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Heim Online-Tests CES Oil tanker Deck Support Test online CES 5.1 for Deck department, Support level, Oil tanker vessel
Online-Test: Test online CES 5.1 for Deck department, Support level, Oil tanker vessel
Online-Test
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By a vessel in distress a SART is used. This SART is seen on the screen of a:
3 cm radar
3 and 10 cm radar
Don't know
10 cm radar
Which of the following hull shapes would normally provide a directionally stable ship?
A long ship with a wide beam
A short ship with a wide beam
A long ship with a narrow beam.
A short ship with a narrow beam
The usual range of a VHF radio-set from ship to ship at sea is:
2 Nautical Miles
200 Nautical Miles
10 Nautical Miles
20 Nautical Miles
Diodes are widely used in rectification, or the conversion of alternating current to direct current. The sinusoidal input voltage V(in) is applied to the circuit shown. Which of the output voltages is correct ?
Figure 1
Figure 4
Figure 3
Figure 2
When is a ro-ro vessel likely to pitch heavily?
When wave lengths are roughly equal to twice the ship’s length
When wave lengths are roughly half the ship’s length
When the seas are from astern
When wave lengths are roughly equal to the ship’s length
What precaution must be taken when painting on deck during cargo operations?
There must be an established means of communication between crew members and the duty officer
A spray gun not be used
Cargo hold fan inlets near paint areas must be closed
There must be an established means of communication between crew members and the bosun
At what temperature is it recommended that frozen fish is stored?
0degrees Celsius.
Between 1 and 4 degrees Celsius.
-2 degree Celsius.
-20 degrees Celsius.
The responsible person for maintaining budget on board normally is:
Chief Engineer
Chief Officer
Master
Chief Steward
On a Container vessel, when should a vessel's hatch pontoons not be lifted?
When the heel of the ship is excessive
When lighting conditions are poor
When the SWL of the gantry crane is not clearly marked
What is the purpose of the "Mud Box" on a tanker?
It is at the end of the pipeline in the tank and restricts any particles and solids entering the pipeline system.
It is the waste collection box in the store rooms.
It is the box near the windlass to deposit the mud from the anchor and anchor cables.
It is the box under the manifold to catch spills when connecting the discharge or loading hose.
Which is the lee side of a ship?
The lee side is the side facing the wind
The lee side is abaft the accommodation
The lee side is the side facing away from the wind
The lee side is forward of the accommodation
What is the definition of "vapour"?
It is the weight per unit volume in vacuum
A gas which the molecules escaping from the free surface.
A gas which vapours of different ingredients will exist independently.
A gas which can be liquefied at the temperature concerned.
Which of these is correct?
1tonne = 1000 kg
1tonne = 10 kg
1tonne = 100 kg
1tonne = 10,000 kg
On a General Cargo ship in the United States, what will be the consequences of a ship's failure to correct an unsafe stevedore working practice?
The duty officer will be arrested
The ship will be prosecuted
The port will lodge a protest against the ship
The master will be arrested
When discharging dirty ballast from an oil tanker at a high flow rate with main cargo pumps, the limiting factor on permitted overboard discharge is the instantaneous rate of discharge of oil. Which of the following formulae is used to calculate this rate?
Instantaneous rate of discharge (l/nm) = oil content (ppm) x flow rate (m3/h) / speed (knots) x 1,000
Instantaneous rate of discharge (l/nm) = oil content (ppm) x 1,000 / flow rate (l/h) x speed (knots)
Instantaneous rate of discharge (l/h) = oil content (ppm) x flow rate (l/h) / speed (knots) x 10,000
Instantaneous rate of discharge (ml/nm) = oil content (ml/nm) x flow rate (l/m) / speed (knots) x 100
The end covers for a heat exchanger are held in place by a number of brass studs and nuts. Which of the tools given in the options is best suited for removal and tightening of the nuts?
A set of mole grips.
Adjustable shifting spanner
Open ended spanner.
Ring spanner or socket.
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.
If all indications are that a cargo has been received without damages, irregularities or short shipment and the phrase "apparent good order and condition" are entered on the Bill of Lading, what type of Bill is this said to be?
A clean Billl of Lading.
An endorsed Bill of Lading.
A Due Title Bill of Lading.
A Bill of Lading completed for shipment.
What is the meaning of the abbreviation "SWL" as stamped on lifting gear around the ship?
Single Winch Load.
Safe Working Load.
Single Working Load.
Safe Winch Load.
Which IMO convention takes care of the human safety at sea?
It is the MARPOL that takes care of the human safety at sea.
There are not any conventions that take care of the human safety at sea.
It is the STCW that takes care of the human safety at sea.
It is the BCH Code that takes care of the human safety at sea.
You have discovered a small leak of oil at the manifold during discharging. What is you first action?
Do not bother.
Try to stop the leak.
Call the terminal.
Call immediately the person in charge.
What might safely be used to prevent a load swinging when lifted by a crane?
Personnel underneath the load, holding onto it and restricting its movement.
Guide or tag lines, tended from a safe location.
A cargo net.
Short, jerky movements on the ship's controls.
Which of the following is a summary of the features of a "controlled tank venting system" as may be found on a chemical tanker?
PV valves are fitted to limit the pressure or vacuum in the tank; no shut-off valves may be fitted either above or below the PV valves; provision may be made to by-pass the PV valves under certain operating conditions; such a system shall consist of a primary and secondary means of allowing full flow of vapour, except that the secondary system may be replaced by pressure sensors fitted within the tank.
The system permits vapour recovery via a collection manifold which may be connected to a shore reception facility.
PV valves are fitted to limit the pressure or vacuum within the tank; the PV valves shall be capable of being isolated or by-passed; the system shall be supplemented by pressure sensors within the cargo tank.
The system is fitted to a tank used for cargoes having a flash point not exceeding 60 degrees Celsius and is fitted with a device to prevent the passage of flame into the cargo tank.
A bulk cargo declaration shows that the iron ore to be loaded has an angle of repose of 45 degrees; what does this indicate?
The cargo pile is stable and unlikely to shift
The cargo may self-heat
The cargo pile will be very unstable
The cargo should not be accepted to load
If a casualty has no pulse, the first aider must immediately:
Do nothing as the patient is already dead
Raise an alarm for help
Start heart compression and artificial respiration
Inform the next of kin
Parallel sweep search in a co-ordinated manner is achieved when?
All facilities proceed with minimum safe speed
All facilities proceed with same speed
All facilities proceed with maximum safe speed
All facilities proceed with different speed
On a Container vessel, when will a hatch pontoon's quick-acting cleat need replacement?
When the rubber washer is compressed and hardened
When the cleat has sprung open at sea
When the cleat retainer is rusty
When the cleat retainer is distorted
What immediate actions should the Officer of the Watch take when the ship goes aground on an uncharted shoal in the middle of the ocean?
Stop engines and call the Master
Stop engines and tell the engine room to switch over to high suctions
Stop engines and immediately request "Full Astern"
Sound the General Alarm and plot the ships position
How is the size of a reefer vessel normally referenced?
By the Suez Canal tonnage.
By the cubic foot capacity.
By the pallet capacity.
By the grain capacity.
Which of the following detectors will you choose for detecting smoke from fire?
Thermocouple
Thermometer
Strain gauge
Ionization type
There are certain cargoes which are extremely sensitive to moisture in the atmosphere. How are they commonly protected when shipped on chemical tankers?
By heating the cargo above the temperature of the outside air.
By filling the tank with inert gas before loading.
By continuously ventilating the ullage space above the cargo in the tank.
By the application of a nitrogen blanket (pad) above the cargo in the tank.
For how long must you save the printouts from the ODME?
Until the end of the voyage.
3 years.
5 years.
3 months.
What special equipment can often provide assistance in locating a man overboard and in the water?
AIS
A RACON
A sectored search pattern
A SART
What cooling medium is normally used to cool the condenser of a fresh water generator?
Brine
Seawater
Distillate (Freshwater)
Air
Which IMO publication deals specifically with the construction and equipment of liquefied gas carriers?
The IMDG Code.
SOLAS.
MARPOL.
The IGC Code.
What does MARVS mean on a cargo tank?
We mean maximum allowed relieve valve setting.
We mean minimum allowed relieve valve setting.
We mean maximum ROB of vapour.
We mean maximum recovery system.
Which of the following is an oval-shaped, purple coloured vegetable, with white, spongy flesh, native to tropical Asia but popular today in Mediterranean cookery?
Asparagus (asperge)
Angelica (dang-gui)
Artichoke (carchofas)
Aubergine (brinjal)
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.
A piston rod retaining nut needs to be tightened during maintenance on the main engine. Which of the given methods should be used to ensure it does not come loose in service?
Tighten it 10% more than the manufacturer's recommendation using a torque wrench.
Tighten it to the manufacturer's recommendations using a torque wrench.
Tighten it as tight as possible using a spanner and extension pipe.
Tighten it as tight as possible using a flogging spanner and a hammer.
What is normally meant by the term 'flammable range' in relation to liquefied gas cargoes carried at sea?
It is the maximum distance from a flammable mixture of the gas that an ignition source could be to still cause the mixture to ignite.
Range between the minimum and maximum concentrations of gas in air which form a flammable mixture.
It is the minimum distance from a burning mixture that other objects or personnel need to be to avoid being burnt.
It is the vertical height that the flames of the burning gas would reach in still air.
One of the crossheads on a large, six cylinder, slow speed diesel engine has been severely damaged due to bearing failure. The connecting rod for the cylinder concerned is to be removed from the engine and the piston and damaged crosshead suspended in the engine so that it can be run on 5 cylinders. Which of the methods given in the options should be used to suspend the piston and crosshead?
Remove the cylinder cover and connect the piston (with crosshead attached) to the engine room crane and position the piston so that it covers the scavenge ports.
Raise the piston sufficiently high to allow the crosshead support pins/chains to be fitted and rest the crosshead on them (with piston attached and positioned above the scavenge ports)
Raise the piston (with crosshead attached) to just above the scavenge ports and insert pieces of wood through the ports to rest the piston on
Remove the cylinder cover and lift the piston until the crown and skirt are clear of the liner and place two bits of angle iron across the liner top to rest the piston on.
You have been tank-cleaning at sea and are about to arrive in port and go alongside the terminal for loading several grades of chemicals. Many of the lines (headers) have been open for drying and inspection, but will not be required for this particular operation. What should you do with them?
Fit and secure a blank flange to every line that is not required.
Leave the blank flanges off, but hang a label over each line that will not be required, stating "not to be used this port".
Leave the lines open, but tie-off (or otherwise secure) the manifold valves so that they can not be operated by accident.
Leave the lines open to prevent condensation building up inside.
How many lifejackets are required in a passenger cabin?
Twice the number of beds in the cabin
Same number as beds in the cabin
At least 2
Non, they will be handed out at the muster station
Who is normally deciding which search pattern to use?
SMC
OSC
CRS
SRU
What is the first line of defence against ingress of water into a bulk carrier?
Pipe outlets
The shell plating
Machinery spaces
Hatch covers
Maintenance of lifeboats and davit arrangements is routine work onboard. Why should you not carry out this type of work alone?
There might be a risk of falling even though harness and lifeline is used. A second person should always stand by to assist with tools etc. and other practical arrangements.
If you need something to drink, the second person can get it for you
It is boring to work alone and you should be able to chat with colleagues while working
If the person working on the lifeboat falls over board, the second person can lower the lifeboat and prepare pick-up immediately
What is the benefit of using prismatic Type "B" tanks?
The benefit of maximising ship hull volumetric and having the entire cargo tank placed beneath the main deck.
The tank is completely self-supported and do not form part of the ship's hull structure.
The hold space can be filled with dry air.
The secondary barrier form part of the ship's hull.
Your vessel is equipped with hydraulic submerged deep-well cargo pumps. You are approaching the end of discharge of a cargo of methanol in tank 3 port. Which of the following may be an indication that the tank is almost empty?
A progressive reduction in the noise coming from the cargo pump.
A distinctive surging noise from, and vibration observed on the cargo pump.
A sudden increase in the discharge rate.
A rise in temperature in the cargo discharge pipe adjacent to the pump stack.
During cargo tank gassing up and cooling down operations on an LNG carrier which of the given options, regarding temperature, needs to be observed?
Always control the vaporisers so that the temperature of methane vapour is lower than existing tank atmosphere temperature.
Never allow temperature of the insulation to fall below the safe minimum temperature.
Always control the outlet temperature of methane from the vaporiser.
Always control the temperature in the shore supply line.
What does heaving result in?
Shearing of container twistlocks
Vertical accelerations acting along container corner posts
Tipping of containers
Longitudinal accelerations acting on hatch pontoons
Which electronic component does this graphical symbol illustrate?
Field Effect Transistor
Diode
Silicon controlled rectifier
Bipolar transistor
In a heat exchanger where seawater is used to cool fresh water, the seawater pressure should be maintained lower than the freshwater pressure to:
Minimize the load on the seawater pump
Eliminate scaling problems on seawater side
Reduce erosion
Prevent contamination if leaks are developed
You are alongisde, 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?
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.
Open the valve to 4 port line as instructed.
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.
Report the situation back to the Duty Officer. Request clarification and confirmation of the instruction.
If a cargo leak occurs onboard a liquefied gas carrier it is likely that a 'white' vapour cloud will form. What makes the vapour cloud look white?
Condensation of nitrogen in the air.
Condensation of cargo vapour in the air.
Condensation of oxygen in the air.
Condensation of water vapour in the air.
What distinguishes vapour connections (headers) from liquid cargo connections on a ship's manifold?
Liquid and cargo connections actually appear the same, but the ship's personnel always attach a small board to the applicable flange, identifying the cargo to be loaded and indicating whether it is for the liquid or vapour hose.
Vapour connections are painted yellow with green end bands, are marked with the words "not for liquid" and have a small hole capable of receiving a stud on the flange face at the six o'clock position.
Liquid connections are always marked with the corresponding tank number, while vapour connections are marked with the letter "V".
Vapour connections are painted yellow with red end bands, are marked with the word "vapour" (or "vapor") and have a small stud located on the flange face at the twelve o'clock position.
What is done at a five yearly thorough inspection of lifting plant on a General Cargo vessel?
Derricks are tested
Lifting plant is proof load tested and all parts thoroughly examined
Deck cranes are tested
Deck cranes are tested and their parts thoroughly examined
How should structural steel products be supported in a cargo hold?
Fore and aft dunnage spaced 3m apart provided in a vertically straight line at every tier
Athwartships dunnage spaced 1.5m apart provided in a vertically straight line at every tier
Athwartships dunnage spaced 3m apart provided in a vertically straight line at every tier
Fore and aft dunnage spaced 1.5m apart provided in a vertically straight line at every tier
With regard to the characteristics of a mafi trailer what must be ensured prior to unfastening this unit on board a ro-ro vessel?
That the cargo details have been checked
That there is sufficient room for it to be driven away
That cargo on the trailer is not damaged
That after unfastening it will not move
What can be the punishment for a subordinate who unlawfully brings intoxicating beverages on board?
He shall be liable to fines or in especially aggravating circumstances to imprisonment for a term not exceeding 6 months.
He shall be liable to imprisonment for a term not exceeding three months.
He shall be liable to fines.
He shall be liable to fines or in especially aggravating circumstances to imprisonment for a term not exceeding three months.
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
Which of the International Maritime Organisation (IMO) Codes contains information regarding the Construction and Equipment of Ships carrying Liquefied Gas in Bulk?
In the IBC Code.
In the IGC Code.
In the IMSBC Code.
In the IMDG Code.
What is the advantage of a transmitter with a narrow measurement range?
Do not need any calibration
Easy installation
Lower purchase cost
Better linearity and increased accuracy
When a blackout occurs: what should be your first reaction?
Investigate the cause of the blackout
Inform the Chief Engineer
Inform the bridge about the reason for blackout, and expected time to restart.
Cancel audible alarms
Medium and high speed diesel engines used for electrical generation duties on board ship have overspeed protection devices fitted to protect the engine in case the electrical generator trips while carrying high loads. Why are these devices necessary?
To stop the engine before any serious damage occurs due to excess inertial loads.
To stop the engine before any serious damage occurs to the electrical components due to excess voltage and frequency.
To stop the engine before any serious damage occurs due to rapidly changing thermal loads.
To stop the engine before any serious damage occurs due to rapidly changing cylinder pressures.
A large post Panamax container vessel is sailing during the winter months. In which sea areas is she most likely to encounter conditions which could cause a parametric roll?
The North Pacific.
The South China Sea.
The Indian Ocean.
The North Sea.
Which of the following is a form of food poisoning?
Diabetes.
Salmonella.
Rhinitis.
Chronic dyspraxia.
What documentation allows a General Cargo Vessel to load dangerous package goods?
Safety Construction Certificate
Document of Authorisation for the carriage of bulk grain
Document of Compliance for carriage of dangerous goods
SOLAS Safety Equipment Certificate
A positive displacement type flow meter is defective and cannot be repaired. It is to be replaced with a new instrument which uses a Venturi type sensor. Which of the pneumatic relays given in the options will be required in order for this type of instrument to function correctly?
Multiplier relay.
Summation relay.
Square root extractor relay.
Subtraction relay.
Which statement is correct for a fire door class "A-60"?
It is a requirement to keep class "A-60" fire doors closed for minimum 60 minutes
Class "A-60" fire doors shall be capable of preventing the passage of flame for minimum 60 minutes
Class "A-60" fire doors shall prevent the passage of smoke and flame and the average temperature of the unexposed side shall not rise more than 180
Class "A-60" fire doors must be closed within 60 seconds
You have just finished loading a cargo of Methyl Isobutyl Kentone. What must happen before the shore hose can be disconnected?
The drip-tray must be half-filled with fresh water.
All possible cargo residues in the line must be drained or cleared and any pressure relieved. The manifold valve and shore valve must be confirmed as closed.
Any pressure remaining in the hose must be relieved by rapidly slacking off the bolts on the connecting flange.
Any cargo residues in the line must be drained to the drip-tray. The manifold valve on the ship must be open to allow maximum drainage and only closed after the hose has been removed.
What kind of pumps are used as main discharge pumps on gas carriers as cargo pumps?
On gas carriers multistage submerged pumps are used as main cargo pumps.
On gas carriers multistage deep well pumps are used as main cargo pumps.
On gas carriers multistage deep well or submerged pumps are used as main cargo pumps.
On gas carriers multistage booster and single stage deep well pumps are used as main cargo pumps
The peak pressure (maximum cylinder pressure) is often taken as an indicator of medium speed engine performance along with other parameters. What would be a typical peak pressure for a modern, highly rated, medium speed diesel engine?
140 to 180 bar
10 to 12 bar
80 to 100 bar
14 to 18 bar
In a two stage compressor you will find pistons with different diameters (one is bigger than the other).Which one of the following statements is correct ?
The smallest diameter piston is the stage two piston
A big piston will give less oil content in the air.
A big piston will deliver dryer air into stage one.
The biggest diameter piston is the stage two piston.
On a conventional reefer vessel is possible to ventilate the cargo spaces with fresh air using fans and trunkings. One of the reasons for using fresh air ventilation is to control the relative humidity within the cargo space. Select the option which best completes the following statement. "It is beneficial to be able to control the relative humidity within the cargo space because fruit cargoes should be kept…
…relatively moist to avoid the cargo dehydrating during the passage."
… relatively dry to avoid the formation of fungus in the vent trunkings during the passage."
…relatively dry to avoid deterioration of the packaging during the passage."
... as dry as possible to avoid build up of mould during the passage."
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 ingredient, made from durum wheat, is commonly used as an alternative to rice with north-African dishes?
Bulgar wheat.
Couscous.
Soya.
Semolina.
A unit of alcohol is equal to which of the following measures?
A half pint (284 ml) of lager / light beer or a small glass (125 ml) of wine
A pint (568 ml) of lager / light beer or a large glass (275 ml) of wine
A large glass (275 ml) of wine or a measure (30 ml) of spirit
A measure (30 ml) of spirit, if taken with a glass of water
Liquefied gas is, by IMO, divided in to different groups. What is the criterion for this division?
The hydrate formation.
The boiling point, chemical bindings, toxicity and flammability.
The nitrogen and other hydrocarbon containment.
The gas pressure.
Why is grain bundled?
To prevent it from wetting
To prevent bulk grain from shifting
To aid stability
To compact the cargo
What type of component does this graphical symbol illustrate?
Pressure-reducing regulator.
Pressure relief valve
Flow controller
Pressure switch
What are the immediate duties of the bridge Officer of the Watch when the ship suddenly runs into a fog bank?
Commence sounding the fog signal and reduce speed to Slow Ahead
Commence sounding the fog signal and call the Master and wait for him to arrive before taking any further actions
Commence sounding the fog signal and if the radar indicates no echoes in the vicinity, proceed at the normal speed until ships are detected on the radar or until the fog lifts
Commence sounding the fog signal, engines on standby, call the Master and lookout, if not already on duty
What will a cadet find in the maintenance manual?
A Cadet will find machinery spare parts in the maintenance manual
A Cadet will find a lubricating chart in the maintenance manual
A Cadet will find grease nipples in the maintenance manual
A Cadet will find grease in the maintenance manual
Why should trousers worn in the galley be full length, but loose fitting?
Because ventilation will lessen the chance of cramp in the lower legs.
Because keeping the lower legs uncovered will lessen the chance of heat rash.
To lessen the chance of scalding, if a hot liquid is spilled.
Because it is the style adopted by all marine cooks.
In conjunction with which two sets of international regulations should the IMDG Code be read for security purposes?
Part B of the ISPS Code and Chapter II of the Maritime Transport and Offshore Facilties Act.
IMO NVIC 24 and 46 CFR 2.05
Chapter V of SOLAS and Annex II of MARPOL.
Chapter XI-2 of SOLAS and Part A of the ISPS Code.
Which type temperature sensors are shown on this picture?
Thermistor type PTC
Thermocouple sensors
Resistance sensors
Thermistors type NTC
One of the Main Engine cooling pumps is down for maintenance. The rest of the cooling pumps are operating near full capacity with minimum margins on the maximum temperature limit. What should be the correct action to take with regard to UMS operation?
Operate the engine room on manual mode until the maintenance is completed and the cooling pump is operational and switched to stand-by mode.
Arrange frequent checks of the condition during the night otherwise operate in normal UMS-mode
Arrange with a rating "on watch" in the engine room for the UMS period.
Hope that the alarm function and automatic temperature regulation will function correctly and switch to UMS-mode as normal
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
How does a cement carrier discharge its cargo?
Using its own pumping system and equipment
By suction
Using shore side cargo gear
Using grabs
With reference to General Cargo vessels, which of the following statements is correct?
Hot rolled steel coils are always shipped in stainless steel envelopes
Hot rolled steel coils must not be loaded in a rusty condition
Hot rolled steel coils can be loaded in heavy rain
Hot rolled steel coils must not be exposed to salt water contamination
On the figure there are four (4) possible directions, shown by the arrowed lines, which could be the correct direction associated with the term "HEAD LINE". Which one is the correct one?
Head line is given by D on the figure
Head line is given by C on the figure
Head line is given by A on the figure
Head line is given by B on the figure
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