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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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问题 1 从 90
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A 6-men inflatable liferaft shall be carried as far forward as is reasonable and practicable. Where is the best stowing position?
In a locker, under the forecastle
Aft of the forecastle secured with wire, turnbuckle and slip hook
Aft of the forecastle secured with the use of a hydrostatic release device
All forward on the forecastle and secured with the use of a hydrostatic release device
Fire protected lifeboats when waterborne should be capable of protecting its full complement when subjected to a continuous oil fire that envelops the boat for a period of not less than how many minutes?
10 minutes
15 minutes
8 minutes
20 minutes
You are leading a team fighting an interior fire. If you see the colour of the smoke changing from dark black to grey, what is the most probable reason for that change?
the team has started to ventilate
the percentage of oxygen is getting below 15%
The team is applying water and the temperature is decreasing
the temperature inside is increasing
What is the general requirement for closing mechanisms for in- and outlets of all ventilation systems (ships other than passenger ships carrying more than 36 passengers)? (SOLAS II-2/16.9)
To be remotely controlled from central fire control panel
Automatic closure for each section to be activated by the fire detection and alarm system
Only manually closing mechanism allowed
Closing must be possible from outside the spaces being ventilated
What kind of measure is the division of the vessel in upright areas by using thermic and structural separations?
It is neither a prevention nor a protection measure
It is a prevention measure
It is both a prevention and protection measure
It is a protection measure
*May liquid fuel, lubricating oil or other flammable oils be carried in a forepeak tank?
No
Yes
It depends on the flash point
It depends on the type of trade of the vessel
*What precautions are necessary to prevent soot fires in the exhaust boiler ?
Hose down the smoke side at regular interval
Clean the smoke side regularly with soot blower equipment
Clean the smoke side with chemicals
All the mentioned alternatives
*Which of the following measures should be applied when hot work is to be undertaken in a harbour.
All the answers are good
To maintain a permanent fire watch of at least four persons
To have a hot-work permit
To use only intrinsically safe equipment in the area where hot-work is performed
If you detect a fire on board the ship, dependent on the situation, which of the following actions is the first to be taken?
Call the officer on duty.
Check all nearby compartments for survivors.
Try to kill the fire immediately by use of fire-extinguishers or other adequate appliances.
Raise the fire alarm.
What is the minimum number of "international shore connections" that should be provided on vessels of 500 gross tonnage and upwards?
0: such connections only have to be provided on vessels over 1000 gross tonnage
3
1
2
*Which of the following spaces may be protected by a fixed high expansion foam fire-extinguishing system?
Machinery spaces of category A-
Cargo pump room of tankers
Ro-ro cargo spaces capable of being sealed, if it is deemed that it gives an equivalent protection as the one that should be achieved by a fixed CO2 system
All the spaces mentioned
*Generally the fixed sprinkler fire extinguishing system will be:
Dry pipe system
Gas system
High pressure water system
Wet pipe system
What is the main criterion generally taken into account to classify portable extinguishers:
The extinguishing agent
Their pressurisation system
The way they can be moved
Their capacity of charge
How can you minimize the squat effect?
Decrease the speed as much as practicable
Maintain your course and speed
Increase speed if the ship is not already on full ahead
Do a zig-zag manoeuvre to reduce speed
Your ship is equipped with a single, right-handed fixed screw. Steaming full ahead you reverse the engine to stop the ship. How will the ship react? No wind or current.
She will most likely sheer to port and stop rather quickly
She will most likely continue on a straight course
She will most likely sheer to starboard and gradually lose headway
She will stop on 1.5 times the ship's length
When handing over the con of a vessel to a pilot, should the Master insist in discussing the passage plan with the pilot while he is there to use his local knowledge and advice on the navigation of the ship?
The passage is well established and known by the pilot and a plan is therefore not necessary
The pilot would probably consider it unnecessary, be more interested in knowing the ship's characteristics and resist any passage planning discussions with the Master.
A pilot is responsible for the navigation whilst on board and will be very familiar with what is required, therefore discussing the passage plan is not necessary
A passage plan should be discussed between the Master and pilot, when under pilotage in the same way as discussed with the bridge team when deep sea
Rigging of the Pilot Ladder and embarkation/disembarkation of a pilot should be supervised by:
The Sen.Off.Deck only
A responsible Officer
An experienced AB
The Bosun
The MF/HF-transceiver on board is tuned to the assigned frequency of a station. To make this connection the following mode is used:
H3E
Don't know
J3E
J2B
Give the meaning of the following symbol:
immersion suit
lifejacket
child's lifejacket
waterproof protection
Which of the following requirements regarding life-buoys do NOT correspond to present regulations? (SOLAS III/7.1)
Not less than half the total number of lifebuoys shall be provided with self-igniting lights
All life-buoys shall be placed in holders with quick-release arrangement
at least one life-buoy on each side of the ship shall be fitted with a buoyant lifeline
At least one lifebouy shall be placed within the vicinity of the stern
Which item among those below is included in the normal equipment of every lifeboat ?
a VHF transceiver
one immersion suit for each person
sea-charts and navigating equipment
one set of fishing tackle
Which item among those below is included in the normal equipment of every lifeboat ?
a VHF transceiver
a searchlight which can work continuously for not less than 3hours
one immersion suit for each person
sea-charts and navigating equipment
A ship is fitted with davit launched liferafts. How often should onboard training take place, including, when practicable, the inflation and lowering of a liferaft?
Every year
Every four months
Every three months
Every month
Your vessel has been in involved in a collision with an other vessel. As Master responsible for the ship and persons on board, what is the first step to take?
Organise someone to assess the extent of damage and the residual stability of the vessel.
Determine is there is any evidence of pollution.
Determine any injuries or deaths of persons on board
Communicate with the other ship.
Your vessel is a tanker in ballast and the two vessels are interlocked after collision. You have already made clear that all people are well taken care of and you will try to separate the two vessels. What should be your greatest concern?
If the vessels separate, the other vessel may run away and you will be the only one to blame.
That the separation may cause sparks that can possibly ignite the oil or any other flammable substances.
The exact time of the collision.
That you have your permission from the company to do so.
Why should there be checklists or work permits for hazardous operations?
To locate crew members in case of emergencie
So we know who to blame when something goes wrong
To make sure the job is done under controlled conditions
Because it is required by USCG (US Coast Guard)
Which electronic component is this graphical symbol illustrating:
Temperature sensor
Capacitor
Resistance
Transformer
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 standing orders must be issued to engineers with regard to fuel oil tanks located below vehicle decks?
Never to heat fuel oil to more than 50?C
Never to heat fuel oil to more than 45?C
Never to heat fuel oil to more than 55?C
Never to heat fuel oil to more than what is specified for the vessel
What type of lashing arrangement is needed on weather deck for securing one container high?
No lashing arrangement needed.
Turnbuckles and rods.
Twistlocks with turnbuckles and rods.
Twistlocks.
Why do we use oil free compressors on the cargo side in a cargo cooling plant?
We use oil free compressors in the cargo side to avoid oil spill into the cargo.
We use oil free compressors in the cargo side because they have less RPM than the oil lubricated compressors.
We do not use oil free compressors in the cargo side because the compressors need to be lubricated.
We use oil free compressors in the cargo side because the cargo is cold and to cool down the compressor.
When cross-flooding arrangements to correct unsymmetrical flooding and excessive heel angels in damaged condition are installed in passenger ships, what is the maximum angle of heel after flooding but before equalization?
20 degrees
15 degrees
30 degrees
10 degrees
What is Inert Gas?
It is a gas containing insufficient oxygen to support the combustion of hydrocarbons.
It is a gas containing too much hydrocarbon vapour to support combustion.
It is a gas containing no oxygen.
It is a gas containing less than 21% by volume oxygen.
Which device does this graphical symbol illustrate?
Inverter
Rectifier
Pressure to current converter.
Differential pressure transmitter
If a refrigeration system contains air, how would you remove it from the system?
Pump the system down to the condenser, continue cooling water flow until the condenser is at the same temperature as the cooling water and vent off the air from the top of the condenser.
Stop the compressor and vent the air from the crankcase.
Pump the system down to the evaporator and keep the fan running until the evaporator is at ambient temperature and vent off the air from the top of the evaporator.
Stop the compressor and undo a pipe coupling at the highest point in the system to vent off the air.
What are the main components causing the magnetic compass to require a regular evaluation and compass correction?
The change in the position of the magnetic pole causing annual changes in the variation
Permanent and induced magnetism in the ships structure
The continual changes of courses steered by the ship
Deviation and Variation
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.
Chemicals and harmful substances must be kept away from passengers so that they don't steal it.
For safety reasons and stock control. When chemicals or harmful substances is delivered to a crewmember, the user shall sign for the amount received.
For stock control. Most of the chemicals and harmful substances we use on board are expensive.
What is the most important task after carrying out any major overhaul on a diesel engine?
A thorough check inside the engine to make sure all tools and cleaning rags have been removed.
Start the engine to check the direction of rotation.
Start the auxiliary blower to ventilate the engine so that it has sufficient fresh air for starting.
Repair any damaged paint work on the engine.
On board a crude oil tanker, where would you look for guidance on the washing system and equipment, together with the applicable operating procedures?
MARPOL 73/78 - Annex I.
The Oil Record Book - ship particulars page.
The ODME Operating Manual - manufacturer's instruction section.
The Operating and Equipment (COW) Manual.
An LNG carrier is equipped with membrane type tanks with a MARVS less than 0.7 bar. What additional cargo containment requirements, if any, are needed for this type of cargo tank arrangement?
Only a partial secondary barrier is required.
No secondary barrier is required as this is a self supporting arrangement.
Only a drip tray is required.
A full secondary barrier is required.
In a low pressure auxiliary boiler, what would be considered to be the maximum allowable chloride level of the boiler water?
300 PPM.
1000 PPM.
50 PPM.
600 PPM.
On a Container vessel, when will a full container experience a force of 100% of its weight?
When the ship is heaving
When the ship is rolling and pitching
When the ship is rolling
When the ship is pitching
An emergency situation on board must be reported to the company by:
The fastest means available
The Sat-C
The email to save cost
The Telex to have a record
In the context of oil tanker operations, what is "clingage"?
Oil residues remaining in the bottom of a cargo tank after tank-cleaning
The resistance to flow in a pipeline during the discharge of an oil cargo
Electrostatically charged bubbles of air and moisture suspended in an oil cargo after loading
Residues remaining on the inside of a pipeline, or on the internal structure of a cargo tank after an oil cargo has been discharged
An indicator card from a cylinder of a slow speed diesel engine shows a high maximum pressure occuring earlier in the cycle than normal with a normal compression pressure. From the options given, which action is most likely to identify the cause of the problem?
Check if the fuel injection valve is partly blocked.
Check if the fuel injection pump timing is correct.
Check if the fuel viscosity and temperature are correct.
Check if the fuel filters are blocked.
Why does MARPOL require debottoming of tanks prior to COW?
To prevent electrostatic generation
In order not to mix crude and water
To prevent corrosion in COW machines and COW piping
To prevent corrosion of tanks
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
Are membrane tanks self supporting as the independent tanks?
Membrane tanks are self-supporting only when they are loaded
Only the inner membrane is self-supporting
Membrane tanks are not self-supporting
Membrane tanks are self-supporting as the independent tanks
At what temperature do we take the Reid Vapour Pressure test?
We take the Reid Vapour Pressure (RVP) test at the temperature of 100 C.
We take the Reid Vapour Pressure (RVP) test at the temperature of 60.0 C.
We take the Reid Vapour Pressure (RVP) test at the temperature of 38.7 C.
We take the Reid Vapour Pressure (RVP) test at the temperature of 37.8 C.
On a Container vessel, what should a crew member do if a tank container on deck is found with a leaking valve?
Close the leaking valve
Wash away the leaking contents immediately
Raise an alarm
Report it immediately to the duty officer
Which of these steps (in shut-down procedure) shall be executed last?
Shut down of inert gas blower
Close the gas pressure control valve
Close the flue gas uptake
Open ventilation valve to atmosphere
Some liquefied gas carriers require a secondary barrier as part of the cargo containment system. What is the main purpose of a secondary barrier on these gas carriers?
To provide temporary containment of any leakage of cargo through the primary barrier.
To reduce heat leakage into the cargo.
To hold the thermal insulation for the primary barrier in place.
To connect the cargo containment system to the ship's hull.
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.
On routine daily inspection you notice that there is a light arcing between an alternator's carbon brushes and rotor sliprings, with alternator operating at 70% load. Should you:
Check the surface of the sliprings, polish if necessary and bed in the brushes
Clean up and increase the tension on the brushes
Move the position of the brushes around the sliprings to find the correct neutral position
Reverse the polarity of the excitation voltage at the brush holder connection
A bulk cargo has a stowage factor (S.F) of 1.50 cubic metres per metric tonne (m3/mt). If 1000 tonnes are to be loaded what volume will this cargo occupy?
1500 cubic metres ( m3)
1000 cubic metres
15000 cubic metres (m3)
3000 tonnes
Continuity testing of a delta connected three phase induction motor yields the following results; U1-V1 = 4 ohms, V1-W1 = 4 ohms, W1-U1 = 4 ohms. What is the value of continuity resistance for each winding ie. U1 - U2?
2 ohms
4 ohms
12 ohms
6 ohms
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
What do you call the wide rung on a pilot ladder that prevents the ladder from twisting?
The wide rung on a pilot ladder that prevents it from twisting is called a 'Wide step'
The wide rung on a pilot ladder that prevents it from twisting is called an 'Ani-twist rung'
The wide rung on a pilot ladder that prevents it from twisting is called a 'Long rung'
The wide rung on a pilot ladder that prevents it from twisting is called a 'Spreader'
How can the ship’s master prove that a vessel is British?
By showing survey certificates issued by Lloyds Register in London
By showing the ship-s register
By flying the Red Ensign
By showing a Certificate of Equivalent Competency issued by the MCA
A vessel’s aft draught reading is 8.50m with a correction factor of 0.065m; the aft draught marks are painted forward of the after perpendicular. What is the corrected aft draught if the vessel is trimmed by the stern?
8.63m
8.565m
8.37m
8.435m
Check the items that can be a possible threat
All alternatives
"Piracy, Hijacking and Smuggling"
Bombing and Sabotage
Cargo tampering and Stowaways
Where should a mid-bay guide be positioned?
At the base of cell guides
On the tank top between two 20’ container bays
Between 20’ container bays on deck
On the tank top at the ends of 40’ container bays
An inspection in the amidships area of the weather deck of a Panamax container vessel has revealed cracks in the hatch coamings. Which part of the vessel should now urgently be inspected.
Transverse bulkhead beneath the bridge front.
Longitudinals in the double bottom tanks in the amidships half length of the vessel.
Transverse bulkhead immediately aft of the engine room.
Stiffening in the forepeak tank at approximately water line level.
From where can one obtain information regarding the segregation of dangerous goods packed in cargo transport units?
The cargo securing manual
The shipper of the cargo
Special tables in the IMDG Code
Details in the bill of lading
What is the meaning of the expression 'dead-band'?
It will is not respond to adjustment of set-point
The controller will not react to a process change in this range
The controller will enter 'sleep mode'
It will take some time before the controller will react to a change
The timing of the engine is delayed. The exhaust temperatures are high. How would you expect this to affect the turbocharger?
Higher air and gas temperature after turbocharger.
Surging of the turbocharger.
Decreased turbocharger revolutions.
Increased turbocharger revolutions.
What is the meaning of the term purification?
Separation of solid contaminants from a liquid.
Cleaning a liquid.
Separation of two insoluble liquids with different densities, and at the same time removing of solids.
Operation as the 2.nd separator in a serial system.
When an engine is working normally, the lubricating oil return temperatures are moderate and the running temperatures of the moving parts are also moderate. Lubricating oil is not a volatile liquid and the temperature inside the crankcase is insufficiently high to cause concentration of vapor. What would be the flash point of the lubricating oil?
Above 250 deg C
Above 150 deg C
Above 100 deg C
Above 200 deg C
What does the 1 Engineer want to have done?
He wants the feed water tank cleaned
He wants the feed water tank inspected
He wants the heating coils inspected
He wants the Fitter to Check the CO 2 equipment
To Sweep the Ship in an emergency means that crewmembers are:
giving safety announcements from the bridge
sounding alarm bells from the bridge
searching for passengers in cabins or other hidden places onboard
directing passenger crowds to muster and embarkation stations
A number of standard 20 foot containers are to be loaded on the deck of a General Cargo ship by No 3 hatch; what are the main checks to be made ?
Containers weight recorded and secured with chains
Containers stowed with doors forward, customs and security seals checked intact
Containers stowed with doors aft, customs and security seals checked intact and clear access to lashings
Containers stowed with doors forward, customs and security seals checked intact; access to lashings unimportant
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
Furniture in stairways and corridors shall be kept to a minimum on board passenger ships, why?
Escape routes must be clear of obstructions and also due to fire protection
It is not allowed to sit in stairways and corridors
Due to fire protection
Passengers will most probably sleep in stairways and corridors if they are furnished
How many separate means of escape from passengers and crew spaces should it be in each zone?
One
Two
Four
Three
What is the most common way of handling the LNG boil off gas?
The boil off is let to the atmosphere.
It used as fuel for the main engine.
It used as fuel for the boiler.
It is liquefied and directed back to the cargo tank.
On the figure 4 possible definitions of the term "AIR DRAUGHT" are given. Which one is the correct one?
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
Air draught is given by B on the figure
What kind of cargo pumps is most common on LNG carriers?
Deepwell pumps.
Single stage deepwell pumps.
Submerges motor pumps.
Multistage deepwell pumps.
The IMO Gas Carrier code defines liquefied gases, of which LNG is an example, as those gases with absolute vapour pressure greater than 2.8 bar at a certain reference temperature. What is the reference temperature used in the definition?
15.8 degree C.
37.8 degree C.
100.0 degree C.
25.7 degree C.
Which of the following insulation materials that are used onboard gas carriers has the highest diffusion resistance?
Mineral wool.
Polyurethane foam.
Perlite.
Air.
Some IMDG Cargo is loaded on deck of a General Cargo vessel; what information must be available on the bridge after sailing?
There must be a risk assessment and cargo stowage plan
There must be a cargo plan and permit to work completed
There must be cargo plan, cargo manifest and emergency schedule information from IMDG Code
The IMDG Code must be available
Which of the following alternatives summarise the benefits of using high voltage on ships?
More efficient transformers and electrical machines
Smaller cables and better power factors
Smaller conductors, insulators and transformers
Smaller conductors, machines and switchgear
On a Container vessel, when can twistlocks be used to lift containers?
When they are semi-automatic
When they are fully automatic
Only if they have been approved and certified for this purpose
When they are of the mid-lock design
In which of the following processes will the time constant be of minor importance
Level control
Pressure control
Temperature control
Flow control
Which of the following cargo types is a general cargo vessel best suited ?
Containers and heavy project cargo
Pallets tinned foodstuffs and drums chemicals
Bulk grain and bulk cement
Fruit and vegetable cargoes
Which is the correct method of securing a lashing belt to a vehicle?
Using a knot
Using a ratchet
By means of a hook facing away from the deck
By means of a hook facing the deck
The power requirements for the excitation winding/circuit for a 3-phase alternator operating at rated output power are supplied by:
The alternators output itself via the automatic voltage regulator and the prime mover
The main switchboard via a three phase rectifier
Independent battery supply with the AVR
Independent power supply and rectifier unit
What is the minimum number of relief valves to be fitted to any cargo tank of greater than 20 cubic meters capacity?
Minimum one pressure relief valve.
The number of relief valves is dependent of type of gas carrier.
At least two pressure relief valves.
Minimum two pressure relief valves in addition to the MARVS.
How many rescue boats should be provided on ro-ro passenger ships of 500 gross tons and above?
Two, and at least one of the rescue boats shall be a Fast Rescue Boat
One Fast Rescue Boat
Two Fast Rescue Boats, one on each side of the ship
None providing the ship has lifeboats
Which person is qualified to carry out a five yearly thorough survey of cargo gear on a General Cargo vessel?
The master
A classification society surveyor
A deck officer designated by the master
A marine surveyor
You are in charge of discharging and crude oil washing a crude oil carrier. What is the maximum allowed oxygen level in a tank during crude oil washing? (IMO Reg)
8%
5%
10%
3%
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