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家 在线测试 CES Oil tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Oil tanker vessel
在线测试： Test online CES 5.1 for MASTER / Ch-Officer, Oil tanker vessel
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How many buoyant smoke signals are carried in each lifeboat?
4
2
12
6
Give the meaning of the following symbol
Line throwing appliance
Rocket parachute flares
EPIRB
Survival craft distress pyrotechnic signals
*Where would you find out which fire sections of the ship are enclosed by "A" or "B" class divisional bulkheading?
On the capacity plan
On the general arrangement plan
All the mentioned alternatives
On the fire control plans
For carbon dioxide fire-fighting systems for machinery spaces the fixed piping system shall be such that: (SOLAS II-2/5.2.4)
70% of the gas can be discharged into the space within one minute
100% of the gas can be discharged into the space within two minutes
100% of the gas can be discharged into the space within three minutes
85% of the gas can be discharged into the space within two minutes
Which of the following should NOT be used on an electrical fire?
Dry powder extinguisher.
CO2 extinguisher.
Halon extinguisher
Water extinguisher.
*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
On board they want to establish telex-communication via the Inmarsat-set with the ship Appologracht. In the guides the following ID’s are found for the Appologracht: 244320000, 424432010, 424432020, 1300210, 36715. What ID should chosen:
244320000
1300210
Don't know
36715
Why should water ballast not in general be carried in tanks intended for oil fuel in passenger ships?
Risk for pollution
Risk of ship stability problems
Risk of engine stop due to water in fuel oil
Risk of corroded fuel oil tanks
In which areas is plastic material accepted for overboard disposal?
In coastal waters.
In specially designated areas (ref. MARPOL).
Not permissible any where.
100 n.m. from shore line.
Give the meaning of the following symbol
Fire pump
Fire control plan
Gas detector
Emergency fire pump
How can a new officer, just boarding a ship, ensure that he knows the location and operation of all navigational and safety equipment and take account of the operating limitations of such equipment?
By using the equipment on regular watchkeeping duties
By following the standard company Induction procedures for a bridge watchkeeping officer
By asking other officers and practicing with the use of the equipment
The certificate of competency will ensure the officer has suitable competence in operating the bridge equipment
Watch the situation. Which of the two vessels is most to blame?
Vessel "B", merchant vessel
Both "A", merchant vessel and "B", merchant vessel
Vessel "A", merchant vessel
Vessel "C", fishing vessel engaged in fishing
" On area A2 the function "" Transmission of ship to shore distress alerts"" is mainly based on:"
the use of MF DSC
the use of INMARSAT Epirbs
the use of SARSAT COSPAS Epirbs
the use of VHF DSC
" On area A3 the function "" Transmission and reception of on scene communications"" is mainly based on:"
the use of MF and/or VHF R/T
the use of HF DSC and/or INMARSAT C
the use of HF DSC
the use of MF and/or HF R/T
Secrecy in maritime radio traffic means that:
the speaker is switched off during private conversations
received messages, which aren’t intended for own ship are not passed on
Don't know
the mariphone may only be used by a person who is in possession of a valid operating certificate
By wave length is understood:
the distance travelled by a radio vibration in a period
the propagation speed of a radio vibration in free space
the propagation direction of a radio vibration
Don't know
Which wave length applies to a frequency of 2000 kHz?
Don't know
150 mtr
1500 mtr
15 mtr
What is the most important factor influencing the VHF range?
the height of the antenna
the channel used
the type of message sent.
the size of the antenna
Which class of emission is used for MF radio telephony transmissions ?
F3E
H3E
J3E
G3E
Which class of emission is used for HF radio telephony transmissions ?
G3E
G2B
F1B
J3E
Define the class of emission F1B :
Radiotelex and DSC - Phase modulation
Radiotelex and DSC - Frequency shift keying of carrier with error correction
Radiotelephony - Single sideband full carrier
Radiotelephony - Phase modulation
Which of the following information shall be specified by the muster list ?
the muster list has been prepared and approved by the Administration before the ship proceeds to sea.
the abandon ship signal consisting of two long blasts.
the specific duties assigned to passengers that are in charge of a group of others.
details of the general emergency alarm signal consisting of seven or more short blasts, followed by one long blast.
What is the minimum number of immersion suits that are required to be provided for each open lifeboat under SOLAS rules?
6
3
Nil
One per person
Which item among those below is included in the normal equipment of every rescue boat ?
anti-seasickness medicine sufficient for at least 48h and one seasickness bag for each person
a buoyant bailer
one copy of the prescribed life saving signals on a waterproof card
a food ration for each person as
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
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
one boat-hook
two buoyant smoke signals
Which one of the listed requirements regarding equipment for inflatable liferafts do not correspond to present regulations? The inflatable liferaft shall be fitted with:
one repair outfit for repairing punctures in buoyancy compartments
a buoyant lifeline bucketed around the outside of the liferaft
one topping-up pump or bellows
a manually controlled lamp inside the raft
Which of the following actions should be done before throwing this type of inflatable liferaft over the side?
Disconnect the painter and launch it, checking that all is clear below
Inflate it on deck and then launch it if clear below
Check that the painter is made fast to a secure point and that the sea below is clear
Take circular gripes and adhesive tape (see photo) off the container to enable raft to inflate once in the water. If all clear, throw raft over side
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. The training manual shall contain detailed explanations of crew duties in relation to emergency situations. Which of the following tasks or duties shall be included in the manual according to present regulations?
Correct donning of the protective clothing.
Correct use of on-board communication equipment.
Correct donning of life-jackets.
The use of oars and sails for survival crafts.
The responsibility for safety and security rests with everybody on board the vessel. General house-keeping rules should be followed. Which of the listed rules is the most important?
Always use gloves when using grinding machines.
Always use protective working shoes when working outdoors.
Do not use loose garments, belts, ties or scarfs near winches and moving machinery.
Always use gloves when handling nylon ropes.
Indicate the correct name for the tool on the sketch:
Padlock
Adjustable wrench
Flexible pipe
Water Pump Pliers
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
A number of substances are carried as cargoes on liquefied gas carriers. Of those given in the options, which is the most reactive, and therefore least compatible, with other liquefied gas cargoes?
Chlorine
Propane
Ethylene
Methane
To minimise the risk of damage what type of tools should be used to clean boiler burner tips?
Brass tools.
Steel tools.
Wooden tools
Any kind of tools that are available.
There are many applications in circuit theory where it is important to obtain the maximum possible power that a given source can deliver. This figure consists of a practical voltage source V(g) with internal resistance R(s). What resistance R(L) will maximize the power transmission from the source to R(L)?
R(L) = R(s)
R(L) = 2 R(s)
R(L) = 0.5 R(s)
R(L) = R(s) / sqrt (3)
When there is a need to interupt current flow in a high voltage system it may be very difficult to quench the electrical arc which is generated at the circuit breaker contacts. Which of the following arcing media is commonly found in high voltage marine switchgear?
Vacuum
Air
Water
Oil
What action would you take if the performance of a plate type heat exchanger was falling off even though flow rates and pressures of the primary and secondary fluids were normal?
Iincrease the flow of both fluids.
Clean the heat exchanger.
Add some more plates to the exchanger.
Increase the pressure of both fluids.
What does crude oil consist of?
A natural mixture of carbon and sulphur isomers.
A mixture of carbon extracts and naturally occuring wax.
A natural mixture of simple and complex hydrocarbon compounds.
A refined blend of hydrocarbon compounds and sulphur extracts.
The station bill contains the details of the emergency signals and:
each crewmember's emergency and regular duties
each crewmember's duties in an emergency
only the officers' duties in an emergency
crew and passenger duties in an emergency
What will a cadet find in the engine room store?
A Cadet will find the emergency steering gear in the engine room store
A Cadet will find the spare anchor in the engine room store
A Cadet will find the spare propeller in the engine room store
A Cadet will find machinery spare parts in the engine room store
What causes shock loads in a container lashing system?
Ship torsion
Loose cargo lashings
Resonant rolling
Ship vibrations
What are the people probably doing in the picture?
The people are fighting a fire
The people are playing with water
The people are hosing down the cargo hold to clean it.
The people are pressure testing the hull plating
On a Container vessel, when will a hatch pontoon's quick-acting cleat need replacement?
When the rubber washer is compressed and hardened
When the cleat has sprung open at sea
When the cleat retainer is rusty
When the cleat retainer is distorted
When ballasting operations are about to start on a bulk carrier, what important checks must be made?
That all air pipes are open and that the pipeline and valve system is correctly set up
That the vessel is even keel and upright
That the cargo operations are completed
That the hold bilge system has been cleaned and the access ladders checked
Emergency instructions in appropriate languages shall be posted in passenger cabins. What information shall as a minimum be included in the emergency instructions?
Name of cabin attendant
Escape routes and alarm signals
The method of donning life-jackets, escape routes and alarm signals
Where to find thermal protective aids
Why is it important to have good relationship on-board a vessel?
It leads to better work performance and positive atmosphere among the crew
Crew comes to know each others problems
It encourages crew to extend their contract
It will prevent accidents from happening
On a Container vessel, how would you deal with a containerised scrap metal fire?
Cool the container using seawater
Allow the cargo to smoulder
Extinguish by smothering
Extinguish using seawater
Which symptoms would indicate piston blow-by when operating a 4 stroke trunk piston type engine ?
Increased pressure in the air inlet manifold.
Increased pressure in the crankcase and smoke at the crankcase vent.
Smoke and sparks from the scavenge manifold drains..
Increased temperature in the inlet air manifold on the engine.
What is the purpose of the flame scanner or 'magic eye' fitted to the burner unit of oil or gas fired steam boilers?
To check the colour of the flame.
To control the combustion air supply to the boiler.
To check that the flame is present during start up or normal operation of the burner; if not then fuel is shut off automatically.
To check the colour of the exhaust gas from the furnace.
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.
A General Cargo Vessel is loading and rain starts to fall; what action should be taken by the OOW ?
Cargo operations would only be stopped if cargo bagged grain
Rain should not affect cargo operations
In all cases of rain cargo operations should stop unless Master authorises operations to continue
Only Port Authorities can make decision to stop cargo operations
According to ISGOTT, when in-service testing a hose used for cargo transfer on an oil tanker (and for which the elongation of the hose assembly when new was greater than 2.5%), what is the maximum permitted elongation before the hose must be withdrawn from service?
Not more than 1.5 times the temporary elongation measured when the hose assembly was new, as documented in the manufacturer's certificate.
Not more than 1.25 times the temporary elongation measured when the hose assembly was last tested, as documented in the appropriate certificate.
Not less than 1.5 times the temporary elongation measured when the hose assembly was new, as documented in the manufacurer's certificate.
Not more than 1.5 times the temporary elongation measured at the previous in-service test, as documented in the ship's annual test record.
The best way to prevent stowaways from boarding your ship is to:
"Conduct routine, but irregular searches of the ship."
Search the ship when you arrive at port and again just after leaving.
Conduct a Nominated Officers search.
"Seal spaces that are not in use while in port, and perform a search of the ship before leaving."
Which factor influences the pumping capacity (flow) of a centrifugal pump the most?
Total pressure head
Liquid density
Suction pressure
Liquid temperature
When checking the closed butt gap clearance of new piston rings prior to fitting onto the piston it is normal to try the rings in the liner so that the gap can be measured. From the options given select the best part of the liner to use to carry out these checks.
Near mid-height of the liner.
Near the bottom of the liner.
Near the top of the liner.
Just above the scavenge ports.
The temperature of chilled air is monitored after it has passed through a refrigerated cargo and the temperature noted. This temperature is often referred to as the RAT. Which of the given options does RAT stand for in relation to refrigeration of a cargo?
Return Air Temperature.
Respirated Air Temperature.
Relative Air Temperature.
Reduced Air Temperature.
Which of the given options is the SIGTTO definition of the term 'span gas'?
A vapour sample of known composition and concentration used to calibrate gas detection equipment.
A gas, such as nitrogen, or a mixture of non-flammable gases.
Vapour removed from contact with its liquid and heated beyond its boiling temperature.
A phenomenon generated in a pipeline system when there is a change in the rate of flow of liquid in the line.
What is the requirement to number of inert gas blower(s)?
At least 2 blowers.
Sufficient to obtain minimum 500 mm water column during discharging.
The are no requirement to number of blowers.
1blower.
What are the duties of engine room ratings forming part of an engine room watch?
To note all machinery not functioning properly.
To clean and maintain dirty equipment.
To assist in the efficient and safe watchkeeping.
To verify the current operational parameters.
Which of the hydrocarbon gases is the main one in LNG?
Butane.
Methane.
Ethane.
Propane.
A very dusty cargo is to be loaded on a bulk carrier; what precautions on deck should be included?
No access allowed onto main deck
Decks washed down regularly
All cranes, deck houses and storerooms fully closed down to prevent entry of dust
No extra precautions need to be taken
A 2 term controller is used to control the fuel oil temperature for a thermal oil system used for heating services. The control is very unstable with the measured value hunting constantly. Select the most probable cause of this problem from the options given.
Integral action reset time is set too slow.
Proportional band width is set too wide.
Proportional band width is set too narrow.
Integral action reset time is set too fast.
Chemicals and harmful substances are safely stored in a designated locker on board, why?
For safety reasons. Many substances found onboard are capable of damaging the health and safety of those exposed to them. Before any chemical or harmful substance is delivered to a crewmember, the personnel shall receive training, instructions and information so that they know and understand the risks arising from use.
For safety reasons and stock control. When chemicals or harmful substances is delivered to a crewmember, the user shall sign for the amount received.
Chemicals and harmful substances must be kept away from passengers so that they don't steal it.
For stock control. Most of the chemicals and harmful substances we use on board are expensive.
Indicate the correct name for the part marked on the sketch:
Push rod
Connecting rod
Rocker
Main bearing
Medium and high speed diesel engines used for marine propulsion normally require a reduction gearbox to be fitted in order to achieve suitable output speeds for the propeller. What device is normally required in the drive arrangement in order to avoid damage to the gearing due the torque variations of the diesel engine output?
A flywheel.
A moment compensator.
A flexible coupling.
A mechanical friction clutch.
When people jump into the water from a ship, what should they do?
Keep their arms down at their sides.
Grab the lifejacket near the shoulder.
Take off their lifejackets.
Take off their shoes.
During overhaul of a purifier the engine room rating is instructed to drain and clean the gearbox on the machine. Which of the materials given in the options is the best one for wiping up the remaining oil in the gearbox after draining the oil?
Clean, lint free cotton rags.
Used paper towels from the wash room.
Used dish cloths from the galley.
Clean cotton waste.
When will a ‘D’ ring not be an effective lashing point?
When painted
When it is oil-stained
When it is covered in grease
When its retaining collar is torn
What does ODME mean?
Oil Detecting - Master Evaluating.
Oil Discover Measure Equipment.
Over board Detecting Measure Equipment.
Oil Discharge Monitoring Equipment.
The vast majority of electrical instrumentation and testing equipment used onboard liquefied gas carriers is classes as intrinsically safe. What is the IMO Gas Codes' definition of intrinsically safe equipment?
Equipment which cannot become filled with a flammable mixture because the casing is completely gas tight.
Equipment which is filled with an inert gas which will prevent any internal ignition when in use.
Equipment which is incapable of releasing sufficient energy, during use or in specified fault condition, to cause ignition of a hazardous atmosphere.
Equipment which is designed to contain any flame which may develop due to internal ignition within the enclosure of the equipment.
What is the purpose of girders in the tank?
They support the stiffeners
They transfer all the sea forces acting on the plating
They transfer all the cargo forces acting on the plating
They support the stiffeners and also take up some of the sea forces
What is the purpose of Material Safety Data Sheets?
To provide personnel in deck- and engine department with procedures for handling or working with that substance in a safe manner
To determine if the substance is flammable or not
To provide the safety officer with procedures for handling or working with that substance in a safe manner
To provide all personnel including emergency personnel with procedures for handling or working with that substance in a safe manner
The water content of inert gas is important when the gas is used for cargo tank inerting and drying operations on a liquefied gas carrier. Which drier arrangement for the inert gas will result in the lowest water content and dew point of the inert gas?
An absorption drier followed by a refrigerated drier in series can reduce the dew point down to less than minus 40 degrees C.
A refrigerated drier on its own can usually reduce the dew point to less than minus 40 degrees C.
A refrigerated drier followed by an absorption drier in series can reduce the dew point to less than minus 40 degrees C.
A refrigerated drier and an absorption drier operated in parallel can reduce the dew point to less than minus 40 degrees C.
What is the minimum information to be given on a dangerous goods declaration on a General Cargo Vessel?
IMO Class, weight, cargo brand name, stowage requirement
Gross and net weight, volume of cargo, proper shipping name
IMO Class, UN Number, Gross weight, number of units of cargo, Proper Shipping Name
UN Number, Volume of units, stowage requirements, weight, centre of gravity
What will you do if you are helmsman and the OOW (officer on watch) gives you the order: ”Starboard ten”
Repeat the command back and then change course 10 degrees to starboard of present course
Repeat the command back and then put the wheel over sufficiently for the ship to swing at a rate of 10 degrees per minute to starboard.
Repeat the command back and then turn the wheel to make the rudder turn 10 degrees to starboard of amidships
Repeat the command back and then allow the vessel to drift 10 degrees to starboard of original course
From the options given, select the one which controls the effective delivery stroke of a helix type fuel pump for a diesel engine to increase or decrease the quantity of fuel delivered.
The booster pump
The fuel injector
The fuel master control valve
The governor
The office phone, fax, telex and after office hours telephone numbers can be found in:
Vessel health, safety and environment manual
Radio log book
The Ship's emergency contingency manual
Vessel operation manual
When considering instrumentation systems, what is a typical symptom of a fault with the span of an instrument?
100% output is accurate, but Zero-point is wrong
Zero-point is accurate, but 100% input is not giving 100% output
Zero-point and 100% are correct, but not at mid - range
Linearity problems
What is the approximate API gravity of Arabian Light Crude?
30 degrees.
40 degrees.
27 degrees.
33 degrees.
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 name given to the mixture in which meat or fish can be laid for a few hours to add flavour right through the dish?
Macedoine.
Mignonade.
Marmalade.
Marinade.
On a container vessel why is it important not to exceed stack allowable weights?
The lashings can be overloaded
The GM can become excessive leading to high roll accelerations
Torsional effects on the hull
It can cause failure of the corner posts of the containers stowed at the bottom of the stack
In most colour coding systems for kitchen knives, what colour is used only for knives used in the preparation of raw fish?
Green.
Brown.
Red.
Blue.
According to the IMO Gas Codes, what are the maximum time intervals for sampling and analysing samples from the permanent installed gas detection system?
10 minutes.
45 minutes.
30 minutes.
20 minutes.
Why may wearing sweat rags slung round your neck when working in the machinery spaces be hazardous?
The rags may cause sweat rash.
The rags may cause you to get too hot and faint.
The rags may be caught by running machinery or power tools.
The rags may be soaked with oil and catch fire.
Most perishable cargoes are presented for shipment pre-cooled to the correct carriage temperature. If the cargo is not pre-cooled or has warmed up due to the cold chain being broken it can result in increased metabolic rates. Which of the given options would be the most difficult to deal with if such a situation occurred during a sea passage?
The water produced by the cargo.
The heat produced by the cargo.
The carbon dioxide produced by the cargo.
The trace gases produced by the cargo.
What would be considered to be the normal service life for rolling contact bearings fitted to a large turbocharger for a diesel engine?
At least 30000 hours.
20000 - 25000 hours.
8000 - 12000 hours.
1000 - 3000hours.
What gas checks must be made to the atmosphere in a general cargo ship deep tank prior to cleaning and after discharge of a cargo of vegetable oil?
The atmosphere must be checked for oxygen, methane gas and carbon dioxide
The atmosphere must be checked for oxygen levels, flammable gas and toxic gas
The atmosphere must be checked for oxygen, hydrogen and acid gas
The atmosphere must be checked for hydrogen sulphide, carbon monoxide and hydrogen gas
Give the meaning of the following symbol:
immersion suit
child's lifejacket
survival kit
lifejacket
What is the point when it is possible to ignite the vapour above the oil called?
Boiling point.
Flash point.
Ignition point.
Pour point.
You are ready to start crude oil washing of a cargo tank. What measurement(s) must be performed before you start?
Measurement of the oxygen content in the supplied Inert Gas.
Measurement of the oxygen level one meter below deck in the tank to be washed.
All the measurements mentioned must be performed.
Measurement of the oxygen level in the middle of the ullage space in the tank to be washed
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