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Головна Онлайн-тести CES Oil tanker Deck Support Test online CES 5.1 for Deck department, Support level, Oil tanker vessel
Онлайн-тестування: Test online CES 5.1 for Deck department, Support level, Oil tanker vessel
Виберіть режим роботи з тестом:
Навчання
Онлайн-тест
Опис
Тест складається із випадкових питань з обраної теми.
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On board they want to have a dial-phone call via Inmarsat with the Apollogracht. In the guides the following ID’s are found for the Apollogracht:344320000, 424432010, 424432020, 1300210, 36715. What ID should be chosen:
424432010
424432020
1300210
Don't know
Why are you only allowed to load maximum 98% of the tank capacity?
It is company policy.
Danger to vessel stability and strength.
Due to temperature expansion.
Danger of overloading.
A vessel engaged in fishing and a power driven deep draft vessel restricted in her ability to manoeuvre are crossing so as to prevent the risk of collision. Which vessel keeps out of the way of the other?
They should call on VHF to agree on the action to take
The fishing vessel keeps out of the way of the power driven vessel restricted in her ability to manoeuvre
Both keep out of the way of the other
The power driven vessel restricted in her ability to manoeuvre keeps out of the way of the fishing vessel
Your vessel is moving in Panama Canal waters. When must a regular engineer be on watch in the engine room?
At all times
When requested by the pilot
When the chief engineer is attending the engine room
Not necessary to be in the engine room if the unmanned engine room status is practiced and alarms have been checked
While navigating using a paper chart marked WGS84 the OOW plots the ships position by four different methods and they all give slightly different positions. Which of the following would be considered the most accurate.
Radar ranges from two radar destinctive headlands
GPS set on WGS84 datum
Bearing and distance from a navigation buoy close to the vessel
Gyro compass bearings from two lighthouses
What is the purpose of the « SQUELCH » on a VHF transmitter/receiver?
" reduce the ""noise"" in the background"
Increase the range of the transmitter
increase the sound signal of the receiver
switch to another channel
On board a ship, how many lifebuoys can you expect to be fitted with a self-igniting light ?
Half of the total number of lifebuoys provided on board
The two lifebuoys of the quick-release system and at least one other in the vicinity of the stern
The total number of lifebuoys provided on board
Only the two life buoys of the quick-release system
When should gangway nets be rigged?
When it is deemed necessary by the Master or the Chief Officer.
Whenever the gangway is rigged.
Whenever the gangway is regarded as unsafe.
Between sunset and sunrise.
If your chemical tanker is equipped with high velocity venting valves, at what minimum height above the weather deck or catwalk should they be installed?
2.5 metres
6 metres
3 metres
4.5 metres
Which electronic component does this graphical symbol represent?
Diode
Transistor
Silicon controlled rectifier
Tunnel diode
A bulk cargo vessel is found to be 4.0 centimetres over her maximum loadline draft after loading; what should be the actions of the master?
Record a lower draught and sail
There is not a problem as over loading is permitted
Order the pumping out of fresh water or ballast until the maximum allowed loadline is achieved.
Inform the port authorities and sail
What is the approximately boiling point of LNG at atmospheric pressure?
Approximately -160 C.
Approximately -170 C.
Approximately -140 C.
Approximately -150 C.
What is the minimum number of independently driven fire pumps that must be provided on passenger ships of 4000 tons gross tonnage and upwards?
5
2
4
3
Under the IMDG code what class is assigned to a Fumigated Container?
Class 8
Class 9
Class 5
Class 6
Metal particles are found on the magnetic element of the main turbine lubricating oil filter. Which of the options is the most likely source of these particles?
Damaged reduction gearing.
Damaged blades on turbine rotor.
Damaged rotor journal.
Damaged rotor bearing shell.
What is a digital signal?
A signal indicating Revolutions per minute (RPM)
A signal used by multimeters to measure resistance.
The reading of a multimeter when indicating voltage, current or resistance.
A signal with discrete levels such as 0 = "low" and 1 = "High"
The data logger on a reefer vessel normally records temperatures for air delivery, air return and cargo pulp. How would the air delivery and return temperatures be expected to vary during the first few days of carrying a cargo of citrus fruit which had not been pre-cooled before loading?
The difference between the two temperatures would steadily increase.
The difference between the two temperatures would remain constant.
The two temperatures would remain constant
The difference between the two temperatures would steadily reduce.
Boiler water tests on a low pressure steam boiler show the chloride content to be 50 ppm. What action should be taken if any?
Blow down the boiler and reduce the dosage of treatment chemicals.
Shut down the boiler and drain the water out before filling with fresh feed water.
No action is necessary.
Increase the dosage of treatment chemicals.dosage.
On a bulk carrier at the completion of loading and before closing hatch covers what must be done to track ways?
Track ways washed down
No sweeping required
Track ways swept and checked clear of obstructions
No specific checks
What is shown in the attached image?
The attached image shows derricks
The attached image shows deck cranes
The attached image shows grabs attached to deck cranes, during cargo opertions
The attached image shows grabs attached to derricks, for cargo opertions
What could be the reason if the lub oil viscosity increase?
High lub oil temperature.
The lub oil viscosity will not increase.
Water-leakage to the lub oil system.
Heavy fuel oil leakage to the lub oil system.
On a Container vessel, how should the first tier of under-deck containers be loaded onto a non cellular vessel?
Onto dunnage laid athwartships over the tank top
Directly onto the tank top
Onto dunnage laid directly under the containers' bottom rails
Onto dunnage laid fore and aft over the tank top
On a RoRo vessel, what is the Maximum Securing Load of reusable use wire ropes?
30% of the breaking strength
40% of the breaking strength
25% of the breaking strength
What is the main information we get from a Mollier diagram?
We get information about enthalpy, specific volume of vapour, liquid/vapour mixture, temperature of vapour when pressure is known and pressure in the cargo tank when liquid temperature is know.
We get information about enthalpy, specific volume of vapour, liquid/vapour mixture, temperature of vapour when pressure is known.
We get information about enthalpy, specific volume of the liquid and latent heat.
We get information about specific volume of vapour, liquid/vapour mixture, temperature.
There are strict rules governing the placement and category of electrical equipment allowed in certain areas of liquefied gas carriers. One such category is that of flameproof enclosures. What is a flameproof enclosure?
One in which the equipment has such low electrical power that there is insufficient energy to ignite a flammable mixture and cause a flame.
One which can withstand the pressure build-up during an internal ignition of a flammable mixture and is designed to cool any flames occurring within the enclosure to below the ignition temperature.
One which is filled with inert gas to prevent formation and possible ignition of a flammable mixture.
One which is maintained under positive pressure so preventing the formation of a flammable mixture.
When do vertical accelerations acting on containers reach their maximum values?
When a ship is changing direction at its extreme angle of pitch and roll simultaneously
During resonant rolling
When a ship surges
When a ship is changing direction at its extreme angle of pitch
How could you calculate the Stowage Factor of a cargo commodity after loading in a General Cargo vessel?
By dividing the volume of the space used by the tonnage of the commodity loaded
By dividing the gross tonnage of the space by the area of the commodity
By dividing the area of the space by the tonnage of the commodity
By dividing the gross tonnage of the space by the volume of the commodity
What do we mean with LEL when measure the atmosphere?
LEL is low level alarm
LEL is limit for level alarm
LEL is lowest temperature for ignitionLEL is limit for level alarm
LEL is lower explosive limit
A bulk vessel is loading to summer load draught of 10.00 metres; the present draught amidships are 9.96 metres port and 9.98 metres to starboard; The sinkage to maximum loading is?
The sinkage allowed is 30 centimetres ( 0.30 metres)
The vessel is overloaded
The vessel is already at maximum draught
The sinkage allowed is 3 centimetres ( 0.03 metres)
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.
Prior to arrival at a US port from a foreign port, the USCG requires:
24 hour notice of arrival
48 hours notice of arrival
96 hours notice of arrival
72 hours notice of arrival
The vessel is steaming off the coast when the engine room informs the bridge it must stop engines immediately. Shortly afterwards they informed the bridge they would need a least three hours to fix it. Which of the following actions would be the most suitable taken by the bridge?
Display the NUC signal, maintain the watch and determine how the ship is drifting and the probable position after three hours.
Display the NUC signal and keep a good lookout
Display the NUC signal, maintain the watch and ask the Engine room to be a quick as possible
Display the NUC signal, maintain the watch and wait for further developments.
What would rolling indicate, on a vessel loading logs on deck?
Increasing capsizing moments
The onset of synchronised rolling
An approaching angle of loll
Zero GM
A hazard is is a source of potential harm or damage or a situation with potential for harm or damage. Risk is determined based on evaluation of two elements. Which two elements?
The consequences of the hazardous event and the available personal protective equipment we have onboard
The likelihood that a hazard may occur and the consequences of the hazardous event
The likelihood that a hazard may occur and the available personal protective equipment we have onboard
The likelihood that a hazard may occur and the financial consequences for the Company
Which characteristic of chlorine makes it different to most of the other liquefied gas cargoes carried at sea?
Chlorine is lighter than air so the vapours will rise.
Chlorine is non-toxic.
Chlorine cannot be transported under pressure.
Chlorine is non-flammable.
If a patient is bleeding from nose
Put a piece of swab or gauze in the nose
Let the blood stop by itself
Pinch soft part of the nose for 10 minutes while keeping the head forward over a basin
Ask the patient to lie flat on the floor
When cargo discharge reaches stripping levels on an oil tanker, it is necessary to reduce the inert gas pressure. Why is this?
To avoid over-capacity in the IG generator.
To avoid locking the cargo pump impeller.
To minimise blowback.
To comply with MARPOL Annex VI.
Why should boiler sootblowers normally only be operated in the correct sequence?
To minimise loss of steam pressure
To ensure soot is cleared progressively from the bottom tubes to the top and toward the boiler uptakes.
To avoid excess stress in the boiler.
So that the operator does not forget which sootblowers have been used.
Which of the following could cause a “flareback”
opening air registers too quickly
trying to ignite burner from hot brickwork
oil pressure too high
oil temperature too high
On a Container vessel, what problem is associated with the use of twistlocks?
Freedom to slide when the vessel is rolling an pitching
Susceptibility to wear and tear
Fracturing during rolling and pitching in high seas
Left hand and right hand types exist, causing uncertainty whether a fitting is locked or open
When would the Chief Officer wish to consult the First Engineer?
The Chief Officer would wish to consult the First Engineer whenever a hydraulic tank need to be filled.
The Chief Officer would wish to consult the First Engineer on all matters related to pollution.
The Chief Officer would wish to consult the First Engineer when the cargo hold bilges are not emptying, despite the bilges being pumped out.
The Chief Officer would wish to consult the First Engineer when items of engine room machinery require maintenance.
What is the full title of the IMO code which applies to all gas carriers built after 1986?
The International Code for Ships Carrying Liquefied Gases in Bulk (the IGC code)
The Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (the GC Code)
The Code for Existing Ships Carrying Liquefied Gases in Bulk (the Existing Ship Code)
The International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (the IGC Code)
Which of these factors will NOT affect the necessary time needed to settle oil on top of the water in the sloptank?
The temperature in the sloptank
The weather conditions
The quality of the Crude Oil Washing performed during the last discharging
The density of the oil in the sloptank
How is the temperature of the high temperature circuit of a central cooling system normally controlled?
By controlling the bypass of flow for the central coolers.
By increasing the flow rate through the main engine cooling circuit
By controlling the flow through the fresh water evaporator heating circuit.
By mixing with water from the low temperature circuit.
How is overfilling of the cargo tanks on a liquefied gas carrier prevented?
The tank filling valves are automatically closed if the tank overfill sensor is actuated.
Each tank has a high level alarm. This will warn the Deck Officer to shut the tank filling valve.
There is a permanently open overflow line to a slop tank from each cargo tank.
The filling valves for all empty tanks are automatically opened if any individual tank's overfill sensor is actuated.
Which of the following oil products is particularly associated with the danger of contracting leukaemia through exposure to its vapours?
Benzene
Octene
Xylene
Toluene
Who is responsible for supervising stevedores during cargo operations?
The master
The duty officer
The chief officer
The stevedoring foreman
What is the value of GZ upto an angle of heel of 5 degrees?
GM x Sin angle of list
GM x Cosine angle of list
GM x Tan angle of list
GM / Sin angle of list
On a RoRo vessel, where is the best place to find information on loading ramp limitations?
In the stability booklet
In the company's safety instructions
In the loading ramp manual
The image shows an arrangement of electronic components which is often used for a particular reason. What is this type of ciruit usually called?
A zener barrier.
An amplifier
A rectifier
A measuring bridge
What term is applied to the arrangement by which liquid chemicals are stowed on board, so that potentially reactive chemicals are not placed in adjacent compartments?
Segregation.
Diversification.
Pre-stowage.
Separation.
A transformer overheats while taking a shore supply. Which is the likely cause?
Incorrect voltage
Incorrect current
Incorrect earthing
Incorrect frequency
How do container ships without hatch covers comply with the International Convention on Load line Rules?
An International Load Line Exemption certificate will be issued in accordance to Article 6.
A special movable deck is provided to ensure watertight integrity
There will always be hatch covers on ships to comply with the International Load line Rules
This type of container ship does not need to comply with the Load line Rules
What strength of lashing belts should be used to secure light motor vehicles on a RoRo vessel?
Breaking stress 1.5 to 1.8 tonnes
Breaking stress 2.0 to 2.3 tonnes
Breaking stress 1.2 to 1.5 tonnes
Breaking stress 4.5 to 5.0 tonnes
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).
Many conventional reefer vessels are built with wooden gratings that support the cargo above the steel deck of the vessel. These gratings are typically carried on 50mm x 100mm wooden bearers. From the options given, select the most important consideration in relation to these wooden bearers.
The bearers must all be placed running in the same direction in the hatch.
Only wood of the quality of the existing bearers should be used.
The bearers should, as far as practicable, be placed clear of the vent holes in the gratings.
Only knot free, straight wood should be used.
What special requirements applies to fire alarm signalling systems in passenger ships
Same requirements for Fire alarm systems applies to all ships
Remote control of fire doors and reactivation of ventilation
Centralized in a continuously manned control station with remote control of fire doors, Indication of open or closed fire doors
Fail safe, Centralized in a continuously manned control station, Remote control of fire doors, Indication of open or closed fire doors, Reactivation of ventilation, Detector status, Back up powered
What causes deterioration of a hatch cover hydraulic system?
Extremes of weather
Repeated hatch cover operations
Ice accretion on piston jackets
Dust and cargo particles around the piston seals
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 many lifejackets are required in a passenger cabin?
Twice the number of beds in the cabin
At least 2
None, they will be handed out at the muster station
Same number as beds in the cabin
TBN - total base number from a lube oil test, indicates the:
Amount of organic acids in the oil.
Amount of contaminants in the lubricating oil.
Alkalinity of the lubricating oil.
Flash point.
Where should fixed stacking cones be positioned?
On deck in non-cellular vessels
At the base of cell guides
Between containers in under-deck stowage locations
On the tank top in non-cellular vessels
What should be the status of the suction and discharge valves when starting a centrifugal pump?
Suction valve open and discharge valve closed
Suction valve closed and discharge valve open
Both valves open
Both valves closed
How would you prevent hot liquids spilling from pans in heavy weather?
Place absorbant cloths around the pans to catch any spillage.
Dry cook all food, do not use any water or fat.
Use tight fitting lids on the pans, secured with string.
Fit guard rails around the range and fill the pans to a lower level than usual.
What is the requirement to membranes on Independent Tank Type "A"?
No barrier required.
Complete secondary barrier.
Only primary barrier required.
Partial secondary barrier.
A 5V dc source has an internal impedance of 0.2 ohms. When a load of 2.3 ohms is applied what voltage will be measured at the source terminals?
4.8 V
4.6 V
5.0 V
5.2 V
For a container stowed in a position equidistant from the roll and pitch axes of a ship, what will quarter the acceleration forces acting on it?
Halving the pitch period
Doubling the pitch period
Halving the roll period
Doubling the roll period
If left-over cooked meat is to be re-used in another meal, which of the following precautions must be taken?
The meat must be fine chopped to ensure it re-heats to at least 70 degrees Celsius as quickly as possible; it must not be mixed with newly preared raw meat; the dish in which it is used must only be heated once.
The meat can be directly added to another dish and musdt be re-heated to the temperature required by the new recipe; it can then be re-heated for further servings provided it is refrigerated in between.
The cooked meat must have been refrigerated until required; it can be taken out, chopped and mixed thoroughly with newly cooked ingredients, to ensure it is adequately re-heated. If it cools before serving, it can be warmed through on a hot plate or under a heat lamp.
The meat must be sliced to a thickness of less than 5 mm to ensure it re-heats to at least 50 degrees Celsius during cooking; it can only be layered with other previously cooked ingredients; the dish in which it is used can be re-heated again, provided it is refrigerated between each serving.
What precaution must be taken when discharging crepe rubber?
There should not be bales outside a sling adhering to bales inside it
Derricks must not be used to discharge this cargo
Bales must not be dragged into the hatch square from the wings
Each bale must be discharged independently
Bananas form the largest proportion of fruit transported by sea. There are many varieties of banana. Which of the types given in the options is the most common type of banana that is transported by sea?
Mysore
Lady finger
Silk
Cavendish
What action should the Master of a General cargo vessel take with a fishmeal cargo, which is self-heating and liable to spontaneous combustion?
Follow guidance in IMO Bulk Cargo Code or IMSBC) and probably declare a port of refuge
Boundary cool only and continue on voyage
Open hatch covers to find source of fire
Fight fire with water
What is understood by the term "Dew point" of the air?
The temperature at which condensation in the air forms into water droplets.
The temperature of the water vapour in a cloud.
The "Dew Point" is the point at the centre of an Anticyclone
All of the suggested answers
What is class "A" division
Bulkhead constructed of steel, suitably stiffened and insulated so as to be able to meet a prescribed fire test of one hour duration
Bulkheads used to divide a vessel in different parts
Bulkhead used to divide a ship horizontally
Bulkhead to divide accommodation from the cargo spaces
If the A.C. line current in a generator stator is doubled, the heating effect in the stator windings will:
Quadruple
Double.
Remain about the same.
Half.
You are driving a crane and the signalman on deck gives this signal. What does it mean? (Hand signals as per the Code of Safe Working Practices for Merchant Seamen).
Lift the jib.
Start, or attention!
Hoist the load.
Danger, or emergency stop!
What would affect the proper functioning of a bridge fitting?
Pitting
A fully extended spindle
Lack of grease
Buckling
Under international regulations what must be ensured when discharging a bulk cargo?
The vessel must not be excessively trimmed
The method of unloading must not damage the ship's structure
The terminal representative must remain on board at all times
The stevedoring foreman must remain on board at all times
In a single side skin bulk carrier of 180m in length constructed in 2001 and carrying cargo of density 1,780 kg/m3, or above, which cargo hold is strengthened to withstand flooding?
The aftermost cargo hold
The ballast hold
The midships cargo hold
The foremost cargo hold
You are alongside, port side to, about to commence loading several grades of chemicals. The Duty Officer instructs you over the walkie-talkie to proceed to the port manifold and open the valve to 4 port line. When you get there, there is no hose connected to that line. What will you do?
Open the valve to 4 port line as instructed.
Report the situation back to the Duty Officer. Request clarification and confirmation of the instruction.
Take a look at the starboard manifold. There is a hose loop between 4 port and 4 starboard lines. Assume the Duty officer must have meant this side and open 4 port line on this manifold.
Although there is no hose connected to 4 port line, there is one connected to 3 port line. Assume the Duty Officer must have meant this line and open this valve instead.
During a walk around of a stow of refrigerated containers, one of the containers is noted to be quiet and has a red light showing on the control panel. Select, from the options given, the most likely cause of this condition.
The red light indicates that there is power to the container.
The red light indicates that an air change is in progress.
The red light indicates that there is a fault with the container's refrigeration unit.
The red light indicates that there is no power to the container.
This amplifier circuit is a common configuration used to amplify the difference in voltage between two input signals; in this case input 1 and 2. What is this amplifier called?
Push-pull amplifier
Differential amplifier
Common emitter amplifier
Darlington connection amplifier
In most colour coding systems for kitchen knives, what colour is used only for knives used in the preparation of raw fish?
Green.
Brown.
Red.
Blue.
Achieving a good air flow through the various cargo compartment of a reefer vessel is a principal design aim of a Naval Architect. Which of the options given represents the optimum cargo space shape?
A flared space that would be found in a forward upper deck.
A narrow tapered space as would be found in a forward lower deck.
A long oblong space as would be found in an after upper deck.
A square space as would be found in a midships lower deck.
In discussing the properties of oil cargoes, which of the following are examples of Aromatic Hydrocarbons?
Benzene, Toluene and Xylene.
Hydrogen Sulphide and Carbon Monoxide.
Carbon Dioxide and Hydrogen Peroxide.
Propane, Butane and Pentane.
Two reference points for pressure exist, absolute zero and atmospheric pressure. What do you call pressures measured relative to atmospheric pressure?
Absolute pressure
Gauge pressure
Atmospheric pressure
Pressure drop
Liquefied gas is, by IMO, divided into different groups. What is the criterion for this division?
The boiling point, chemical bindings, toxicity and flammability.
The gas pressure.
The nitrogen and hydrocarbon content.
The hydrate formation.
What is the greatest danger associated with the carriage of chemicals?
Leakage from the carrying receptacles
Outbreak of fire
Evaporation
Reaction with the carrying receptacles
What do we call the heat given to or given up from a substance?
The heat given to or given up from a substance is called heat energy
The heat given to or given up from a substance is called change heat
The heat given to or given up from a substance is called latent heat
The heat given to or given up from a substance is called fusion heat
As part of the decommissioning process for old reefer vessels they are sent to a recycling yard where any refrigerant remaining in the refrigeration system is dealt with. Which one of the actions given in the options needs to be carried out in preparation for delivery of a vessel to a recycling yard?
Discharge the gas to atmosphere prior to arrival to minimise handling costs at the recycling yard.
Make a careful note of the quantities of gas onboard and note this in the Ozone Depletion Record Book prior to discharging the gas into recovery bottles.
Make a careful note of the quantities of gas onboard and note this in the Ozone Depleting Record Book before discharging the gas to atmosphere.
Make a careful note of the quantities of gas onboard prior to arrival at the yard and note this in the Ozone Depleting Record Book.
On a Container vessel, to what would a fibreglass yacht be secured after lifting onboard?
The cradle
Flatrack
Yacht Bay
Pallet
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.