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Головна Онлайн-тести CES Chemical tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Chemical tanker vessel
Онлайн-тестування: Test online CES 5.1 for MASTER / Ch-Officer, Chemical tanker vessel
Онлайн-тест
Опис
Тест складається із випадкових питань з обраної теми.
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Which one of the listed fire-extinguishing medium is to be preferred to fight a fire in an electric installation (for example the main switchboard)?
Powder.
Foam.
Water fog.
Sprinkler.
Which of the following prevention actions offers the guarantee of an efficient intervention in an emergency
Planning of the emergency
Training of the crew
All answers are goods
The installation of protective measures
*When the fire alarm signal is sounded every member of the ship's crew shall immediately proceed to their assigned fire station. Which one of the following signals is used as fire alarm signal on board cargo ships?
Three short blasts followed by three long blasts, then followed by three short blasts on the ship's whistle and alarm bells
Seven short blasts followed by one long blast on the ship's whistle and alarm bells
One long blast on the ship's whistle and alarm bells followed by seven short blasts
Intermittent signals on the ship's alarm bells
A message is send by the Inmarset C-set. The land earth station will:
only send a positive delivery notification (PDN) to the sender if the sender requested, so in the send menu
automatically send a positive delivery notification (PDN) to the sender
never send a positive delivery notification (PDN) to the sender. The addressed will have to confirm the message through the ground-station and request for further information, if desired
Don't know
To obtain “time and duration” after a telephone call with number 010-1234567 in the Netherlands, via an Inmarsat-terminal, one should enter after receiving the second dialling tone:
Don't know
3731101234567#
31#
37#
In radio-telex distress traffic preference is given to FEC because:
reporting is faster
Don't know
everybody can read along
the system automatically requests repetition when reception garbled
The accuracy of the position of a Cospas-Sarsat EPIRB established / determined by a LUT is:
100 meters
20 miles
Don't know
5 miles
In which frequency band does a search and rescue transponder operate?
S-band.
9 GHz.
3 GHz.
406 MHz.
A distress-call, onboard via RCC, may only be given Receipt if:
OSC from the RCC concerned invites the vessels
The captain orders
The manager orders
The O.O.W deems it necessary
On chemical tankers, where dangers of both flammable & toxic gases exist, instruments to detect these shall be provided. If portable equipment is provided, you shall have:
At least ten sets of instruments to detect each type of gas expected to be encountered?
At least one set of instruments to detect each type of gas expected to be encountered?
At least two sets of instruments to detect each type of gas expected to be encountered?
At least three sets of instruments to detect each type of gas expected to be encountered?
Prior to entering service on a vessel in foreign trade for the first time you are required to have a health certificate not older than?
Three months.
One year.
Six months.
Five year.
According to the IMDG code which class of materials can have an extra number on the label to indicate its incompatibility with another material of its class?
Class1
Class2
Class3
Class 4.1
Where shall shoreside fire-fighting personnel find necessary information to control a fire on board a cargo ship in an emergency situation?
Through the nearest Maritime Rescue Co-ordination Centre, who will get them from the ship's owner
In the fire control plans or booklet that must be posted in a prominently marked localisation on the navigating bridge
The captain of the ship is the only person that may give such information
In the fire control plans or booklet that must be stored in a watertight prominently marked container outside the deck house
Give the meaning of the following symbol
Emergency bilge pump
Fire pump
Bilge pump
Emergency fire pump
What is the purpose of a sea anchor?
To give a better signal to any aircraft searching for survivors
To adjust the drifting speed of the lifeboat
To keep the lifeboat in a position close to the vessel
To keep the lifeboat steady against the sea/wind
Please name correctly the most common rudders as shown below? UNBALANCED, BALANCED, SEMI-BALANCED, UNDERHUNG BALANCED
NO. 3,2,1 and 4
NO. 1,3,2 and 4
NO. 2,3,1 and 4
NO. 1,2,3 and 4
Should recommended route information be used in conjunction with weather routing?
Sometimes
Yes
No
Only if recommended by weather routing
A coast radio station for sea area A2 has at least the following frequencies at its disposal
2174 Khz
2187.5 KHz
2187.5 KHz and 2182 Khz
2187.5, 2182 and 2174.5 KHz
According to the “Regulation and Restrictions” of the mariphone license, the mariphone:
apart from its position as indicated also be used in other places provided its call sign is at least transmitted once at the start and at the end of each transmission
Don't know
may only be present at the place, as indicated in the license
may be taken off the ship temporarily, only if suitable measures are taken for the prevention of the use of the mariphone
The call sign of a vessel is meant to:
provide the certificate holder with unique identification
be able to identify oneself
Don't know
gain a quicker transit at bridges and locks
The transmitting receiving method, when both stations can transmit and receive at the same time is called:
duplex
Don't know
semi-duplex
simplex
What is the most important factor influencing the VHF range?
the height of the antenna
the channel used
the type of message sent.
the size of the antenna
Which class of emission is used for MF radio telephony transmissions ?
F1B
J3E
F3E
G2B
Define the class of emission J3E :
Radiotelex and DSC - Phase modulation
Radiotelephony - Single sideband full carrier
Radiotelephony - Single sideband suppressed carrier
Radiotelex and DSC - Frequency shift keying of carrier with error correction
Intership VHF communications should normally be operated :
In G3E mode – on simplex basis
In J3E mode – on simplex basis
In G3E mode – on duplex basis
*A lifebuoy must have an inner diameter of:
not less than 400 mm
800 mm
400 mm
not less than 800 mm
Which one of the listed requirements regarding the use of an immersion suit do not correspond to present regulation? The suit shall permit the wearer to:
perform normal duties during abandonment
swim a short distance through the water and board a survival craft
climb up and down vertical ladders from the survival craft embarkation point to the water
jump from a height of 4.5m into the water without being injured or damaging the suit
*The biggest lifeboats on board ships may accommodate
up to 200 persons
up to 50 persons
up to 100 persons
up to 150 persons
Which of the following fittings shall be provided to all lifeboats:
an electric power starting system for the propulsion engine with one rechargeable energy source
a remotely operated steering arrangement
a boarding ladder that can be used at any entrance for persons in the water
permanent boarding arrangements on both sides to enable persons in the water to board the lifeboat
Which item among those below is included in the normal equipment of every lifeboat ?
sea-charts and navigating equipment
one immersion suit for each person
a VHF transceiver
a radar reflector or a radar transponder
Which of the following actions should be done before throwing this type of inflatable liferaft over the side?
Inflate it on deck and then launch it if clear below
Check that the painter is made fast to a secure point and that the sea below is clear
Take the top off the container to enable raft to inflate once in the water. If all clear, throw raft over side
Disconnect the painter and launch it, checking that all is clear below
*Give the meaning of the following symbol
Close rescue boat ventilation aperture
Secure hatches
Secure liferaft canopy closing device
Secure doors in the ship's side plating
What is the meaning of this symbol ?
Lifejacket
Child's lifejacket
Immersion suit
Lifebuoy
*Which of following items shall be included in an abandon ship drill?
a mock search and rescue of passengers trapped in their staterooms
Checking passenger's immersion suits
Checking the lifeboat provisions and supplies
Checking the distress signal rockets and other distress signals
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. The training manual shall contain detailed explanations of crew duties in relation to emergency situations. Which of the following tasks or duties shall be included in the manual according to present regulations?
The method of revival of casualties by MTM-method (mouth-to-mouth).
Boarding, launching and clearing of survival crafts (lifeboat/liferafts) and rescue crafts (MOB-boats).
Correct donning of fire protective clothing.
The use of oars and sails for survival crafts.
What kind of safety equipment should be in place in connection with a grinding wheel?
Welding mask.
Shield.
Goggles and shield.
Goggles.
Your vessel have been in collision and you are not sure if your vessel is sinking or not. How will you handle this situation?
Leave the vessel and stay not closer than 5 nautical miles.
Search for missing persons. Continue to monitor situation and prepare for abandonment in case it become necessary.
Wait and see how the situation is developing.
Make sure that the life boat has as much bunker as possible and make you course for nearest land.
What is understood by the term "take the helm"?
Change the place where the lookout is standing.
Take over heaving of a rope.
Take over the steering of the ship.
Take a message to another officer.
Which shipboard publication sets out calculations for cargo lashings?
The Cargo Securing Manual
Carriage of Safe Cargoes
SOLAS 74/78
The Cargo Stowage and Security (CSS) Code
Why is it necessary to have an effective ballast water management plan which includes provision for changing out ballast in open water rather than discharging ballast in coastal waters?
To allow ballast tank inspections to be carried out during ballast passage.
To keep the ballast water fresh in the ballast tanks during long voyages.
To avoid the introduction of non-indigenous species of marine life from one area to another.
To ensure that ballast tanks are always pressed up during a ballast voyage to avoid free surface effects.
The IMO Gas Codes require that all liquefied gas carrier cargo tanks are fitted with pressure relief valves. Pilot operated relief valves are frequently used, particularly with refrigerated cargoes. What is the main advantage of using pilot operated relief valves rather than simple spring loaded types for refrigerated liquefied gas cargoes tanks?
The set pressure can be adjusted to above MARVS if problems occur with the reliquefaction plant.
When pilot operated valves are used only one valve per cargo tank is required irrespective of tank size.
They ensure accurate operation at the very low cargo carriage pressures.
They ensure accurate operation at the very low cargo carriage temperatures.
Under which regulations would steel banding remaining in a cargo hold have to be discharged?
Port state regulations applicable at the port of departure
Port state regulations applicable at the port of destination
MARPOL 73/78 (Annex IV – Regulations for the prevention of pollution by sewage from ships)
MARPOL 73/78 (Annex V - Regulations for the prevention of pollution by garbage from ships)
Why did they order another tug?
Because the bow thrust was useless in the strong wind.
Because they wanted to make sure that the ship could be safely turned.
Because the mates always receive their instructions prior to berthing and they all felt that another tug was needed.
Because the ship was going to berth with port side to the terminal.
What is the meaning of the term “Range” of a transducer
The maximum output signal
The difference between possible maximum and minimum measurement
The maximum length of the connecting leads.
The type of measurement
On the figure 4 possible definitions of the term "LENGHT OVERALL" are given. Which one is the correct one?
Lenght overall is given by C on the figure
Lenght overall is given by B on the figure
Lenght overall is given by A on the figure
Lenght overall is given by D on the figure
What is the requirement with regard to Familiarisation on board?
During the first tenure, seafarers are responsible for asking at least a 100 questions to the Safety Officer.
Seafarers on board passenger vessels must as soon as possible learn the names of all persons working in the same department in order to ensure efficient daily operation.
Seafarers shall be familiarized with all life saving appliances and emergency exits in case any emergency situation occurs. It takes normally an hour to complete the Safety Familiarisation. The safety Officer is responsible.
Seafarers, on being assigned to any ship, shall be familiarized with their specific duties and with all ship arrangements, installations, equipment, procedures and ship characteristics that are relevant to their routine or emergency duties.
What is important to prepare prior to a helicopter operation?
To stop the vessel completely
Make sure all loose deck equipment at helicopter deck is stowed away and secured.
To increase the speed of the vessel
To light up the area for pick-up
When a large motor load suddenly is disconnected from the switchboard and the generator is AVR controlled, what will the ouutput voltage do ?
Remain approximately constant, due to governor action.
Initially rise, then reset to the set value.
Remain approximately constant, due to AVR action.
Initially fall, then reset to the set value.
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.
Which of these is addressed in the latest amendment (34-08) of the IMDG Code?
The classification of Marine Pollutants as environmentally hazardous substances
Mandatory training provisions
All
Marking requirements for Marine Pollutants
What will happen with the interface in the bowl, if the flow is too high?
The separation of the oil is bad.
The separation of the oil is good.
Will have no effect on the interface.
Broken water seal.
What is the meaning of the term "Steady as she goes" when acting as helmsman?
Reduce the number of helm movements used when steeriing a set course
Try to reduce the continuous swinging either side of the course when steering a compass course.
Keep the applied rudder constant until the next helm order.
While altering the ships head, the instruction "steady as she goes" means reduce the ships swing as rapidly as possible and steady on present course
When preparing a cargo tank on a liquefied gas carrier for loading cargo following inspection of the tank a number of different steps are required. What is the first step required after such an inspection?
Inerting.
Drying.
Gassing up.
Cooling down.
Depending on density or API, an error measurement of 0.1 degree Fahrenheit in a tank containing 50,000 cubic metres (314,491 barrels) of oil will result in which of the following volumes?
35 cubic metres (220 barrels).
25 cubic metres (157 barrels).
7 cubic metres (44 barrels).
16.5 cubic metres (104 barrels).
When will the Hague-Visby rules apply on a General Cargo vessel?
When animals are carried
When cargoes are carried on deck
When cargo is carried under a bill of lading
When a vessel operates under a charter party
Perishable cargo is usually stowed on wooden pallets. The pallets are designed for either two-way or four-way fork lift entry. From the point of view of use on a refrigerated vessel, choose the option which highlights the most important difference between these two types of pallet.
The four-way pallet uses less material.
The two-way pallet is more robust.
The two way pallet is easier to construct.
It does not matter which way around the four-way pallet is stowed.
Some process control systems may several inputs and controlled variables. In this context what is meant by split-range?
On-Off control
Several controllers are connected to the same control-valve
Several control-valves are connected to the same controller
Several control-loops for the same range
Where do you load dangerous goods?
Dangerous goods shall only be loaded in designated ares on the ro-ro deck
The driver of a tank lorry can decide where to park the vehicle
The officer in charge of loading can decide where to load dangerous goods if the number of vehicles and passengers are limited
As long as the ship is certified to carry dangerous goods there are no restrictions
Your ship is loading at a Single Point Mooring. You are the rating on duty. Which of the following areas will you monitor continuously throughout your watch?
Forcastle head / manifolds / maindeck
Pump room / engine room / Cargo Control Room
Accommodation ladder / Radio Station / Poopdeck
Bridge / Cargo Control Room / Poopdeck
Which of the hydrocarbon gases is the main one in LNG?
Butane.
Methane.
Ethane.
Propane.
You have just completed your tank cleaning programme for a set of tanks that previously contained Toluene. What will the main hazard be when you enter the tanks for mopping and inspection?
The lower part of the tank may still be wet and slippery. You may not be able to see this from the deck.
The atmosphere inside may contain insufficient oxygen to support life, or toxic vapours, or both.
There will commonly be insufficient natural light to safely descend the access ladder.
That there may hydrocarbons present on the bulkheads.
Which of the valve types given in the options is most likely to be used in the cargo loading lines of a liquefied gas carrier?
Screw down non-return valves.
Self closing flap valves.
Ball or butterfly valves.
Needle valves.
Which mooring lines are visible in this image?
The forward headline and breast rope are visible in the image
The forward back springs are visible in the image
The forward breast lines are visible in the image
The forward head lines are visible in the image
When 3 phase alternators are operating in parallel, it is very important that the reactive load is evenly shared so that the total alternator loads are evenly shared. If the total alternator load is the vector sum of active and reactive loads, which side of the vector diagram (power traingle) shown represents the reactive load?
Either (X) or (Y)
None of the mentioned alternatives
(X)
(Y)
Medium and high speed diesel engines used for marine propulsion normally require a reduction gearbox to be fitted in order to achieve suitable output speeds for the propeller. What device is normally required in the drive arrangement in order to avoid damage to the gearing due the torque variations of the diesel engine output?
A flywheel.
A moment compensator.
A flexible coupling.
A mechanical friction clutch.
What type of bomb search should you conduct to avoid panic when the credibility of the threat is in doubt and you don’t want to disrupt ship business?
Nominated officers search
External search team
Known hiding spot search
Crew search
Indicate the correct name for the part marked on the sketch:
Crankshaft
Piston rod
Connecting rod
Push rod
What is the purpose of "Glycol Water Heating"?
The system heats glycol water which is pumped around cofferdam system to maintain the temperature inside those spaces, when loaded, at approximately - 5 C.
The system heats glycol water which is pumped around cofferdam system to maintain the temperature inside those spaces, when loaded, at approximately +25 C.
The system heats glycol water which is pumped around cofferdam system to maintain the temperature inside those spaces, when loaded, at approximately +15 C.
The system heats glycol water which is pumped around cofferdam system to maintain the temperature inside those spaces, when loaded, at approximately +5 C.
When shall the engineer officer in charge of a watch be readily capable for operating the propulsion equipment?
When a hurricane may be expected.
When there are needs for changes in the ship's course.
When men are working aloft.
When the machinery spaces are in the manned condition.
There is an "industry standard" book, found on oil tankers, which explains all about oil cargo and cleaning operations and their associated hazards. What is it called?
The International Convention for the Prevention of Pollution from Ships (MARPOL).
The International Safety Management Code (ISM).
The International Safety Guide for Oil Tankers and Terminals (ISGOTT).
The United Nations Guidelines on Safe Ship Management (UNSSM).
Cargo hoses intended for liquefied gas carriers have to be prototyped tested before being approved. When new hoses of an already approved type are received onboard they also need to be pressure tested before being put into service. What are the IMO Gas Code requirements for such hoses before they are put into service?
Not less than 1.5 times the specified maximum working pressure or more than two fifths of bursting pressure at the expected cargo carriage temperature.
5 times the specified maximum working pressure at ambient temperature.
5 times the specified maximum working pressure at expected cargo carriage temperature.
Not less than 1.5 times the specified maximum working pressure or more than two fifths of bursting pressure at ambient temperature.
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
What precautions should be taken with Ro-Ro cargoes when crossing the oceans in winter?
Additional cargo lashings should be applied at the loadport
The ship should avoid areas of heavy weather
All of the alternatives
An engine room rating is assisting the duty engineer during a period of UMS operation. After completing the tasks they have been busy with the engineer and rating leave the engine room which is returned to UMS mode. The rating realises that an oil tank filling valve has been left open. What action should be taken?
Inform another crewmember that he is going back into the engine room to close the valve.
Inform the duty engineer immediately so that the engine room can be re-entered and the valve can be shut.
Just leave the valve open as it is unsafe to enter the engine room alone. The high alarm will sound to notify the engineer when the tank is full.
Re-enter the engine room straight away and shut the valve.
What distinguishes a "parcel" chemical tanker from other designs?
Such a vessel is fitted with interactive computerised gauging, pumping, valve control and alarm systems for each tank, enabling all data for a single cargo to be concentrated in a single computer display.
Such a vessel is automatically able to achieve segregation of hazardously reactive noxious liquid substances by its design alone.
Such a vessel is fitted with a highly accurate tank gauging system, enabling it to deliver multiple parcels to different receivers from within the same cargo tank.
Such a vessel has a higher number of relatively small capacity, independent cargo tanks, each with its own line and pump, enabling it to carry and deliver multiple grades simultaneously.
Why do we use nickel-alloyed steel, stainless steel or aluminium in cargo tank construction on gas carriers designed for LNG and LEG?
Because these metals have a very low thermal expantion coefficient and do not burst of extreme low temperatures
Because these metals cost less than other metal
Because these metals have a high thermal expansion coefficient and do not burst of extream low temperatures
Because the weight on this metals are not so high than other metals
The gyro compass can suffer from a compass error and may need to be allowed for, when steering a course in a dangerous navigational area. What is the probable cause of the error?
Compass Deviation
Variation
An uncorrected course and speed error.
Fluctuations in the electrical supply to the compass.
A pallet of chilled cargo is made up by placing cartons on top of each other in tiers. Banding straps are then placed tightly around the cartons in way of robust, vertical cardboard corner pieces. Which of the given options is the main purpose of having these corner pieces?
The colour of the corner pieces indicates the carriage temperature of the cargo on the pallet.
The corner pieces reduce chafing against adjacent pallets.
The corner pieces add rigidity and strength to the stow of cartons on the pallet.
The length of the corner pieces acts as a guide for the height of the pallet.
Which of the following cargoes must be maintained at the highest temperature when carried on a chemical tanker?
Acetic Acid.
Propylene Oxide.
Phenol.
Caustic Soda solution.
The pressure inlet to a pressure gauge is varied from zero to full scale and back to zero again. The output (indicating pressure) versus true pressure is shown in the diagr.The non - coincidence(mis - match) of loading and unloading curve is due to internal friction in the instrument. What do we call this phenomenon?
Dead band
Threshold
Hysteresis
Resolution
What is very important to monitor when distributing cargo?
Only bending moments
You should always ensure the ship has sufficient stabilty at all times. Cargo shall preferably be distributed evenly to avoid heavy list/ trim
Shear forces and bending moments
Only shear forces
Why should ro-ro passenger ships be subdivided into main vertical zones?
To comply with passenger safety, cargo safety and hull integrity training defined in the STCW convention
To comply with specific provisions for fire integrity defined by the Classification Society
To comply with specific provisions for fire integrity defined in SOLAS and to ensure safety of passengers and crew in case of a fire
To comply with company specific standards defined in the Safety Management System
If you observe 2 vehicles having an accident on car deck during loading, what should you do?
Call the police
Report immediately to the loading officer
Call the security officer
Call the captain
What do you understand by the term Maximum Continuous Rating, MCR, of a diesel engine?
The maximum load that the engine can operate at continuosly.
The maximum cylinder pressure that the engine can operate at continuously.
The maximum charge air pressure that the engine can operate at continuously.
The maximum speed that the engine can operate at continuously.
If a leak starts from a flange joint during cargo discharge, which of the following should you do?
Attempt to tighten the bolts on the flange. If the leak continues, place a container underneath the leak and ensure it is emptied into a slop tank or drum at regular intervals.
Attempt to tighten the bolts on the flange. Report the gasket as defective at the handover of the watch and leave a note in the Cargo Control Room to replace it at the end of discharge.
Report the leak to the Responsible Officer. Depending on the pipeline arrangement, stop the discharge, or isolate the section of pipeline concerned and releive the pressure inside the pipeline. Put on the appropriate personal protective clothing and equipment. Attempt to tighten the bolts on the flange. Resume discharge with caution. If the leak continues, stop the discharge and change the gasket. Clear any cargo spillage according to the applicable recovery procedure.
Attempt to tighten the bolts on the flange. Spread sawdust underneath the leak. Clear contaminated sawdust away at regular intervals and replace with fresh sawdust as necessary.
After main power is restored, a timed sequential restart of motor-driven auxiliaries is necessary to avoid:
Overvoltage due to current surges
Generator overload due to many motors starting at simultaneously
Overloading creating earth faults
Over-frequency due to overspeed of generator
What would you do immediately if you saw oil spilling from a bunker hose during cargo operations?
Stop the bunker operation
Look up instructions in the Shipboard Oil Pollution Emergency Plan (SOPEP)
Inform the duty officer
Inform the master
If the carriage of a new Noxious Liquid Substance not yet listed in the IBC Code is considered, this may be achieved through a "tri-partite" agreement. Who must this agreement be between?
The Port State of the Shipper / the Flag State of the Carrier / the Port State of the Receiver.
The Flag State of the Shipper / the Flag State of the Charterer / the Flag State of the Receiver.
The IMO / the Port State of the Shipper / the Port State of the Receiver.
The Shipper / the Receiver / the Operator or Charterer.
Most of the engine makers recommend to change the cylinder head gaskets each time a piston overhaul is carried out. Why?
To increase the consumption of parts so they can make more money
To be granted a proper sealing with a new gasket
To obtain a proper sealing and correct distance between piston and cover in TDC position
To avoid heat transfer to the cylinder head.
Which of the options given is the main reason for using a ring spanner to tighten the brass nuts on the cover studs of a pump casing?
The nuts can be tightened more with this type of spanner.
It will allow the nuts to be tightened correctly.
It will minimise the risk of slipping off the nut or damaging the nuts.
It can be adjusted to the exact size of the nut.
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.