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家 在线测试 CES Passenger MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Passenger vessel
在线测试： Test online CES 5.1 for MASTER / Ch-Officer, Passenger vessel
在线测试
描述
该测试由有关选定主题的随机问题组成。
问题 1 从 90
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How many hand held distress flares are carried in each liferaft with SOLAS A pack?
4
6
Nil
2
Fire provokes:
Gases, flames, smoke and heat
Radiation and smoke
Vapours, smoke and flames
Vapours, radiation, gases and flames
*Under which circumstances should a sprinkler head of a common fixed sprinkler fire-extinguishing system be activated?
Automatically, when the temperature is within a range from 68°C to 79 °C
When the temperature is within a range from 68°C to 79°C, but after the corresponding alarm is acknowledged and assessed at the control panel
When the smoke density exceeds 12,5% obscuration per meter, but after the corresponding alarm is acknowledged and assessed at the control panel
Automatically, when the smoke density exceeds 12,5% obscuration per meter
What quantity of reserve fuel is to be available for diesel driven fire pumps outside of the main machinery space? (SOLAS II-2/4.3.3.2.4)
Sufficient amount for fifteen hours operation at full capacity
40 litres
20 litres
Sufficient amount for six hours operation at full capacity
*Which of the following spaces may be protected by a fixed high expansion foam fire-extinguishing system?
Machinery spaces of category A-
Cargo pump room of tankers
Ro-ro cargo spaces capable of being sealed, if it is deemed that it gives an equivalent protection as the one that should be achieved by a fixed CO2 system
All the spaces mentioned
Multipurpose dry chemical powder
will only extinguish A and B fires
will conduct electricity with very high voltage
will never conduct electricity
will only extinguish B and C fires
Whilst in the Engine room you hear the CO2 release alarm, what action if any should you take.
Take no action as it is probably someone testing the system, as the fire alarm has not been sounded and the engine room is not on fire.
As CO2 can not kill you, secure present work and proceed out of engine room.
Leave the engine room as quickly as possible, closing all doors behind you.
Proceed to the engine control room and call the bridge for further instructions.
If circumstances permit, how should low expansion foam be applied to oil burning in the bilges of the engine room?
The foam should be directed towards the bulkhead behind the fire and allowed to spread out slowly over the fire
The foam should be applied to the centre of the fire
The foam should be directed at about 45 degrees upwards so that it can drop onto the fire
The applicator should be used in a sweeping motion to spread the foam over the surface
Which one of the listed requirements regarding radiotelephone auto alarm do not correspond to present regulations? Automatic receiving equipment shall:
in presence of atmospheric or interfering signals automatically adjust itself
as far as practicable give warning of faults preventing the apparatus from performing normal functions
be capable of withstanding variations in power supply voltages, and shall continue to operate under such conditions
be capable of withstanding vibration, humidity and temperature changes
The portable walkie talkies required to be carried by GMDSS regulations should have which channels as a minimum?
Channel 16 only
Channels 13 & 16
Channels 6, 13 & 16
Channels 6 & 16
The display of the DSC-controller on board is showing the following lines: RX: 002442000 ; Ch87 ; D Sellcall Routine We’re asked to listen on:
Radio telephony-channel 7 in the 8 MHz band
VHF- channel 87
VHF- channel 16
Channel Delta of the coast station
How many total frequencies are available for DSC distress alerting?
Five (5).
One (1).
Two (2).
Seven (7).
What is MERSAR an abbreviation for?
Maritime Emergency Radio Signal and Response.
Merchant Radio Signal and Receiver.
Merchant Ship Safety and Rescue.
Merchant Ship Search and Rescue Manual.
Which of the following is a SART transponder frequency :
121,5 MHz
VHF 70
2182 kHz
9 GHz
Which of the following is not a system for broadcasting MSI?
SAFETY NET
FLEETNET
HF telex
NAVTEX
Your vessel is acting as the on scene commander during a distress rescue. Various vessels are interfering the distress traffic on the VHF. What message would you use to stop them interfering with this traffic?
Seelonce distress
Seelonce pan
Seelonce securite
Seelonce mayday
Each ship fitted with a VHF radiotelephone installation shall according to the regulations listen on the distress frequency during navigation. Listening shall be:
8 hours a day
A period of 5 minutes after every half hour
A period of 5 minutes after every full hour
Continuos
On board they want to have a dial-phone call via Inmarsat with the Apollogracht. In the guides the following ID’s are found for the Apollogracht:344320000, 424432010, 424432020, 1300210, 36715. What ID should be chosen:
424432010
424432020
1300210
Don't know
Why are you only allowed to load maximum 98% of the tank capacity?
It is company policy.
Danger to vessel stability and strength.
Due to temperature expansion.
Danger of overloading.
During a double banking operation the off-take or smaller vessel generally provides the moorings. If wires are used it is recommended that ropetails are fitted onto the ends of the wires. This is to:
Introduce some elasticity into the lines for shock load absorption
Introduce electrical discontinuity between ships
Permit quick cutting in an emergency
All the listed alternatives
The International Organisation which has developed GMDSS is :
INMARSAT
SARSAT-COSPAS
IMO
ITU
An area A3 is:
an area excluding sea area A1 and A2 within the radiotelephone coverage of at least one MRCC in which continuous watch on 8414,5 kHz is available
an area excluding sea areas A0, A1 and A2
an area in polar regions
an area excluding sea areas A1 and A2 within the radiotelephone coverage of at least one Inmarsat geostationary satellite in which continuous alerting is available
What is the first function of GMDSS?
Transmission and reception of on scene communication
Reception of shore to ship distress alerts
Transmission of ship to shore alerts
Transmission and reception of signals for locating
The PTT-switch must be:
pressed in during speaking only to work duplex
Don't know
pressed in constantly to work simplex
pressed in during speaking only to work semi-duplex
The ship-shore HF-telephone-channel 2228 consists of the frequencies 22081.0 kHz and 22777.0 kHz. In case of manual operation, one should tune the receiver on:
22777.0 kHz
the common receiving frequency for the 22 mHz band
Don't know
22081.0 kHz
What is the meaning of this symbol ?
Immersion suit
Direction indicator
Embarkation station
Muster station
*At least, how often shall life boats be launched with their assigned operating crew aboard and manoeuvred in the water?
Every week
Every three months
Every month
Every two weeks
Which of the following detailed explanations should be mentioned in the Training Manual ?
The use of escape routes and other escape methods
The use of navigational equipment for survival crafts
The use of all survival equipment
The use of surface to air visual signals to be used by survivors
How often shall each member of the crew participate in an "abandon ship"-drill?
Once every month
Once every week
Once a year
Once every 6 months
Your vessel has been involved in a collision, and at first opportunity a lot of people from outsides parties are asking questions. What shall you tell them?
Do not tell anybody anything, except representatives from the main newspapers, radio and TV. Remember, the people have the right to know.
Do not reply to any questions from outside parties, except the Solicitor appointed by your company.
You shall only tell them the truth and nothing but the truth.
To make sure that all parties are informed about the facts, show them the extracts of the log-book.
Diodes are widely used in rectification, or the conversion of alternating current to direct current. The sinusoidal input voltage V(in) is applied to the circuit shown. Which of the output voltages is correct ?
Figure 1
Figure 4
Figure 3
Figure 2
What is the normal thickness of the primary barrier (membrane) on membrane containment type systems?
0.7 - 1.5 mm
1.5 - 2.0 mm
2.0 - 2.5 mm
0.2 - 0.5 mm
The majority of medium speed main propulsion installations incorporate a reduction gearbox between the engine and the propeller shaft. Why is this arrangement usually required?
So that the engine can be more easily reversed.
So that the engine can be coupled to a controllable pitch propeller.
So that the propeller operates in a relatively efficient speed range.
So that the engine can also drive a shaft alternator.
During a Crude Oil Washing operation, if measurement of the atmosphere within the tank indicated that the oxygen level had risen to above 8%, what action would you take?
Stop the washing operation as you have reached the required level. Pump out the remaining oil and then wash the tank with water.
Contuinue washing, but increase the delivery rate from the IG generator.
Stop the washing operation and do not resume until a level of less than 8% oxygen content by volume has again been acvhieved.
Take no action. It only becomes a critical situation if a level of greater than 11% oxygen content is measured.
Some 4-stroke engines are fitted with a rotorcap on the cylinder head valves. For what reason?
Rotate the inlet valve during operation.
To prevent the valve spindel to stick..
Distribute the exhaust gas or the air inlet better to improve combustion.
Improve the scaling surface function, increase the service time of the exhaust valve in the engine.
To control bleeding, a tourniquet should be applied:
Only when all other means have failed
Whenever it is possible to stop bleeding
Only on Radio medical advice
Whenever you have to transport the casualty
What is the main problem associated with a bulk cargo suffering moisture migration and developing a flow state
The may block up bilges
The cargo pile will remain stable
The cargo becomes semi-liquid and shifts easily causing major stability problems
The cargo may produce carbon dioxide gas
What should a cadet be aware of when using a needle gun?
A Cadet should be aware of the dangers associated with using a needle gun
A Cadet should be aware that the valve of a needle gun is not to be opened before starting to descale rust
A Cadet should be aware of the thickness of the needle gun valve
A Cadet should be aware that there could be a leak in the cowline of a needle gun
On a RoRo vessel, which of the following is not required in the pre-stowage plan?
Checking communications equipment
Assigning crew duties
The operation of gas-tight and watertight doors
Stowage and securing of specialised cargoes
The temperature of the feed water for an auxiliary boiler is automatically controlled by a pneumatically actuated steam valve at the inlet to the pre-heater. It is noticed that during high demand the temperature falls by an unacceptable amount and takes a long time to return to the set temperature even though the steam supply pressure remains constant. Select from the options given the most likely cause of this.
The controller proportional band is set too wide.
The controller proportional band is set too wide and the reset time is set too long.
The controller reset time is set too long.
The control air pressure regulator is set too low.
Ballast introduced into a cargo tank on a chemical tanker which has been washed to such an extent that the ballast contains less than 1 ppm of the substance previously carried may be discharged into the sea without regard to the discharge rate, ship's speed and discharge outlet location, but under certain conditions. What are those conditions?
That the vessel is not less than 50 miles from the nearest land and is proceeding on route.
Provided the ship is underway and a sample of the ballast water has been drawn from the tank and is stored on board, there are no additional conditions to be imposed on such a discharge.
That the discharge is passed through the Oil Discharge Monitoring Equipment and a visual watch is maintained on the vessel's wake.
That the vessel is not less than 12 miles from the nearest land and is in water that is not less than 25 metres deep.
During inspection of a cylinder of a large slow speed diesel engine it is noted that there are hard deposits around the upper part of the piston crown above the top ring groove and also some evidence of scuffing on the liner wall. From the options given select the one which is the most likely cause of this problem.
The piston cooling is inadequate causing overheating.
The fuel oil being used has too high a sulphur and ash content.
Insufficient cylinder oil is being supplied.
Cylinder oil with TBN to great for fuel grade is being used.
During loading operations on conventional reefer vessels steel sheets are sometimes placed in the hatch square to avoid damage to the gratings in the square. Select, from the options given, the likely consequence of leaving the steel plates in the hatch square.
Steel has a different heat capacity to the cargo and may cause unexpected results from cooling the cargo during passage.
The stevedores will claim against the vessel for removing the steel plates.
The steel plates may overload the gratings if they are left in place with cargo on top.
The steel plates may block the flow of refrigerated air through the cargo.
What do you understand by the term "Let Go" when applied to mooring and unmooring?
Let Go means to let seafarers go ashore
Let Go means to slacken a mooring rope
Let Go means to leave the ship
Let Go means to cast off the mooring ropes and wires
What is the minimum number of relief valves to be fitted to any cargo tank of greater than 20 cubic metres capacity?
Minimum two pressure relief valves in addition to MARVS.
At least two pressure relief valves.
Minimum one pressure relief valves.
The required number of pressure relief valves is dependent on the pressure.
Who is responsible to ensure that all personnel on board are provided with suitable Personal Protective Equipment where it is needed?
The Company/ employer
The Head Department
The safety officer
The Master
A threaded hole is to be formed in a steel plate using a tap and wrench. When drilling the hole which of the options best describes the required drill size?
The drill should be a bigger size than the diameter of the tap.
The drill should be a smaller size than the diameter of the tap.
The drill should be the same size as the diameter of the tap.
The drill should be the same size at the diameter of the bolt that is to be fitted into the hole.
Which of the following options would be a typical pressure setting for a main engine slow down in the event of jacket cooling water system low pressure?
0.2 to 0.5 bar
1to 2 bar.
10 Bar
5 Bar
Who is responsible for the regular security inspections of the ship?
The Company Security Officer
The Classification Society.
The Ship Security Officer
The Port Facility Security Officer
You are going to inspect a fresh water tank together with one of the Engineers. Is it safe enough to open the manhole and enter the tank (it is only fresh water) or do you have to take extra precautions before entering?
Use a breathing apparatus if the oxygen level is below 21%
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
Remember to have a colleague standing by to assist you if any problems
Where would you look for a summary of the important safety and handling information on a particular chemical cargo loaded on your ship?
The IBC Code.
The Master's Standing Orders.
The Company Cargo Handling Manual.
The Material Safety Data Sheet.
Bulk Coal cargoes may produce methane and carbon monoxide gas; what are the main features of these two gasses?
Methane and carbon monoxide gasses are flammable and lighter than air
Methane and carbon monoxide gasses are non-flammable and lighter than air
Methane and carbon monoxide gasses are non flammable but toxic
Methane and carbon monoxide are heavier than air and flammable
What would be the correct form of response to the question: What kind of assistance do you require?
The correct form of response would be: There is a fire onboard my vessel
The correct form of response would be: I need help as soon as possible
The correct form of response would be: I need help on board with a fire and the smoke is very toxic
The correct form of response would be: My vessel has a fire in the accommodation and we require fire-fighting assistance
Electric arc welding is to be carried out in the machinery spaces other than the workshop. Which of the alternatives below would be the correct procedure for the connection of the "return" cable to the welding set?
Weld a stud bolt close to the work piece and connect the return cable to this.
Connect the return clamp direct to the work piece and welding set via a cable of suitable length.
Any of the listed alternatives.
Have a short length of cable permanently connected to the ships structure close to the welding set.
How should additional lashings be applied to vehicles if they do not have sufficient lashing points?
Pass lashings over the vehicles’ axles
Pass lashings over the body of the vehicles
Secure the vehicles’ wheels
Secure the front and rear bumpers
Methane/air mixtures in the range of 5.3 - 14% are flammable and have an auto ignition temperature of approximately 595 degrees C. What is meant by the term 'auto ignition temperature'?
It is the lowest temperature at which flammable gases are given off by the mixture.
It is the lowest temperature at which the mixture will ignite when a flame is applied to it.
It is the lowest temperature of the source of ignition required to ignite a flammable mixture.
It is the temperature at which the mixture will spontaneously ignite and continue to burn without an external source of ignition.
HP pressure fuel pumps for medium speed engines are often provided with visible witness marks on the pump casing and the pump tappet. These along with flywheel position can be used to check the fuel timing for the individual pump. Wfrom the options given select what is actually indicated when the witness marks are aligned?
That the pump plunger has reached the end of its stroke.
That the pump plunger has just uncovered the spill port.
That the main piston for that particular cylinder is at top dead centre position.
That the pump plunger has just covered the spill port.
When checking the closed butt gap clearance of new piston rings prior to fitting onto the piston it is normal to try the rings in the liner so that the gap can be measured. From the options given select the best part of the liner to use to carry out these checks.
Near mid-height of the liner.
Near the bottom of the liner.
Near the top of the liner.
Just above the scavenge ports.
Which of these situations will not result in an emergency shutdown of cargo operations?
Failure of the hold ventilation system
The vessel developing and sudden and unexpected list
A blackout on board
The loading ramp being lifted clear of the jetty
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
"Passivation" is a restorative process periodically applied to stainless steel tanks on a chemical tanker. What effect does this process have on the steel surface?
It causes a chemical reaction, which produces a new inert Chromium Oxide layer on the surface of the steel.
It restores and reforms the passive Chromium Hydroxide surface layer.
It restores the surface steel to an even and smooth finish, thereby encouraging drainage during discharge.
It restricts active corrosion on the surface steel.
Which of the 4 alternatives shows the symbol for a PNP transistor?
Figure 4.
Figure 3.
Figure 2.
Figure 1.
When we are measuring temperature with a thermistor, the type of sensing device is:
Temp sensitive semi-conductor
Junction of two dissimilar metals
Capacitance probe
Platinium wire resistor
On a RoRo vessel, what is a low-bed Ro-Ro unit that is towed onto a ship called?
Mafi Trailer
Trailer
Flatrack
Flatbed
The charge air pressure supplied to a diesel engine, which is normally 2.0 bar, is reduced to 1.5 bar . What will be the likely effect on the engine operation?
The performance of the engine will be reduced noticeably.
The turbochargers cooling water flow will increase.
The performance of the engine will be similar to normal conditions.
The cylinder cooling water flow will increase.
What is the danger of having a large bunker tank only partially filled with bunkers?
Excessive corrosion of the tank sides.
FSE and virtual loss of GM.
Constructional damage due to liquid movement in the tank.
Insufficient bunker to complete the voyage.
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.
What general background colour is used on warning signs that indicate emergency or first-aid features, or indicate a safe condition?
Blue.
Green.
Yellow.
Red.
A fully refrigerated liquified gas carrier, equipped with membrane tank with MARVS less than 0.7 bar and cargo temperature of less than -10 C. What type of barrier is required?
Complete secondary barrier.
No secondary barrier required.
Partial secondary barrier.
No barrier required.
A medium speed diesel engine which is supported on a steel chocking system has had repeated problems with two of the chocks at the end of the engine on the port side becoming slack. This has led to some fretting damage to the bedplate and tank top in that area. What action should be taken to affect a cost effective permanent repair?
Replace the damaged chocks with resin based chocks of an appropriate size.
Replace the complete steel chocking system with a resin based system.
Tighten the holding down bolts in that area to 150% recommended load to prevent further slackening and fretting.
Replace the complete steel chocking system with one using resilient mounts to accommodate movement and avoid further incidents of fretting.
In the event of an accidental or other exceptional discharge into the sea of a Noxious Liquid Substance or mixture containing such a substance, an entry shall be made in the Cargo record Book. What details must be recorded?
Position at start of accidental discharge; Position at stop of accidental discharge; time at start of accidental discharge; time at stop of accidental discharge; reason for accidental discharge; name of Person in Charge of operation at time of accidental discharge.
Date of occurrence; position (latitute and longitude); estimated quantity; Category (ies); extract from Log Book detailing the incident.
Time of occurrence; Approximate quantity, substance(s) and Category(ies); Circumstances of discharge or escape and general remarks.
Date of occurrence; Time of Occurrence; Name of Responsible Person; Name of Master; Statement of Responsible Person; Statement of Master; Approximate quantity of product discharged; Category of product discharged; identity of nearest sovereign State and Authority of that State contacted with applicable report reference.
In terms of an oil tanker fitted with two slop tanks, how are they commonly referred to?
Slop tank (cycle A) and slop tank (cycle B)
Slop tank (settling) and slop tank (decanting)
Primary slop tank and secondary slop tank
Nominal slop tank and back-up slop tank
Which of the options given is likely to be the reason for a drop in the charge air manifold pressure of a diesel engine operating with an exhaust gas turbocharger?
Insufficient cooling of the charge air.
Exhaust gas boiler fouled.
Engine room exhaust fans stopped..
Scavenge ports dirty.
A refractory material is one that will retain its solid state even at very high temperatures, and furnace temperatures as high as 1650 °C have been recorded in marine boilers. What is the primary purpose of using a refractory?
They act as a heat sink, and ensure more even distribution of heat throughout the furnace.
All of the mentioned alternatives.
They are used to protect exposed parts of drum, which otherwise could become overheated.
To protect the furnace casing from overheating, burning and possible escape of gases into boiler room.
On a container vessel, select from the list the most effective method of dealing with a fire in an under deck cargo space.
Boundary cool the cargo hold from the deck.
Deploy the fixed fire fighting system.
Tackle the fire locally with fire hoses.
Turn the vessel off the wind to reduce the relative wind strength.
The effective stability of a tug, when assisting a vessel to manoeuvre, can be decreased by hydrodynamic interaction with the ship it is assisting. Where is the most dangerous position of the tug relative to the ship, for this adverse affect to be found?
The most dangerous position is when the tug is alongside the amidships section of the larger vessel.
The most dangerous position is where the tug has made fast the towing spring and is then moving ahead of the larger vessel.
The most dangerous position is where the tug approaches the stern of the larger vessel and enters into its associated positive pressure field.
The most dangerous position is where the tug approaches the bow rounding the forward shoulder of the larger vessel.
What name is applied to foods that have been prepared according to Jewish law?
Roaster.
Israelish.
Mosher.
Kosher.
Why do we insulate cargo tanks and other components?
To protect the crewmembers.
To prevent heat flow in the cargo, and to protect the ship's bunker tanks.
To save fuel.
To prevent heat flow into the cargo, and to protect the ships structure.
For what purpose do we have booster pumps on the cargo discharge line onboard gas carriers?
On gas carriers we have booster pumps on the cargo discharge line to increase the discharge pressure and reduce the cargo temperature.
On gas carriers we have booster pumps on the cargo discharge line to increase the discharge line pressure above shore back pressure.
On gas carriers we have booster pumps on the cargo discharge line to easily reduce the flow and pressure to shore line.
On gas carriers we have booster pumps on the cargo discharge line to increase the discharge rate to shore.
Which push-button valve A, B or C must be pushed (operated) in order to obtain movement of the pneumatic cylinder S?
A
B
None
C
When loading coal on a Bulk Carrier, what should the ship be provided with?
Ramneck tape
Means for drawing cargo samples
A glass hydrometer
Means for measuring cargo temperatures
From the options given, select the one which best completes the following statement. "A seaman who is required to work in a hatch containing perishable goods should wear gloves that are…
…canvas."
…leather palmed."
…clean."
…insulated."
What is ‘Reserve Buoyancy’?
The buoyancy provided by all enclosed spaces above the waterline
The residual buoyancy at an angle of loll
The residual buoyancy at the maximum righting lever
The buoyancy provided by all spaces above the waterline
What would be the most probable cause if the exhaust gas from a diesel engine looked a bit blue in colour?
Bad fuel oil.
Clogged charge air cooler.
Engine is too cold.
Engine burning too much lubricating oil.
With regard to fire hose boxes and/or fire hydrants, what must be ensured upon completion of cargo loading operations on a General Cargo vessel?
Fire hydrants must be accessible at all times
Fire hose boxes must be lashed so as to prevent accidental opening
Fire hose boxes must be accessible at all times
Fire hose boxes and fire hydrants must be accessible at all times
What is the purpose of a Bridge Fitting?
To link the top containers of adjacent stacks
To link the top containers stowed at the fore end of the vessel
It is used as extension pieces for lashing rods secured to a lashing bridge
To link the top containers secured to a lashing bridge
Which of the following is not relevant when handing over a cargo watch?
Prevailing weather conditions
Failure or stoppage of cargo handling equipment
Status of ballasting or de-ballasting operations where applicable
Status of cargo loading or discharge operations
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.
A reefer vessel, which is about to carry a palletised cargo, has to have available sufficient cargo equipment including air bags (dunnage bags), air lines and valves, cargo slings, wooden dunnage, nails, etc. These items are required to ensure a quick loading operation and a successful passage. Complete the following statement from the options given. "Air bags are particularly important in that ….
… they are quick and easy to deploy."
… they secure the pallets against movement during the passage."
… they protect the pillars and the vent trunking against damage during heavy weather."
… they reduce the movement of the pallets and prevent short circuiting of the air flow."
What is to be considered when deciding the position of the accommodation on an oil tanker?
They must be at the after end of the vessel.
There are no restrictions to the position of the accommodation.
A single failure of deck or bulkhead shall not allow fumes into the accommodation spaces.
There must only be one accommodation block.
该在线测试包含来自 CES 5.1 测试的 90 道随机问题，涉及您选择的主题。