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家 在线测试 CES Chemical tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Chemical tanker vessel
在线测试： Test online CES 5.1 for MASTER / Ch-Officer, Chemical tanker vessel
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问题 1 从 90
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*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
*In which one of the following an oil, the flash point of which only needs to be over 43°C, may be used?
In the kitchen
In the main engine
In emergency generators
In inert gas generators
*What is the factor that makes the difference between a deflagrating and a detonating explosion?
The initial pressure, temperature and moisture content
The material which is at the origin of the explosion (powder or gas)
The speed of the shock wave created by the initial combustion
The confinement of the place where the explosion occurs (inside or outside)
Welding and use of open flames on board tankers in operation are subject to regulation laid down by the Norwegian Maritime Directorate (Norwegian Ship Control Legislation - NSCL). Which of the listed requirements regarding washing and gas freeing before hot work in cargo tanks corresponds to these regulations? (NSCL 22/1294/6).
For ships provided with inert gas system minor welding work may be permitted.
In case of major work the fire main shall be under pressure.
The ventilation system shall have a capacity of at least two changes of air per hour for work in enclosed spaces. Suitable fire extinguishing equipment shall always be available during hot work.
During loading and discharging of liquified gases and cargo with a flashpoint below 60° C the use of open flames in machinery and boiler spaces must not take place.
*What is the maximum floor area that one smoke detector can cover?
74 m2
45 m.2
37 m2
20 m2
On a cargo ship, where should we find the hydrants ?
At such locations that no part of the ship normally accessible to the crew while the ship is being navigating is located more than 20 meters away from a hydrant
At such locations that at least two jets not emanating from the same hydrant may reach any part of the ship normally accessible to the crew while the ship is being navigating, each of these jets coming from a single length of hose.
At such locations that no part of the ship normally accessible to the crew while the ship is being navigating is located more than 40 meters away from a hydrant
At such locations that at least two jets not emanating from the same hydrant may reach any part of the ship normally accessible to the crew while the ship is being navigating, one of these jets coming from a single length of hose (the other jet may come from a connection of several lengths of hoses)
*In cargo ships of less than 1000 gross tonnage the number of fire hoses (not including any hose required in any engineroom or boiler room ) must be:
One for each 10 m length of the ship plus one spare
To the satisfaction of the administration
One for each 10 m length of the ship
Four plus one spare for each deck
*A self contained breathing apparatus should contain at least 1200 litres of air. How long should this last for a normal person who is not carrying out hard work?
30 minutes
45 minutes
60 minutes
15 minutes
What type of construction material should be avoided regarding fire protection purposes? (SOLAS II-2/2.2.3)
All plastic materials
All composite materials
All combustible materials
All uncovered wooden materials
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 log-in procedure for an Inmarsat-C installation comprises:
to choose the proper choice of the LES
Don't know
the choice of the inmarsat-region
to carry out the commissioning in the proper way
Which of the following two digits codes is used to obtain maritime assistance ?
37
39
32
38
Where several rescue units are engaged in a search and rescue operation, one of will be designated as the On-Scene Commander (OSC). Which of the following descibes how this appointment will be made?
The role of OSC can only be taken by a naval ship with suitable command and control capability. In many regions, such vessels are permanently assigned on stand-by to assume such a role.
The first rescue unit to arrive at the scene will normally assume the role of OSC, until the unit appointed as OSC by the RCC is in a poisition to assume the role.
The OSC will initially be a controlling aircraft. Once a suitable vessel is on scene, the responsibility will be passed to them.
The OSC will always be designated by the appropriate Rescue Coordination Centre. No other vessel may assume the role at any time.
There has been an accident on board. Urgent medical advice is needed. The call is preceded by:
safety signal
urgency signal
emergency signal
Don't know
Pure Nitrogen is sometimes used to blanket sensitive cargoes because:
It affords some protection against spontaneous reaction
All the mentioned alternatives
It affords protection against oxidation
It affords protection against humidity
Are there any exceptions from OPA-90
No exceptions
Yes, transit passage through US waters to a non US port
Yes, if the vessel calls a US port for only a short stop
Yes, close to any US naval base
Notification logging procedures .(OPA-90)
Only communication with USCG
Only verbal reports for documentation
Every report or message must be logged including time and date
Only initial reports to be logged
You are part of a team of two First Aiders in a resuscitation situation. What is the rhythm of resuscitation with two First Aiders?
5 compressions after every 1 inflation
7 inflations before every 5 compressions
10 compressions within every 3 inflations.
3 compressions after every 1 inflation
You are in a position as illustrated. What is the instantaneous oil discharge limit according to MARPOL ?
15 L/nm
120 L/nm
30 L/nm
60 L/nm
In MARPOL 73/78, the term "Special Areas" is mentioned in connection with discharges from oil tankers. What do you understand by this term?
Specific geographical sea areas, designated as Marine Conservation Areas by the United Nations, in which any discharge from the cargo area of an oil tanker is strictly controlled.
All sea areas within 50 miles from the nearest land, where that coastal state is a signatory to MARPOL 73/78.
Limited ocean and sea areas, listed under the OPA-90 Act, inside which the discharge of oil is prohibited and the penalty for doing so is an umlimited fine and unlimited jail sentence.
Specific geographical sea areas, defined in MARPOL 73/78, in which special mandatory measures for the prevention os sea pollution by oil are required.
You are Sen.Off.Deck / Duty officer onboard one of the vessels involved in a collision. How will you act just after the collision?
Start an argument with the other vessel about fault.
Call the Company Office.
Continue the voyage to your destination.
Make sure your vessel + crew are safe and then offer your assistance to the other vessel.
In an extreme case, in addition to having your winch brakes as tight as can be, you can increase the brake holding capacity of the winch drum by putting it in gear and setting the power to the 'heave' position. However this may cause:
Damage to the winch by distorting the shaft
Strain on the fairleads and rollers in use in excess of their Safe Working Load
The increased braking power of the winch to exceed the breaking strength of the wire and rope paid out from it which might cause the wire or rope to part
All the listed alternatives
Rule 12 of the International Collision Regulations prescribes the action to be taken by a sailing vessel when meeting another sailing vessel. This depends on the direction of the wind relative to each vessel. In the situation shown here, which sailing vessel (A or B) must keep out of the way of the other?
Sailing vessel B must keep out of the way of sailing vessel A.
Sailing vessel A must keep out of the way of sailing vessel B.
The upwind sailing vessel must keep out of the way of the downwind sailing vessel.
Both sailing vessels are required to take avoiding action.
If a shipping company wants to be attractive to clients, it must be able to provide?
Provide efficient and reliable service
Safe operation
Provide minimum loss
On schedule operations
Which of the following is not a mean of ensuring the avaibility of equipment (maintenance methods)?
Duplication of equipment
Computer-aided maintenance
At sea electronic maintenance
Shore based maintenance
Which item among those below is included in the normal equipment of every liferaft ?
one boat-hook
one set of fishing tackle
one searchlight which can work continuously for not less than 3 hours
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
Which item among those below is included in the normal equipment of every lifeboat ?
one copy of the prescribed life-saving signals
one immersion suit for each person
sea-charts and navigating equipment
a VHF transceiverb
Every inflatable liferaft , inflatable lifejacket and hydrostatic release units shall be serviced:
Every 24 months.
Every 18 months.
Every 36 months.
Every 12 months.
How many Radar Transponders (SART) are required to be carried onboard a ship for use in survival crafts?
Two on each side of the ship
One in each lifeboat
2 on new-builds only. Old ships have to comply by August -95
One on each side of the ship
How much water per person is provided in a liferaft equipped with a desalting apparatus?
5 litres
1litre
2.5 litres
15 litres
The Muster List shall show the duties assigned to members of the crew. Which of the following duties shall be included according to present regulations?
Preparation of immersion suits for passengers.
Manning of fire parties assigned to deal with fires.
Operation of the vessel's propulsion system.
Special duties assigned with respect to the use of pyrotechnics
Noise level called "the injurious area" starts at:
1283 dB
50 dB
100 dB
400 dB
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.
A deepwell pump is a type of :
Eductor
Screw pump
Centrifugal pump
Gear pump
Which equipment is utilised to control the liquid level in the cargo tanks?
In the cargo tanks we use deep stick to control the liquid level
In the cargo tanks we use sounding tape to control the liquid level
In the cargo tanks we use either float or radar type gauge to control the liquid level
In the cargo tanks we use float type gauge to control the liquid level
What is the requirement with regard to Familiarisation on board?
Seafarers, on being assigned to any ship, shall be familiarized with their specific duties and with all ship arrangements, installations, equipment, procedures and ship characteristics that are relevant to their routine or emergency duties.
Seafarers shall be familiarized with all life saving appliances and emergency exits in case any emergency situation occurs. It takes normally an hour to complete the Safety Familiarisation. The safety Officer is responsible.
Seafarers on board passenger vessels must as soon as possible learn the names of all persons working in the same department in order to ensure efficient daily operation.
During the first tenure, seafarers are responsible for asking at least a 100 questions to the Safety Officer.
What is a Marine Evacuation System?
Assistance from other ships
Helicopter evacuation
Evacuation Chute(s)/Slide(s) and Liferafts
Liferafts supported by Fast Rescue Boats and Lifeboats
What nominal filling restriction exists under the IBC Code for a single tank on a type 3 chemical tanker? (Not counting structural, capacity or cargo specific limitations).
3000 cubic metres.
1750 cubic metres.
There is no filling restriction for a type 3 chemical tanker.
1250 cubic metres.
Passenger ships have a normal requirement of 1 lifejacket per person + 10% for children. In addition to this, how many lifejackets have to be stowed in conspicuous places on deck or at the muster stations?
10% extra
25% extra
5% extra
50% extra
On what design temperature do we need full secondarry barrier
When the design temperature is below –55oC
Only if the cargo tanks are loaded
When the design temperature is below –55oC and the tank is not independent type B or C, we must have full secondary barrier
When we are carrying cargo on less than –10oC
What is the purpose of a "part flow display system" installed on some oil tankers ?
The Part Flow System makes it possible to observe the discharge visually for oil content, even in darkness
The Part Flow System makes it possible to discharge dirty ballast below the water line on older tankers
The Part Flow System makes it possible to measure the oil content, even if the Oil Discharge Monitoring Equipment is not working
The Part Flow System makes it possible to observe the discharge visually for oil content, on older tankers with discharge below the waterline
The inert gas system shall be capable of delivering inert gas to the cargo tanks at a specified percentage in relation to the cargo discharge rate. What is that percentage?
Equal to the cargo discharge capacity.
At least 135% of the maximum discharge capacity.
At least 150% of the maximum discharge capacity.
At least 125% of the maximum discharge capacity.
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.
What is the purpose of the decanting line between two slop tanks on an oil tanker that is using water for the washing of the cargo tanks?
To enable the filling of the secondary slop tank via the primary slop tank.
To enable most of the recovered oil to be retained in the primary slop tank, while the cleaner part of the water will flow into the secondary slop tank, where it can be re-used as wash-water.
To enable both the primary and secondary slop tank to be filled without using the main cargo lines.
To avoid a build-up of static electricity during water washing, caused by air being drawn in as the primary slop tank empties.
At what calendar interval is a "Special Survey" required?
Every 2 1/2 years.
At 20 years and every five years thereafter.
Annually.
5 years.
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
A simple level control for a water tank consists of a horizontal lever with a float at one end and a filling valve at the other. The lever is provided with an adjustable pivot positioned between the valve and the float. How will the 'offset' in the system be affected under changing demand conditions if the pivot is moved closer to the filling valve?
It will increase the offset across the demand range.
It will reduce the offset on low demand but increase it during high demand.
It will increase the offset on high demand but reduce it on low demand.
It will reduce the offset throughout the demand range.
If whistles are fitted on a vessel at a distance apart of more than 100 metres, will manoeuvring and warning signals, as defined by rule 34 of the International regulations for Preventing Collisions at Sea, be given on one or both whistles?
Manoeuvring signals will be given only on the forward whistle; warning signals will be given on both whistles simultaneously.
They shall be given on one whistle only.
They shall be given on both whistles simultaneously.
They shall first be given on the forward whistle, followed by the after whistle, with a 5 second inetrval in between.
What type of Bill of Lading covers "door to door" shipment?
A Destination Bill of Lading.
A Through Bill of Lading.
A Multi-Phase Bill of Lading.
An Ocean Bill of Lading.
A vessel is carrying a refrigerated cargo under controlled atmosphere (CA). From the options given select the most appropriate degree of opening of the air change vents while operating under CA.
50%
100%
0%
25%
You are going to overhaul a centrifugal pump in accordance with the PMS. The pump is running under optimal conditions and normally operated. Which of the following parts are expected to deteriorate during normal operation and thereby be due for renewal?
The impeller and the impeller fastening nut.
Ball bearings on the pump shaft, and wear rings on pump housing or impeller.
The distance pieces.
The shaft itself .
What basic information do we get from the pump system curve?
We get information about the pump's liquid flow.
We get information about the pump's ampere, delivery pressure and suction height.
We get information about the pump's lifting height and lifting flow.
We get information about the pump's suction height and liquid flow.
Hydrocarbons belongs to a chemical group named:?
Carbohydrates.
Organic substances.
Alkanes
Alkenes
What term is applied to the technique of removing a portion of fish from the bone?
Felting.
Filling.
Filleting.
Filtering.
Why is an inertgas system required when COW is undertaken?
Safety purpose?
Improved outturn of cargo?
Less bildup of sediment in tanks?
Higher pumping flowrate?
What must be accessible at all times whilst loading and stowing ro-ro cargoes?
Fixed cargo lashing points
Fire-fighting equipment
Ventilator trunking
The vessel's bracket connections to ro-ro decks
When using a PID controller, which of the following parameter settings will not result in oscillation?
Temperature change
Too long D-time
Too high amplification
Too long I-time
Why is it important to check the ullages of the cargo tanks and sound double-bottom tanks at regular and frequent intervals during an oil tanker's loaded passage?
Such a procedure will indicate if there are any internal or hull leakages
Such a procedure will indicate if there is a build-up of pressure and the failure of any part of the venting system.
Because it is a requirement and the vessel can demonstrate complaince during an audit.
Such a procedure will confirm the correct function of the cargo calculator by referencing volume against temperature.
Where should empty and unlceaned receptacles that previously contained toxic gas be stowed?
Under deck
On deck forward of the accommodation
Anywhere on deck
On deck abaft the accommodation
What is the purpose of an observation tank in a boiler feed system?
To check condensate returns for oil.
For adding chemicals into the boiler water.
To monitor chloride level.
To monitor the water colour.
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
On a RoRo vessel, what should be done first when cargo has shifted at sea on a RoRo vessel and re-lashing is not possible?
Take action to improve stability
Go Faster to outrun the problem
Alter course and/or speed to reduce the accelerations and prevent further damage
What do we measure with an explosimeter?
With an explosimeter we measure 0-20/0-100 % LEL hydrocarbons.
With an explosimeter we measure 0-21 % Oxygen content.
With an explosimeter we measure 0-2 % volume hydrocarbons.
With an explosimeter we measure 0-20/0-100 % volume hydrocarbons.
A ship has an electrical system rated at 690 Volts. Which voltage level is this?
Medium voltage.
Low voltage.
High voltage.
Intermediate voltage.
TAN, total acid number is the:
Total content of organic acids in the oil.
Total content of organic and inorganic acids in the oil.
Amount of remaining alkalinity in the oil.
Total content of inorganic acids in the oil.
A bulk carrier is about to commence loading steel coils using ships cranes, what three important checks must be made?
Cabs cleaned and lighted, drivers regularly rested
Crane windows cleaned,cab heater on and no- smoking rule enforced
Crane controls tested, limit switches correctly set and SWL never to be exceeded
Planned maintenance completed, all paintwork in good condition and lighting checked
When should a crane or derrick sheave be replaced?
When wear down in the groove exceeds 20% of the wire rope diameter
When wear down in the groove exceeds 25% of the wire rope circumference
When wear down in the groove exceeds 25% of the wire rope diameter
When wear down in the groove exceeds 20% of the wire rope circumference
Which of following are security duties?
Calibration of security equipment
All alternatives
Checking ID of visitors onboard
Monitoring of restricted areas
What is the correct understanding of the tem "Angle of Loll" when applied to ships stability?
The angle the ship will lie when the ship has a negative GM
The maximum angle to which the ship rolls when rolling in a seaway.
The angle the ship will lie when it has suffered a shift of cargo.
The angle of heel which the ship must reach before suffering progressive flooding through deck ventilators.
What should you know about the emergency stops on deck?
Where they are located and how to operate them.
How to disconnect or over-ride them for routine work.
I do not need to know anything about the emergency stops. It's only the officers who operate them.
Where the re-sets are and how to re-set them.
At what angle should a cargo lashing meet an eye plate?
At 90 degrees
At 30 degrees
At 60 degrees
At 45 degrees
What is the primary responsibility of a watch-keeping engineer?
The primary responsibility of a watch-keeping engineer is to ensure the efficient operation of all running machinery
The primary responsibility of a watch-keeping engineer is to carry out periodic inspections of the entire engine room
The primary duty of a watch-keeping engineer is to guarantee the proper operation of all equipment in the engine room
The primary duty of a watch-keeping engineer is to represent the Chief Engineer
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
When does a bulk carrier experience extreme tension in bottom structure during fast rate loading?
During ballasting in port
During loading of heavy cargo in midship hold
During correct loading pattern but with heavy cargo
During ballasting at sea
On a RoRo vessel, what must be ensured so that vehicles are not damaged on the loading ramp?
The ramp angle must not exceed its safe working limit
The ramp surface must be free of oil
Safety signs must be posted at the ramp
One man must always stand-by the ramp
What is the name of this unit?
A hydrostatic release unit
A liferaft release unit
An antistatic release unit
A slip hook
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."
A company must update its Safety Management System and Manual:
whenever regulations change
at least once every 18 months
at least once every 12 months
at least once every 6 months
What is the Fitter asked to do?
The portable air pump is out of order
He is to empty the hydraulic oil into the sea
He is to check the heater for the hydraulic oil
He looks for oil drums under the forecastle
In what circumstances can a ships loading computer be used with confidence on a container vessel.
When the computer has been manufactured by a reputable supplier.
When a new computer with a large RAM has been received.
When the loading computer has been approved by Class.
When the computer has been supplied by the company IT department.
Which of the following statements is correct when discussing warm clothing and passengers?
After being mustered, passengers will return to their cabins for warm clothing.
The crew will pass out warm clothing for passengers.
Warm clothing will protect passengers from drowning.
Warm clothing will protect passengers from hypothermia.
On a RoRo vessel, what must be ensured onboard the vessel prior to commencing cargo?
That all cargo is ready for loading
That the vessel has been cleared by immigration
Cargo hold ventilation systems are operational
On a Container vessel, when can twistlocks be used to lift containers?
When they are semi-automatic
When they are fully automatic
Only if they have been approved and certified for this purpose
When they are of the mid-lock design
Ship Security Plans all look the same.
.
FALSE
TRUE
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
The demister unit is located close to the inert gas scrubber. What is the purpose of the demister?
To prevent overheating:
To remove sulphur oxides.
To cool the inert gas.
To remove water from the IGS stream.
A bulk carrier is loading to summer loadline marks ; to which part of the loadline marks does the vessel load in salt water (R.D.1025)?
The bottom of the summer mark
The winter mark
The top of the summer mark
The fresh water mark
Which of the following conditions will block the starting signal for the air start system of a medium speed diesel engine which is being used for main propulsion purposes?
Low jacket cooling water temperature.
Valve rotators not operating.
Clutch engaged.
Low start air pressure alarm.
*Which of the following fittings shall be provided to all lifeboats:
an electric power starting system for the propulsion engine with one rechargeable energy source
watertight lockers or compartments
a remotely operated steering arrangement
permanent boarding arrangements on both sides to enable persons in the water to board the lifeboat
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