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Главная Онлайн-тесты CES Chemical tanker MASTER / Ch-Officer Онлайн-тест CES 5.1 для MASTER / Ch-Officer, Chemical tanker vessel
Онлайн-тестирование: Онлайн-тест CES 5.1 для MASTER / Ch-Officer, Chemical tanker vessel
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Тест состоит из случайных вопросов по выбранной теме.
Вопрос 1 из 90
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What kind of starting system shall the lifeboat engine be fitted with ?
either a manual system or a power starting system with two independent rechargeable energy sources
either a manual system
two independent and separated systems
one manual system
What class of fire involves liquids?
Class C fire
Class B fire
Class D fire
Class A fire
Which class of fire involves gas?
Class C fire
Class D fire
Class A fire
Class B fire
*Which of these series of sizes corresponds to the international standard for nozzles
10 mm and 20 mm
10mm, 20 mm and 30 mm
12 mm, 16 mm and 19 mm
5 mm, 10 mm and 20mm
What type of construction material should be avoided regarding fire protection purposes? (SOLAS II-2/2.2.3)
All plastic materials
All composite materials
All combustible materials
All uncovered wooden materials
You wish to send a DSC-message because of a m.o.b. situation and assistance by other ships is required. You have to choose the category:
Individual
Urgency
Safety
Distress
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
When may a call for radio medical advice be preceded by the urgency-signal:
Always
In urgent cases
When you have a doctor on board
Never
To inform ship of coast-stations messages, coast-stations give at fixed times:
A list with the names of the ships involved spoken alphabetical numerical sequence.
A list of the official identification numbers, for example the Maritime Mobile Service Indentity (MMSI).
A traffic list with the call-sign of the ships involved in alphabetical numerical sequence
A list of all the messages for each vessel
Can you stow Butyl Alcohol adjacent to Caustic Soda ?
Yes
No, group 20 and 5 is not compatible.
Yes if the consentration of the Caustic Soda is not above 50%.
Yes if the Caustic Soda is not heated above 35° C.
Why is line blowing/pigging from shore a very critical operation ?
Because the cargo hose/loading arm may burst.
Because the pig may be able to get on board.
Because serious structural damage and overflow can be caused by the creation of pressure in the shore tanks during this operations.
Because serious structural damage and overflow can be caused by the creation of pressure in the tanks during this operations.
When carrying i.e. isocyanates which reacts with water and the only heating medium for the heating coils is water, how would you then plan the stowage in order to keep the cargo within requested temperature ?
Stow the product adjacent to a cargo which have a heating around the requested temperature for the isocyanate.
Use steam as a heating medium.
Load it in a clean bunker tank in the engine room.
Fill the heating coils with glycol and heat as normal.
When cleaning cargo tanks with portable machines, how is the machine grounded?
The water jets impinging on the vessel-s structure form a pathway to ground.
Bonding wires are secured from the machine to a convenient location on deck.
The water supply hoses contain internal wires that act as conductors
The machines must maintain physical contact with the deck at the Butterworth opening.
What is a passenger ship according to SOLAS regulations?
A purpose-built passenger ship carrying persons only on defined lines or routes
A ship which carries more than 12 passengers
A ship which is arranged and fitted for carriage of persons which are not members of the ship's crew
A ship which carries passengers only
If Mouth - to - Mouth (M-T-M) ventilation by itself is unsuccessful and the casualty's heart stops, or has stopped beating, you must perform External Chest Compression (ECC) in conjunction with M-T-M. When performing ECC, where do you place your hand on the casualty's body?
Place the heel of your hand on the top of the heart position. Cover the hand with the heel of the other hand.
The correct position of your hands are of no importance.
Place the heel of one hand, two finger breadths above the bottom of breastbone. Cover the hand with the heel of the other hand.
Place the heel of your two hands on the top of the breastbone.
What is the first sign and symptom of a Cardiac Infarction?
Skin may be red and loss of movements in the right arm may occur.
Possible frothing at the mouth.
Strong and painful pulse.
Sudden crushing, vice-like pain in the centre of the chest.
What is the flash point of a Class 3.3 substance?
Lower than 0?C
Lower than -18?C
Lower than or equal to 61?C
Lower than 23°C
How many, minimum lines of positions are needed to decide a position using the decca system?
1line of position.
6 lines of position.
2 lines of position.
8 lines of position.
What is a "Rescue Sub-Centre" (RSC)?
A centre for underwater search and rescue operation
A unit subordinate to a rescue co-ordinating centre
A center established to assist the main national rescue centre
A national search and rescue centre subordinate to an international search and rescue co-ordinating centre
The maximum rudder angle on your ship is 35 degrees. Do you think this is the angle that the rudder is most effective?
No, the most effective rudder angle is about 25 to 30 degrees, this is because the rudder is "stalling" at 35 degrees angle
No, the rudder is most effective at small rudder angles
No, the rudder is most effective at angles between 10 and 20 degrees
Yes, the rudder is most effective at max angle
You are going to leave a crowded anchorage and make a 180 degrees turn. Your ship has a right-handed propeller and you can turn either way. How can you make the turn using as little space as possible?
Full ahead, rudder hard to starboard
Rudder hard to stb. , full ahead. Rudder hard to port, full astern. Repeating this manoeuvre until you have made the turn
Rudder hard to port, full astern. After you gain some sternway, rudder hard to starboard and full ahead
Full ahead, rudder hard to port
Whilst unmooring after a ship to ship transfer operation, experience shows that, for the manoeuvring vessel, casting off the forward moorings first and letting the bow swing out before casting off the final after moorings, and then steaming away is a satisfactory procedure. It is recommended however that the angle of disengagement when steaming away should initially be kept at:
60 °
20 °
5 °
2 °
When should operational checks on navigation equipment be done?
As often as possible
When time allows
When errors are indicated
Regularly, when preparing for sea and entering port
Modulation is:
Don't know
to enhance the side bands in relation to the carrier wave
blending LF & HF signals
detecting frequencies
The effect of reflection of the radio waves in the ionosphere on the range depends on:
The correct adjustment of the button band width
The correct adjustment of the dimmer
The amount of ionisation
The correct adjustment of the clarifier
What is the usual range of a VHF equipment ?
3000 miles
30 miles
300 miles
500 miles
Define the class of emission H3E :
Radiotelex and DSC - Frequency shift keying of carrier with error correction
Radiotelephony - Single sideband full carrier
Radiotelex and DSC - Phase modulation
Radiotelephony - Single sideband suppressed carrier
Which of the following frequencies is used by the NAVTEX system ?
Ответить
Give the meaning of the following symbol:
child's lifejacket
diver suit
lifejacket
immersion suit
*The lifebuoy not making part of quick-release arrangement must have a weight of at least:
0,5 kg
1kg
1,75 kg
2,5 kg
Which of the following features is required for an anti-exposure suit ?
has inherent buoyancy of at least 70N
is marked with the name of the vessel to which the appliance belongs
is made of such a material that it cannot be torn
can be continously worn without impeding every duties to be performed by the wearer when in normal watch on the bridge
What equipment and accessories are provided in a liferaft to help you keep warm in cold weather ?
thermal protective aids for each person
the floor of the raft has a second layer which can be inflated to help insulation, in addition to the thermal protective aids (10% of complement, minimum 2)
two life jackets and two thermal protective aids
two immersion suits and the floor of the raft which has a second layer which can be inflated to give additional insulation from the cold water
Which one of the listed requirements regarding enclosures of totally enclosed lifeboats do not correspond to present regulations? The totally enclosed lifeboats shall:
automatically attain a position in damaged condition, providing an above water escape for its occupants
have safety belts to be designed to hold a person of 100 kg securely in place with the lifeboat in a capsized position
have self-bailing arrangements
have automatic self-righting abilities
How much liferaft capacity should be provided on a conventional cargo ship of more than 85 meters in length, built after July 1986?
75% of the complement on each side of the ship
100% of the complement if it can be readily launched on either side of the ship. If it cannot be readily launched on either side, 100% must be provided on each side
25% of the complement on each side of the ship
50% of the complement on each side of the ship
For how long and at what speed is a fully loaded lifeboat designed to operate in calm weather?
3 knots for 24 hours
6 knots for 24 hours
4 knots for 48 hours
10 knots for 24 hours
*Give the meaning of the following symbol
Lifeboat with waterproof canopy
Rescue boat with waterproof canopy
Lower lifeboat to water
Start water-spray
*On-board training in the use of davit-launched liferafts (including inflation and lowering whenever practicable) must take place
every month
every 2 months
every 3 months
every 4 months
The typical current gain of a common emitter transistor is
10-200
500-5000
1-1000
1-10
What is the relative liquid density of Methane?
0.427
0.554
0.624
0.583
On a Bulk Carrier, when should the drainpipe covers fitted to hatch coamings drains be secured?
After securing the hatch covers
During the ballast passage
In the event of a cargo hold fire
When heavy weather is expected
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.
On a General Cargo ship, what must completed before a cargo hoist wire is replaced on a deck crane ?
Permit received from Port Authorities
A full risk assessment carried out and a permit to work issued
Check list completed and work plan agreed
Risk assessments would not be required for this type of work
A new gasket has been fitted to the manhole cover of a ballast tank. Which of the options given would be a suitable test that the new gasket is correctly fitted?
Carry out a hose test on the manhole cover.
Carry out an air pressure test on the ballast tank.
Fill the tank with water up to capacity.
Fill the tank with water until it overflows through the air vent.
The Inert Gas Plant shall be capable of delivering inert gas with an oxygen content of not more than?
Max. 5% oxygen
Max. 8% oxygen
Max. 10.8% oxygen
Max. 2% oxygen
As well as hazards due to flammability, toxicity and frostbite some liquefied gas cargoes may cause chemical burns in the event of skin contact? Which of the commonly carried cargoes given in the options is most likely to result in chemical burns due to skin contact?
Propane.
Butane.
Ethylene.
Ammonia.
What can be the punishment for a shipmaster who refuses to provide any person carried on the ship with anything which he is entitled to receive in such capacity, or who permits such refusal?
Shall be liable to fines or imprisonment for a term not exceeding 6 months, but not exceeding 1 year if there are especially aggravating circumstances.
Shall be liable to fines or imprisonment for a term not exceeding 6 months, but not exceeding 2 years if there are especially aggravating circumstances.
Shall be liable to fines or imprisonment for a term not exceeding 12 months.
Shall be liable to fines or imprisonment for a term not exceeding 6 months, but not exceeding 9 months if there are especially aggravating circumstances.
A conventional reefer vessel operating a Controlled Atmosphere (CA) is approaching the port of discharge in Northern Europe. Which is the most suitable action to take from the options given?
Turn off the CA plant just prior to the start of discharge operations.
Continue to apply CA throughout the discharge to maintain the condition of the cargo.
Continue to apply CA until the hatches are opened to maintain the condition of the cargo.
Turn off the CA plant and thoroughly ventilate the cargo spaces under CA with fresh air just prior to arrival.
A vessel with a large transverse GM will have which of the following rolling periods?
Fast abrupt rolling period to small angles.
A moderately comfortable period with medium angles of heel.
Slow period of roll either side of an angle of loll.
Very slow and to large angles of heel.
At sea the fire detection system on the bridge activates and indicates smoke present in No 1 Hold of a General Cargo ship; what action should be taken?
Call Master , sound General Alarm, muster crew and prepare to investigate
Call Chief Officer to investigate initially
Assessment not required at this stage
Investigate by sending lookout to check space
According to the ISGOTT definition, what is "volatility"?
The tendency of a crude oil or petroleum product to produce gas.
The ability of a crude oil or petroleum product to resist ignition.
The measure of a crudre oil or petroleum product's vapour pressure.
The tendency of a crude oil or petroleum product to ignite.
A 3-phase induction motor is rated at 200 A Full loadline current. Its initial direct- on-line starting current will be approximately:
5000 A
1000 A
200 A
100 A
Which of the following should be available alongside the hand-washing facilities in the galley?
A bacterial liquid soap dispenser.
A mirror.
A light with a waterproof switch or pull chord.
A re-usable cotton towel on a rack.
Searches are often triggered by:
Lost baggage.
News stories of stowaways.
The receipt of a shipment of damaged stores.
An increase in security level by the Flag State.
What type of vessel is this?
Vessel not under command and not making way
Vessel at anchor carrying out special operations
Vessel aground
Deep draft vessel
How does the Master want the tug secured?
The Master wants to secure the tug using two backsprings
The Master wants to secure the tug using two breast lines
The Master wants to secure the tug using one head line and one stern line
The Master wants to secure the tug using two head lines
What would you do if you saw a container being damaged during loading operations?
Note the date and time of occurrence, container number and if possible take photographs
Call the duty officer
Inform the relieveing watchkeeper
Inform the master
Some charters will require a reefer vessel to carry a general cargo, for example paper rolls for the manufacture of fruit cartons, on the return, 'empty' leg of a voyage. Select from the options given, the main problem associated with carrying paper rolls on a reefer vessel in this way that the deck officers should be aware of.
Paper rolls must be handled with care to avoid damage to the ends of the rolls.
Paper rolls are sensitive to wetting.
The paper rolls are heavy and this may result in overload of the decks.
The hold insulation and vent trunking can be damaged if the paper rolls are improperly secured.
On a Bulk Carrier, what should be done immediately, if during the voyage the temperature of bulk coal exceeds 55?C?
Continue ventilation of all cargo spaces
Seal the hold completely and monitor the cargo using suitable instruments
Use fire fighting water in the hatch
Stop ventilation of cargo space
What separating temperature do You mean is best for lub. oil.?
About 50 Centigrades.
85 - 90 Centigrades.
40 - 60 Centigrades.
60 - 80 Centigrades.
The use of combustible material is restricted in the accommodation spaces in order to:
Reduce cost of construction
Prevent occurrence of fire and explosion
Don't know
Contain and suppress fire and explosion in the compartment of origin
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 the context of ship design, what does the abbreviation "OBO" stand for?
Ordinary Blend Oil
Ore Bulk Oil
Oil Bulk Overall
Only Bulk Ore
When securing a non-standardized portable tank what is a favourable securing angle that will prevent it from tipping in the fore and aft direction?
40 to 50 degrees
65to 70 degrees
60 to 65 degrees
50 to 60 degrees
Which of the following cargoes would normally require surrounding empty cargo tanks, void spaces and ballast tanks to be inerted prior to loading and maintained in that condition while the cargo was on board?
Propylene Glycol.
Propionic Anhydride.
Propylbenzene.
Propylene Oxide.
Is it required to have supplementary emergency lighting on board ro-ro ships?
No, reflective marking indicates the escape routes
No, portable battery operated lamps shall be provided in alleyways and public spaces
Yes, all passenger public spaces and alleyways shall be provided with supplementary electric lighting
No, passengers should bring their own flashlights
During maintenance work on a main diesel engine the fuel injection valve is found to be jammed in the pocket in the cylinder cover. Which of the procedures given in the options should be followed in order to complete the work?
With the fuel injection valve retaining nuts removed admit compressed air into the engine cylinder to try and blow the injection valve out of the pocket.
Replace the complete cylinder cover with a spare unit and land the cover with the jammed valve ashore for repair in a specialist workshop.
Remove the cylinder cover and try and drive the injection valve out of the pocket from the underside with a hammer and punch.
Wedge a bar between the piston top and the bottom of the injector and use the turning gear to force the injection valve out.
Which of the following symptoms would indicate that the filter drier in a refrigeration circuit has become blocked?
A hammering noise from the drier.
A pressure rise before the drier.
A large temperature drop across the drier.
A hammering noise from the compressors.
What is the world-wide system operated by the US Coast Guard exclusively in support of search and rescue operations?
The Worldwide Maritime Mutual Assistance Programme (WMMAP).
The U.S. Command and Control Rescue (USCOMR) Service.
The International Search and Rescue Coordination System.
The Automated Mutual-Assistance Vessel Rescue (AMVER) System.
What is the meaning of the term “Span” of a transducer
The length between the connecting flanges
Type of standard output signal according to ISO
The maximum output signal when you have a minimum process value
The difference between maximum and minimum measurement that gives a standard output signal
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.
Indicate the correct name for the part marked on the sketch:
Air cooler
Cylinder head
Crankshaft
Turbocharger
On a Container vessel, what is the function of a twistlock?
To secure manually operated hatch covers?
To secure timber cargo?
To secure winches from unintentional running?
To secure/lash containers?
What will happen to sodium under normal atmospheric conditions in the presence of water?
It will undergo a chemical reaction
It will explode
It will decompose
It will self-ignite
A standard outside micrometer requires regular maintenance, including calibration, in order to ensure accuracy of measurement. How is the accuracy of this type of instrument normally checked? Select the answer from the options given.
By checking the distance between the micrometer anvil and spindle with an inside micrometer.
By measuring a standard gauge block or rod at a common temperature.
By checking the distance between micrometer anvil and spindle with an inside vernier gauge.
By trying a go/no go gauge between the micrometer anvil and spindle at maximum opening at a common temperature.
What is the minimum MARVS on a fully pressurised liquefied gas carrier?
Not be less than 7 bar.
Not less than the gauge vapour pressure of the cargo at 45 degrees C.
Not less than the gauge vapour pressure of the cargo at 0 degrees C
Not less than 0.7 bar.
What are the duties of the watch-keeping engineer?
The duties of the watch-keeping engineer are to keep constant surveillance of machinery and auxiliary systems and to inspection the steering gear at least once a watch
The duties of the watch-keeping engineer are to maintain the required ship's speed
The duties of the watch-keeping engineer are to ensure that the machinery spaces are properly manned
The duties of the watch-keeping engineer are to keep constant surveillance of the steering gear and hydraulic system
Which push-button valve A, B or C must be pushed (operated) in order to obtain movement of the pneumatic cylinder S?
A
B
None
C
Which of the following answers would most appropriately describe shell plating damage to the vessel?
"My vessel has sustained damage to shell plating in way of No. 3 cargo hold"
"My vessel has sustained damage to shell plating below the waterline"
"My vessel has sustained damage to shell plating above the waterline"
"My vessel has sustained damage to shell plating below the waterline in way of No. 3 cargo hold, starboard side"
Ro-ro passenger ships shall either carry automatically self-righting liferafts or canopied reversible liferafts. What does it mean that a liferaft is automatically self-righting?
The liferaft will automatically turn back into an upright position when it is empty of people
It means the same as self-righting lifeboats
One person can manage to turn the liferaft back into an upright position
The liferaft will automatically turn back into an upright position when it is fully loaded with people
The internal e.m.f. generated in the phase windings of a lightly loaded a.c. generator is controlled by:
The prime mover speed and excitation current.
The internal volt drop and the load current.
The internal volt drop and the residual magnetism.
The prime mover and load current.
Some liquefied gas carriers are fitted with nitrogen generating equipment, often of the membrane module design. What would be the expected purity of the nitrogen produced by such equipment?
87 to 89% pure nitrogen.
90 to 92% pure nitrogen.
100% pure nitrogen.
95 to 97% pure nitrogen.
Why should cargo residues be removed from bilge wells?
Because corrosion will occur
Because bilge sounding pipes could become blocked
Because moisture levels will increase in the cargo holds
Because other cargoes will be contaminated
While on boiler watch in the engine room a rating is requested to assist with taking on stores. The task will take about half an hour. What should the rating do?
Just ignore the request to assist with the stores.
Go and help with the stores but go back and check the boiler every 10 minutes.
Raise the boiler water level above normal to make sure there is sufficient water while he is busy with the stores.
Contact the engineering officer of the watch for permission to assist and to arrange a relief for the duration of the store taking.
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
During a stay in port, what shall always be ready at the gangway?
Air breathing apparatus.
Life buoy with line.
Survival suit.
Fireman’s outfit.
What is the most frequent used insulation on cargo tanks?
Expanded Perlite.
Mineral wool.
Polystyrene.
Polyurethane.
When tuning a cascade control system, where do you start
The slave controller with the master controller in manual mode
The master controller
The slave controller with the master controller in auto mode
Both at the same time
Which of the following cargoes can normally be loaded next to each other in the same space of a General Cargo vessel?
Drums of cement and bagged milk powder
Drums of cement and steel pipes
Pallets of pesticides and bagged grain
Rolls new carpets and drums lubricating oils
Some fuel oil and lubricating oil separators have a facility to control the back pressure of the clean oil outlet. What is the purpose of this control function?
To help to maintain the oil/water interface at the correct position.
To control the amount of fuel passing through the separator.
To reduce the amount of sealing water required during operation.
To assist in discharging the bowl contents during the sludge cycle.
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
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.