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家 在线测试 CES Gas tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Gas tanker vessel
在线测试： Test online CES 5.1 for MASTER / Ch-Officer, Gas tanker vessel
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Give the meaning of the following symbol
Line throwing appliance
Survival craft distress pyrotechnic signals
Rocket parachute flares
Buoy fitted with line throwing appliance
What is the minimum number of channels required for the portable two-way VHF's for survival craft?
Channels 6, 13 & 16
Channel 16 only
Channels 16 & 12
Channels 6, 12 & 16
*Which of the following requirements applies to the inert gas system of a tanker?
Inert gas must be delivered at a rate of at least 125% of the maximum rate of discharge capacity of the ship expressed as a volume
All these requirements apply
The oxygen content of the inert gas must not exceed 5%
The oxygen content of the atmosphere of any part of any cargo tank must not exceed 8%
*What is the minimum number of portable fire extinguishers that must be provided for the accommodations, service spaces and control stations on ships of 1000 gross tonnage and upwards?
5
7
9
3
In case of a fire on the line in an oxyacetylene-line gas welding equipment, what action should be taken?
Close the valves on both bottles, first the acetylene and then the oxygen bottle
Do not close any valve and attack the fire, preferably with powder
Close the valve(s) on the acetylene bottle only
Close the valve(s) on the oxygen bottle only
Instructions for "Preparation for welding or hot work in cargo tanks" is laid down by the Norwegian Maritime Directorate. Which of the following requirements regarding welding or hot work corresponds to these instructions?
In ships for which inert gas system is not required, separate cleaning procedures may be used for non-adjacent tanks.
Tanks adjacent to the tank where work is to be carried out shall be cleaned and free of gas.
The pipe systems shall be cleaned after tanks are cleaned and gas levels measured.
In ships for which inert gas system is not required, all non-adjacent cargo tanks shall be washed with water.
While the vessel is in a Red Sea port during August loading/discharging a hydrocarbon cargo, should the air suction for the accommodation be:
Placed on full recirculation.
Recirk. full open, fresh air intake closed.
A mixture of both.
Closed down all together.
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
When with a radio telex-connection with a coast-station ga+? appear on the screen:
Don't know
The command der+? Must be given
A command as dirtlx…+ can be given
It means “good afternoon, over”
In the Inmarsat Maritime Communications Handbook one can find information about:
radio telex commands
2 digit code telex services
Don't know
numbers of fax subscribers
Regular ‘updating’ of a vessel’s position in an Inmarsat-C installation is among others things important:
To guarantee reception of NAVTEX-reports in areas where normal NAVTEX-facilities are not available
To guarantee reception of NAVTEX-reports
To guarantee assistance in emergency
To restrict NAVARAE-reports
In radio-telex distress traffic preference is given to:
ARQ
FEC
Don't know
Direct telex
For how long time should a SART transponder be able to operate in the stand by mode ?
8 hours
96 hours
24 hours
6 hours
What are the NAVTEX messages categories which cannot be suppressed ?
Weather forecasts
Satnav messages
A, B, C
A, B, D
The MERSAR is:
a survey of vessels favourably located for possible rescue during SAR operations
a book of directions for search and rescue at sea
a fully automated system for mutual assistance and rescue of persons at sea
Don't know
The authority to order to use of distress signals or distress alerts is:
the person designated to maintain communication during distress situations
Don't know
the first person to discover the distress situation
only with the master
Most cases of oil pollution are caused by human errors, often jointly by seafarers and shore based clean-up teams. What has proved to be the essential mistake executed by the shore people regarding environment damages?
Usage of oilbooms?
Usage of sawdust?
Usage of absorbent pads?
Dispersement of chemicals?
Your vessel has been involved in a collision, which has resulted in a heavy oil leakage. Who should be called to handle pollution claims and damages?
Flag state representative.
The Classification Society's representative.
The Leading Hull Underwriter's nearest Average Agent.
The P & I Club's nearest representative.
If you were put in charge of a fire team what minimum number of men wearing a breathing apparatus would you allow to enter a smoke filled compartment?
1man
2 men
3 men
4 men
What is the vessel that has the local command in a rescue operation called?
Commander of Operation
Local Rescue Commander
On Scene Commander
Commander of Rescue Operation
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
What would be the stopping distance of a VLCC when proceeding at 8 knots in deep water and the engines are put 'Full Astern'?
8 nautical miles
4 nautical miles
15 ship lengths
Varies, but can be determined from trial data
If the OOW must leave the voyage plan, he should?
Inform the master
Check the new plan
No special action necessary
Make a note in the log book
The presence of a VHF-installation is primarily intended to:
take part in harbour traffic
Don't know
enhance the safety of lives at sea
take part in public traffic
One is sailing on inshore waters with poor visibility and with the use of radar. There must be a continuous watch on VHF-channel:
13
Don't know
70
16
The PTT-switch must be:
Don't know
pressed in during transmitting only to work simplex
must pressed in constantly to work semi-duplex
pressed in during transmitting only to work duplex
MF radio signals mainly propagate mainly:
through hops between ionised layers and the earth
Don't know
between the earth and satellites
along the curvature of the earth
Give the meaning of the following symbol:
Liferaft
Lower liferaft to water
Inflate liferaft
Davit launched liferaft
Which of the following requirements regarding the number of lifejackets provided do NOT correspond to present regulations? (SOLAS III/7.2)
A number of lifejackets suitable for children equal to at least 10% of the number of passengers onboard or a greater number as may be required to provide a lifejacket for each child
A sufficient number of lifejackets shall be carried for persons on watch
A sufficient number of lifejackets for use at remotely located survival craft station
A number of lifejackets equal to at least 10% of the total number of passengers and crew to be placed in the vicinity of the muster stations
Which item among those below is included in the normal equipment of every liferaft ?
one searchlight which can work continuously for not less than 3 hours
one boat-hook
one first-aid outfit in a waterproof case
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
What is the meaning of this symbol ?
Lower lifeboat to water
Start engine
Start water-spray
Start air supply
*Which of following items shall be included in an abandon ship drill?
Checking the distress signal rockets and other distress signals
Checking the lifeboat provisions and supplies
Checking that lifejackets are correctly donned
Checking that passenger's immersion suits are correctly donned
You are in an area of restricted visibility and hear this signal. It is repeated at two minute intervals. What does it indicate?
That there are two more vessels nearby.
That there is another vessel in the vicinity and that she has just altered course to port.
That there is another vessel nearby, that she is underway, but stopped and making no way through the water.
That there is another vessel nearby, but that she is at anchor.
In the type of fluorescent lamp system shown in the illustration, the role of the starter is to perform which of the following?
To switch on current through the lamp, and to disconnect the ballast once the lamp has started..
To charge the ballast to a high inductive current, and then divert this current through the lamp.
To create a high starting current.
To pass current through the lamp heaters, and then interrupt the inductive striking current.
You are the Officer in Charge during the loading of a tanker at a terminal in the Persian Gulf. The deck watchman reports "There is a lot of oil on the water to starboard". What should be your FIRST action?
Tell the jettyman to stop loading immediately.
Call the Master.
Check the Oil Discharge Monitoring Equipment (ODME).
Find out if the oil is coming from your vessel.
In a large, 2 stroke, main diesel engine cylinder lubricating oil is supplied directly through lubrication points cut into the cylinder liner. At what point during the cycle should the supply normally occur.
At mid-stroke of the piston.
As the piston rings pass the lubrication points.
At Bottom Dead Centre.
At Top Dead Centre.
What must be checked before loading cargo in 'tween decks of a General Cargo Vessel?
The cargo stowed here must be for first discharge port only
The maximum allowed loading must be checked before commencing operations to avoid possible damage
These spaces can only be used for very light cargo
Only very heavy cargo units can be stowed here
You are close to the entrance to a port in thick fog. You hear the following signal. What does it mean?
That there is a vessel aground in the vicinity.
That there is a vessel at anchor in the vicinity. She is more than 100 metres in length.
That the port is closed.
That there is a vessel at anchor in the vicinity. She is less than 100 metres in length.
Following complete shut down of the steam plant, the boiler has been heated in accordance with the correct starting up procedure, and the steam pressure is rising. What is the correct procedure to be adopted when opening the main steam valve to the range?
Use the main steam valve bypass/warming through line to gradually heat up the steam range with the drains open before opening the main valve.
Open the main valve a little bit to allow the range to heat up.
Open the main valve as quickly as possible to get rid of any water that has collected in the steam range.
Don't open the main valve until the boiler reaches normal working pressure.
What is the description for a sidelight, as shown in rule 21 of the International Regulations for Preventing Collisions at Sea?
A green light on the starboard side and red light on the port side, showing an unbroken light over an arc of 135 degrees, from right ahead to 22.5 degrees abaft the beam on the respective side.
A green light on the starboard side and red light on the port side, showing an unbroken light over an arc of 112.5 degree, from right ahead to 22.5 degrees abaft the beam on the respective side.
A red, green or yellow lantern, showing an unbroken light over an arc of 112.5 degrees.
A red light or a green light, with a minimum range, in a vessel of 50 metres or more, of 3 miles. In a vessel of 10 metres or more but less than 50 metres in length, a range of 1 mile.
Choose the option which is most likely to result in erosion of the tubes in a heat exchanger.
Cooling water velocity too high.
Cooling water temperature too high.
Cooling water pressure too high.
Rate of heat transfer too high.
Temperatures are often measured by using platinum resistance thermometers. The characteristics shown are all calibration curves for such devices. Which of them is a calibration curve for a P T100 sensor?
Figure 3
Figure 4
Figure 2
Figure 1
Commonly available on board an oil tanker, what is the industry standard Guide that describes best safety practise for tanker and terminal operations?
SOLAS 1974
STCW '95
The ISGOTT Guide
MARPOL 73/78
On a General Cargo ship in the United States, what will be the consequences of a ship's failure to correct an unsafe stevedore working practice?
The duty officer will be arrested
The ship will be prosecuted
The port will lodge a protest against the ship
The master will be arrested
When starting a flue gas plant on an oil tanker and after all intial checks have proved satisfactory, which of the following steps will be the first in the operation sequence?
Open air vent valve
Open the flue gas isolating valve
Open blower discharge valve
Start blower
Under which of the following conditions would it be dangerous to load a cargo of bulk coal?
When the temperature of the coal to be loaded exceeds 55 degrees Celsius
When the temperature of the coal to be loaded exceeds 30 degrees Celsius
When loading is required from open stockpiles
When loading coal from an open stockpile and it is wet
Which of the following food types or food components listed below is considered to be dangerous to health if consumed on a regular basis?
Soft fruit.
Root vegetables.
Moderate volumes of fibre.
High levels of sodium.
When opening hatch covers on a General Cargo vessel, what would indicate that there was ingress of water into the cargo holds during the voyage?
Rust-stained cargo
Evenly-distributed rust spots around the cargo hold
Evenly-distributed rust spots on cargo
Bright rust streaks on hatch coamings
What initial simple action can be taken to reduce the oxygen content of boiler water?
Increase the blowdown.
Increase the boiler pressure.
Raise the feed water temperature.
Lower the feed water temperature.
What is the most likely cause of the clean oil outlet pressure being higher than normal when operating a centrifuge as a fuel oil separator?
Drive clutch slipping.
Valve in the outlet line incorrectly positioned.
Broken water seal.
High fuel oil temperature.
A deaf man is reading the paper in the lounge when the emergency alarm sounds. How do you expect him to react?
He will ask the crew for help.
He will get up and go to the muster station.
He will ask someone what is going on.
He will continue reading the paper.
Which of the following letter combinations represents a level indicating controller on a process and instrumentation diagramv
CIL
LIR
CIR
LIC
Why are hypochlorite based treatments used on some sea water cooling systems?
To prevent biological growth in the system.
To reduce sediment build up in the system.
To prevent corrosion of the system
To increase the heat transfer capacity of the system.
What is the minimum furnace temperature that must be reached during start up before waste material can be introduced into an incinerator?
1500 C
850 C
2500 C
2000 C
Vegetable and animal oils undergo decomposition over time, generating obnoxious and toxic vapours and depleting the oxygen in the tank. What name is given to this process?
Polymerisation.
Putrefaction.
Monoxidation.
Disintegration.
On a container vessel, what dictates the roll angle and natural roll period of the ship?
Wave conditions
Hull form
Transverse distribution of container stack weights
Metacentric height
What hazard is associated with carrying ammonium nitrate?
It has several subsidiary risks
It is a marine pollutant
It is liable to spontaneous combustion
It can explode
Based upon what factors is Seed Cake categorised in the Code of Safe Practice for Solid Bulk Cargoes (BC Code)?
The extraction process, oil and moisture content
Oil and moisture content
Temperature during extraction, oil and moisture content
Temperature during extraction and moisture content
On a General Cargo vessel, the placards and labels on containers and pallets containing dangerous goods (IMDG Cargo) must be marked with what information ?
IMO Class, UN Number
Number of individual pieces of cargo
UN number
Weight and volume
A vessel’s forward draught reading is 8.50m with a correction factor of 0.0242m; draught marks are painted abaft the forward perpendicular. What is the corrected forward draught if the vessel is trimmed by the stern?
8.4758m
8.5242m
8.5484m
8.4516m
Which of the following forms of food poisoning is particularly associated with outbreaks on cruise ships?
Staphylococcal enterotoxin.
Norwalk virus
E-coli.
Salmonella enteritidis.
For what purpose is inert gas normally used in the cargo tanks of a liquefied gas carrier?
To maintain an inert atmosphere in the tanks during a loaded voyage.
To prevent an explosive atmosphere forming in the cargo tanks before gas freeing.
To pressure test the cargo tanks after repair work.
To help displace the cargo from the tanks during discharge.
Which of the methods given in the options will give the most accurate test of the accuracy of a bourdon tube type pressure gauge with a range of 0 to 20 bar?
Check the gauge on a deadweight tester.
Use the fuel injector test pump to check the readings against the test rig master gauge.
Check the readings against the output gauge from a pressure regulator by connecting it to a regulated test supply.
Compare it with the reading from a similar gauge connected to the same pressure source.
Who is responsible to carry out Safety Familiarisation training on board
Chief Engineer
2nd Officer
The Master
Safety Officer
What does ISPM stand for?
International Safety Procedures Manual
International Standards for Port Management
International Safety Policy Model
International Standards for Phytosanitary Measures (code)
A medium speed diesel engine, operating on heavy oil has suffered repeated exhaust valve failure. Upon inspection damage is noted on the underside of the valve resulting in some cases in holes passing through the valve even though the seating face appears hardly damaged. Which of the given options is the most likely cause of this type of damage?
High temperature corrosion due to high vanadium content in the fuel oil.
Failure of the valve rotators causing distortion of the valve seat.
Incorrect tappet (rocker arm) clearance preventing the valves from closing properly.
Cold temperature corrosion due to high sulphur content in the fuel and incorrect grade of cylinder lubricating oil.
What is the denomination for API?
Long tons at 60 degrees Fahrenheit.
Metric tonnes at 60 degrees Fahrenheit.
An abbreviation of American Petroleum Institute.
Cubic metre pr. volume unit.
In describing oil cargoes, what is "sour crude"?
A crude oil from West Africa
A petroleum product which reacts with water during tank-washing, leading to a distinctive odour about the tank deck
A crude oil cargo which has left substantial residues in the bottom of the tank after discharge
A term used to describe crude oil or products containing appreciable amounts of hydrogen sulphide and / or mercaptans
How should chemicals and harmful substances be stored on board?
In a gas-tight locker close to the bridge
In the central store or in the engine room
In a separate locker. The locker shall be clearly marked, locked and ventilated.
In a locker preferably on boat deck. The locker shall be clearly marked.
What is an analogue signal?
A measure of voltage using an oscilloscope.
A stable electric signal.
A continually variable electric signal.
A measure of electric current.
What should you take into consideration when discharging from the cardeck(s)?
Discharge the upper car decks first
Always discharge the cargo on port side first!
To discharge evenly from each side, to avoid heavy list
Discharge the lower car decks first
Select the three main checks that must be made to ensure that a hold of a General Cargo Vessel is fully weathertight before sailing ?
Hatch cover fully secured, hold access battened down and ballast tanks checked dry
Hatch cover fully secured, hold access battened down and bilge sounding pipe caps on
Hatch cover fully secured, ballast tank ventilators closed down and ballast tank sounding pipe caps on
Hatch ventilators closed, cranes secured and bilges pumped out
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
Which of the following statements concerning an accidental oil spill in US waters is true?
The person in charge must report the spill to the US Coast Guard
A warning broadcast must be made by radiotelephone (VHF)
The Corps of Engineers is responsible for the clean up of the oil spill
The Department of Interior is responsible for the clean up of the oil spill
When loaded to what depth can bulk carriers constructed after 1 July 1999 withstand flooding of any one cargo hold?
The Tropical loadline
The Winter North Atlantic loadline
The Winter loadline
The Summer loadline
What is the difference between a "VLCC" and a "ULCC"?
Tankers between 125,000 tonnes and 250,000 tonnes deadweight are classified as "VLCC"s while those above 250,000 tonnes are classified as "ULCC"s.
Tankers between 200,000 and 300,000 tonnes deadweight are classified as "VLCC"s while those above 300,000 tonnes are classified as "ULCC"s.
Tankers with a loaded draught of between 17.8 and 23.1 metres are classified as "ULCC"s, while those with a draught in excess of 23 metres are classified as "ULCC"s.
Large tankers that are able to pass through the Suez Canal are classified as "VLCC"s. Those which are too deep to transit the Canal are classified as "ULCC"s.
Gases, including methane, cannot normally be liquefied using pressure alone once they are at or above a certain temperature. What is the term used for this temperature?
Flash point.
Auto liquid temperature.
Critical temperature.
Liquid temperature limit.
After completion of a cleaning job on some machinery components at sea, the engine watch rating is instructed to dispose of a small amount of dirty diesel oil which is left in a bucket. How should the dirty oil be disposed of.
Put it straight into the dirty oil tank for incineration at the next opportunity.
Take it on deck and throw it overboard.
Pour it into the diesel oil storage tank through the sounding pipe.
Pour it into the engine room bilge so that it can be pumped through the oily water separator.
On a General Cargo ship, when can dunnage from a previous cargo be used again for cargo?
Only when clean and Chief Officer has approved use
Dunnage can be used many times regardless of condition
Used dunnage must never be used again for cargo
Dunnage can only be used again if sterilized
What additional stability information is required before a bulk carrier can load a full cargo of grain?
Grain loading conditions must be shown and the vessel is in possession of a Document of Authorization
The information is in a standard stability book should be sufficient to calculate a grain condition.
A bulk carrier cannot load a grain cargo
No additional conditions are required to be shown
You have recently discharged a cargo of Methylene Chloride from tank 4 port. How will the atmosphere in the tank normally be tested for remaining (very low level) traces of vapour to ensure safe conditions before a tank entry certificate is issued?
By reading off a standard explosimeter (combustible gas indicator).
You will be able to smell even a very low level of this product.
It is not possible (or important) to test for trace levels of this product.
By sampling through a gas detector tube.
What term is applied to solid foods, commonly vegetables, that have been mashed and stirred until smooth?
Minced.
Paree.
Clarified.
Puree.
The Company should ensure that the ship's personnel are able to communicate effectively in the execution of their duties related to the Safety Managment System. What does it really mean?
All personnel on board shall be familiar with the Safety Management System. The individual seafarer shall know procedures specifically related to their rank and duties onboard.
Everyone should know the name of the Designated Person in the Company
English language should be the working language on board the ship
The officers and crew should read the entire Safety Management System and memorize the content.
A general cargo ship is being loaded in Singapore for Hong Kong; which is the preferred order of loading for the following cargo types in the same hold?
Top stow: Steel slabs, Middle stow: Pallets Machinery parts, Bottom stow: CKD's (packaged cars)
Top stow: CKD's (packaged cars), Middle stow: Steel slabs, Bottom stow: Machinery parts
Top stow: CKD's (packaged cars), Middle stow: Pallets Machinery parts, Bottom stow: Steel slabs
Top stow: Pallets Machinery parts, Middle stow: CKD's (packaged cars), Bottom stow: Steel slabs
A unit of alcohol is equal to which of the following measures?
A half pint (284 ml) of lager / light beer or a small glass (125 ml) of wine
A pint (568 ml) of lager / light beer or a large glass (275 ml) of wine
A large glass (275 ml) of wine or a measure (30 ml) of spirit
A measure (30 ml) of spirit, if taken with a glass of water
Chemical boiling out is one method that is used for cleaning the waterside of a steam boiler. Select from the given options the likely circumstances under which this procedure would be considered necessary?
Contamination of the boiler water by oil.
Excess chloride levels in the boiler water.
Excessive sludge build up in the water drum.
Oxygen pitting in the steam drum.
What is the most negative side of using a centrifugal cargo pump?
Displacing the liquid by reducing the volume inside the pump.
High purchase and installation cost.
Mechanically displaces the liquid in the pump.
The lack of self priming.
Why is it necessary to use the vacuum pump after major overhaul of the reefer system?
In order to reduce the pressure in the system before start-up.
Not necessary.
To evacuate air and water out of the system in order to prevent problem during operation.
To make underpressure in the reefer system in order to get the freon liquid easy back to the system.
You are alongside, port side to, about to commence loading several grades of chemicals. The Duty Officer instructs you over the walkie-talkie to proceed to the port manifold and open the valve to 4 port line. When you get there, there is no hose connected to that line. What will you do?
Open the valve to 4 port line as instructed.
Report the situation back to the Duty Officer. Request clarification and confirmation of the instruction.
Take a look at the starboard manifold. There is a hose loop between 4 port and 4 starboard lines. Assume the Duty officer must have meant this side and open 4 port line on this manifold.
Although there is no hose connected to 4 port line, there is one connected to 3 port line. Assume the Duty Officer must have meant this line and open this valve instead.
Why are zinc anodes sometimes fitted in the seawater side of heat exchangers?
To prevent accumulation of marine growth
To reduce salinity
To prevent scaling
To protect against corrosion
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