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问题 1 从 90
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Give the meaning of the following symbol
Lifeboat hand flare
Survival craft distress pyrotechnic signals
Rocket parachute flares
Line throwing appliance
Oily rags and metal turnings
are not a fire hazard at all
are not a fire hazard unless ignited
are a fire hazard because they generate their own oxygen when ignited and are therefore difficult to extinguish
are a fire hazard because they are liable to spontaneous combustion
Fixed pressure water-spraying fire-extinguishing systems are widely employed in all kinds of vessels, mainly passenger ships and ro-ro ships, with a high degree of success. The aim of these systems is to put out a fire but they may also be very useful even if they only ensure
the control of temperatures of surrounding areas
the structural protection of the vessel
all the answers are good
the confinement of a fire
In order to achieve a greater effectiveness when using a permanent system of extinction with gases (for example CO2), we must…
Check the valves, seal the area and activate the extinction system
Only activate the alarm, then the extinction system
Activate the alarm, evacuate the area and seal the place, then activate the extinction system
Activate the extinction system before we activate the alarm
A polarisation of a radio wave is determined by:
Length of the aerial
Condition of the aerial
Height of the aerial
Position of the aerial
Where should the placard you are shown be located, according to U.S. Coast Guard regulations ? (Title 33-Navigation and Navigable waters, § 155.440 )
In a conspicuous place at the bilge and ballast pump control station
In the wheelhouse
In a conspicuous place in each machinery space
Both in a conspicuous place in each machinery space and in a conspicuous place at the bilge and ballast pump control station
Prior to entering service on a vessel in foreign trade for the first time you are required to have a health certificate not older than?
Three months.
One year.
Six months.
Five year.
What is the status of the rules of the SOLAS convention?
Mandatory.
Should be consulted when the vessel is in distress.
Supplementary to classification rules.
Must be regarded as guidelines.
OPA-90 is applicable for the following types of vessels
All vessels carrying more than 10 000 gallons of oil , irrespective whether as cargo or bunker
Tanker vessels carrying oil
Tanker vessels carrying oil or other dangerous cargo
Tanker vessels carrying oil without segregated tanks
When a pollution incident occurs there is a plan for actions to be undertaken. State which of following priority sequences to be considered:
Stop pumps - clean up - report?
Stop pumps - report - clean up?
Report - stop pumps - clean up?
Clean up - report - stop pumps?
How many annexes do we find in MARPOL 73/78 and what is the content of annex 1?
We find 4 annexes in MARPOL 73/78 and annex 1 regulations for the prevention of pollution by garbage
We find 5 annexes in MARPOL 73/78 and annex 1 is the regulations for the prevention of pollution by sewage
We find 1 annexes in MARPOL 73/78 and annex 1regulations for the prevention of pollution by chemicals.
We find 5 annexes in MARPOL 73/78 and annex 1 is the regulations for the prevention of pollution by oil
What is the flash point of a Class 3.2 substance?
Lower than 0?C
Lower than 23°C
Lower than or equal to 61?C
Lower than -18?C
Give the meaning of the following symbol
Water fog applicator
Manually operated call point
Fire station
Fire alarm panel
Which of the following hull shapes would normally provide a directionally stable ship?
A long ship with a wide beam
A short ship with a wide beam
A long ship with a narrow beam.
A short ship with a narrow beam
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
The ship has completed a 360 degree turn at full speed in deep water. The ship is now to repeat the turn at full speed in shallow water. What will be the difference in the turning circle diameter?
The turning diameter will be smaller in shallow water
The turning diameter will be the same for all depths
The turning diameter will be increased in shallow water
It will be the same provided the UKC is 25%-50%
Give the meaning of this symbol:
lifebuoy with line
lifebuoy with light
lifebuoy with light and smoke
lifebuoy
Give the meaning of the following symbol:
muster station for families only
embarkation station
muster station
muster station for unaccompanied minors (UM)
*In a distress situation, how many times or for how long should the emergency alarm signal be sounded ?
until the signal "risk is over" or the order "abandon ship" is given
until all crew members and passengers have reported to their respective muster stations
3 times
3 minutes
Give the meaning of the following symbol:
survival kit
lifejacket
immersion suit
child's lifejacket
Wearing an immersion suit when abandon ship is effective permits the person:
to climb up and down vertical ropes
not to wear warm clothing because the suit has sufficient insulation
not to wear a lifejacket because the suit has sufficient buoyancy
to jump from a height of 4.5m into the water without being injured or damaging the suit
Which item among those below is included in the normal equipment of every liferaft ?
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
three tin-openers and a pair of scissors
one boat-hook
one searchlight which can work continuously for not less than 3 hours
What is the purpose of the "Bowsing tackle" (block and tackle) supplied at each end of the lifeboat?
It enables the boat to be secured to the embarkation deck so that the wire falls can be released for changing or end for ending
It is a general purpose tackle to be used in any type of emergency
It keeps the boat alongside the embarkation deck so that the tracing pennants can be released
It is designed to pull the boat alongside the embarkation deck after the tracing pennants have been released
In which way shall a survivor be hauled out of the sea?
In 45 degree angle
Horizontal
Vertical
None of the above
What is the meaning of this symbol ?
Survival craft portable radio
Radar transponder
Survival craft pyrotechnic distress signals
EPIRB
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 surface to air visual signals to be used by survivors
The use of drogues
The use of navigational equipment for survival crafts
*Which of the following detailed explanations should be mentioned in the Training Manual ?
How to recover survival craft and rescue boats including stowage and securing
How to use surface to air visual signals to be used by survivors
How to use navigational equipment for survival crafts
How to use escape routes and other escape methods
Which of the following detailed explanations should be mentioned in the Training Manual ?
The use of navigational equipment for survival crafts
The use of surface to air visual signals to be used by survivors
The use of escape routes and other escape methods
The use of helicopter rescue gear
Where do you find instructions for tasks and duties in case of an emergency?
On posters at the lifeboat station.
In the muster list.
In instruction notices posted in the crew's cabins.
In instruction notices posted in messrooms, recreation rooms etc.
Which is the preferred method for starting an air conditioning refrigeration compressor which has been shut down for a period of time?
Start with all system valves fully opened.
Start with the discharge valve throttled in to prevent excess condenser pressure.
Start with suction valve throttled in to minimise risk of drawing liquid refrigerant into the compressor.
Start and stop repeatedly until suction pressure and oil pressure are normal.
What is the purpose of an expansion valve in a refrigeration system circuit?
To control the cooling water temperature through the condenser.
To control the cargo hold temperature.
To control the flow rate of liquid refrigerant to the evaporator.
To control the suction pressure at the compressor.
A bulk cargo is loaded and the cargo stow has been left with an excessive peak height; what could be the result of this situation?
Excessive stresses on transverse bulkheads
Excessive stresses on tank top
Excessive cargo sweat
Damage to hatch covers
At what temperature would you expect to carry a fully refrigerated cargo of butane?
- 43° C
- 23° C
- 15° C
- 4° C
What would be a typical oil feed temperature for purifying heavy fuel oil in a centrifuge in order to ensure good separation?
105 - 108 Celsius.
95 - 98 Celsius.
85 - 88 Celsius
75 - 78 Celsius.
You have just completed your cargo watch on deck, during which you have been working around the manifold, connecting and disconnecting hoses, etc. It is meal-time. Should you take any precautions before entering the messroom and why?
I will remove my overalls and work boots and wash my hands, to avoid the risk of introducing chemical contaminants into the accommodation.
No, I am just going in for my lunch and then returning to work on deck, so it would be a waste of time to get changed.
I will wipe my boots and brush down my coveralls before entering the accommodation, to make sure I don't bring any dirt inside.
I will remove my overalls and workboots, because I will get in trouble from the captain if he catches me in work clothes in the messroom.
You have a cargo of Lube Oil Additive in tank 6 Centre. Which of the following will happen if heating is applied and the temperature increases?
Its weight will increase - it will get heavier.
It will contract - its volume will decrease.
Its weight will decrease - it will get lighter.
It will expand - its volume will increase.
Shortly after starting up a fuel oil purifier oil is seen to be trickling out of the sludge outlet. Which of the options given is the most likely cause of this problem?
Incorrect gravity disc fitted.
Insufficient seal water supplied during start up.
Damaged bowl seal.
Excessive back pressure in the clean oil outlet.
Is there any requirements regarding crew’s language skills?
All crew working directly with passengers must be able to communicate on the language spoken by the majority of the passenger.
Yes, all crew must be able to communicate on the language spoken by the majority of the passengers, or demands set by the company.
All crew working directly with passengers must be able to communicate on the language spoken by the majority of the passenger and english.
All crew must be able to speak english
The stowage factor of a consignment of car parts is given by shippers as 3.00 cubic metres/metric tonne; what space will be required to load 100 tonnes of this type of cargo on a General Cargo Vessel?
3.00 cubic metres
30 tonnes
30 cubic metres
300 cubic metres
Which group of containerised dangerous goods is considered the most hazardous for marine transportation, due to possible decomposition at normal temperatures?
Inflammable liquids
Organic peroxides
Infectious substances
Toxic gases
Which of the following kinds of fish is the least perishable in cold storage?
Herring
Salmon
Halibut
King klip
On a Container vessel, what can cause large loads in lashings when containers are secured to a lashing bridge?
The lashing bridge is flexible but the hatch covers are fixed, causing the lashings to go alternately slack and tight
The lashing bridge is fixed but the hatch covers move when the ship rolls and pitches, causing the lashings to go alternately slack and tight
Due to flexibility of the hatch covers
Due to inflexibility of the lashing bridge
In which of these circumstances can your ship request a DoS?
There is a heightened security risk for your ship and a port facility.
Your ship is conducting activities with a port or ship that is not required to implement an approved security plan.
Your ship is operating at a lower security level than the ship or port it is interfacing with.
Your ship has added a new port to its list of ports of call.
When preparing a cargo tank on a liquefied gas carrier for loading cargo following inspection of the tank a number of different steps are required. What is the first step required after such an inspection?
Inerting.
Drying.
Gassing up.
Cooling down.
Which IMO publication deals specifically with the construction and equipment of liquefied gas carriers?
The IMDG Code.
SOLAS.
MARPOL.
The IGC Code.
You are carrying a bulk cargo of Phosphoric Acid. Which components of the cargo pumps may be damaged as a result of discharging this particular cargo and why?
The cargo seals may be damaged from the abbrasive effect of any sediment.
The valves in the associated piping may be distorted by pressure surges created by cavitation as the acid is discharged.
The outer casing may be corroded by the unstable impurities within the acid.
The impeller veins may be damaged as a result of the relatively high density of the cargo if the pumps are run at too high a speed.
On a Container vessel, what problem is associated with the use of twistlocks?
Freedom to slide when the vessel is rolling an pitching
Susceptibility to wear and tear
Fracturing during rolling and pitching in high seas
Left hand and right hand types exist, causing uncertainty whether a fitting is locked or open
What is the most utilised pump type for cargo discharge on a gas carrier?
Displacement pump.
Booster pump.
Hydraulic driven centrifugal pump.
An electrical operated submerged centrifugal pump.
How can you avoid and/or reduce potential panic among passengers, if an emergency situation occurs?
Do not inform passengers about the situation. It will only create panic and make it difficult for the crew to handle the situation.
Inform the passengers, that there is nothing to worry about, to keep them calm.
Inform passengers at frequent intervals over the public announcement system about the situation and how they shall act. Use as many of the ships officers and crew among the passengers to assist.
Checking that all crew and passenger are present
Why do the cargo holds of a self-unloading bulk carrier have a ‘W’ shaped cross section?
So that during discharge the cargo will automatically fall onto the underlying conveyor belts
To make it easier for cargo to be discharged by grabs
To reduce the extent of tank top damages when discharging cargo
So that cargoes are self-trimming during loading
What is the legal requirement in respect of Material Safety Data Sheets for cleaning chemicals that are used on chemical tankers?
There is no requirement for MSDS for cleaning chemicals. The requirement refers only to Noxious Liquid Substances carried as cargoes.
MSDS must only be supplied for cleaning chemicals that have a significant health or flammability hazard. No MSDS is required for detergents or other light, non-hazardous products.
MSDS must only be supplied for cleaning chemicals when the quantity carried of any individual product would, if used all at once, present a significant pollution hazard,
MSDS must be displayed on board for every cleaning chemical in use.
Why is it important to have an efficient fire patrol system on board passenger ships?
To ensure that an outbreak of fire may be prompltly detected
To control that passengers adhere to smoking regulations on board
To verify that the automatic fire-detection system is working properly
To show passengers in public areas we are on duty 24 hrs
Which of the methods given in the options should be used to test a remote reading temperature gauge for the auxiliary boiler exhaust gas?
Check the resistance change in the sensor over a known temperature range against the resistance values in the product sheet.
Place the sensor in a test tank of oil fitted with a heater element and thermometer and check the temperature gauge at different temperatures.
Place the sensor in a test tank of water fitted with a heater element and thermometer and check the temperature gauge at different temperatures.
Fit a spare temperature gauge and see if the readings are the same.
What is the name of this unit?
A liferaft release unit
A slip hook
An antistatic release unit
A hydrostatic release unit
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?
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
Bring a flashlight and put on safety shoes
Use a breathing apparatus if the oxygen level is below 21%
Remember to have a colleague standing by to assist you if any problems
The physical size of a resistor is an indicator of its
Power dissipation capability
Tolerance
Total resistance
Resistivity
Why do Bending Moment (BM) curves sometimes differ between the loading manual and loading computer?
Because BM values in loading computers are often taken at the bulkheads whereas loading manuals calculate stresses at intermediate points as well
Due to the age of a vessel
Because BM values in loading manuals are often taken at the bulkheads whereas loading computers calculate stresses at intermediate points as well
Due to steel replacements made during the life of a vessel
Through time the container stools on the weather deck / hatch tops of a container vessel can suffer from corrosion and wear down. Select the most dangerous consequence of ignoring this.
It may be difficult to fully lock the twistlocks.
The deck stool may collapse causing the lashings to go slack.
The container will not sit evenly on all four corners.
It may be difficult to remove the twistlocks during cargo operations.
The maximum cylinder pressure is lower than normal due to:
Fouling in the turbocharger.
Fuel oil filters are clogged.
Lost propeller.
Fuel oil with poor combustion properties.
What will you do if you are told to operate unknown mechanical equipment?
As time is money, the trial and error method shall be used.
Ensure that all safety guards and devices are disconnected.
Seek advice from your superior before attempting to operate it.
Do not operate the machine, but read the manual before reporting to the head of your department
What are the lists called that give the position and task during a lifeboat drill for all persons on board the ship?
The Crew List
The Duty List
The Muster List
The Drill List
How frequently should the PA-system (Public Address) be tested?
Every week
Every year
Every day
Every second year
All heat burns should be
Covered with Gauze or bandage immediately
Applied with soothing lotion as soon as possible
Treated by the doctor only
Cooled as quickly as possible with running cold water for at least 10 minutes
A consequence of operating a centrifugal pump with the discharge valve closed would be:
Relief valve will open
Pump will overheat
Motor will overheat
Motor overload will open
What stowage factors should be taken into account when planning the loading of cars, in a pure car carrier?
Overhead clearances
The amount of dunnage to be used
Cargo characteristics
Longitudinal and athwartships distances between the cars
Why is it dangerous to load wet Scrap Steel in containers?
Because of the huge increase in the weight of the cargo
Because the cargo will corrode the container
Because the cargo can spontaneously ignite
Because the cargo will not dry out en route
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.
A 5V dc source has an internal impedance of 0.2 ohms. When a load of 2.3 ohms is applied what voltage will be measured at the source terminals?
4.8 V
4.6 V
5.0 V
5.2 V
How can you avoid and/or reduce potential panic among passengers, if an emergency situation occurs?
Checking that all crew and passenger are present
Inform passengers at frequent intervals over the public announcement system about the situation and how they shall act. Use as many of the ships officers and crew among the passengers to assist.
Do not inform passengers about the situation. It will only create panic and make it difficult for the crew to handle the situation.
Inform the passengers, that there is nothing to worry about, to keep them calm.
What is the correct understanding of the term "Isobar"?
An "Isobar" is the line showing the direction of the predicted path of a hurricane.
An "Isobar" is a line joining places of equal pressure.
An "Isobar" is a line joining places of equal temperature
An "Isobar" is the line of the cold front in a frontal depression
How often shall liferafts be serviced?
Decided by the safety officer
At intervals not exceeding 12 months
At intervals not exceeding 18 months
Every second year
This circuit is a transformer with two windings, N(1) = 2000 and N(2) = 1000 turns, on a common magnetic circuit. Assume that there are no energy losses in the transformer itself. Calculate the output voltage V(2) when the input voltage is V(1) = 100 Volt.
V(2) = 200 V
V(2) = 50 V
V(2) = 10 V
V(2) = 400 V
So as to avoid possible cargo claims at the discharge port what should be maintained besides the cargo lashings?
The vessel itself
Hatch covers, hatchways and cargo hold ventilators
Cargo gear
The cargo
What is the room often called where the crew eat their meals?
The crew cafe
The crew mess
The crew galley
The crew restaurant
A conventional reefer vessel, on passage to the loading port, should pre-cool the cargo spaces intended for shipment of the refrigerated products. Select from the options given, the one which best completes the following statement. "In general, pre-cooling should commence….
…six hours before arrival at the loading port."
…at anytime prior to arrival as long as the delivery air is at the required carriage temperature."
…on arrival at the loading port to demonstrate that the fans can deliver refrigerated cold air to the cargo spaces."
…about 48 hours before arrival with the temperatures in the cargo spaces stable for the last 24 hours."
What is the optimum cargo lashing angle against sliding?
Around 20?
Around 25?
Around 30?
Around 35?
All cargo hatch covers on a bulk carrier are to be hose tested in the presence of a surveyor, prior to loading a cargo of steel coils; what should be done to the hatch covers before the test?
Hatch covers in open position
Hatch cover to be lowered by jacks onto seals but not secured
Hatch cover in normal port condition ready to open
Fully secured to a sea- going condition with all side cleats ( if any) fitted
Why should only one set of ballast tanks be filled at any one time on a Bulk Carrier?
To ensure that bending moments do not become excessive
To prevent excessive lists developing
To ensure that free surfaces in ballast tanks do not become excessive during the ballasting operation
To keep the vessel trimmed by the stern
What letter is represented by this flag and what is it's meaning when displayed by a vessel in port?
P - All persons should report on board as the vessel is about to proceed to sea.
P - I require a pilot.
W - All persons should report on board as the vessel is about to proceed to sea.
S - I am operating astern propulsion.
What is the main reason that passenger baggage creates problems for crowd control?
If passengers are already in muster stations, you will have to allow them to return to cabins to retrieve baggage.
Muster stations are crowded, and passenger baggage takes up space.
There isn't room in the life rafts, and crewmembers will have to tell passengers to leave baggage behind.
Passenger baggage clutters escape routes, and embarkation stations, and slows down an evacuation.
Whenever there is a major bleeding, the first priority should be to:
Stop the bleeding
Raise an alarm
Call the doctor
Take the pulse of the patient
Which of the following is an acceptable reason to avoid a mandatory prewash and may result in an exemption being granted by the Government of the receiving Party?
That the unloaded tank will be washed outside a special area.
That the vessel's stripping system can reduce the residues to less than 10 litres in the relevant tank and its associated piping.
That the vessel temporarily has defective tank cleaning equipment and the prewash will be carried out at the first available opportunity after repairs have been completed and the tank will not be loaded or ballasted before that time.
That the unloaded tank is to be reloaded with the same substance or another substance compatible with the previous one and that the tank will not be washed or ballasted prior to loading.
What is the name given to a liquid, in which the bones of a fish, poultry or meat carcass have been boiled, along with some vegatables, to be used later as the basis of a soup or sauce?
Stop.
Stock.
Broth.
Block.
Due to failure of one of the carbon brushes the excitation voltage is lost on one alternator that is operating in parallel. Will that alternator then:
Completely lose its share of the load causing the auxiliary engine to speed up
Overload due to reduced voltage output and increased current
Continue to share the active load (kW) but have very high reactive load (kVAR)
Try to take all the load and so trip the main circuit breaker
Under normal conditions, the electric power for services supplied from the emergency switchboard is supplied from:
Emergency batteries
An emergency battery charger.
The main diesel generator or shaft generator.
A compressed air driven generator.
If abnormal vibration occurs, what will You do?
Stop the purifier immediately, and make sure the oil is being feed to the bowl.
Reduce the feed oil.
Open more feed oil.
Close for the feed oil.
What could be the most probable cause to an abnormal lubricating oil pressure?
Faulty pressure gauge.
The oil relief valve on the cylinder block or the safety valve in the oil pump is sticking.
Wrong type of lubricating oil.
Clogging in waterside of the lubricating oil cooler.
What will You do if the plate exchanger leaks after cleaning and is back in service. (The measurement A is tightened to minimum measurement.)
Close the valves.
Reduce the pressure.
Tighten more.
Dismantle the exchanger and check or renew the rubber packings.
When using corrosive chemicals for cleaning purposes, should you:
Wear a disposable paper coverall over T-shirt and shorts.
Wear a nylon coverall and ordinary workboots.
Wear anything you want.
Wear protective goggles, gloves, coverall, footwear and mask.
The blower air delivery is not sufficient. What is the cause?
Cooling water temperature too high
Dirty scavenge duct.
Clogged air inlet filter
Air temperature in engine room too high
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。