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家 在线测试 CES Dry cargo MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Dry cargo vessel
在线测试： Test online CES 5.1 for MASTER / Ch-Officer, Dry cargo vessel
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Which one of the listed requirements regarding lifeboat propulsion do not correspond to present regulations?
The engine shall be provided with an electric power starting system with rechargeable energy batteries
Every lifeboat shall be powered by a compression ignition engine using fuel with a flamepoint of not less than 44°C
Means shall be provided for recharging all engine-starting, radio and searchlight batteries
Water resistant instruction for starting and operating the engine shall be provided
Give the meaning of the following symbol
Line throwing appliance
Rocket parachute flares
Lifeboat hand flare
Survival craft distress pyrotechnic signals
*What is the maximum floor area that one heat detector can cover?
77 m2
10 m2
37 m2
50 m2
*May an engine room be only protected by a fixed low expansion foam fire-extinguishing system?
Yes, if the "engine room" is considered as a machinery space of category A
Yes
It depends on the type of vessel
No
What are the three diameters of fire hoses most commonly found on ships?
10, 50 or 85 mm
25, 45, or 70 mm
17, 43 or 74 mm
50 or 100 mm
*What is the inherent danger in the use of halon to extinguish an extensive fire?
Depletion of the ozone layer?
Development of toxic gases?
Depletion of oxygen in the air?
Development of explosive gases?
The sensitivity of a communication receiver can be adjusted with:
Don't know
AF-Gain
RF-Gain
clarifier
To prevent overload of the MF/HF transmitter;
Do not transmit too long at full power
Switch over to low power intermitently
Clean the dust filter of the fan regularly
Do not leave the transmitter on stand-by for too long, if not required
The frequency 121,5 MHz is used for :
SARSAT-COSPAS EPIRBS
INMARSAT E EPIRBS
SART transpondeur
DSS VHF calls
The hydrostatic release of an EPIRB should be changed
Every two years
Every four years
Every three years
Yearly
Responsible for on-scene coordination during search and rescue operations is:
On Scene Commander
Rescue Commander Communications
Search and Rescue Coordinator
Don't know
Which word will precede an urgency message ?
PAN
URGENCE
PAN PAN
MAYDAY
Which of the equipment listed is not included in the fireman's personal equipment? (SOLAS II-2/17.1.1)
An electric safety lamp
Leather safety boots and gloves
An axe
Protective clothing
The ABC-rules are an important part of the First Aiders know how. What does the First Aid ABC-rules stands for?
Airway Breathing Circulation
Adults Behind Children
A Better Control
Anything But Continuation
What would be the correct definition of the term "Squat"?
Squat is the reduction of underkeel clearance due to increase of water flow under the keel and an increase in the water pressure
Squat is the reduction of underkeel clearance of a ship when it moves through shallow water due to a reduction in water pressure.
Squat is the loss of effectiveness of the rudder and propeller as a ship moves through shallow water due to the reduction of water pressure.
Squat is the reduction of underkeel clearance and the possible change of trim of a ship when it moves through shallow water due to a reduction in water pressure.
" On area A1 the function "" Transmission and reception of ship to ship distress alerts "" is mainly based on:"
the use of VHF DSC
the use of SART transponders
the use of MF DSC
the use of INMARSAT A
The command of radio communication with inter-ship traffic is with:
Don't know
the calling station
the station being called
the biggest ship
Which class of emission is used for VHF DSC transmissions ?
G2B
H3E
J3E
F1B
Give the meaning of this symbol:
lifebuoy with light and smoke
lifebuoy with light
lifebuoy with automatic parachute flare
lifebuoy with line
Give the meaning of this symbol:
lifebuoy with light and smoke
lifebuoy with light
lifebuoy
lifebuoy with line
*The breaking strength of the painter in a liferaft permitted to accommodate 6 persons is at least:
7,5 kN
5 kN
10 kN
2,5 kN
What is the general emergency alarm signal to be sounded by the ship's whistle and alarm bells in case of an emergency situation?
Seven short blasts followed by one prolonged blast
Continuos sounding by whistle and alarm bells
Series of long blasts
Series of short blasts
Which item among those below is included in the normal equipment of every lifeboat ?
one life-jacket for each person
an EPIRB
sea-charts and navigating equipment
six hand flares
Which one of the listed requirements regarding the stowage of lifeboats and liferafts do not correspond to present regulations? (SOLAS II/13.3 - 13.6)
Lifeboats shall be stowed attached to launching appliances
Liferafts intended for throw-overboard launching shall be stowed amidships secured to means for transfer to either side
Davit-launched liferafts shall be stowed within reach of the lifting hooks unless adequate means of transport is provided
Liferafts shall be so stowed as to permit manual release from their securing arrangements
Which one of the listed requirements regarding the stowage of rescue boats corresponds to present SOLAS regulations. Rescue boats shall be stowed:
In a state of readiness for launching in not more than two minutes.
So neither the rescue boat nor its launching arrangements will interfere with any survival craft at any other launching station.
Attached to launching appliances.
Wherever space is available.
How many thermal protective aids are carried in each liferaft?
Nil
10% of the number of persons the liferaft is designed to carry, or two, whichever is the greatest
3
4
*Give the meaning of the following symbol
Release gripes
Davit launched lifeboat
Davit launched rescue boat
Release falls
*Give the meaning of the following symbol
Fasten lifejacket belt
Fasten seat belts
Secure hatches
Secure buoy line to the ship
In which way shall a survivor be hauled out of the sea?
In 45 degree angle
Horizontal
Vertical
None of the above
Which of the following detailed explanations should be mentioned in the Training Manual ?
The use of the ship's line throwing apparatus
The use of surface to air visual signals to be used by survivors
The use of escape routes and other escape methods
The use of navigational equipment for survival crafts
Welding and burning are two operations which give the highest risk of a fire on board ship. Which of the following safety precautions may be regarded as the most important in order to minimise this particular risk?
Electric welding plants should be controlled by a responsible engineer before use.
Only use electrodes from a well known manufacturer.
Only holders of a welding certificate should be allowed to carry out welding or burning on board ships.
The area where the welding is to take place and adjacent spaces to be cleaned and all unnecessary materials and objects to be removed.
One water fog applicator is required for each pair of breathing apparatus on board which type of ship?
Passenger ships fitted with car decks
Tankers
Chemical tankers
Passenger ships carrying more than 36 passengers
What is the MARPOL definition of a "high-viscosity substance"?
A noxious liquid substance in category "Y" with a viscosity equal to or greater than 100 mPa.s at 37.8 degrees Celsius.
Any noxious liquid substance, the residues of which cannot be stripped from a cargo compartment and its associated piping and pumping system to equal to or less than 75 litres.
A noxious liquid substance of any category with a pour point of greater than 37.8 degrees Celsius.
A noxious liquid substance in category "X" or "Y" with a viscosity equal to or greater than 50 mPa.s at the unloading temperature.
Why do we use stabilisers on passenger ships?
To decrease the rolling angle of the vessel
To adjust the trim of the vessel
To increase the intact stability
To decrease the dynamic stability
Some 4-stroke engines are fitted with a rotorcap on the cylinder head valves. For what reason?
Rotate the inlet valve during operation.
To prevent the valve spindel to stick..
Distribute the exhaust gas or the air inlet better to improve combustion.
Improve the scaling surface function, increase the service time of the exhaust valve in the engine.
Ordinary thyristors (SCR) must often be protected against reverse overvoltage transients because even over-voltages of extremely short duration can destroy them. These circuits have been given such over-voltage protection, but only one of them is correct. Which?
Figure 2
Figure 3
Figure 1
Figure 4
Where is the acceptable location to smoke while on duty, or working in a cargo deck stowed with containers?
The designated smoking area inside the accommodation or on deck?
Smoke close to an entrance to the cargo deck?
Carefully smoke outside the container stowage area?
There is no smoking allowed while on duty?
An engine room rating notices that the guard on a running pump is hanging loose due to a missing bolt on the support bracket and it is catching the shaft coupling. What is the best action to take as a repair method?
Place a sheet of metal in front of the guard to deflect any parts that may fly off as a temporary repair.
Inform the watchkeeper so that the pump can be stopped and a new bolt can be fitted to permanently fix the guard in place.
Try and fit a new bolt while the pump is running to permanently fix the guard in place.
Fasten the guard back in place with a piece of rope with the pump running as a temporary repair.
Who is responsible for maintaining the vessel's structural strenght?
The Shipyard
The Flag State Administration
The Master
The Shipping Company and the Classification Society
A pump cover is sealed using a paper gasket which is damaged during overhaul. There are no spare gaskets available. How should the casing be sealed when reassembling the pump?
Re-use the old gasket.
Run a bead of silicon around the outside of the joint after fitting the cover.
Put a thick layer of jointing compound on the face of the cover and tighten the cover until the compound squeezes out.
Make a new gasket from old chart paper or other similar material of the same thickness as the original gasket.
Can containers carried on multi-purpose or general cargo ships be lashed with lashing wires and chains?
Yes, if provided for in the vessel’s Cargo Securing Manual (CSM)
Yes, always
No
Yes, together with dedicated container lashing equipment
How many hours before departure should the ship's steering gear be checked and tested?
Within 12 hours
Within 96 hours
Within 1 hour
Within 48 hours
What does the term 'cold spotting' refer to in relation to LNG cargo carriage?
Using a sub cooled layer of LNG at the liquid surface to help minimise cargo losses.
Visually checking the inner hull during the loaded passage to detect leakage.
Using the low duty compressor to supply cold LNG to the secondary barrier.
Monitoring tank pressure carefully during loaded passage.
You have discovered a small leak of oil at the manifold during discharging. What is you first action?
Do not bother.
Try to stop the leak.
Call the terminal.
Call immediately the person in charge.
Too high exhaust temperature in one cylinder becomes because of:
Leakage in the inlet valves.
Poor cylinder condition – blow by –including leaking exhaust valves.
Too low admission on fuel injection pump.
The amount of cylinder lubricating oil feed to the cylinder is too small.
What medium is used to calibrate the ODME?
Fresh water.
Gasoline.
Sea water.
Crude oil.
Which function is this circuit performing?
Modulating
Differentiating
Telemetering
Integrating
On a Bulk Carrier, what should be done immediately if during the voyage the temperature of bulk coal exceeds 55?C?
Use fire fighting water in the cargo space
Notify the harbour authorities at the port of destination
Seal the hold completely and monitor the cargo using suitable instruments
Notify the ship owner and/or charterer
What is the name given to the risk assessment programme developed by OCIMF, under which tankers are inspected and the results made available to potential charterers through a database of records?
The Enhanced Survey Programme.
The Ship Inspection Report Programme (SIRE).
The Tanker Inspection and Reporting System (TIRS).
The Chemical Distribution Institute (CDI) Inpsection programme.
What are the two parts of the magnetic compass error?
Variation and Deviation
West and East errors
Permanent and induced magnetism
The latitude and longitude
From the options given, select the type of cleaner that is most suitable for washing down a refrigerated cargo space.
A cleaner which contains a powerful bleaching agent.
A cleaner which has a fresh smell such as the smell of pine.
A cleaner containing a powder scouring agent.
An odourless cleaner.
The diode shown performs which function?
Reference the transistor to +15V.
Provide an overload route for transistor current.
Allow Op Amp to top up +15V rail.
Return inductive current to supply at switch off.
How many lifejackets are required in a passenger cabin?
At least 2
Same number as beds in the cabin
Non, they will be handed out at the muster station
Twice the number of beds in the cabin
A positive displacement, rotary type, volumetric flow meter reads low with an error reading of 1% when used to measure flow of heavy oil and 2.5% when used to measure the flow of diesel oil. From the options given select the most likely cause of this difference in error?
The lower mass of diesel oil results in a lower reading.
The higher viscosity of the heavy oil is slowing down the rotary element in the meter.
The low lubricity of the diesel oil is increasing the friction in the rotating element and slowing the rotor down.
The meter is worn internally.
A mechanical-hydraulic speed control governor fitted to an auxiliary engine is giving erratic speed control causing the engine to hunt wildly even when there is only a small load change. From the options given which is the most likely cause of this condition?
Speed droop setting set too high.
Speed droop setting set too low.
Compensation needle valve is open too much.
Compensation needle valve is not open enough.
Which of the following foods will increase the cholesterol levels in the blood if eaten in excessive quantities?
Pork
Chicken
Vegetables
Fish
In a heat exchanger where seawater is used to cool fresh water, the seawater pressure should be maintained lower than the freshwater pressure to:
Minimize the load on the seawater pump
Eliminate scaling problems on seawater side
Reduce erosion
Prevent contamination if leaks are developed
When one ship is unmooring from another which is at anchor, the unmooring crew should be instructed to cast off lines:
As and when they think fit.
As and when the vessel remaining at anchor instructs them to do so.
As and when the manoeuvring vessel instructs them to do so.
As and when strain appears on individual ropes.
Which of these actions should you take it your ship is successfully boarded by armed pirates?
Fight back.
Scream in fear and refuse to cooperate.
Keep quiet and ignore any questions you’re asked.
Assure your captors that you’re not planning an attack to overthrow them.
This figure shows a transformer, with two windings, N(1) = 2000 and N(2) = 1000 turns, on a common magnetic circuit. Assume that there is no energy loss in the transformer itself. Calculate the current I(2) when the current I(1) = 2 A.
I(2) = 8 A
I(2) = 2 A
I(2) = 1 A
I(2) = 4 A
This graphical symbol is a logic gate with truth table. Which gate?
NOR
AND
NAND
OR
"What do crew, visitors and contractors all have in common?"
They’re all employees of the ship.
They’re all onboard the ship for the duration of its voyage.
They all have opportunity to smuggle drugs.
They’re all trained in ship emergency procedures.
Which of the given statements is true in relation to the features and operation of a 4 stroke diesel engine ?
4 stroke engines are not required to have crankcase relief valves fitted.
The camshaft rotates with half the RPM of the crankshaft in a 4 stroke engine.
A 4 stroke engine always has scavenge ports near the bottom of the cylinder liner.
A 4 stroke engine has an ignition towards the end of every upward stroke of the piston.
This circuit consists of two capacitors, C(1) = 6 µF and C(2) = 12 µF, in series. Calculate the equivalent C(S) of the two capacitors.
C(S) = 2 µF
C(S) =18 µF
C(S) =1,5 µF
C(S) = 4 µF
How will you act if you are helmsman and after making a turn to port you receive the order: “Steady as she goes”
Put the rudder midship and wait until she stops
Give counter rudder to stop her and keep the course
Read off the compass and keep her steady on the course
Put the rudder all the way to starboard to stop the turn
On a RoRo vessel, what is important with regard to a loading ramp resting on a jetty?
The position of mats between the ramp flap and jetty must be maintained at all times
Visitors must not be allowed access to the vessel via the ramp
The ramp's position must be maintained
It must not foul the ship's mooring ropes
How many lifejackets are required in a passenger cabin?
Twice the number of beds in the cabin
At least 2
None, they will be handed out at the muster station
Same number as beds in the cabin
Why do cargo tanks on a chemical tanker commonly have their own individual pipelines and cargo pumps?
To permit faster loading and discharging rates.
To reduce the chances of cross contamination.
To simplify the piping layout.
To allow more dangerous cargoes to be carried.
Compressors for handling vapour from liquefied gas cargoes are fitted as part of the cargo handling plant on liquefied gas carriers. How is liquid prevented from entering the compressor suction?
By checking the temperature in the vapour line between the cargo tank and compressor.
A liquid separator is fitted in the vapour line between the cargo tank and the compressor.
A liquid condenser is fitted in the vapour line between the cargo tank and the compressor.
By checking the pressure in the vapour line between the cargo tank and compressor.
When maintenance work is to be carried out on an electric motor driving a centrifugal water pump with automatic start, should you;
Ascertain from the senior watchkeeper if it is okay to start work, isolate the valves then commence work.
Set in local control, isolate the suction and delivery valves then commence work.
Isolate the suction and delivery valves then inform the electrician that you are starting work.
In conjunction with the senior watchkeeper and electrician, isolate valves, electrical supply, automatics and post 'Do not operate' signs before commencing work.
Proper and accurate inventory of stores should be maintained inorder to:
Order the required stores
Report to the office
Control the ship's budget
Show to the port authorities
A General Cargo vessel on completion of the loading has a large metacentric height (GM); what will be the predicted behavior of the vessel in a seaway ?
A fast roll period and small righting levers (GZ Levers)
A fast roll period and large righting levers (GZ Levers)
A long roll period and large righting levers
A long roll period and small righting levers (GZ Levers)
What purpose has the discharge booster pump on a gas tanker?
The main purpose of booster pumps is to avoid overflow during loading.
The main purpose of booster pumps is to increase the manifold pressure.
The main purpose of booster pumps is to maintain the manifold temperature.
The main purpose of booster pumps is increase the tank pressure.
What name is applied to foods (in particular meat) that have been prepared according to the rules of Islam?
Kamal.
Hamal.
Tamal.
Halal.
An accumulation test may be necessary for a steam boiler following repairs or modifications. Which of the given options does the accumulation test check?
The capacity of the safety valve to relieve pressure.
The time taken to fill the boiler with water under steaming conditions.
The rate at which the boiler can generate steam.
The time taken for the boiler to reach operating pressure.
When will the Longitudinal Bending Moments caused by the cargo distribution need to be taken into account on an oil tanker?
Only during loading and discharging cargo
During loading, discharging and on loaded passage
Only when on passage in heavy seas and when the vessel is pitching
All the time
On a RoRo vessel, why are short lashings better than long lashings for ro-ro units?
Because ships' vibrations will not slacken short lashings
Because it is a cargo securing manual requirement
Because they're easily tightened and tensioned
Which of the following statements is incorrect with regard to IMDG Class 5 cargoes?
The goods must be stowed such that they can be easily jettisoned
The goods require protection against potential sources of ignition
The goods require protection against the accumulation of dangerous vapours
The goods require protection against contact with moisture and water
On a RoRo vessel, a vehicle weighing 50mt is to be loaded in the fore and aft direction and lashed by chains/turnbuckles of SWL 5mt. By the general Rule How many sets of chains/turnbuckles should be used to secure the unit?
At least 10 in total
At least 10 per side
at least 15 per side
The design features of a container ship with pronounced bow flare, a wide flat transom stern and wall sided amidships section contribute to what occurrence?
Excessive pitching
The ability to shed water very quickly off the decks
Large angles of heel with a large GM
Parametric Rolling
Special "additives" are sometimes blended with, or added to, chemical cargoes to prevent polymerisation, decomposition or oxydation while they are in the ship's tank on a long voyage. What general term is given to these additives?
Inhibitors.
Preventors.
Activators.
Limiters.
During inspection of the cylinder bore of a high speed diesel engine it is found that the surface of the liner has an extremely smooth and glassy appearance. From the options given select the best action, if any, that should be taken?
With a steel brush, using a vertical motion, deglaze the liner to improve both oil retention and running conditions.
Clean the liner by rubbing with emery cloth using a circular motion to deglaze the liner to improve both oil retention and running conditions.
Use a flexible honing brush to deglaze the liner to a cross hatched plateau finish to improve both oil retention and running conditions.
No action is necessary as a smooth surface helps the piston rings achieve a good gas seal.
You are in an area of restricted visibility, close to a port. You hear this signal. What vessel does it come from and what additional information does the signal provide?
A vessel at anchor, more than 100 metres in length. She is sounding the additional signal to give warning of her position.
A vessel aground, more than 100 metres in length. The additional signal indicates which side the clear water lies on.
A vessel at anchor, less than 100 metres in length. She is sounding the additional signal top give warning of her position.
A vessel at anchor, more than 100 metres in length. The additional signal indicates that her cable extends at least 25 metres from her bow.
A 3-phase cage rotor induction motor requires protection by a time delay overload trip. What is the reason for this?
It will tolerate fault conditions during start up
Fuses act too quickly
Fuses act too slowly
It will allow for inrush current or motor specific faults
How should dunnage be laid, prior to loading a Caterpillar Tractor?
Only at the extreme ends of the tractor’s wheels
Athwartship under the tractor’s wheels
Athwartship at the ends of the tractor’s wheels
Fore and aft under the tractor’s wheels
The engines have failed and will require at least 24 hours to be available as a reliable means of propulsion. Your vessel is about 20 miles off the coast in a tidal area. What are the initial steps that should be taken to ensure the safety of the ship?
Display NUC lights and determine if anchoring is possible
Display NUC lights and inform the nearest Coast Guard of you predicament.
Display NUC lights and send out a navigational warning to all other vessels of your position and situation
Display NUC lights and investigate the tidal flow over the next 24 hours and the probable drift of the vessel.
To which of the following are the Hague-Visby rules applicable?
Deck cargoes
Contracts of carriage evidenced by a bill of lading
Carriage of livestock
Charter parties
Which of the following items must be included in each fire drill?
Reporting to stations and preparing for the duties described in the muster list
Starting a fire pump using at least the two required jets of water to show that the system is in proper working order
All the items mentioned
Checking fireman-s outfits and other personal rescue equipment
If you see anything goes wrong with the loading or the discharging, who shall you as duty officer report to for corrections?
The Port Captain?
The stevedore superintendent?
The stevedore-s truck drivers?
The Master?
Which of the following cargoes can solidify?
Ethylene glycol?
Latex?
Molasses?
Kerosene?
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