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家 在线测试 CES Passenger MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Passenger vessel
在线测试： Test online CES 5.1 for MASTER / Ch-Officer, Passenger vessel
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该测试由有关选定主题的随机问题组成。
问题 1 从 90
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Falls used in launching shall be turned end for end at an interval of not more than X months and to be renewed not later than every Y years, where the intervals are:
6 months / 2 years
30 months / 5 years
12 months / 4 years
20 months / 3 years
How many rocket parachute flares are carried in each lifeboat?
4
Nil
12
6
Give the meaning of the following symbol
Line throwing appliance
Rocket parachute flares
Survival craft distress pyrotechnic signals
Lifeboat hand flare
Give the meaning of the following symbol
Survival craft distress pyrotechnic signals
Line throwing appliance
Radio signal emitting parachute flare
Lifeboat hand flare
*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)
*How many sources of power must a fire detection and fire alarm system be provided with?
At least three
At least two, one of which being a dedicated accumulator battery
At least two
At least three, one of which being a dedicated accumulator battery
What is the best place to store the international shore connection?
At a place easily accessible from the shore
In the engine room
In the wheelhouse
Together with the cargo hoses
How often must a crew member participate in a fire drill?
Once every two weeks
Once every month
Once every year
Once every 6 months
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
The following DSC-message was received:(see original )TELECOM: G3E SIMP TEL means:
the printer is a simplex tele-printer
use simplified English telephony language
go to simplex telephony
Don't know
The display of the DSC-controller on board is showing the following lines: (see original) This DSC-message is:
from a fishing boat with the fishing label TX 4
Don't know
neither for …
addressed to a fishing boat with the fishing label TX4
The “squelch” adjustment on the front panel of a mariphone serves to:
adjust the transmitting power of the mariphone
Don't know
adjust the noise threshold of the mariphone receiver
limit the noise of the mariphone transmitter
A polarisation of a radio wave is determined by:
Length of the aerial
Condition of the aerial
Height of the aerial
Position of the aerial
Which of the following is not systematically transmitted in a DSC all ship urgent call
Working frequency or channel
category
MMSI
position
All designated SAR aircraft and civil aircraft carry equipment operating on the international aeronautical distress frequencies (amplitude modulation). The aeronautical distress frequencies are?
123,8 MHz and/or 247,6 MHz
243,1 MHz and/or 486,2 MHz
127.8 MHz and/or 349.6 MHz
121,3 MHz and/or 243,0 MHz
" On area A4 the function "" Transmission of ship to shore distress alerts"" is mainly based on:"
the use of HF DSC and COSPAS SARSAT Epirbs
the use of HF DSC and INMARSAT Epirbs
the use of MF DSC and INMARSAT Epirbs
the use of VHF DSC and VHF Epirbs
What is false regarding the function :” Transmission and reception of ship to ship distress alerts
On area A4 this function is based on the use of VHF or/and MF DSC
On area A2 this function is based on the use of VHF or/and MF DSC
On area A3 this function is based on the use of INMARSAT A, B or C
On area A1 this function is based on the use of VHF DSC
What is the correct understanding of the term "Bending moments" when applied to ships?
The longitudinal Bending Moments are the forces between empty and full compartments causing the ship to bend and change shape
The Bending Moments of a ship are the forces acting on the ship causing it to hog and sag.
All of the suggested answers
The longitudinal Bending Moment at any section within the ship is the total moments tending to alter the longitudinal shape of the ship
The vessel is involved in a rescue operation for a Man Overboard and is to launch a lifeboat. What additional items would be very useful to take onboard the lifeboat to assist in the operation?
Extra Painter
Extra food
VHF or some means of communication
Blankets
The vessel has weighed the anchor and is heading for sea. The anchor is to be stowed in position. How?
The anchor to be as far inside hawsepipe as possible and secured by cable stopper
The anchor to be all way in the hawsepipe and secured by the brake
The anchor to be all way in the hawsepipe and secured by brake on winch and wire/chain stopper
The anchor to be all way in the hawsepipe and secured by wire lashings only
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
During a mooring operation whilst underway it is recommended that, with one ship maintaining a constant course and speed, the other manoeuvres so that:
It dosent matter which side is presented.
The side presented depends on wind direction.
The manoeuvring vessel presents her stbd side to the constant direction vessel.
The manoeuvring vessel presents her port side to the constant direction vessel.
During duplex mode you are able to:
Not to interrupt
Interrupt
Talk to two stations simultaneously
Interrupt after releasing the PTT-switch
Public correspondance VHF communications should normally be operated :
In J3E mode – on simplex basis
In G3E mode – on duplex basis
In G3E mode – on simplex basis
Which of the following detailed explanations should be mentioned in the Training Manual ?
The use of escape routes and other escape methods
The use of surface to air visual signals to be used by survivors
The use of drogues
The use of navigational equipment for survival crafts
Which of the following detailed explanations should be mentioned in the Training Manual ?
The use of escape routes and other escape methods
The hazards of exposure and the need for warm clothing
The use of navigational equipment for survival crafts
The use of surface to air visual signals to be used by survivors
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 would be the main effect on a refrigeration system of insufficient cooling water flow through the condenser?
Reduced delivery pressure
reduced suction pressure
Increased delivery pressure
Increased icing up of the compressor suction line.
If a vessel is rolling heavily in a seaway and has negative GM and a small Angle of Loll, describe how the vessel will roll.
Roll unevenly flopping over between the Angle of Loll on each side.
Roll evenly either side of the upright position.
Roll evenly each side of the Angle of Loll.
Roll between the Angle of Loll on each side.
What action should be taken if the inert gas plant fails during discharge of a liquefied gas cargo?
Slow down the discharge rate until the IG plant is working again.
Open the atmospheric vents to prevent a vacuum in the cargo tanks.
Stop all cargo operations and inform the terminal.
Open the vapour return line from shore to prevent a vacuum in the cargo tanks.
Why are handrails in ro-ro decks painted?
To prevent personal injury
To facilitate cargo operations during the hours of darkness
To highlight deck walkways
To prevent contact with vehicles
A loaded bulk carrier experiences heavy ice accretion on deck forward, what are the major concerns of the changes in stability?
Excessive trim by the stern
Reduction of speed and additional fuel consumption
Reduction of metacentric height (GM) and loss of freeboard forward
Increase in metacentric height (GM)
Under U.S. Occupational Safety and Health Administration (OSHA) regulations when is a Vertical Tandem Lift possible?
When two intermodal containers one on top of the other are connected by semi-automatic twistlocks
When three intermodal containers in a stack are connected by fully-automatic twistlocks
When two intermodal containers one on top of the other are connected by fully-automatic twistlocks
When three intermodal containers in a stack are connected by semi-automatic twistlocks
How can you monitor the liquid level in the vapour line?
By use of a float switch or differential pressure in the liquid receiver
By monitoring the atmosphere in the vapour line with a fixed gas detector
There isn't any possibilities to monitor liquid in the vapour line
By monitoring the temperature in the vapour line on the compressors suction side
Which of the following cargo types could normally be stowed next to drums of cement on a General Cargo Vessel?
Pallets new clothing
Steel plates
Bagged rice
New motor cars
All necessary information for the next port of call should be:
Procured during the voyage prior arrival at the next port
Procured before departure from a port
Procured on arrival at the next port
Requested on email
Failed O-rings on a 2 stage air compressor cylinder liner have resulted in a water leak. Where is the leaking water most likely to go when the compressor is operating?
Into the LP cylinder.
Into the HP cylinder.
Into the intercooler.
Into the crankcase and mix with the lube oil.
Shortly after starting up a fuel oil purifier oil is seen to be trickling out of the sludge outlet. Which of the options given is the most likely cause of this problem?
Incorrect gravity disc fitted.
Insufficient seal water supplied during start up.
Damaged bowl seal.
Excessive back pressure in the clean oil outlet.
When measuring the liquid level in the cargo tank of a liquefied gas carrier a number of different corrections may be necessary to get a true reading. Why do readings obtained from a float type ullage tape sometimes require a 'tape correction'?
The vessel may not be on an even keel when the readings are taken.
The length of tape in contact with very cold cargo vapours may contract.
The vessel may have a list when the readings are taken.
The float may become heavier and partly sink due to liquid cargo absorption.
Is it allowed to have animals on the car deck during a voyage?
Yes, if they are safely placed in a suitable vehicle
Only if the weather conditions permit
It is up to the captain to decide
No
During inspection of a cylinder liner for a large, slow speed diesel engine it is found to be worn in a cloverleaf pattern. The greatest points of wear are found to be in way of the cylinder lubricator holes. From the options given, what is the most likely cause of this type of wear pattern?
Excessive cooling of the cylinder liner at low load operation.
Fuel impingement on the liner due to faulty fuel injector nozzle.
Cylinder lubricant has too high an alkalinity for the sulphur content of the fuel.
Insufficient cylinder lubricating oil being supplied.
If a boiler is smoking “black smoke” a possible cause can be
Too little combustion air
Fuel oil temperature too low
Dirty burners
All alternatives
What action should be taken if machinery does not function properly?
If machinery does not function properly, its condition should be noted and plans for further action developed together with the Chief Engineer
If machinery does not function properly, the operational parameteres should be verified and the machinery stopped
If machinery does not function properly, it should be serviced immediately
If machinery does not function properly, the Chief Engineer should be consulted
On a Container vessel, who is responsible for the safe lashing and securing of containers?
The chief officer
The duty officer
The cargo surveyor
The master
After discharging petcoke and washing the cargo holds in the Mediterranean Sea where can a vessel bound for Aden discharge the cargo residue?
At a shore facility
In the Red Sea
In the Mediterranean Sea
In the Gulf of Aden
The purpose of the “flame scanner” on the boiler is
check the colour of the flame
all the alternatives
controlling the combustion air supply to the boiler
shut off the oil flow if the flames goes out
From the options given, choose the one most likely to result in a high exhaust gas temperature in one cylinder of a diesel engine.
The inlet and exhaust valve tappet clearance is incorrect.
Fuel injection valve opening pressure set too high.
Faulty turbo charger.
Clogged nozzle holes in the fuel injection valve.
Which of the following would be considered pollution, when discharged overboard, under the US water pollution laws?
All of the mentioned
Garbage
Oil
Hazardous substances
An expansion process along a turbine venturi is ofthen recognized as if no heat transfer out of the system is occuring What is the correct term for this?
Adiabatic.
Isochorie.
Isobar.
Endothermic
On the figure there are four (4) possible definitions of the term "AIR DRAUGHT" given. Which one is the correct one?
Air draught is given by B on the figure
Air draught is given by A on the figure
Air draught is given by D on the figure
Air draught is given by C on the figure
Fully pressurised ships are fitted with type "C" tanks. What is the normal design pressure?
Design pressure of about 12 barg
Design pressure of about 2 barg
Design pressure of about 15 barg
Design pressure of about 18 barg.
Indicate the correct name for the part marked on the sketch:
Rocker
Main bearing
Push rod
Connecting rod
What is the correct definition of "lee side"?
Port side.
The side from the wind.
The side against the wind.
Starboard side.
When can semi-automatic twistlocks be used, under the U.S. Occupational Safety and Health Administration (OSHA) regulations?
When used to lock three empty intermodal containers that are to be lifted, one on top of the other
To secure on-deck containers in the first and last container bays
When used to lock two empty intermodal containers that are to be lifted, one on top of the other
To secure all on-deck containers
On a General Cargo Vessel, what do Tonnes per Centimeter Immersion (TPC), Moment to Change Trim by one Centimeter (MCTC) and Longitudinal Centre of Floatation (LCF) have in common?
They vary with small angles of heel
These vary with the gross tonnage of the vessel
They vary with changes in displacement
They remain unaffected by changes in displacement
Modern cellular container vessels which carry refrigerated cargo below deck mainly maintain an acceptable temperature in the cargo holds by which of the features given in the options?
By designing the vessels with a larger gap between the columns of containers.
By using large natural ventilators to achieve the required air changes.
By using powerful mechanical fans to achieve a large number of air changes.
By insulating the fuel tanks in the vicinity of the cargo space.
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.
What is the difference between an independent tank type A and independent tank type C
Independent tank type C is spherical tank
Independent tank type A is prismatic tank
There is no different on the two types
Independent tank type A need secondary barrier
The instrument air system is suffering from excess water carry over to the instrument air lines. The air intake to the compressor has very high humidity. Which of the actions given in the options will most likely result in reducing this problem?
Use an additional coalescer filter in the inlet to the instrument air filter system.
Shorten the time between automatic receiver drain blow downs.
Reduce the superheat setting on the instrument air refrigeration/dryer unit.
Increase the cooling water flow through the compressor intercooler and aftercooler.
Fluid-driven eductors (as commonly found on crude oil tankers), operate on a principle known as Bernoulli's principle. What does that state?
The increase in pressure at the eductor inlet is inversely proportional to the decrease in pressure as measured at the discharge orifice.
The volume of a fluid increases as the pressure in it decreases.
The discharge rate is inversely proportional to the pressure applied in the drive inlet.
The speed of a moving fluid increases as the pressure in the fluid decreases.
In a smoke filled alleyway where will the cleanest air be found, and how should you proceed out?
Sit and wait for the rescue party.
It will be the same in all parts, therefore I would just leave as quickly as possible.
Near to the deck, crawl out keeping your face as near to the deck as possible.
Towards the upper part, stand as tall as possible and walk out.
The pressure delivered by a gear type fuel oil transfer pump suddenly reduces from 5 bar to 4 bar during transfer. From the options given, select the most likely cause of this occurrence.
The oil tank from which the oil is being transferred is empty.
The pump drive has sheared.
The pump gears and casing have become worn.
Part of the pump relief/recirculation valve spring has broken off allowing the valve to open further.
The Chief officer of a General Cargo Vessel has instructed that ballast tanks must not be allowed to overflow when ballasting alongside. Which of the following is of the greatest concern?
Overflowing ballast water running over side and onto quay resulting in possible damage to shore equipment
Ballast water flowing back into dock
Over pressurising the tank top
Tanks being filled incorrectly
The figures show a graphical symbol for a particular electronic component and a typical operating characteristic for the same. Which component?
Zener diode
Transistor
Tunnel diode
Thyristor
Which of the following statements is in compliance with international regulations?
The securing of cargoes must be completed before sailing
The securing of cargoes must be completed within two hours of leaving the berth
The securing of cargoes must be completed before the ship leaves the berth
The securing of cargoes may be completed at anchorage
Due to the very low carriage temperatures for LNG the thermal conductivity, k value, is an important property of the insulation material used in cargo containment systems. For a given rate of heat leakage across the insulation, which of the following statements is true?
The higher the k value the thicker the insulation needs to be.
The rate of heat leakage is unaffected by the thickness of the insulation.
The k value depends on the thickness of the insulation material.
The higher the k value the thinner the insulation needs to be.
Why should one not rely wholly on a loading computer?
Because loading computers do not indicate actual sea going conditions
Because loading computers do not warn of high centres of gravity when high cube containers are carried
Because some instruments do not warn of heavy-over-light containers so long as overall stack weights are within limits
Because loading computers do not indicate the positions of high cube containers
What would you do if you saw a stevedore starting to lash a container whilst other containers were being stowed above it?
Tell him to wait until overhead containers have been stowed
Inform the stevedoring foreman
Tell him to hurry
Inform the duty officer
When should the Second Officer call the Master?
The Second Officer should call the Master whenever he sights more than three ships
The Second Officer should call the Master just before breakfast
The Second Officer should call the Master thirty minutes prior to the vessel's arrival at the pilot station
The Second Officer should call the Master whenever anything unusual happens during his watch or whever he is in doubt, regarding the COLREGs
How often shall the inert gas scrubber be flushed with water?
Every hour
Before entering discharge port for inspection
After use
Once a year/18 months
We have a problem with surging in the turbocharger. Which of the following could be the cause?
The lubrication oil pump is malfunctioning
Dirty scavenging air cooler on the air side
Dirty rotor blades and nozzle ring.
Worn out bearings on the turbocharger
Why should cargo holds be swept completely prior to washing on a bulk carrier?
Because it is a requirement under MARPOL 73/78
So that cargo residues will not be pumped overboard
Because it is part of a company's safety management system
So that cargo residues will not clog the bilge lines and associated suctions and valves
The meaning of lapping a valve and valve seat is:
Machining the valve in a lathe machine.
Grind the valve against the valve seat to obtain a uniform sealing surface
Repair by welding
Adjust the overlapping of the inlet and exhaust valves
What do we mean by purging a cargo tank?
To purge a cargo tank means that we liquid free the tank with hot gas.
To purge a cargo tank is to load cargo into the tank.
To purge a cargo tank is to change the vapour phase either with cargo or neutral atmosphere.
To purge a cargo tank means that we blow air into the tank.
During replacement of the diesel engine cylinder cover following maintenance some manufacturers recommend that different torques are applied to some of the cylinder cover stud nuts. Select the option which is most likely to be the reason for this?
Temperature variations across the cylinder cover result in uneven thermal loads on the studs.
Pressure variations in the cylinder result in uneven mechanical loads on the cylinder cover studs.
The cylinder cover stud nuts that are most awkward to get at are always tightened more in case they become loose during engine operation.
The last of the cylinder cover stud nuts need to be tightened more to even out the load on the cylinder cover gasket.
During maintenance work in the engine room an access ladder and platform have been removed to allow work to be carried out on a pipe. When breaking for lunch what action should be taken to make the worksite safe?
Close off the area with rope or tape and put out warning signs that work is in progress.
Refit the access ladder and platform securely and remove it again after lunch.
Loosely refit the platform and ladder.
Leave one man to carry on working on his own and to warn anyone entering the engineroom that work is ongoing.
What is the main difference of deep well and submerged pumps?
The main difference is that deep well pumps are driven by hydraulic motor and submerged pumps are driven by electric motor
The main difference is that deep well pumps are more expensive than submerged pumps
The main difference is that deep well pumps are more easy to maintain than the submerged pumps
The main difference is that deep well pumps are connected to the motor with a long shaft and submerged pumps have both pump and motor submerged down in the tank
The Code of Safe Practice for Cargo Stowage and Securing was prepared to give guidance in which of the following cases.
Guidance for Port State Control Officers when carrying out ship inspections.
Guidance on securing of cargoes in hazardous ocean areas.
Preparation and content of the Cargo Securing Manual.
Ship specific guidance relating to securing of deck cargoes.
The ship is en route. When may passengers visit the bridge?
Whenever they want
Passengers are not allowed to visit the bridge while the ship is en route
When the weather is nice and the sea is calm
During daytime if the traffic is smooth
What is the main reason that LPG boil-off gas is unsuitable for use in the vessel's fuel supply?
LPG vapour is heavier than air at atmospheric conditions and represent a risk as they may accumulate in machinery spaces.
LPG vapour is too difficult to ignite.
Reliquefaction of LPG vapour is a simple process and is a cheaper option than burning the boil-off gas in the boiler.
LPG is too expensive to use as fuel.
Before departing the berth to ensure the stability of a RoRo vessel which if the following should be completed
Close all Ramps and hatch covers
Open all ramps and hatch covers
turn off all the deck hydraulics
Which of the following statements is correct with respect to IMDG cargo, loaded on a General cargo vessel, that is also classed as a Marine Pollutant
This cargo can only be loaded under deck
This cargo can only be loaded on deck
Cargo must be loaded in a protected location and preferably under deck if IMDG Code allows
Cargo of this type can be loaded anywhere on board the vessel
How can the officer in charge change the value of the Transverse Metacentric Height?
By loading or discharging cargo and changing the position of both G only.
By vertically shifting cargo and changing the position of both G and M.
By loading or discharging cargo and probably changing the positions of G and M.
Only by loading cargo and changing the position of both G and M.
Why is the tightening of the timing chain important?
To reduce vibration in the chain.
To avoid high wear down of chain and chain wheel tooth and a potential breakdown.
To get the right timing on the engine.
To reduce the noise level
When is the parallel sweep search used?
When searching large area
When searching during night
When searching in rough weather
When searching over small area
What is the name of UN maritime division?
The UN maritime division is UNM (United Nations Maritime)
UN does not have any maritime division.
The UN maritime division is IMO (International Maritime Organisations)
The UN maritime division ISO (International Shipping Organisation)
On a Container vessel, to what would a fibreglass yacht be secured after lifting onboard?
The cradle
Flatrack
Yacht Bay
Pallet
What is the name given to a liquid, in which the bones of a fish, poultry or meat carcass have been boiled, along with some vegatables, to be used later as the basis of a soup or sauce?
Stop.
Stock.
Broth.
Block.
What is the purpose of an evacuation analysis?
o provide port state control inspectors with reports
To ensure the ship can be evacuated in less than 30 minutes
To provide the passengers with written results of the analysis
To identify and eliminate, as far as practicable, congestion which may develop during an abandonment
Which shipboard equipment will detect a signal from a SART?
A DSC receiver.
The Autoalarm.
S-Band Radar.
X-Band Radar.
该在线测试包含来自 CES 5.1 测试的 90 道随机问题，涉及您选择的主题。