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Maison Tests en ligne CES Chemical tanker Deck Support Test online CES 5.1 for Deck department, Support level, Chemical tanker vessel
Tests en ligne : Test online CES 5.1 for Deck department, Support level, Chemical tanker vessel
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Le test consiste en des questions aléatoires sur un sujet sélectionné.
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What is full form of VRP (OPA-90)
Vessel Report Plan
Vessel Response Procurement
Vessel Reporting Procedures
Vessel Response Plan
You are to turn your vessel in a narrow canal by use of two tugs with the same power. The wind varies in the range moderate/strong. Where/how would you use the tugs?
Pushing, made fast in the vessel
One tug pushing, one tug pulling
Pulling, made fast in the vessel
Pushing, not made fast in the vessel
You are going to leave a crowded anchorage and make a 180 degrees turn. Your ship has a right-handed propeller and you can turn either way. How can you make the turn using as little space as possible?
Full ahead, rudder hard to starboard
Rudder hard to stb. , full ahead. Rudder hard to port, full astern. Repeating this manoeuvre until you have made the turn
Rudder hard to port, full astern. After you gain some sternway, rudder hard to starboard and full ahead
Full ahead, rudder hard to port
In respect of washings from the cargo area of an oil tanker, what is the maximum instantaneous rate of oil that can be pumped into the sea when a vessel is outside a special area, proceeding en route, has in operation a monitoring and control system for the discharge of oil and is located more than 50 nautical miles from the nearest land?
0.03 litres per nautical mile.
30 litres per nautical mile.
300 litres per nautical mile.
60 litres per nautical mile.
When carrying LNG cargoes it is useful to have information about its thermodynamic properties. What is a common source of information that can be used to obtain values for a wide range of these properties?
The IGC code.
The cargo manifest.
Material safety data sheet.
A Mollier chart.
When lashing general cargoes why are short lashings preferred to long ones?
Because long lashings are more prone to vibration
Because they are more easily tightened and held in tension
Because some of the ship’s lashing points may not be designed to hold long lashings
Because the safe working load of lashing materials decrease with length
Who is responsible for maintaining the vessel's structural strenght?
The Flag State Administration
The Master
The Shipping Company and the Classification Society
The Shipyard
On a RoRo vessel, to what should a heavy vehicle be secured on a car deck?
Clover leaves
Crinkle bars
Lashing holes
'D' rings
What is the description for a sidelight, as shown in rule 21 of the International Regulations for Preventing Collisions at Sea?
A green light on the starboard side and red light on the port side, showing an unbroken light over an arc of 135 degrees, from right ahead to 22.5 degrees abaft the beam on the respective side.
A green light on the starboard side and red light on the port side, showing an unbroken light over an arc of 112.5 degree, from right ahead to 22.5 degrees abaft the beam on the respective side.
A red, green or yellow lantern, showing an unbroken light over an arc of 112.5 degrees.
A red light or a green light, with a minimum range, in a vessel of 50 metres or more, of 3 miles. In a vessel of 10 metres or more but less than 50 metres in length, a range of 1 mile.
While on boiler watch on an automatically controlled steam boiler the rating notices that the burner has failed to light following a drop in steam pressure. What action should be taken?
Shut the steam stop valve to stop the steam pressure falling further.
Stop the feed water pump immediately in case the boiler overfills.
Try and light the boiler burner manually.
Call the duty engineer immediately using the engineers call alarm.
What should not be done when a container of liquid ammonia is on fire?
Restrict ventilation
Cool the container with water
Use a dry chemical fire extinguisher or carbon dioxide gas
Use self-contained breathing apparatus
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
It is possible to successfully mix certain types of refrigerated cargo in the same space if they are compatible. Sometimes apparently dissimilar cargoes can be successfully mixed. Which one of the combinations given in the options could be successfully carried as a mixed cargo in the same cargo space?
Oranges and butter.
Oranges and rock lobster.
Oranges and bacon.
Oranges and apples.
What charateristics of Seed Cake group B (IMDG Class 4.2) cargo should be considered when carrying in bulk?
The only concern is that the cargo may self-heat slowly.
The only concern is the cargo may be liable to oxidise, causing subsequent reduction of oxygen in the cargo spaces
The only concern is that the cargo may be liable to spontaneous combustion.
Cargo may self-heat slowly; may spontaneously ignite; liable to oxidise; may produce carbon dioxide
What arrangement may be installed in passenger ships to reduce unsymmetrical flooding in damaged condition?
Self acting ballast trimming arrangement
Separate trim tanks
Ballast trimming system
Cross flooding arrangement
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 describing equipment used in oil tanker operations, what does the abbreviation "VECS" stand for?
Vapour Emission Control System.
Vapour Emission Calibration System.
Vapour Ejection Control System.
Vapour Emission Control Standard.
How would pirates attacking a ship be communicated to another ship?
"My ship is under attack by pirates"
"My ship was under attack by pirates"
"My ship has pirates"
"My ship will be under attack by pirates"
On a cellular container vessel, what would make a cargo hold not ready to accept containers?
Damaged cell guides
Insufficient twistlocks
Indented tank top plating
Lack of dunnage
There are strict rules governing the placement and category of electrical equipment allowed in certain areas of liquefied gas carriers. One such category is that of flameproof enclosures. What is a flameproof enclosure?
One in which the equipment has such low electrical power that there is insufficient energy to ignite a flammable mixture and cause a flame.
One which can withstand the pressure build-up during an internal ignition of a flammable mixture and is designed to cool any flames occurring within the enclosure to below the ignition temperature.
One which is filled with inert gas to prevent formation and possible ignition of a flammable mixture.
One which is maintained under positive pressure so preventing the formation of a flammable mixture.
What name is given to the process of discharging water from a designated slop tank whiler minimising the disturbance of the oil layer on top, with the objective of removing as much water as possible?
Decanting.
Discharging.
Deballasting.
De-layering.
A new gasket has been fitted to the manhole cover of a ballast tank. Which of the options given would be a suitable test that the new gasket is correctly fitted?
Carry out a hose test on the manhole cover.
Carry out an air pressure test on the ballast tank.
Fill the tank with water up to capacity.
Fill the tank with water until it overflows through the air vent.
What is the full name of the International Convention dealing with stability of passenger ships?
The International Convention for the Safety of Life at Sea
International Safety Management code
SOLAS
ISPS
Too high exhaust temperature in one cylinder becomes because of:
Charge air temperature is too high.
Water leakage in the cylinder.
Too much lubricating oil in the cylinder.
Injection valve opening pressure is too low.
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.
On what criteria is the Threshold Limit Value (TWA) based?
The maximum concentration of a vapour to which a worker may be repeatedly exposed for a maximum of 12 hours per day, 5 days per week without serious health effects.
The concentration of a vapour expressed as a percentage of the oxygen content of an environment in which a fit human-being can work continuously for a period of 8 hours.
The time-weighted concentration of a substance to which a worker may be repeatedly exposed for a normal 8 hour working day and 40 hour week without adverse health effects.
The maximum concentration of harmful vapour to which a worker may be exposed for a period of 15 minutes up to 4 times within any 24 hour period without adverse respiratory effects.
What are the characteristics of Seed Cake containing vegetable oil UN 1386 when carried in bulk?
May self-heat slowly and if wet ignite spontaneously
No specific hazards
This cargo may release carbon monoxide
This cargo is non-combustible and low fire risk
Indicate the correct name for the part marked on the sketch:
Exhaust valve
Piston
Cylinder liner
Main bearing
What does the Captain mean?
Set the engine to dead slow ahead, and change the course 10 degrees to port
There is a dead slow in front of the ship, 10 degrees to port
Set the engine to dead slow, and set the rudder angle at 10 degrees to port
There is a dead slow in port number 10
Which of the following detectors would you choose for measuring the torque of a steel shaft?
Pyrometer
Strain gauge
Ultrasonic gauge
Synchro
If it is found that a leakage from the gland of a centrifugal pump is excessive. The correct procedure is:
Fit oversize packing to the stuffing box.
Tighten the gland as much as possible until the leakage stops.
Ensure the bilge well to which it is draining is regularly pumped out.
Re-pack the stuffing box loosely with the correct size packing at the earliest opportunity.
At sea the fire detection system on the bridge activates and indicates smoke present in No 1 Hold of a General Cargo ship; what action should be taken?
Call Master , sound General Alarm, muster crew and prepare to investigate
Call Chief Officer to investigate initially
Assessment not required at this stage
Investigate by sending lookout to check space
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.?
Locate them in large cabins to ease their stay.
Passenger with some form for disability must travel with accompany, and live in same cabin or next door.
They must be placed in cabins on the same level as the muster station.
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 is meant by dynamic amplifying
Amplitude of input signal divided by amplitude of output signal
Amplitude of output signal divided by amplitude of input signal
Variable amplifying
Corresponding change in signals
On a Container vessel, what prevents the installation of double stacking cones?
A homogenous container load
Out-of-gauge containers
Limitations in ship design
Restrictions in the cargo securing manual
What is of major concern when a shallow draught ro-ro vessel is in river transit?
Air draught
Squat
Draught
Manoeuverability
You are on a power driven vessel underway in open water. This vessel is sighted directly ahead. The distance is closing slowly. What action will you take under the International Collision Regulations and why?
This is a vessel engaged in towing and I am seeing the stern light of the tow. The tug is not however showing any lights indicating she is restricted in her ability to manoeuvre. I will however display good seamanship and keep out of her way.
I will keep out of her way. I am the overtaking vessel and am obliged to keep clear under rule 13.
I will maintain my course and speed. The other vessel is being overtaken and is therefore obliged to keep out of the way by rule 13.
The vessel is on a steady bearing and the distance is closing. I will therefore take avoiding action, altering course to starboard and sounding one short blast under rules 14 and 16.
Which of the suggested navigational systems is a "Hyperbolic" navigational system and has hyperbolae as position lines?
Loran C
Radio Direction Finder
All of the suggested systems
GPS
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 vitamin is to be found only in foods from the animal kingdom?
Vitamin C
Vitamin E
Vitamin A
Vitamin B
The image shows an indicator diagram taken from a diesel engine cylinder . Which of the following options is the action most likely to identify the fault.?
Check if the fuel pump injection is too early, or fuel pump lead is too great, for that cylinder.
Check the exhaust valve.
Check that the fuel temperature and viscosity are correct.
Check if the fuel injection valve is partly blocked.
What is the minimum number of lifebuoys that shall be provided with self-igniting lights an self-activating smoke signals?
At least 1
4
2
50% of the total number of lifebuoys
What are the limitations of Cargo Securing Manuals?
They are developed whilst ships are still under construction and may therefore be unsuitable under certain operational conditions
They are not always approved by a classification society
Some Cargo Securing Manuals cover a full range of sister ships
Cargo securing arrangements in the manuals may be unsuitable for heavy weather conditions
Skin contact with liquid methane can result in severe frostbite. Assuming a crewman's hands have been frostbitten due to exposure to liquid methane, which of the given options would be an appropriate initial first aid action?
Place the victim's hands in his bare armpits
Keep the victim's hands uncovered to allow the fresh air to warm and dry them.
Rub the victim's hands vigorously.
Place the victim's hands on or very close to a hot surface.
Fluid-driven eductors (as commonly found on crude oil tankers), operate on a principle known as Bernoulli's principle. What does that state?
The increase in pressure at the eductor inlet is inversely proportional to the decrease in pressure as measured at the discharge orifice.
The volume of a fluid increases as the pressure in it decreases.
The discharge rate is inversely proportional to the pressure applied in the drive inlet.
The speed of a moving fluid increases as the pressure in the fluid decreases.
Which of the hydrocarbon gases is the main one in LNG?
Butane.
Methane.
Ethane.
Propane.
What is shown on the new ‘Marine Pollutant’ label under the IMDG Code?
The letter 'P'
A dead tree and dead fish
Dead fish and dead sea birds
The letters 'PP'
According to the specification for Oil Discharge Monitoring and Control Systems for oil tankers laid down by IMO, which of the following is the definition of an 'overboard discharge control'?
A system which receives automatic signals of oil content, flow rate, ship's speed, ship's position, date and time.
A system which monitors the discharge into the sea of oily ballast or other oil-contaminated water from the cargo tank areas.
A facility which prevents the initiation of the opening of the discharge valve or the operation of other equivalent arrangements before the monitoring system is fully operational.
A device which automatically initiates the sequence to stop the overboard discharge of the effluent in alarm conditions and prevents the discharge throughout the period the alarm prevails.
With regard to the IMDG Code what do Calcium Oxide (UN No. 1910), Magnetized Material (UN No. 2807), Sodium Aluminate (UN No. 2812) and Battery Powered Equipment (UN No. 3171) have in common?
They are listed as Corrosive Substances - IMDG Class 8
They are not listed in the IMDG Code
Due to their characteristics they may be shipped in open top containers
They are not subject to the provisions of the IMDG Code but may be subject to provisions governing the transport of dangerous goods by other modes
How should pipes, rails and road sections be stowed?
Always in the athwartships direction
Fore and aft when practicable
Always fore and aft
Athwartships when practicable
On a Container vessel, which of these motions is not taken into account when calculating forces on a container stow?
Pitching
Rolling
Surging
Heaving
During Parametric Rolling what happens when a wave crest is amidships?
There is loss of GM
There is a likelihood of the onset of resonant rolling
There is a likelihood of the onset of resonant pitching
There is an increase in GM
What is done at a Quadrennial Thorough Survey?
Derricks are tested and parts of derricks thoroughly examined
Deck cranes are tested and their parts thoroughly examined
Deck cranes are tested
Derricks are tested
After loading certain oil cargoes, known as 'static accumulator' cargoes, it is common to wait for the cargo to stop moving within the tank and therefore reach the point at which it will cease generating any further static electricity, before taking any samples or ullages. Which of the following is the typical length of time allowed for this process
120 minutes
30 minutes
75 minutes
2 minutes
During pre-entry checks of an enclosed space onboard a liquefied gas carrier it is necessary to check the condition of the atmosphere. If the gas detection equipment to be used for the checks included a catalytic type combustible gas indicator, an absorption type toxic gas detector and a paramagnetic type oxygen analyser, which would be the preferred order for the checks?
Oxygen content followed by hydrocarbon gas content and then toxic gas content.
Toxic gas content followed by hydrocarbon gas content and then oxygen content
Hydrocarbon gas content followed by oxygen content and then toxic gas content.
Hydrocarbon gas content followed by toxic gas content and then oxygen content.
Under what load condition would sootblowing of the boiler tubes be most beneficial?
When the boiler is firing on low rate.
When the boiler burner is off.
When the boiler is firing on medium rate.
When the boiler is firing on high rate.
What temperature do we calculate on when using the ASTM-IP tables?
We calculate the liquid weight at actual temperature.
We calculate the liquid weight at +25 C.
We calculate the liquid weigh at ambient temperature.
We calculate the liquid weight at +15 C.
Why should one not rely wholly on a loading computer?
Because loading computers do not indicate actual sea going conditions
Because loading computers do not warn of high centres of gravity when high cube containers are carried
Because some instruments do not warn of heavy-over-light containers so long as overall stack weights are within limits
Because loading computers do not indicate the positions of high cube containers
How should drums be stowed on a General Cargo vessel, in compliance with the IMDG Code?
Shrink-wrapped on pallets
Palletised in pyramid formation not more than four tiers high
Upright
On their sides
According to the IBC Code, the master of a chemical tanker must be supplied with a loading and stability information booklet. What must this booklet contain?
Summary details of light ship and fully loaded conditions and of a representative part-loaded condition, with examples of calculations of typical pre-departure stability conditions and an example of a damage stability calculation to enable the master to determine survival capability in the event of an emergency involving a breach of the hull.
Details of service and ballast conditions for loading based on the range of products which a vessel is certified to carry, incorporating the maximum permissible DWT, the maximum permissible SG of any product, the maximum permissible trim and any structural constraints that will impact a loading condition.
Certificates confirming the testing and calibration of tank gauging equipment, the ship's stability computer program and the accuracy of draft and loadline marks.
Details of typical service and ballast conditions, provisions for evaluating other conditions of loading and a summary of the ship's survival capabilities, together with sufficient information to enable the master to load and operate the ship in a safe and seaworthy manner.
Liquefied gas carriers and terminals must each have an Emergency Shut-Down (ESD) system. In the event of an emergency during loading which is normally the preferred order of operating these emergency shut down systems?
Operate both ESD systems together, simultaneously.
Operate the ship ESD system first.
Operate the terminal ESD system first.
There is no preferred order of operation for these systems.
Why should a surveyor be in attendance when discharging steel rebars from a General Cargo Vessel?
In case cargo is found damaged during cargo discharge operations
Because individual rebars will be inter-twined with those below them and will therefore be discharged in damaged condition
Because of charterers? requirements
Because it is a P. & I. Club requirement
Why are all passenger ships divided into vertical ’zones’?
Vertical zones are separated with fire doors which will be closed automatically when the fire alarm start.
All vertical zones are separated with watertight doors, which will be closed in the case of a grounding, etc.
Vertical zones are fire zones which can be divided from each other with fire doors. In case of fire, all fire doors in front and aft of the fire will be closed to prevent spreading of smoke/fire.
There is one fire team in each zone.
What should be done immediately if during the voyage the temperature of bulk coal exceeds 55?C?
Seal the hold and cool its boundaries using seawater
Notify the harbour authorities at the port of destination
Seal the hold completely and monitor the cargo using suitable instruments
Notify the ship owner and/or charterer
What name is applied to foods (in particular meat) that have been prepared according to the rules of Islam?
Kamal.
Hamal.
Tamal.
Halal.
Which of these is not a Cargo Transport Unit under the IMDG Code?
Road tank vehicle
Pallet
Portable tank
Freight container
Indicate the correct name for the part marked on the sketch:
Air cooler
Cylinder head
Crankshaft
Turbocharger
A new cylindrical brass bearing sleeve for a pump shaft is found to be a few millimetres too long for the housing and needs to be adjusted to the correct length. Which will be the best method to use to reduce the length of the sleeve to the correct dimension?
Remove the excess length using the ship's lathe.
Grind off the excess on a pedestal grinder for quickness.
Cut off the excess with a mechanical hacksaw.
Manually hacksaw off the excess and dress the end with a file.
In the diagram, which letter is pointing to the area of the ship known as the "STERN"?
The Stern area is indicated by A, in the figure
The Stern area is indicated by D, in the figure
The Stern area is indicated by C, in the figure
The Stern area is indicated by B, in the figure
With reference to the text in the frame: what is stated as a threat to lives at sea and the marine environment?
There is no immediate threat to the crew or environment
All old or new ships which are badly managed ships.
All ships aged between twenty and thirty years old.
Bad management and poorly maintained older ships.
Hydrocarbons belongs to a chemical group named:?
Alkanes
Organic substances.
Carbohydrates.
Alkenes
Which oxygen content shall we measure before entering a tank or space after venting?
The oxygen content shall be measured to 10,8% by volume
The oxygen content shall be measured to minimum 19% by volume
The oxygen content shall be measured to 21% by volume
We don’t need to measure the oxygen content
The peak pressure (maximum cylinder pressure) is often taken as an indicator of medium speed engine performance along with other parameters. What would be a typical peak pressure for a modern, highly rated, medium speed diesel engine?
140 to 180 bar
10 to 12 bar
80 to 100 bar
14 to 18 bar
You have just loaded a cargo of Toluene and are about to clear the lines into the ship. What particular hazard must you be aware of with this product?
It is a carcinogen but has a relatively high odor threshold value. Personnel may not readily detect any vapour that is ejected through the vent risers and should therefore use filter masks while this operation is in progress.
It is a static accumulator and settling time must be allowed before gauging.
It has a relatively high freezing point and additional line blowing will be required to ensure the vessel's lines are completely clear.
It has a relatively low density. Tanks which are close to maximum filling are especially liable to overflow during the line clearing operation unless the flow of blowing medium is strictly controlled.
How should a crew member on duty prevent scratching vehicles?
By removing his safety helmet when approaching a vehicle
By maintaining a safe distance from all vehicles
By wearing gloves at all times
By not wearing or carrying any external metal accessories
If a master initially responds to a distress but then, in special circumstances, decides not to proceed, what must he then do?
Inform the appropriate search and rescue authorities of his decision and enter the reason in the ship's logbook.
Inform his owners of his decision and resume his passage at the earliest opportunity.
If possible, inform the casualty of his decision and communicate his reasons.
Contact the SAR Mission Co-ordinator and secure his written agreement to the release of his vessel from the operation.
Some spaces and zones on a liquefied gas carrier are classed as gas-dangerous as it is likely that they may contain flammable vapour and do not have venting arrangements to prevent this. What is the designation used for the other spaces and zones on liquefied gas carriers?
Gas-safe.
Vapour-free.
Gas-free
Gas-less
A resistor has three red bands. What is the resistance?
220 ohm
22 ohm
2200 ohm
222 ohm
Where would you normally expect to find the air vent cock on a steam boiler?
At the feed water inlet pipe connection.
At the highest point of the steam drum.
At the superheater outlet
On the highest point of the steam range.
What kind of cargo pumps is most common on LNG carriers?
Deepwell pumps.
Single stage deepwell pumps.
Submerges motor pumps.
Multistage deepwell pumps.
You are alongside, port side to, about to commence loading several grades of chemicals. The Duty Officer instructs you over the walkie-talkie to proceed to the port manifold and open the valve to 4 port line. When you get there, there is no hose connected to that line. What will you do?
Open the valve to 4 port line as instructed.
Report the situation back to the Duty Officer. Request clarification and confirmation of the instruction.
Take a look at the starboard manifold. There is a hose loop between 4 port and 4 starboard lines. Assume the Duty officer must have meant this side and open 4 port line on this manifold.
Although there is no hose connected to 4 port line, there is one connected to 3 port line. Assume the Duty Officer must have meant this line and open this valve instead.
What measures should be taken when handling mail?
Wear rubber gloves and protective clothing when opening suspicious looking mail.
Open any mail that looks suspicious.
Tear open letters with your hands.
X-ray or scan parcels before opening them.
Whish of the following disposal would be permitted?
Food waste from a vessel outside a special area and 10 miles from nearest land
Food waste from a vessel inside a special area and 10 miles from nearest land
Paper products from a vessel inside a special area and 15 miles from the nearest land
Food waste from a vessel outside a special area and 12 miles from the nearest land
The engines have failed and will require at least 24 hours to be available as a reliable means of propulsion. Your vessel is about 20 miles off the coast in a tidal area. What are the initial steps that should be taken to ensure the safety of the ship?
Display NUC lights and determine if anchoring is possible
Display NUC lights and inform the nearest Coast Guard of you predicament.
Display NUC lights and send out a navigational warning to all other vessels of your position and situation
Display NUC lights and investigate the tidal flow over the next 24 hours and the probable drift of the vessel.
What is one of the main features of the cylinder lubricating oil used in large 2 stroke marine diesel engines which normally operate on heavy fuel oil?
It is a pure mineral oil without any special additives.
It is strongly alkaline.
It is strongly acidic.
It is neutral with a pH value of 7.
Many large slow speed diesel engines operating on heavy fuel oil have a fuel injection system which features Variable Injection Timing. How does this affect engine operation?
VIT allows the ship's engineers to alter the injection timing for each load setting with a simple single adjustment of the fuel rack.
VIT increases engine efficiency by automatically maintaining the maximum cylinder pressure over the entire load range.
VIT increases engine efficiency by automatically maintaining the maximum cylinder pressure over part of the load range.
VIT improves engine operation by automatically controlling the start of fuel injection when it detects a poor quality fuel.
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
On the figure 4 possible definitions of the term "AFT" are shown. Which one is the correct one?
Aft is defined as B on the figure
Aft is defined as C on the figure
Aft is defined as A on the figure
Aft is defined as D on the figure
What is the meaning of this symbol ?
Lifebuoy
Immersion suit
Lifejacket
Child`s lifejacket
How many buoyant smoke signals are carried in each lifeboat?
6
12
4
2
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.