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Heim Online-Tests CES Dry cargo Deck Support Test online CES 5.1 for Deck department, Support level, Dry cargo vessel
Online-Test: Test online CES 5.1 for Deck department, Support level, Dry cargo vessel
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Der Test besteht aus zufälligen Fragen zu einem ausgewählten Thema.
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Give the command after ga+ for the transmission of a ‘store and forward’ –message withradio-telex:
sta…+
tlxstf
tlx..+
stf…+
A « OSC » is :
A SAR coordinating centre
The master of a ship who coordinates on scene search and rescue operations
A SAR sub centre
A coast station
The ship has a single fixed pitch right-handed propeller and is going astern as illustrated. What is the most likely way the ship will react in these circumstances?
The bow will "seek" the wind and the ship will swing to port
The stern will "back" into the wind and the ship's heading will swing to starboard.
The stern will fall off to starboard, making the heading swing to port.
The ship will go straight astern and the heading will remain approximately the same
Experience has shown that the most successful method of double banking (when no tugs used) is:
With the larger vessel stopped and drifting in the water, fig. 4.
With the smaller vessel at anchor, fig. 3.
With both vessels underway, fig. 1.
With the larger vessel at anchor, fig. 2.
When navigating using the GPS, how does the GPS display indicate when the accuracy of the displayed position is reduced?
The GPS display is always very accurate and does not give any indication of lack of accuracy.
A large Correction Factor is displayed on the screen
A large HDOP value is displayed on the screen
The GPS display flashes and sounds an alarm
To accommodate expansion of piping on the deck of a chemical tanker the following are fitted:
Flanges on the pipes at frequent intervals?
Extra strong pipes that can withstand the forces of expansion?
Natural bends at intervals?
Expansion glands?
From the statements given in the answer options, choose the one which is most accurate in relation to the operation of water-tube boiler and fire-tube boilers.
A watertube boiler can tolerate a short period of time without any water when the burner is operating.
A firetube boiler has a much better capability to work at higher steam pressure.
Water-tube boilers are more efficient and generally contain less water than fire tube boilers. They are prone to major damage when run dry during operation.
A firetube boiler does not require a non-return valve in the feedwater line.
You are the Officer on Watch on an oil tanker during a discharging operation. An alarm on the Inert Gas Plant indicates that no inert gas is being supplied to replace the discharging cargo. What will you do?
Continue discharging with the cargo pumps running at minimum speed.
Slow down and relieve the vacuum by opening the tanks lids.
Immediately stop the discharging.
Activate the inert fans and blow fresh air into the cargo tanks.
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
What is the purpose of the purge gas condenser fitted to some liquefied gas carrier reliquefaction plants?
It is used to condense all of the cargo vapours that have been used in purging a cargo tank.
It is used to generate the cargo vapours required for purging the cargo tanks.
It is used to condense out any nitrogen or inert gas that has collected in the main condenser.
It is used to condense out any cargo vapours which have passed through the main condenser with incondensable gases.
You have recently discharged a cargo of Isoprene and the tank has now been cleaned. There is still a strong smell of Isoprene vapour from deck. Can you save some time and use a mask fitted with an "Inorganic Gases and Vapours" filter to enter the tank for mopping and inspection?
No. Filter masks are not permitted for enclosed space entry where the oxygen content of the atmosphere may be insufficient to sustain life.
No. Entry into a tank which previously contained Isoprene requires the use of a filter for "Organic Gases and Vapours".
Yes.
Yes, provided mechanical ventilation continues whilst you are inside the tank.
How do You want to operate the purifier to obtain the best separation result?
By high flow and low temperature.
Flow and temperature have no influence on the result.
By high flow and high temperature.
Separation with correct temperature and low flow rate.
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 refractory linings in an oil fired steam boiler furnace?
To support the steam drum.
To ignite the burner during automatic operation.
To prevent excessive furnace heat losses and protect tubes and other fittings from overheating.
To give added strength to the furnace.
Why are crankcase heaters fitted to freon compressors?
To stop oil from thickening.
None of the mentioned alternatives.
To prevent freon condensing when the compressor is stopped.
To boil off any water.
Failed O-rings on a 2 stage air compressor cylinder liner have resulted in a water leak. Where is the leaking water most likely to go when the compressor is operating?
Into the LP cylinder.
Into the HP cylinder.
Into the intercooler.
Into the crankcase and mix with the lube oil.
The temperature of a refrigerated cargo is controlled by the temperature of the air being blown through the cargo hold which is often referred to as the DAT. What does the term DAT stand for?
Deviation Air Temperature.
Digital Air Temperature.
Delivered Atmosphere Temperature.
Delivery Air Temperature.
What arrangement may be installed in passenger ships to reduce unsymmetrical flooding in damaged condition?
Self acting ballast trimming arrangement
Separate trim tanks
Ballast trimming system
Cross flooding arrangement
According to the IMO Gas Codes, what is the minimum number of "Firemen’s outfits" required to be carried on an LNG carrier with a cargo capacity above 5,000 m3?
5 sets
3 sets
4 sets
2 sets
On a Container vessel, what do you call the corners of a container which house the twistlocks?
Corner fittings
Twistlock housing
Twistlock corners
Corner castings
What is the correct name of the part highlighted in the sketch?
Fuel injector
Air inlet valve
Exhaust valve
Air starting valve
What is the expected state of the refrigerant immediately before the expansion valve in a vapour - compression refrigeration system?
Vapour at high pressure.
Liquid at low pressure.
Liquid at high pressure.
Vapour at low pressure.
Why is it necessary to control the rate at which iron ore is loaded on a Bulk Carrier?
So that any moisture within the cargo is removed
So that the vessels draughts are kept within the limits imposed by the stability booklet
So that the vessel can manage with de-ballasting operations
So that the athwartship hatch coaming structure is not stressed
When an air compressor is going to be started it is important that the compressor is started with the "blow off" valves open. Why?
To ensure that the electric motor will not have a too low torque during start.
To ensure that we do not have any water assembly in the cylinders when the compressor start.
To be sure that all pressure valves in the HP line to the starting bottle are open.
To ensure that the compressor does not have any back pressure due to a leak suction valve in stage one.
What does MARVS mean on a cargo tank?
Maximum Allowed Relive Valve Setting.
Minimum Allowed Relive Valve Setting.
Maximum Recovery System.
Maximum ROB of Vapour.
Onboard training should be organised in such a way that:
none of the above
It is an integral part of the overall training plan
Each crew member is trained individually
It does not contravene with the rest hours of the crew
What is the minimum number of relief valves to be fitted to any cargo tank of greater than 20 cubic metres capacity?
Minimum two pressure relief valves in addition to MARVS.
At least two pressure relief valves.
Minimum one pressure relief valves.
The required number of pressure relief valves is dependent on the pressure.
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.
Who is responsible to ensure that all personnel on board are provided with suitable Personal Protective Equipment where it is needed?
The Company/ employer
The Head Department
The safety officer
The Master
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.
Under international regulations what must be frequently done during a cargo watch on a bulk carrier?
The number of stevedores working at each hatch must be recorded
The quantity of cargo loaded or discharged must be recorded
Weather conditions must be recorded
The vessel's draughts must be recorded
Two identical medium speed engines are connected through clutches and a reduction gearbox to a single controllable pitch propeller. It is noted during normal operation that the load sharing between the engines is uneven with one engine taking a greater proportion of the load as the total load increases even though they are equally loaded at low load. Select from the options given the most likely cause of this problem.
One of the engines is running faster than the other at high loads.
The fuel filters in the supply line for one of the engines are blocked
The governor droop settings are incorrectly set and are not matched.
The clutch on one engine is slipping.
A ship moving through heavy seas is affected by the water pressure at the bows causing an effect known as "Panting". What structure in the forward region of the ship combats the effects of Panting?
Double bottom tanks and floors
Centreline bulkhead
Collision bulkhead and deck
Panting beams and stringers
What cooling medium is normally used to cool the condenser of a fresh water generator?
Brine
Seawater
Distillate (Freshwater)
Air
All passenger ships are divided into vertical ’zones’. What is the purpose of this?
Vertical zones are separated with firedoors which will be closed automatically when the firealarm start.
All vertical zones are separated with waterthight doors, which will be closed in the case of a grounding, etc.
There is one fireteam in each zone
This is firezones which can be divided from eachother with firedoors. If a fire start in one zone, all firedoors in front and aft of the fire will be closed from the bridge to stop the smoke and fire from spreading.
How to distinguish a LNG carrier with prismatic tanks from an ordinary oil tanker?
The tanks of an LNG carrier protruding above the main deck.
The freeboard of an LNG carrier is significantly greater.
By its distinctive profile and much larger size.
By consulting the Gas Code.
What name is given to the knife used for cutting meat from a joint during service?
Carding knife.
Carping knife.
Paring knife.
Carving knife.
What is the main quencher for an oil tanker?
Powder.
Foam.
Water.
Carbonic acid.
In the figure is shown the direction of possible mooring lines from the stern of a vessel, when moored port side alongside a jetty. Which letter shows the direction which would be used by a "STERN LINE"?
The Stern Line is indicated by D, in the figure
The Stern Line is indicated by A, in the figure
The Stern Line is indicated by C, in the figure
The Stern Line is indicated by B, in the figure
Gas tankers are often fitted with fixed water spray system for fire protection purposes for deck areas, deck tanks, deck manifolds and pipelines. What is the minimum required flow rate of water per minute for horizontal and vertical surfaces to ensure adequate, uniform coverage of these areas?
100 litre/m2 per minute for horizontal surfaces and 50 litre/m2 per minute for vertical surfaces.
20 litre/m2 per minute for horizontal surfaces and 10 litre/m2 per minute for vertical surfaces.
10 litre/m2 per minute for horizontal surfaces and 4 litre/m2 per minute for vertical surfaces.
50 litre/m2 per minute for horizontal surfaces and 25 litre/m2 per minute for vertical surfaces.
When loading a General Cargo ship, what do logs, fishmeal, scrap metal and bales of cotton have in common?
They are all capable of causing oxygen depletion in the cargo holds
They are all liable to spontaneous combustion
Fires caused by these cargoes cannot be extinguished using carbon dioxide gas
They contribute to ship's sweat
Over a period of a few hours of operation the main diesel engine speed gradually falls off. From the options given what is the most likely cause of this fault?
Water in a cylinder.
Injection valve opening pressure is too low.
Governor linkage broken.
Fouling of turbocharger intake filters.
What is the main purpose of 'gassing up' the cargo tanks of an LNG carrier?
To ensure a uniform temperature in the cargo containment system prior to loading.
To remove IG tank atmosphere with warm cargo vapour prior to loading the cargo.
To avoid a pressure rise in the liquid dome during loading.
To bring the cargo containment system to a temperature which will prevent excessive boil off during loading.
Inert gas drawn from an in-line unit in the main or auxiliary boiler exhaust cannot normally be used in a chemical tanker carrying high-spec products. Why is this?
Because MARPOL severely restricts the cleaning to sea of tanks that have been inerted in this way, unless additional prewashing has first been carried out. This results in the generation of slops which reduce cargo carrying capacity and incurs disposal costs.
Because the gas drawn from such a source cannot be guaranteed to be below the Lower Explosive Limit.
Because the levels of hydrocarbons and suspended soot particles will have a significant negative impact on cargo quality and tank cleanliness.
Because connection between boiler exhaust systems and cargo containment arrangements is forbidden under the IBC Code.
In some reefer trades cargoes of chilled horse meat carcasses are stowed hanging from deckhead rails in refrigerated locker spaces. What position should the centre of gravity be assumed to be at when carrying out the stability calculations for a vessel with such a stow?
At the mid-height of the hanging carcasses.
At the deckhead of the lockers.
At the point indicated for the lockers in the approved stability handbook.
At the point indicated for the lockers in the approved stability handbook with an arbitrary adjustment to take account of the centre of mass of the hanging carcasses.
What is important to prepare prior to a helicopter operation?
To stop the vessel completely
To increase the speed of the vessel
To light up the area for pick-up
Make sure all loose deck equipment at helicopter deck is stowed away and secured.
Too high exhaust temperature in one cylinder becomes because of:
Nozzle ring of turbocharger fouled or partially choked.
Scavenge ports dirty.
Compression pressure too low.
Speed governor defective.
Before loading operation starts, what shall you as duty officer observe?
The hoistable decks in correct positions and stanchion-guard placed where needed?
The angle on the stern ramp in order?
Leave everything to the crew?
Physical checking the ramp/cargo holds/hoistable decks and see that everything are in order and the ship-s gear correctly located?
On a Container vessel, what should be done if a container with a damaged corner post is being loaded?
The container should be returned to shore immediately
A cargo damage report should be made for signing by stevedores
A log entry of the container number and stowage position should be made
A note should be made and the information handed over to the relieving watch keeper
The refrigeration system for the ships provisions consists of a number of cold rooms served by a central refrigeration system. The evaporator coils for the vegetable room are found to be frosting up even though the room is down to temperature and the liquid line valve has closed. Select, from the options given, the automatic control component which is likely to be malfunctioning and so cause this condition.
The low pressure cut out for the compressor.
Thermostatic expansion valve for the meat room.
Back pressure control valve.
The liquid line valve for the flour room.
Passenger ships have a normal requirement of 1 lifejacket per person + 10% for children. In addition to this, how many lifejackets have to be stowed in conspicuous places on deck or at the muster stations?
50% extra
10% extra
25% extra
5% extra
On a RoRo vessel, which of the following is likely to tip over in heavy weather?
Cargoes with low centres of gravity
Flatbed trailers
Vehicles
Cargoes with high centres of gravity
Which of the following can be considered to be two of the main requirements for a paint coating for a cargo space of a General Cargo Vessel?
Low odour and heat resistant
Easy to clean and dark in colour
Light reflective and compatible with edible cargoes
Corrosion resistant and heat resistant
What is the preferred method of accommodating expansion in cargo pipeline systems on gas carriers?
Use Viking Johnson expansion couplings.
Use sliding couplings.
Use expansion loops.
Use expansion bellows.
Which of the following precautions would you take to ensure that you do not collapse due to the presence of gas in a recently cleaned cargo tank?
Refer to the applicable Enclosed Space Entry Permit to verify that the tank has been tested as gas free and is marked as safe for entry. If in any doubt, request a new test.
Wear a filter mask, fitted with the cartridge appropriate for the last cargo carried in that tank.
Enter the tank but, if the fumes become too strong, complete your task and leave as quickly as possible.
Tell another watch keeper that you are going down into the tank, making sure he knows exactly which tank it is.
What is the main difference between a THERMOSTAT and a TEMPERATURE TRANSMITTER, if any?
There is no difference.
The temperature transmitter is a digital component while the thermostat is an analogue component.
The thermostat has one or more contacts (open or closed) depending on the temperature/setting. The temperature transmitter converts a temperature signal to an electric signal.
The thermostat gives out an analogue signal depending on the switch setting. The temperature transmitter gives out a binary signal depending on the temperature.
Which of the following fresh fruits should be used first?
Pears
Apples
Grapes
Oranges
What would you do if you were told that cargo on a flatrack has a tendency to deform or to compact during the voyage?
Slacken the cargo securing gear
Reject the cargo
Ensure that the cargo is secured as per shipper’s instructions
Accept the cargo as it is and clause the mate’s receipt accordingly
Methane and carbon monoxide levels must be measured regularly on voyage when carrying a bulk coal cargo; how is this done?
Measurements can be taken through sounding pipes
Each hatch coaming must be fitted with an approved sampling port
Gas measurements are taken by entering hold
Hatch cover can be partially opened to allow readings to be taken
A cable carries a current of 1500A at 660 Volts and has a voltage drop along it's length of 30volts. Assuming the cable insulation is good enough to work at High Voltage, what would be the voltage drop when supplying the same amount of power at 6600 Volts.
0.3 Volts
300 Volts
3 Volts
30 Volts
Why do cargo tanks on a chemical tanker commonly have their own individual pipelines and cargo pumps?
To permit faster loading and discharging rates.
To reduce the chances of cross contamination.
To simplify the piping layout.
To allow more dangerous cargoes to be carried.
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
What does ODME mean?
Oil Detecting - Master Evaluating.
Oil Discover Measure Equipment.
Over board Detecting Measure Equipment.
Oil Discharge Monitoring Equipment.
Where is "AFT", in the figure?
Aft is B, in the figure
Aft is D, in the figure
Aft is A, in the figure
Aft is C, in the figure
According to the IBC Code, the master of a chemical tanker must be supplied with a loading and stability information booklet. What must this booklet contain?
Summary details of light ship and fully loaded conditions and of a representative part-loaded condition, with examples of calculations of typical pre-departure stability conditions and an example of a damage stability calculation to enable the master to determine survival capability in the event of an emergency involving a breach of the hull.
Details of service and ballast conditions for loading based on the range of products which a vessel is certified to carry, incorporating the maximum permissible DWT, the maximum permissible SG of any product, the maximum permissible trim and any structural constraints that will impact a loading condition.
Certificates confirming the testing and calibration of tank gauging equipment, the ship's stability computer program and the accuracy of draft and loadline marks.
Details of typical service and ballast conditions, provisions for evaluating other conditions of loading and a summary of the ship's survival capabilities, together with sufficient information to enable the master to load and operate the ship in a safe and seaworthy manner.
What is the difference between a "VLCC" and a "ULCC"?
Tankers between 125,000 tonnes and 250,000 tonnes deadweight are classified as "VLCC"s while those above 250,000 tonnes are classified as "ULCC"s.
Tankers between 200,000 and 300,000 tonnes deadweight are classified as "VLCC"s while those above 300,000 tonnes are classified as "ULCC"s.
Tankers with a loaded draught of between 17.8 and 23.1 metres are classified as "ULCC"s, while those with a draught in excess of 23 metres are classified as "ULCC"s.
Large tankers that are able to pass through the Suez Canal are classified as "VLCC"s. Those which are too deep to transit the Canal are classified as "ULCC"s.
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.
On the figure 4 possible definitions of the term "UNDER KEEL CLEARANCE" are given. Which one is the correct one?
Under keel clearance is given by D on the figure
Under keel clearance is given by A on the figure
Under keel clearance is given by C on the figure
Under keel clearance is given by B on the figure
Which is the "STARBOARD QUARTER", in the figure?
The Starboard quarter is C, in the figure
The Starboard quarter is B, in the figure
The Starboard quarter is A, in the figure
The Starboard quarter is D, in the figure
A thermistor which provides feedback for a thermal control system is suspected to have failed. Assuming there is no available replacement, which of the following methods may be used to prove it has failed?
Connect a mV source in parallel with the thermocouple connections.
Connect a mA source in parallel with the thermocouple connections.
Disconnect the thermocouple lead from the conttroller and replace with a mA source.
Disconnect the thermocouple lead from the controller and replace with a mV source.
What are the main elements in a damage control plan?
A damage control plan is the same as an emergency plan
Boundaries of the watertight compartments for decks and holds. Position of controls for opening and closing of watertight compartments. Arrangement for correction of list due to flooding.
Instructions and procedures for reporting damage to the Company
Arrangements for correction of list due to flooding within 15 minutes
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.
During loading of palletised, chilled, perishable goods it starts to rain heavily in the port area. Some of the cargo pallets have been placed on the quay ready for loading. Select, from the options given, the best course of action to be taken to minimise any damage to the cargo.
Return the cargo to the cooling sheds until the rain ceases.
Shift the cargo to a position where there is overhead shelter.
Shift the cargo onto the deck and cover with a waterproof sheet.
Cover the cargo with a waterproof sheet.
Where will you find instructions on how reduce or control an oil spill during bunker operations on a General Cargo vessel?
In the company's safety manual
In the Shipboard Oil Pollution Emergency Plan (SOPEP)
In the oil record book
In SOLAS 74/88
What action should be taken by a rating on watch if steam is heard to be escaping from the area of the bottom water header handhole doors? The boiler is a high pressure boiler generating superheated steam.
Use the hand to have a feel around the area to try and locate the exact position of the leak.
Check the area where it is thought the leak may be using a cloth on the end of a broom handle.
Pass the information that there is a leak to the relief at the end of the watch.
Immediately inform the Officer of the Watch.
What is the minimum length of rubber insert when replacing a damaged section of the hatch cover seal?
250 mm
200 mm
275 mm
500 mm
What should you observe when patrolling public areas on board?
Drunk people
If all the fire extinguishers are in place and that fire doors are open
Stowaways
All abnormalities that may affect the safety/ security of passengers, crew and the ship
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.
Which person is qualified to carry out a five yearly thorough survey of cargo gear on a General Cargo vessel?
The master
A classification society surveyor
A deck officer designated by the master
A marine surveyor
Which is the "LENGTH OVERALL", in the figure?
Length Overall is indicated by C, in the figure
Length Overall is indicated by D, in the figure
Length Overall is indicated by B, in the figure
Length Overall is indicated by A, in the figure
When should bagged fishmeal not be rejected for loading?
When temperatures of the bags are around 25 degrees centigrade
When temperatures of the bags are 5 degrees above the ambient temperature
When bags are damaged
When bags are wet
On the figure there are four (4) possible definitions of the term "MIDSHIPS" given. Which one is the correct one?
Midships is given by C on the figure
Midships is given by A on the figure
Midships is given by B on the figure
Midships is given by D on the figure
Why is it impossible to have a lifeboat drill at present?
Because the crew will be busy heaving the anchor
Because the lifeboats are defect
Because the ship is leaving after sunset the following day
Because the anchor is damaged, and the ship is drifting away from its anchor zone
How do you find out your duties from the alarm instruction?
By entering the alarm instruction with your cabin number
Informed by the chief officer
The ship’s handbook
Given on the spot.
How much water per person is provided in a liferaft not equipped with a desalting apparatus?
2 litre
1.5 litre
5 litre
3 litre
What will you serve seafarers who has been exposed to cold?
Warm nutritious drinks.
Fruit and vegetables only.
Brandy, whiskey or other strong drinks.
Pork and fat fish.
What class of fire is a smouldering fire of wood, textiles, paper and other carbonaceous materials?
Class A
Class C
Class B
Class D
The ABC-rules are an important part of the First Aiders know how. What does the First Aid ABC-rules stands for?
Airway Breathing Circulation
Anything But Continuation
A Better Control
Adults Behind Children
Unconscious casualties who are breathing and whose hearts are beating should be placed in the Recovery Position. What is the Recovery Position?
As shown in figure 2.
As shown in figure 4.
As shown in figure 3.
As shown in figure 1.
Which one of the listed fire-extinguishing medium is most effective against an open oil fire?
Foam.
Gas.
Powder.
Water.
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