow during loading.
The main purpose of booster pumps is to increase the manifold pressure.
The main purpose of booster pumps is to maintain the manifold temperature.
The main purpose of booster pumps is increase the tank pressure.
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 is the "STARBOARD QUARTER", in the figure?
The Starboard quarter is C, in the figure
The Starboard quarter is B, in the figure
The Starboard quarter is A, in the figure
The Starboard quarter is D, in the figure
What necessary precautions should be taken before entering a tank or an enclosed space?
Use a breathing apparatus if the oxygen level is below 21%
Remember to have a colleague standing by to assist you if any problems
Bring a flashlight and put on safety shoes
Make sure that the tank/ enclosed space is gas free, ventilated and the oxygen content is measured. O2 content shall be 21% before entering the tank/ enclosed space
Crewmen are carrying out maintenance work in the engine room on overtime. The work does not affect machinery operation. At the end of normal working hours, what should the Engineer on Duty do?
Switch to UMS-mode and leave the engine room as normal.
Continue with manual operated engine room until the maintenance work is finished.
Switch to UMS-modeand inform the crewmen not to touch any of the machinery.
Leave the engine room after asking the crewmen to switch to UMS once they have finished working
In ship's stability what is understood by the term "In stable equilibrium"?
The term "stable equilibrium" means when the cargo loaded in each hold is the maximum that hold can carry.
Stable equilibrium means the vessel is floating upright and has a positive GM
The term "stable equilibrium" means that the vessel complies fully with the International Loadline Rules
Stable equilibrium means the buoyancy force upwards and the force of weight downwards are equal and G and B are in the same vertical line
What action should be taken if a purifier starts to vibrate heavily during normal operations?
Leave the purifier running and check it again after its next scheduled sludge cycle.
Stop the purifier and then restart it
Change the flow rate.
Stop the purifier immediately. Check the machine for fouling or mechanical damage. Do not restart until cause is identified and fault rectified.
Which of the following answers would most appropriately describe shell plating damage to the vessel?
"My vessel has sustained damage to shell plating in way of No. 3 cargo hold"
"My vessel has sustained damage to shell plating below the waterline"
"My vessel has sustained damage to shell plating above the waterline"
"My vessel has sustained damage to shell plating below the waterline in way of No. 3 cargo hold, starboard side"
After successful synchronising the kW and kVar loading are respectively transferred by the following controls:
Current regulator and voltage regulator
Speed governor and load power factor
Voltage regulator and synchroscope
Speed governor and voltage regulator
What advantages do you see by conducting passenger muster’s. Drill’s are mandatory for international voyage’s.
The passengers get to know the way around the ship.
The Passengers get familiar with lifejacket and location of muster station
Giving the company a good image for the public, and the crew get training.
The passengers get familiar with emergency procedures, life jackets, musterstation. And the crew get training in growd handling.
A company must update its Safety Management System and Manual:
whenever regulations change
at least once every 18 months
at least once every 12 months
at least once every 6 months
Personnel in a high voltage switchroom smell ozone. This is likely to indicate which of the following?
Transformer overload
Vacuum circuit breaker problems
Arcing at badly connected bus bars
Air circuit breaker problems
Which Security Levels requires the highest security alert?
Security Level 2
Security Level 1
Security Level 3
.
In a single side skin bulk carrier of 180m in length constructed in 2001 and carrying cargo of density 1,780 kg/m3, or above, which cargo hold is strengthened to withstand flooding?
The aftermost cargo hold
The ballast hold
The midships cargo hold
The foremost cargo hold
Why should cargo residues be removed from bilge wells?
Because corrosion will occur
Because bilge sounding pipes could become blocked
Because moisture levels will increase in the cargo holds
Because other cargoes will be contaminated
When we are measuring salinity with a salinometer, the sensing device is:
Electrodes
Inductor capsule
Capacitance probe
Strain gauge
During a walk around of a stow of refrigerated containers, one of the containers is noted to be quiet and has a red light showing on the control panel. Select, from the options given, the most likely cause of this condition.
The red light indicates that there is power to the container.
The red light indicates that an air change is in progress.
The red light indicates that there is a fault with the container's refrigeration unit.
The red light indicates that there is no power to the container.
In which situation might you have to use non-verbal communication with passengers?
There is an explosion in the cargo hold.
You are outside in a severe storm.
The ship's electrical system has failed.
The ship's communication system is not working.
Which of the following requirements regarding embarking, disembarking and stowage of vehicle on ferries corresponds to present regulations? (NSCL 4/11.4).
In ships where passengers and cars are using the same access (ramp/gangway) embarkation/disembarkation of passengers and cars shall not take place simultaneously.
Vehicles shall at all times be secured against shifting.
In rough weather the clearance between the cars shall be increased to 800 mm.
During crossing, ports on the car deck shall be closed and battened.
A second high pressure boiler is to be coupled to an online boiler supplying steam to the main turbine. How is the superheater section of the second boiler normally prevented from overheating during the period prior to coupling while raising the steam pressure?
The lift pressure of the superheater safety valve is lowered to allow the valve to lift and create a steam flow.
The superheater safety valve is manually opened to create a steam flow.
The superheater vent valve is kept open until the boilers are coupled to create a steam flow.
The superheater header drain valves are opened to create a steam flow.
How often should boiler water tests be carried out on a steam boiler?
Every hour.
Every day.
Every fortnight.
Every week.
High-level alarms are always switched on during loading operations. Is it necessary to have them switched on during discharge operations on a chemical tanker?
The only way a high level alarm will activate during discharge is as the set level is passed as the tank empties. It is therefore of no value to have them switched on.
No, the alarms are only of value and significance for an increasing liquid level such as is found during loading.
Yes, there is still a risk of overflow if several tanks are connected to a common line system.
It is wholly the choice of the Officer of the Watch whether he uses high level alarms during a discharge operation.
What is the estimated average daily calorie intake required by an active adult male?
650
4400
2900
7500
If you have to carry out hot work close to a smoke detector in the engine room, what precautions should be taken?
No special precautions except for having a watch man and a fire extinguisher available.
Notify Master, Deck officer and engineer in charge.The loop for this special sensor to be switched off and take normal precautions for hot work.
Disconnect the smoke detector.
Notify deck officer in charge that a fire alarm may occur.
What will you bring in a lifeboat if the ship is abondoned?
Warm clothes, blankets and lifevests.
All pets that will most likely not be able to enter the boat by themselves.
All valuables like money, jewelry etc.
As much biscuit and canned food as possible.
All fuel oil tanks are vented through a
Check vent to transfer pump
All alternatives
Check vent to settling tanks
Gooseneck vent on main deck
During operation of the main engine, the heat absorbed by lubricating oil is removed by the:
Sump vents.
Any of the above.
Lube oil cooler
Scavenge air cooler.
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.