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Главная Онлайн-тесты CES Gas tanker Deck Support Онлайн-тест CES 5.1 для Deck department, Support level, Gas tanker vessel
Онлайн-тестирование: Онлайн-тест CES 5.1 для Deck department, Support level, Gas tanker vessel
Онлайн-тест
Описание
Тест состоит из случайных вопросов по выбранной теме.
Вопрос 1 из 90
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You are at the mainfold with the cargo surveyor, drawing samples at the start-up of cargo. A sample of 2-Ethyl Hexanol is off colour. The surveyor instructs you to open the manifold valve and start loading. What will you do?
Tip the sample into the drip tray and draw more samples until it clears. A maximum of ten litres may be drawn and dumped before it is considered a problem.
Open the manifold valve as requested but make a note in the log-book regarding the off-colour sample.
Keep the manifoild closed, report the situation to the Chief Officer.
Open the necessary tank loading valves and then open the manifold valve. With this product, the colour will soon clear.
What would be the correct definition of the term "Squat"?
Squat is the reduction of underkeel clearance due to increase of water flow under the keel and an increase in the water pressure
Squat is the reduction of underkeel clearance of a ship when it moves through shallow water due to a reduction in water pressure.
Squat is the loss of effectiveness of the rudder and propeller as a ship moves through shallow water due to the reduction of water pressure.
Squat is the reduction of underkeel clearance and the possible change of trim of a ship when it moves through shallow water due to a reduction in water pressure.
You are sailing in shallow water with 15% Under Keel Clearance. Coming full astern from full ahead, how will your changed course compare to deep water?
Large change at first, then changing slightly
The heading will most likely change by a large amount
The heading will not change at all
The heading will change only slightly
When a ship is steaming along a course line, what is the importance of determining the set and rate of drift due to wind and current?
All of the suggested answers
To appreciate the possible extent of drift and dangers in the event of engine failure
To determine the time required to reach the next alteration of course point.
To determine the correction required to the course steered to maintain the planned passage.
The grabline of a lifebuoy has a length of:
5 times the outer diameter of the lifebuoy
4 times the outer diameter of the lifebuoy
2 times the outer diameter of the lifebuoy
3 times the outer diameter of the lifebuoy
On a RoRo vessel, when loading Double Stacked containers on Maffi Trailers how many twist locks should have used between the 2 containers
three in total 2 at the door end 1 at the opposite end
One at each end 2 in total
One on every corner 4 in total
What should be clearly marked on the cowl ventilators of a General Cargo Vessel?
A serial number
The date when last painted
The Open and Closed positions with the last date of testing
The last internal inspection date
What would be a typical set point for emergency shut down of a large slow speed diesel engine due to "lubricating oil inlet to camshaft" low pressure?
0.1 bar
5 bar
0.4 bar
1.5 bar
Why should iron ore not be dropped from a great height into a cargo hold of a Bulk Carrier?
Because the shell plating can indirectly become damaged
Because cracks can develop around the hatch coamings
Because the tank top and double bottom internals can sustain damages
In order to maintain the ships stresses within acceptable levels
The boiler water tests show a high and increasing level of chlorides in the boiler water. What is the most likely cause of this problem?
Sea water leakage from the condenser.
Insufficient dosage of treatment chemicals.
Excess dosage of treatment chemicals.
Sea water leaking back through blowdown valves.
What are the required data inputs into most gyro compasses to reduce any possible compass error?
All of the data in the suggested answers
Latitude and Speed
Maximum helm angle and rolling period
Deviation and Variation
How should cargo hold ventilation be carried out on a Ro-Ro vessel loading or discharging cargoes?
By natural ventilation
With the ventilation fans set to ‘supply'
With the ventilation fans set to ‘exhaust'
With ventilation fans set alternately to ‘supply' and ‘exhaust'
What hazards are associated with the carriage of wood pellets in bulk?
Spontaneous combustion and self-heating
Possible dust explosion due to excessive ventilation
Oxygen depletion and generation of carbon monoxide in cargo and communicating spaces
Possible liquefaction of cargo, en route
What is the safe time for operating the crankcase door when oil mist alarm is activated and the engine has been stopped?
After 20 minutes
After 1 minute
After 10 minutes
After 5 minutes
Under U.S. Occupational Safety and Health Administration (OSHA) regulations when is a Vertical Tandem Lift possible?
When two intermodal containers one on top of the other are connected by semi-automatic twistlocks
When three intermodal containers in a stack are connected by fully-automatic twistlocks
When two intermodal containers one on top of the other are connected by fully-automatic twistlocks
When three intermodal containers in a stack are connected by semi-automatic twistlocks
Your vessel is a tanker, discharging to a facility where the storage tanks are up on a hill behind the quay. You have a problem with your hydraulic plant and the system shuts down. What must be done with the manifold and why?
The valve must be checked as still open, so that once power is restored, discharge will resume and there will be no opressure build-up in the ship's pipelines.
The valve must be checked for free and proper operation, as it may have been damaged by a pressure shock when the system stopped.
The valve must be shut to avoid backflow due to the head of pressure from shore.
A watchman must be detailed to stand by it, to receive instructions from shore.
Why does a ship move laterally (sideward drift) when turning.
The ship moves sidewards because of all the external forces on the vessels hull.
Because the pivot point is not at the centre of the ship
Because the turning moment is created by the rudder, which is positioned at the stern of the vessel
The ship moves laterally because it always tries to continue in a straight line.
On a RoRo vessel, which of the ships trading certificates details the type and location that dangerous goods are allowed to be stowed onboard
The Cargo Ship Safety construction certificate
Safety Equipment certificate
Certificate of compliance for the carriage of Dangerous goods
Which of the following is typical for a feed-forward control system
We are controlling the process inlet side
The process is always oscillating
We can calculate the system response mathematically
It is easy to obtain a perfect control
What is the most important treatment concerning a foreign body in the eye?
Wring the eye-lid to prevent blinking
Local anaesthetic
Rinsing of the eye with water
Keep the eye closed
Can containers carried on multi-purpose or general cargo ships be lashed with lashing wires and chains?
Yes, if provided for in the vessel’s Cargo Securing Manual (CSM)
Yes, always
No
Yes, together with dedicated container lashing equipment
How many hours before departure should the ship's steering gear be checked and tested?
Within 12 hours
Within 96 hours
Within 1 hour
Within 48 hours
If normal cool down rate has been complied with, what should the temperature at the primary insulation and the secondary barrier be?
-120C and -100C.
-100C and -80C.
-130C and -120C.
-140C and -130C.
Which of these statements about drug smugglers modes of operating is true?
An organized conspiracy usually smuggles a small amount of drugs.
"Drugs smuggled by an organized conspiracy are usually concealed in a primary ship system such as the engine room or in a tank, void or compartment."
Individual entrepreneurs usually smuggle large quantities of drugs.
Drugs hidden by individual entrepreneurs are usually difficult to detect.
What initial simple action can be taken to reduce the oxygen content of boiler water?
Increase the blowdown.
Increase the boiler pressure.
Raise the feed water temperature.
Lower the feed water temperature.
Great care must be taken when manually parralling two or more alternators. At which point would you engage the main circuit breaker of the incoming alternator when paralleling two alternators?
With the pointer of the synchroscope stopped at 0 (12 O'clock) or both synchronising lights bright
With the pointer of the synchronizer stopped at any position and both synchronizing lamps bright (on)
With the pointer of the synchronoscope rotating fast and both synchronizing lamps flashing on and off
With the pointer of the synchronoscope moving slowly clockwise and almost at 0° (12 O'clock) or both synchronizing lamps dark (off)
Modern slow speed, two stroke diesel engines often have locating pins or pegs to keep the piston rings in a fixed position. Why is this arrangement used?
It ensures the rings cannot be mixed up and that they are fitted in the correct order on the piston.
It avoids the risk of the ends of the piston rings being forced out by the gas pressure and catching on the scavenge ports.
The piston ring gaps can be kept in line to control the gas pressure on each of the rings.
The piston rings are more difficult to lubricate because of the slow operating speeds and will wear more quickly if they are allowed to rotate.
The fuel injection timing of a diesel engine is delayed causing high cylinder exhaust gas temperatures. What is the likely effect of this condition on turbocharger operation?
Continuous surging of the turbocharger
Vibration of the turbocharger.
Decreased turbocharger revolutions
Increased turbocharger revolutions
What is the correct definition of: -boat drill?
Training in lifeboat handling.
To drill all boats.
To secure the boats.
To launch the boats.
A routine inspection of a hold space on a liquefied gas carrier is necessary. Checks of the atmosphere indicate that there is only 19.5% oxygen content. Which of the following actions is recommended?
Postpone the inspection and continue ventilating until an oxygen reading of 21% is achieved.
Carry on with the inspection as normal since 19.5% oxygen content is sufficient for breathing.
Ensure all persons entering the space for the inspection wear self contained breathing apparatus.
Ensure the inspection is carried out quickly in case the oxygen content reduces any further.
Emergency instructions in appropriate languages shall be posted in passenger cabins. What information shall as a minimum be included in the emergency instructions?
Name of cabin attendant
Escape routes and alarm signals
The method of donning life-jackets, escape routes and alarm signals
Where to find thermal protective aids
Which of the following is a summary of the tank cleaning requirements for a category "X" substance on a chemical tanker constructed after 1st January 2007?
Strip to 75 litres / 12 miles from land / 25 metres of water / minimum 7 knots, proceeding en route.
Prewash for solidifying or high viscosity substances / strip to 75 litres / 12 miles from land / 25 metres of water / minimum 7 knots, proceeding en route.
Prewash / strip to 75 litres / 12 miles from land / 25 metres of water / minimum 7 knots, proceeding en route.
Prewash / strip to 100 litres / 12 miles from land / 25 metres of water / minimum 7 knots, proceeding en route.
On the figure 4 possible definitions of the term "BOW/STEM" are given. Which one is the correct one?
Bow/stem is given by B on the figure
Bow/stem is given by A on the figure
Bow/stem is given by D on the figure
Bow/stem is given by C on the figure
Which of these tasks are performed as part of the SSA?
Implement measures to address weaknesses in ship security.
Train shipboard personnel in their security duties.
Assess the likelihood and potential consequences of security incidents.
Assign security duties to ship personnel.
On the figure there are four (4) possible definitions of the term "AIR DRAUGHT" given. Which one is the correct one?
Air draught is given by B on the figure
Air draught is given by A on the figure
Air draught is given by D on the figure
Air draught is given by C on the figure
Is there any requirements regarding double bottom for large passenger ships?
Yes, in ships of 76 m in length and longer, a double bottom shall be fitted amidships, and extend to the fore and aft not less that ? of the ship length.
No, a double bottom is not required
Yes, in ship of 76 m in length and upwards, a double bottom shall be fitted amidships, and shall extend to the fore and after peak bulkheads, or as near thereto as practicable.
Yes, a double bottom shall be fitted amidship
What weakens a turnbuckle?
Pitting
A bent locking nut
A fully extended spindle
Lack of grease
Once a vehicle has been stowed on board what should duty crew members ensure?
That the duty officer is notified of the vehicle’s position
That a photograph is taken of any damages
That the vehicle is lashed immediately
That there is no sign of tampering with internal accessories
According to the industry guidelines in the ISGOTT Guide and assuming terminal regulations do not require otherwise, what action should be taken to drain accumulated water from the deck during cargo handling operations in rainy conditions?
The scupper plugs are to be kept closed and sealed; any volume of water that is not contained should be allowed to flood over the fishplate
The accumulated water is to be drained periodically and the scupper plugs to be immediately closed once the water has been run off. Water containing oily residues is to be transferred to a slop tank or other suitable receptacle
During periods of heavy rain, it is considered prudent and safe to allow water to drain continuously; therefore scupper plugs should be removed in such conditions
The accumulated water is to be transferred to a spare tank
What is another term for ‘Cargo Sweepings’?
Cargo hold debris
Waste
Marine Pollutants
Dry cargo residues
What indicates the correct weight of a wrongly declared container?
The container CSC plate
The ship’s loading computer
Strain gauges fitted to the shore gantry cranes
The tare weight stamped on the container
Why are cargo hold bilges washed with chloride of lime?
To assist with draining the bilges
To disinfect the bilges and remove odours
To assist with drying the bilges
To protect against corrosion
What action should be taken by the Officer of the Watch in the event of fire being reported to the bridge during the 00.00 to 04.00 watch?
Send the bridge look-out down to investigate
Sound the Fire Alarm
Stop engines and inform the engine room
Call the Master
What is the purpose of fixed stacking cones?
To prevent the horizontal movement of 20’containers at tank top level
To prevent the horizontal movement of 40’containers at tank top level
To lock 20’containers in 40’ cell guides
To prevent movement of 20’and 40’ containers at deck level
The instrument air system is suffering from excess water carry over to the instrument air lines. The air intake to the compressor has very high humidity. Which of the actions given in the options will most likely result in reducing this problem?
Use an additional coalescer filter in the inlet to the instrument air filter system.
Shorten the time between automatic receiver drain blow downs.
Reduce the superheat setting on the instrument air refrigeration/dryer unit.
Increase the cooling water flow through the compressor intercooler and aftercooler.
On the figure 4 possible definitions of the term "ASTERN" are shown. Which one is the correct one?
Astern is defined as B on the figure
Astern is defined as D on the figure
Astern is defined as C on the figure
Astern is defined as A on the figure
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?
25% extra
10% extra
50% extra
5% extra
Which of the following is not designed to hold chain lashings?
Eye plates
Crinkle bars
'D' Rings
Clover leaf lashing sockets
What should you keep in mind when releasing lashings?
Step aside when lashings are released
Close your eyes
Release lashings with great care to reduce the risk of injury when tension is released
Always use one hand!
How is a dangerous substance listed in the IMDG Dangerous Goods List?
By its Proper Shipping Name (PSN) and subsidiary name
By its Trade Name
By its Proper Shipping Name (PSN)
By its abbreviated Trade Name
What does ‘wedging’ achieve in side-rolling hatch covers?
It facilitates lowering of the panels for closing
It forces the compression bar on one panel to fit against the seal on the opposite panel
It facilitates the automatically wedging of hatch cover panels
It facilitates the automatic cleating of hatch cover panels
What is the main purpose of having a deaerator in a boiler feed water system?
To remove oxygen and other dissolved gases from the feed water.
To provide a dosage point for feed water treatment.
To reduce the total dissolved solids in the feed water.
Toact as the primary feed heater.
Some refrigerated cargoes can be more easily damaged than others due to rough handling. From the options given, select the cargo which is most likely to be damaged due to the use of poor handling techniques.
Potatoes in paper sacks.
Frozen beef in cartons.
Chilled plums in cartons.
Chilled meat in cartons.
What is a "bouquet garni"?
A type of cocktail.
A bunch or sachet of herbs used to add flavour during cooking.
A bunch of flowers to add a pleasant smell to the galley.
A French dressing, added to meat after serving.
Is there a longitudal bulkhead in membrane tanks?
There is always transverse bulkheads in membrane tanks to reduce free surface of the cargo
There is steel frames instead of bulkheads in membrane tanks
There is always longtitudal bulkhead in membrane tanks
There isn't longtitudal bulkhead in membrane tanks
Tab washers are often fitted to bolted assemblies to prevent the nuts and bolts slackening. For an assembly where the nuts are positioned at the top select the option which describes the correct method of locating the tab washers.
Bend the inner tab up against one flat of the nut and the other tab down over the edge of the component.
Bend the outer tap down over the edge of the component and leave the other tab flat against the component.
Bend the outer tap up against one flat of the nut and leave the other tab flat against the component.
Bend both tabs up against opposite flats of the nut.
When a solid cargo that presents a hazard is offered for shipment and is not listed in the International Maritime Solid Bulk Cargoes (IMSBC) Code, who will assess acceptability of the cargo for safe shipment?
Competent authorities of the Flag State
Competent authorities at the port of discharge
Competent authorities at the port of loading
All
Which of these statements is correct with regard to the characteristics of cashew nut shell liquid?
It can be stored for prolonged periods without becoming rancid
Its carriage does not present any undue hazards or risks
It is corrosive
It is sweet and odourless
Through time the container stools on the weather deck / hatch tops of a container vessel can suffer from corrosion and wear down. Select the most dangerous consequence of ignoring this.
It may be difficult to fully lock the twistlocks.
The deck stool may collapse causing the lashings to go slack.
The container will not sit evenly on all four corners.
It may be difficult to remove the twistlocks during cargo operations.
"Overshoot" is an expression related to a ship's steering ability. What is the correct understanding of this expression?
It is the way a ship turns when putting the helm in a hard over position
It is how many degrees of the compass a ship continues to turn after applying counter-rudder
It is the amount a ship moves forward after the engines are stopped
It is the way a ship continues to turn when the helm is put amidships
Which of the options given is likely to be the reason for a drop in the charge air manifold pressure of a diesel engine operating with an exhaust gas turbocharger?
Insufficient cooling of the charge air.
Exhaust gas boiler fouled.
Engine room exhaust fans stopped..
Scavenge ports dirty.
Once a vessel has discharged a fruit cargo it is important to check that all cargo residues have been removed, particularly if the next cargo is to be a sensitive fruit cargo. From the options given, select the most important reason for this requirement.
The cargo residue is unsightly.
The cargo residue can produce large amounts of ethylene.
The cargo residue may become smelly.
The cargo residue may attract the attention of the loading surveyor.
The auxiliary boiler for the supply of low pressure heating steam has an automatic combustion control which operates on a two step control principle. The boiler fails to attempt to start up during a period of normal operation even though the steam pressure has fallen below the set point. What is the most likely cause of this fault?
The photocell for detecting flame on is dirty.
The pressure switch for the combustion air supply is faulty and remains open.
The pressure switch for low steam pressure is faulty and fails to close.
The electrical supply for the control system is isolated.
The engine is started by compressed air. Which one of the following statements is correct ?
If we have lost the starting air pressure, we can use a pressurized oxygen bottle from the welding equipment for an emergency start of the engine.
A heavily leaking starting air valve can cause an explosion in the starting air pipe system.
The starting air shall always contain some water.
If the engine does not turn when we open for the starting air, we can use the turning bar together with the starting air to get the engine out of a deadlock position.
The Ziegler-Nichols method is used in control engineering when setting up the system. Which of the system components given in the options would this method be applied to during initial set up?
Sensing unit to set the range.
Valve positioner to optimise speed of operation.
PID controller for tuning.
Valve and actuator to set the span of travel.
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
On a container vessel, select from the list the most effective method of dealing with a fire in an under deck cargo space.
Boundary cool the cargo hold from the deck.
Deploy the fixed fire fighting system.
Tackle the fire locally with fire hoses.
Turn the vessel off the wind to reduce the relative wind strength.
In which part of the oceans and in what season is Parametric Rolling likely to be experienced?
North Pacific winter
North Atlantic winter
Around South Africa at any time of year
North Pacific summer
We have a problem with surging in the turbocharger. Which of the following could be the cause?
The lubrication oil pump is malfunctioning
Dirty scavenging air cooler on the air side
Dirty rotor blades and nozzle ring.
Worn out bearings on the turbocharger
The high level water ingress alarm in number 1 hold of a Bulk Carrier activates in bad weather at sea; what would be the actions of a prudent Master?
The alarms could be faulty and should be ignored
Investigate when the weather improves
Sound general alarm, muster ships crew and transmit a Mayday call and message.
Assess all spaces for signs of damage if weather conditions permit
To which of the following are the Hague-Visby rules applicable?
Carriage of animals/livestock
Charter parties incorporating a Clause Paramount
Cargoes stated as being carried on deck
Contracts of carriage not evidenced by a bill of lading
The economizer is used for
Desuperheating of the steam
Heating of the feed-water
Lower the superheater temperature
Heating of the fuel oil
Which oxygen content shall we measure before entering a tank or space after venting?
The oxygen content shall be measured to 10,8% by volume
The oxygen content shall be measured to minimum 19% by volume
The oxygen content shall be measured to 21% by volume
We don’t need to measure the oxygen content
Before departing the berth to ensure the stability of a RoRo vessel which if the following should be completed
Close all Ramps and hatch covers
Open all ramps and hatch covers
turn off all the deck hydraulics
What do you understand by the term “Risk Assessment”, and how would this be carried out on board?
States than when work has a degree of risk that the work is not carried out
Requires a great deal of preparation and involves recording everything on paper
Identify the hazards, quantify the risks, put control measures in place, monitor the work activity and review
Identify the hazards and specify the personal protective equipment that would be required to complete the work
In most colour coding systems for kitchen knives, what colour is used to indicate those used only for preparing raw meat?
Black.
Blue.
Red.
Yellow.
Where would you normally expect to find the air vent cock on a steam boiler?
At the feed water inlet pipe connection.
At the highest point of the steam drum.
At the superheater outlet
On the highest point of the steam range.
What basic information do we get from the pump system curve?
We get information about the pump’s suction height and liquid flow.
We get information about the pump’s liquid flow.
We get information about the pump’s lifting height and liquid flow.
We get information about the pump’s ampere, delivery pressure and suction height.
The overspeed shutdown is to be tested on a high speed four stroke diesel engine driving through a pneumatic clutch. The overspeed protection is provided by a solenoid operated dump valve in the governor servo system activated by an electrical signal from a small synchro motor. What is the preferred method of testing such a shutdown?
With the engine on a high or full load suddenly disengage the clutch.
Reduce the set point so the shutdown operates at normal engine speed.
With the engine off load manually increase the governor speed setting until the shutdown operates, reduce the shutdown set point if necessary.
Use a crowbar to lever the governor linkage to full fuel with the clutch disengaged and engine off load.
Consider the situation sketched below. What can happen if the tugmaster is not careful?
The tug may be turned across your bow with the danger of being turned over.
The stern of the tug may be sucked into your bow.
The tug may be pushed away from the ship and thus unable to assist your vessel.
The tugmaster may loose control and ram your bow with possible damage to your ship.
On a RoRo vessel, when checking cargo lashings during the voyage what must duty crew members pay special attention to?
The number of lashings per cargo unit
The tightness of lashings per cargo unit
The type of cargo lashing materials
In which cases shall side scuttles in passenger ships be so constructed that they cannot be opened without the consent of the master of the ship?
Where the height of the side scuttles go through more than two decks
Where the sills of the side scuttles are below the margin line
Where the sills of the side scuttles are less than 500 mm above the deepest load line
Where the sills are mounted below the bulkhead deck
Which of the following cargo types is a general cargo vessel best suited ?
Containers and heavy project cargo
Pallets tinned foodstuffs and drums chemicals
Bulk grain and bulk cement
Fruit and vegetable cargoes
On which type of gas carrier can spherical tanks be used for the cargo system?
Spherical cargo tanks can be used for fully refrigerated, semi-pressurised/semi-refrigerated and fully pressurised gas carriers.
Spherical cargo tanks are only used for fully pressurised gas carriers
Spherical cargo tanks are only used only for semi-refrigerated gas carriers
Spherical cargo tanks are only used for fully refrigerated and semi-refrigerated/semi-pressurised gas carriers
On a Container vessel, to what would a fibreglass yacht be secured after lifting onboard?
The cradle
Flatrack
Yacht Bay
Pallet
Two reference points for pressure exist, absolute zero and atmospheric pressure. What do you call pressures measured relative to absolute zero?
Absolute pressure
Vacuum pressure
Pressure drop
Gauge pressure
What does the Chief Mate want to have done?
He wants tight lashings and two extra chains on one container
He wants to take the lashings and the extra chains to the containers
He wants to make tight lashings on the extra chains
He wants all the lashings tightened and two extra chains fastened to each container
In the charts, objects are sometimes marked "Racon". What is that?
A radioconnection buoy or lighthouse.
A buoy or a lighthouse which is activated by a ship's radar, and indicate this by a marker on the radar.
A buoy or a lighthouse for direction findings by radiobearings.
A buoy or a lighthouse which constantly send radar signals to the ship.
To maintain a fire, three conditions need to be met: Oxygen, combustible material and sufficient temperature for combustion. What subject must be removed to extinguish the fire?
Oxygen.
Either of the mentioned alternatives.
Combustible material.
Heat, Oxygen and combustible material.
If Mouth - to - Mouth (M-T-M) ventilation by itself is unsuccessful and the casualty's heart stops, or has stopped beating, you must perform External Chest Compression (ECC) in conjunction with M-T-M. What is the rythm when performing M-T-M in combination with ECC with one First Aider only ?
10 compressions followed by 3 full ventilations
15 compressions followed by 2 full ventilations.
5 compressions followed by 5 full ventilations.
20 compressions followed by 5 full ventilations
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.