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在线测试： Test online CES 5.1 for 2nd-Off / 3rd-Off, Passenger vessel
在线测试
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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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*The weak link of a float-free arrangement for liferafts must break under a strain of:
9,7 kN ± 0,4 kN
4,2 kN ± 0,4 kN
0,7 kN ± 0,4 kN
2,2 kN ± 0,4 kN
How much food per person is supplied in a lifeboat?
None - only barley sugar sweets supplied
Not less than 10000 kJ
Not less than 20000 kJ
Not less than 5000 kJ
Give the meaning of the following symbol
Survival craft distress pyrotechnic signals
Line throwing appliance
Radio signal emitting parachute flare
Lifeboat hand flare
*As a general rule, what is the minimum flash point of an oil used as a liquid fuel on board?
There is no limit
30?C
10?C
60?C
Which one of the following is a limitation on the use of chemical powders?
In some cases they may cause a violent reaction on combustible metals such as sodium
Some of them may give off NH3
All the below mentioned alternatives
They may put an insulating deposit on electronic equipment
What number of fire hoses is required for cargo ships of 1000 tons gross and upwards? (SOLAS II-2/4.7.4.1)
One hose for every second fire hydrant
One for each fire hydrant
Two hoses for each vertical fire zone
One hose for each 30 meter length of ship plus one spare. Hoses for engine and boiler room in addition
Which of the following is allowed as a fire-extinguishing medium for fixed gas fire-extinguishing systems aboard ships?
All of the above gas are allowed
Carbon monoxide
Carbon dioxide
Carbon disulphide
The basic components of the self-contained breathing apparatus are…
Mask, bottle, frame , safety valve
Mask, bottle, frame
Mask, bottle, frame, medium pressure valve and low pressure valve
Mask, bottle, frame; low pressure valve
You are carrying out a search in a smoke filled compartment wearing BA. At what stage should you start to make your way out of the compartment?
15 minutes after starting to use the set as this leaves you with five minutes air left.
Wait for the appropriate signal on your safety line as the personnel outside will be keeping a track of the time you have spent inside.
Regularly check your pressure gauge and note how much air you used to reach your work area. Start to return when you have this amount left plus a reasonable reserve.
Wait until the BA set warning whistle sounds.
Select the correct send and receive frequencies for sending a DSC ‘distress alert’ in the MF band:
TX: 2189.5 kHz RX: 2177.0 kHz
TX: 500.0 KHz RX: 518.0 KHz
TX: 2187.5 kHz RX: 2187.5 kHz
TX: 2177.0 kHz RX: 2177.0 kHz
A diabetic has eaten too little food and the person may feel dizzy and lightheaded. The skin becomes pale, with profuse sweathing. Limbs may begin to tremble and pulse becomes rapid. The urine glucose reaction is negative. What kind of medicine will the person need as soon as possible?
Sugar lump, sugar drink or something sweet.
Nothing at all.
Insuline.
A glass of cold milk.
Norwegian merchant- and fishing vessels have to participate in the AMVER system. What is the purpose of AMVER?
Automatic system for plotting vessels with the purpose of rescue.
Weather routing.
World wide telecommunication system.
A NATO reporting system in case of joining a war-convoy.
The ship is in a sharp turn and the log shows sideways motion to port both forward and aft. Where is the "pivot point" located?
Outside the ship itself
At the center of gravity
At 1/6 of the ship-s length aft of the bow, but in the center line
Aft of amidships
During a stay in port, a towing wire is to be put out forward and aft. What is important to take care of regarding this wire?
The wires are just stand by on deck.
For daytime use only.
For night-time use only.
That the wires are just above the water line at all times.
The OOW is expected to double-check the whole voyage plan?
Yes
No
Only the coastal part
Only if no ECDIS is used
What is the shortest distance between two points?
None of the above
Great circle
Composite great circle
Rhumb line
What is the purpose of the « SQUELCH » on a VHF transmitter/receiver?
" reduce the ""noise"" in the background"
Increase the range of the transmitter
increase the sound signal of the receiver
switch to another channel
You are starting to get low on water in the lifeboat. What should you do?
Drink urine
Collect rain water
Use sea water
Mix sea water with 50% fresh water
The rescue quoit of a liferaft is attached to a buoyant line whose length is at least:
5 m
50 m
30 m
10 m
*Which of following items shall be included in an abandon ship drill?
Checking passenger's immersion suits
Checking the distress signal rockets and other distress signals
instruction in the use of radio life-saving appliances
Checking the lifeboat provisions and supplies
The ship is involved in a collision, what is the immediate action by the Officer of the Watch after the incident has taken place?
Call the Master and check the position for any immediate dangers.
Stop engines and check over the side for any signs of pollution.
Sound the General Alarm and stop engines.
Contact the other ship and send the bridge lookout down to start taking soundings
High Voltage (HV) cables are smaller than low voltage cables for a given power rating. Why is this?
The HV cable uses Aluminium conductors and therefore requires them to be a smaller cross-sectional area.
The HV cable carries a smaller current and therefore requires less copper.
The HV cable uses higher quality copper conductors and therefore requires them to be a smaller cross-sectional area.
The HV cable has a thinner wall of special insulation material.
When a container is damaged en route, who should be asked to attend on board at the next port?
A surveyor representing the vessel’s P. & I. Club
A surveyor representing the vessel’s hull & machinery underwriters
The classification society surveyor
A surveyor representing the consignee
What type of lashing arrangement is needed on weather deck for securing one container high?
No lashing arrangement needed.
Turnbuckles and rods.
Twistlocks with turnbuckles and rods.
Twistlocks.
Which of the methods given in the options should be used as part of the check of the accuracy of a liquid filled thermometer used in the cold rooms of the ships provisions stores?
Immerse the thermometer in a mixture of distilled water and ice made from distilled water to check the zero reading.
Place the thermometer in a hole drilled into a block of ice to check the zero reading.
Place the thermometer in the meat room and check the reading when the refrigeration compressor cuts out.
Place the thermometer in the meat room and check the reading matches the thermostat setting when the liquid line valve closes.
A large electric motor is being removed from a main seawater pump with the aid of the engine room crane. Which is the best method of starting the lift from the options given?
Use the 'inch up' facility on the crane to 'break' the motor free after slackening all of the retaining bolts.
Use a suitable chain block suspended from the crane hook to 'break' the motor free after slackening all of the retaining bolts.
Use the full hoist facility on the crane to 'break' the motor free after slackening all of the retaining bolts.
Use the full hoist facility to lift the motor clear in one action after removing all of the retaining bolts.
What differences in design are there between a standard cargo hold and a cargo hold which can also be used for ballast on a Bulk Carrier?
There is no differences in design
This hold does not have ventilators
The coamings are much lower on the ballast hold
The ballast hold hatch cover must be fitted with additional securing devices
Double-bottom tanks of a General Cargo ship are to be ballasted with sea water; which of the following are the most important checks to be made ?
All air vent pipes open and clear, pipeline valves open to correct tanks and other tank valves checked closed
All air vent pipes open and clear, pipeline valves closed to correct tanks and other tank valves checked open
All air vent pipes closed ,pipeline valves open to correct tanks and other tank valves checked closed
All air vent pipes open and clear, pipeline valves open to all tanks
Which type of cargo tanks are almost exclusively applied to LNG ships and are rarely fitted to LPG ships?
Type "B" spherical tanks.
Independent type "A" tanks.
Self-supporting prismatic tanks.
Independent type "C" tanks.
Does MARPOL apply to gas carriers?
Only Annex IV.
No.
Yes.
Only Annex V.
Before engaging the Turning Gear, precautions should be taken to:
Open the indicator cocks and open the starting air supply
Close the inlet and outlet valves for cooling water
Transfer M/E control from control room to emergency control console of engine
Shut off the starting air supply and open the indicator cocks
A heavy piece of machinery is loaded on deck of a container vessel, stowed across several flatrack containers. Select the most appropriate lashing method.
All lashings to be taken to the hatch top.
Some lashings direct to the flat rack and some to the hatch top, coaming and pillars.
All lashings to be taken to the flatrack lashing points.
All lashings to be taken to the hatch coamings, pillars and lashing bridges.
As well as hazards due to flammability, toxicity and frostbite some liquefied gas cargoes may cause chemical burns in the event of skin contact? Which of the commonly carried cargoes given in the options is most likely to result in chemical burns due to skin contact?
Propane.
Butane.
Ethylene.
Ammonia.
What are the characteristics of Seed Cake group B (IMDG Class 4.2) cargo?
Liable to spontaneous combustion only
May self-heat slowly; may spontaneously ignite; liable to oxidise
May self-heat slowly; may spontaneously ignite; liable to oxidise; may produce carbon dioxide
Liable to oxidise only, causing subsequent reduction of oxygen in the cargo spaces
Why should a container with a damaged corner post not be loaded?
Because during discharge the ship could be held responsible for the damage
Because its strength is weakened
Because it will not fit properly into a container stack
Because the cargo inside might be damaged
A tank containing hydrocarbon residues requires manual cleaning by use of shovels, scrapers etc. Should you:
Open the tank, provide ventilation and commence work immediately.
Open the tank and provide lighting, have someone standing by outside the tank and commence working.
Open the tank, provide adequate ventilation/lighting, test oxygen content, have someone standing by with rescue equipment, complete a tank entry permit then commence work.
Open the tank, provide adequate ventilation and lighting, commence work and have someone standing by outside the tank.
What is the name of the device used for continually checking ballast water as it is pumped overboard?
Ballast Content Monitor (BCM)
Oil Discharge Monitoring Equipment (ODME)
Water Disposal Process Sensor (WDPS)
Ballast Handling Unit (BHU)
What is the most likely cause of the boiler exhaust gas being white in colour leaving the funnel?
Insufficient combustion air.
A faulty or dirty burner tip
Too much combustion air.
Low water level in the boiler.
Why is the tank washing discharge outlet located below the waterline on a chemical tanker?
So that a safe and legal rate of dilution is achieved in the wake as the ship proceeds along.
So that toxic vapours are neutralised by the layer of water above the outlet.
So that tank cleaning can be carried out without anyone noticing.
So that there is minimum resistance to the flow generated by the pumps as they discharge the washings.
Where is there a likelihood of inadequate initial design on a bulk carrier?
Around the hatch corners
On cross-deck plating
On the sheer strack
On shell plating
If a cargo has a literweight 0f 1.5 kg/l at 15° and a correction factor of 0,001, what is the literweight at 20° C ?
1.495 kg/l
1.4995 kg/l
1.505 kg/l
1.5005 kg/l
Which of the following should be available alongside the hand-washing facilities in the galley?
A bacterial liquid soap dispenser.
A mirror.
A light with a waterproof switch or pull chord.
A re-usable cotton towel on a rack.
What should be done if a twistlock is found cracked at the base?
Use it to lock under-deck container stows
Have it repaired on board
Use it in the lowest tier on deck
Remove it from service
Are membrane tanks self supporting as the independent tanks?
Membrane tanks are self-supporting only when they are loaded
Only the inner membrane is self-supporting
Membrane tanks are not self-supporting
Membrane tanks are self-supporting as the independent tanks
Which of the following letter combinations represents a flow indicating controller on a process and instrumentation diagram
FIC
LIR
FLO
FIR
The operation of a diesel engine is controlled by a mechanical-hydraulic, compensated speed sensing governor. How will the governor control be affected if the compensation needle valve is closed in and the engine load changes?
The governor will hunt resulting in erratic engine speed control.
Engine speed control will be sluggish.
A change in load will not affect a speed sensing governor.
Altering the compensation needle valve has no effect on speed control.
Over a period of a few hours of operation the main diesel engine speed gradually falls off. From the options given what is the most likely cause of this fault?
Water in a cylinder.
Injection valve opening pressure is too low.
Governor linkage broken.
Fouling of turbocharger intake filters.
What is the purpose of a hatch cover ventilator grill on a General Cargo vessel?
To act as a strength member inside the ventilation shaft
To prevent the ventilator fans from damage
To prevent moisture from entering the hold
To prevent sparks entering the cargo hold
What is the purpose of fixed stacking cones?
To prevent the horizontal movement of 20’containers at tank top level
To prevent the horizontal movement of 40’containers at tank top level
To lock 20’containers in 40’ cell guides
To prevent movement of 20’and 40’ containers at deck level
Why is it necessary to cool down LNG cargo tanks slowly prior to loading cargo?
To minimise the risk of creating a vacuum in the tank.
To minimise thermal stresses in the cargo tank.
To prevent ice forming in the cargo tank.
To minimise thermal stresses in the hull.
What is commonly recognised as the main hazard associated with unprotected entry into an enclosed space on a tanker?
There are no significant hazards associated with entry into enclosed spaces on tankers
A potentially oxygen deficient or toxic atmosphere
Restrictions on access and mobility within the space
Lack of adequate illumination for safe movement within the space
To correctly interpret the readings on the printout from a reefer vessel’s cargo data logger it is essential to have some knowledge of the location of the temperature sensors. Where would the temperature sensor for the delivery air to a cargo hold be expected to be located?
Just above the cooling coils where the air returns from the cargo space.
In the air flow path from the cooling coils, about 3 metres from the coils.
In the air flow path from the cooling coils, but at the opposite end of the cargo space to the coils.
Near the centre of the cargo space.
What precautions must be taken prior to loading cement after carrying sugar?
No traces of sugar should remain in the cargo holds
The cargo holds must be inspected
Steelwork in the cargo holds must be protected by straw mats
Steelwork in the cargo holds must be protected by kraft paper
A General cargo vessel is due to resume loading at 0700 Local Time; start of operations is delayed due to hatch covers not being opened until 0800; what are the implications of this delay to the ships?
The charterers will be responsible for any additional costs
The shipper will bear the costs involved
A delay of this type is not important
Additional costs due to delay may be to ships account
This graphical symbol is a logic gate with truth table. Which gate?
NOR
AND
NAND
OR
Which of the given options is the approximate value of the flammable range for Methane measured as a percentage volume in air?
5.3 - 14.0% by volume.
2.6 - 12.4% by volume.
3.5 - 13.0% by volume
1.4 - 10.8% by volume
The cold room temperature is almost at the cut out point in a vapour-compression refrigeration system. What should the refrigerant state be just after the evaporator if the system is correctly set up?
Slightly superheated low pressure gas.
Liquid at high pressure.
Sub-cooled liquid at low pressure.
Wet vapour at high pressure.
What is the normal procedure for cooldown cargo tanks prior to loading LNG?
Pumping cold LNG through the spray header.
Pumping cold LNG to the bottom of the tank.
Pumping cold LNG through the heater.
Pumping cold LNG through liquid header.
What is the main difference between a THERMOSTAT and a TEMPERATURE TRANSMITTER, if any?
There is no difference.
The temperature transmitter is a digital component while the thermostat is an analogue component.
The thermostat has one or more contacts (open or closed) depending on the temperature/setting. The temperature transmitter converts a temperature signal to an electric signal.
The thermostat gives out an analogue signal depending on the switch setting. The temperature transmitter gives out a binary signal depending on the temperature.
In order to speak clearly and effectively you should:
gesture with your arms
stand tall with shoulders squared
never open your mouth too wide
open your mouth, pronounce your consonants, and shape your sounds well
Where shall you be able to activate the ship security alert system on board passenger ships?
Captain's office
Navigation bridge
From the navigation bridge and in at least one other location
Captain's- and Chief Officer's office
"Overshoot" is an expression related to a ship's steering ability. What is the correct understanding of this expression?
It is the way a ship turns when putting the helm in a hard over position
It is how many degrees of the compass a ship continues to turn after applying counter-rudder
It is the amount a ship moves forward after the engines are stopped
It is the way a ship continues to turn when the helm is put amidships
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 refrigerated container is loaded onto the deck of a conventional reefer vessel and landed on flat dunnage. Select, from the options given, the most appropriate and quickest method of securing the container onto the deck.
Heavy rope lashings.
Patented chain and tension bars.
Wire rope, wire clamps and turnbuckles.
5 tonne spanset strops.
What is a Marine Evacuation System?
Liferafts supported by Fast Rescue Boats and Lifeboats
Helicopter evacuation
Assistance from other ships
Evacuation Chute(s)/Slide(s) and Liferafts
Under SOLAS, what are the minimum required air changes per hour for ‘Special Category Spaces’?
10
15
20
8
Why do we have longtitudal bulkhead in a prismatic cargo tank
To reduce the free surface ”sloshing” on the cargo
To control the list of the ship
To load two grades of cargo in one tank
To increase the transverse strength of the cargo tank
The pressure control of a vessel's domestic water system, which includes a hydrophore tank pressurised by air, is achieved by stop/start of the fresh water pumps using pressure switches. How should the system be prepared for first use to give correct operation of the pressure control?
Fill the hydrophore tank to approximately 75% full with water and then pressurise with air up to the pump cut out point.
Fill the hydrophore tank up with freshwater allowing it to compress the air already in the tank and then adjust the pump cut out to match the pressure in the tank when it is almost full.
Pressurise the hydrophore tank with air to approximately 50% of the pump cut out pressure and then allow the pump to fill the tank until it cuts out.
Fill the hydrophore tank completely with water and then pressurise with air up to the pump cut out point.
What arrangement may be installed in passenger ships to reduce unsymmetrical flooding in damaged condition?
Ballast trimming system
Cross flooding arrangement
Separate trim tanks
Self acting ballast trimming arrangement
The high level water ingress alarm in number 1 hold of a Bulk Carrier activates in bad weather at sea; what would be the actions of a prudent Master?
The alarms could be faulty and should be ignored
Investigate when the weather improves
Sound general alarm, muster ships crew and transmit a Mayday call and message.
Assess all spaces for signs of damage if weather conditions permit
Furniture in stairways and corridors shall be kept to a minimum on board passenger ships, why?
Escape routes must be clear of obstructions and also due to fire protection
It is not allowed to sit in stairways and corridors
Due to fire protection
Passengers will most probably sleep in stairways and corridors if they are furnished
During the cycle of a four stroke diesel engine there is a load reversal on the bottom end bearing when the load transfers from the upper part of the bearing to the lower part. What is the main cause of this load reversal on a modern, turbocharged, medium speed diesel engine?
The light alloy materials used for the piston skirt.
The lack of gas load to oppose the inertial forces generated during the exhaust stroke.
The inertial forces generated during the upward strokes of the piston (compression and exhaust strokes).
The suction effect on the piston during the air intake (induction) stroke.
What would affect the proper functioning of a bridge fitting?
Pitting
A fully extended spindle
Lack of grease
Buckling
When the cable length from the temperature sensor to the place where we want to read the temperature exceeds approx. 10 meters we normally have to, in case of a Pt 100, in some way compensate for the cable resistance. Do we also have to do this if we choose to use a T802 temperature sensor?
Yes
No
Not applicable
Depends on temperature to be measured.
What are the immediate duties of the bridge Officer of the Watch when the ship suddenly runs into a fog bank?
Commence sounding the fog signal and reduce speed to Slow Ahead
Commence sounding the fog signal and call the Master and wait for him to arrive before taking any further actions
Commence sounding the fog signal and if the radar indicates no echoes in the vicinity, proceed at the normal speed until ships are detected on the radar or until the fog lifts
Commence sounding the fog signal, engines on standby, call the Master and lookout, if not already on duty
What would you do before giving a boiler a “bottom blow”
drop the water level a couple of inches below normal
increase the oil pressure
raise the water level a couple of inches above normal
increase the oil temperature
Where should water level detectors be fitted on bulk carriers?
In the ballast hold
In each cargo hold
In alternate cargo holds
In the foremost cargo hold
How many categories of Seed Cake are there in the Code of Safe Practice for Solid Bulk Cargoes (BC Code)?
4
5
3
2
Fast rescue boats construction should be:
Inflated
Rigid
Stainless steel
Rigid, inflated or rigid / inflated
A refrigeration plant is short cycling even though there is plenty of refrigerant in the system and all of the rooms are above temperature. From the options give select the one which is the most likely cause of the problem?
Low oil level in the sump causing the automatic low oil pressure cut out to operate.
Blocked filter drier causing the automatic low pressure cut out to operate.
Insufficient cooling water flow through the condenser causing the automatic high pressure cut out to operate.
Ice formation in the meat room evaporator coil causing the automatic low pressure cut out to operate.
What kind of fixed extinguishing plant is installed to use on an oil tanker’s engine room and pump room?
Water spray plant.
CO2 plant.
Foam plant.
Powder plant.
A bulk vessel loads a full cargo to summer marks of a high density bulk cargo such as iron ore concentrate; what would be the possible stability conditions produced?
The vessel will normally have a small intact metacentric height (GM) and have a slow roll period
The vessel will normally have a large intact metacentric height (GM) and have a fast roll period
The vessel will be tender and have a poor curve of righting levers.
The vessel may have a list
A ship experiences an interaction effect known as "Squat" when moving in shallow water. The amount of Squat is affected by the speed of the vessel through the water. If the speed through the water is HALVED what will be the change in the affect of "Squat"
The squat effect will also be halved.
There will be a significant change in the reduction of underkeel clearance, but the amount varies from ship to ship
There will be very little change to the effects of Squat.
The squat effect will be reduced to a quarter of its original value
Is it possible to discharge a fully-refrigerated gas carrier if brake down on a discharge pump?
Fully-refrigerated gas carrier can be discharged by condensate the cargo to shore or another cargo tank or let it boil off
We can not discharge any gas carriers without pumps
Fully-refrigerated gas carrier can be discharged by pressurising the cargo tanks
Fully-refrigerated gas carrier can be discharged by using a spare discharge pump lowered down in the cargo tank
When it is midsummer in northern Europe, what time of the year is it in South Africa?
Midsummer
Autumn
Midwinter
Early spring
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.
Why can't we use inert gas from a combustion-type generator when preparing cargo tanks for ammonia?
Because of the high temperature in the inert gas.
Because ammonia reacts with the carbon dioxide in the inert gas.
Because of high water content in the inert gas.
Because of the high oxygen content in the inert gas.
On the figure 4 possible definitions of the term "FAIRLEAD" are given. Which one is the correct one?
Fairlead is given by A on the figure
Fairlead is given by C on the figure
Fairlead is given by D on the figure
Fairlead is given by B on the figure
On the figure 4 possible definitions of the term "STERN LINE" are given. Which one is the correct one?
Stern line is given by C on the figure
Stern line is given by A on the figure
Stern line is given by D on the figure
Stern line is given by B on the figure
On the figure 4 possible definitions of the term "PANAMA LEAD" are given. Which one is the correct one?
Panama lead is given by D on the figure
Panama lead is given by A on the figure
Panama lead is given by B on the figure
Panama lead is given by C on the figure
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