Головна Онлайн-тести CES Passenger Deck Support Test online CES 5.1 for Deck department, Support level, Passenger vessel

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Питання 1 з 90

At the and of a radio telex-connection, when a ‘store and forward' –message has been transmitted, the coast-station at least gives a:

Reference number

Time (in UTC) whereupon the telex for the subscriber is delivered.

Approximate time when telex will be delivered

Code in letters which will be repeated when the telex has been delivered to the subscriber

In discussing the properties of chemical cargoes, what is the "Odor Threshold" of a product?

The smallest concentration, expressed in parts per million by volume in air, that can be detected by smell by most people.

The maximum concentration of a vapour that can be tolerated without permanent damage to the nasalmembranes.

The temperature at which the vapour pressure a substance is greater than the prevailing atmospheric pressure and vapour is then released into the environment.

The average concentration of a substance to which a worker may be repeatedly exposed for a normal 8 hour working day, 40 days a week, without adverse health effects.

The bridge wheelman has not reported for duty and there is a suspected "Man Overboard" situation on your vessel. The ship has been searched and there is one seaman missing? The vessel turns round and retraces the course back, calling for assistance from other vessels in the vicinity. What should be the focal point for any search pattern to be established?

The focus of the search should be from the present position as he probably went overboard when proceeding to the bridge for his watch.

Determine when the seaman was last sighted and concentrate the search round the course line between the last sighting and present position, taking into account any prevailing current.

The last sighted position should be the focal point of any search pattern and all ships should keep a good lookout in that vicinity, moving outwards to the present position.

Determine the drift and leeway of own ship and take this deviation from track into account on the return course. The search should focus around this return track back to the last sighted position

When a ship is lying at anchor in a tidal area using both forward anchors, to what particular aspect should the officer of the watch be paying special attention?

When the ship swings to the tide the direction of swing should be controlled to avoid the anchor cables becoming wrapped round each other.

The ship will become controlled by the tide and the wind will not be allowed to have any effect on the direction the ship lies at anchor.

The two anchors will restrict the ships swing with the tide and the ship may not lie to the prevailing current and wind

The tension on both cables should be similar, to avoid one dragging and all the weight of the ship remaining on the other anchor only.

You are sailing in shallow water, with 15% Under Keel Clearance. With full RPM, what will your speed be compared to deep water?

Faster

Stay the same

Slower

The RPM will drop with 15% of full

On board passenger ships an abandon ship drill must be performed:

Every week

Every month

Every three months

Every two weeks

When there is doubt about the freshness of the atmosphere in enclosed or confined spaces, what action should be taken?

Ro-ro decks are always ventilated in advance of an operation

Open both bow- and stern doors

Arrangements should be made for testing of the atmosphere to ensure maintenance of 21% oxygen and a carbon monoxide content below 50 ppm in the atmosphere of the space

Supply filter masks to all crew working on ro-ro deck

What is the normal thickness of the primary barrier (membrane) on membrane containment type systems?

0.7 - 1.5 mm

1.5 - 2.0 mm

2.0 - 2.5 mm

0.2 - 0.5 mm

What measures regarding ship stability should be taken in order to make passenger ships able to withstand critical damage?

Damaged stability to be increased by weight redistribution.

Damaged stability to be increased by use of water ballast

Avoid overloading the ship

Maintain sufficient intact stability

Which of the following can cause an unprecedented list at sea?

Heavy weather

Ballast water exchange

Turning the vessel

Shift of cargo

During RoRo cargo operations, what must be monitored at all times where the ramps are concerned to prevent damage to the cargo

the controls are left unsecured at all times

The angle of the loading ramp is not to steep and that the ramp has not lifted of the jetty

the ramp is correctly painted

Why is it important to keep the condensate pH value within the correct range when operating steam boilers?

To prevent corrosion in the feed system.

To minimise oxygen content in the feed waters.

To minimise dissolved gases in the feed water.

To prevent sludge forming in the feed tank.

What action would you take if confirmed boiler water test results showed that the pH of the water in the boiler was below 7?

Blow the boiler and top up again with untreated feed water.

Retest the water after increasing the treatment chemical dosage.

Nothing, this is an acceptable value for the pH of boiler water.

Retest the water after decreasing the treatment chemical dosage.

What is the most important reason for separating a panicking passenger from the group?

It is easier to calm the person down in private.

You want to protect the panicking person as much as possible.

You don't want other passengers to hear if you have to become very strict with the panicking person.

Panic can spread and affect other passengers.

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.

Which of the following food types or food components listed below is considered to be dangerous to health if consumed on a regular basis?

Soft fruit.

Root vegetables.

Moderate volumes of fibre.

High levels of sodium.

Gas welding is carried out in the work shop. Prior to lunch break the following precaution is carried out:

No precautions are taken

One of the ratings is left "on watch" during the lunch break.

The main supply valves in the deck storage are closed prior to switching to UMS-mode

The local acetylene/oxygen valve in the work shop is closed prior to switching to UMS-mode

Which group of containerised dangerous goods is considered the most hazardous for marine transportation, due to possible decomposition at normal temperatures?

Inflammable liquids

Organic peroxides

Infectious substances

Toxic gases

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.

What is the time limit for abandonment of passenger ships?

There is no time limit

30 minutes from the time the abandon ship signal is given

2 hours from the time the abandon ship signal is given

15 minutes from the time the abandon ship signal is given

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

On a Container vessel, what can cause large loads in lashings when containers are secured to a lashing bridge?

The lashing bridge is flexible but the hatch covers are fixed, causing the lashings to go alternately slack and tight

The lashing bridge is fixed but the hatch covers move when the ship rolls and pitches, causing the lashings to go alternately slack and tight

Due to flexibility of the hatch covers

Due to inflexibility of the lashing bridge

Which regulations cover packaging materials consisting of wooden elements?

The Code of Safe Practice for Cargo Stowage (CSS) Code

The International Maritime Dangerous goods (IMDG) Code

International Standards for Phytosanitary Measures (ISPM) Code

The United Nations Convention on Law of the Sea (UNCLOS)

A centrifugal pump gland has been repacked following overhaul of the pump. Which of the procedures given in the options is the correct method to ensure the pump shaft does not overheat when the pump is operating?

Tighten the gland to half way travel of the gland follower.

Tighten the gland follower as much as possible and then slacken it back again by one turn of the gland nuts.

Gradually tighten the gland follower with the pump running until leakage at the gland stops.

Gradually tighten the gland follower with the pump running until the leakage is just a small steady flow.

Use of …… and …… is strictly prohibited onthe ro-ro deck, signs shall be displayed

Personal Protective Equipment and Mobile telephones

Naked lights and Smoking

Goggles and Smoking

Torches and Smoking

What is important with regard to checking container lashings on deck?

The strength of lashing rods

The number and extent of lashings

The strength of twistlocks

The tightness of lashing rods and container locking arrangements

Approximately how many days will fresh cucumbers usually last in cold storage?

28 days

1day

4 days

18 days

The Captain has complained about the catering department overtime and the amount of food being left over and wasted. The Cook suggests that he cooks a large amount of rice in one go, keeps it warm during service at the evening meal, places any left over in the refrigerator overnight and then re-heats it for the lunch-time meal it the next day. Is this acceptable practise? (Select the most correct answer).

Yes, it will minimise cooking time and cut down wastage. As the rice has not been mixed with any other ingredients, it will remain pure and fresh.

Yes, it will save overtime and cut down wastage. Being rice, it poses no health risk.

No, this is extremely dangerous and could lead to food poisoning throughout the whole crew.

Provided the rice is re-heated to a temperature of at least 37.8 degrees Celsius there will be no health risk. It is a practical approach to cutting down preparation time.

Modern medium speed diesel engines normally have relatively short crankshafts with large diameter pins. How do these design features affect the reliability of crankshaft deflection readings?

The design of the crankshaft has very little effect on the readings when compared to the inaccuracies that arise due to human error.

Very short, stiff crankshafts do not deflect even when the engine is running so the readings are unaffected.

They increase the risk of inaccurate readings due to the 'stiff' shaft having very small natural sag which may therefore result in 'floating journals' in the static condition.

They reduce the risk of inaccurate readings as the large diameter pins result in a relatively heavy shaft which will reduce the risk of 'floating journals'.

The piston rod of a large two stroke diesel engine has been damaged and is heavily scored in way of the piston rod gland (stuffing box). It has been decided that it is economically viable to recondition the rod at a shoreside facility. Select, from the options given, the most suitable repair method that should be used?

Recondition the rod by build up using electric arc welding and surface grinding.

Recondition the rod by machining away the score marks and fit undersize rings to the stuffing box.

Recondition the rod by surface grinding and build up using plasma spraying with metal similar to the original.

Recondition the rod by surface grinding and build up using chrome plating to give a harder running surface and avoid similar damage in the future.

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.

Based upon what factors is Seed Cake categorised in the Code of Safe Practice for Solid Bulk Cargoes (BC Code)?

The extraction process, oil and moisture content

Oil and moisture content

Temperature during extraction, oil and moisture content

Temperature during extraction and moisture content

When should you use safety goggles?

When you are filling in the engine room log book.

When you are welding.

When you are tidying up in the engine room workshop.

When you are working with power tools or chemicals.

This circuit is widely used for rectification of AC into DC. Which of the diagrams is correct for the out- put voltage when the input voltage is sine-shaped as shown?

Figure 3

Figure 1

Figure 2

Figure 4

One technique for using good body language is to:

stand still when speaking

fidget when speaking

speak quickly because there's not much time

show that this is a serious situation by not smiling

A decision support system for emergency management shall be provided on the navigation bridge. What type of emergency situations shall as a minimum be identified in the emergency plans?

Fire, Damage to ship, Pollution, Unlawful acts threatening the safety of the ship and the security of its passenger and crew, Pesonnel accidents, Cargo-related accidents, Emergency assistance to other ships

Evacuation, Fire, Pollution and Man-Over-Board

Man-Over-Board, Evacuation and Fire

Fire, Evacuation, Pollution, Personnel accidents and Ship Security

Select the option which correctly completes the following statement. 'Prior to allowing work to proceed in an onboard space testing of the atmosphere should be carried out…

…for any space with limited access or non-continuous ventilation or is suspected of having a hazardous atmosphere.

…only if the space has been used to carry any cargo or contains any cargo related equipment.

..only if the space has contained liquid oil at some point.

…only if the space has a watertight door or watertight access opening.

Indicate the correct name for the part marked on the sketch:

Rocker

Main bearing

Push rod

Connecting rod

During loading or discharging liquefied gas cargoes it is important to control the pressure in the cargo tank. What is the preferred method of maintaining pressure and avoiding a vacuum condition in the cargo tanks while discharging?

Stop the discharge periodically to allow boil off gas to build up the pressure.

Increase the pumping rate and recirculate some of the cold liquid cargo back to the tank

Use a cargo vaporiser to feed hot vapour back to the tank to maintain required pressure.

Reduce the discharge rate until the pressure builds up again and then increase it back to maximum.

What is the result of a large metacentric height?

The center of gravity will move upwards.

The ship will have a long roll period.

Bending moment will increase.

The ship will roll violently.

What is the main purpose for taking diesel engine crankshaft deflections?

To check for weardown of the bottom end bearings.

To check for weardown of the main bearings.

To allow calculation of the load on each of the bearings.

To check that the shafting is in a straight line.

Which factor influences the pumping capacity (flow) of a centrifugal pump the most?

Total pressure head

Liquid density

Suction pressure

Liquid temperature

With reference to non-VIT diesel engine high pressure fuel pumps that have helix control, how is the timing of fuel injection normally adjusted?

By raising or lowering the pump plunger relative to the pump barrel.

By rotating the pump plunger relative to the pump barrel.

By changing the governor output signal.

By changing the opening pressure setting for the fuel injection valves.

Drip trays are provided in way of the cargo manifold on the vast majority of LNG carriers. What is the main purpose of having this drip tray?

To minimise cargo losses during disconnection of hard arms at completion of loading and discharging.

To allow blanking plates and fastenings to be stored ready for fitting after disconnection of hard arms.

To minimise the risk of pollution in the event of a minor spillage during disconnection of hard arms.

To minimise the risk of extremely cold cargo from spilling onto the deck, which may damage the ship's structure, when disconnecting hard arms.

What are the duties of engine room ratings forming part of an engine room watch?

To note all machinery not functioning properly.

To clean and maintain dirty equipment.

To assist in the efficient and safe watchkeeping.

To verify the current operational parameters.

What kind of fixed extinguishing plant is installed to use on an oil tanker’s engine room and pump room?

Powder plant.

CO2 plant.

Foam plant.

Water spray plant.

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

Only search vehicle compartments where you suspect objects may be hidden.

TRUE

FALSE

When one ship is unmooring from another which is at anchor, the unmooring crew should be instructed to cast off lines:

As and when they think fit.

As and when the vessel remaining at anchor instructs them to do so.

As and when the manoeuvring vessel instructs them to do so.

As and when strain appears on individual ropes.

Thermocouples are often used for measuring temperatures. Which of the following descriptions are valid for a thermocouple?

A junction between two dissimilar metals generates a small voltage.

A semi-conductor device that exhibits a negative coefficient of resistance with temperature.

A resistance device that exhibits a positive coefficient of resistance with temperature.

A quartz crystal that changes its resonant frequency with temperature.

You are in charge of discharging and crude oil washing a crude oil carrier.What is the maximum allowed oxygen level measured one meter below deck in a tank during crude oil washing? (IMO Reg)

10%

How can the effects of ‘lateral drag’ be reduced when loading heavy machinery?

By using a shore crane

By a quick loading operation

By listing the vessel to counter the loading operation

By a controlled and very slow loading operation

Which one of the following international regulations is normally used when handling dangerous goods?

IMDG code

HB code

KLMNG code

SOLAS code

What is the maximum pressure that the safety valve on a steam boiler should be set to lift?

3% above the normal working pressure.

10% above the normal working pressure.

At the maximum design or maximum permitted working pressure of the boiler.

3% above the maximum design pressure..

What do you understand by: Rig the accommodation ladder in combination with the pilot ladder?

Rig the accommodation ladder in combination with the pilot ladder means: lower the gangway and rig the pilot ladder from the gangway

Rig the accommodation ladder in combination with the pilot ladder means: lower the accommodation ladder and rig the pilot ladder right next to it

Rig the accommodation ladder in combination with the pilot ladder means: lower the gangway

Rig the accommodation ladder in combination with the pilot ladder means: lower the gangway and rig the pilot ladder forward of the accommodation

During routine checking of alarm functions of main and auxiliary equipment, some setpoints are canceled due to a mistake. What is the appropriate routine to ensure correct setpoints are set?

Ask your colleague if he remembers the correct setpoint

Check from previous records for correct values

Consult with the instruction manual for the equipment in question for correct values.

Select a setpoint based on present condition allowing for a reasonable safety margin.

Before commencing ballasting for departure, the cargo tanks are surveyed. The small amounts of cargo left in the cargo tanks are referred to as "ROB". What does this abbreviation mean?

Remaining oil and ballast.

Residues on board.

Remnants on board.

Remaining on board.

How are cargo tanks classified under the IBC Code?

Stainless steel tanks / zinc coated tanks / phenolic coating tanks.

Compartments greater than 3001 cubic metres capacity / compartments between 3000 cubic metres and 1251 cubic metres capacity / compartments less than 1250 cubic metres capacity.

Centre tanks / wing tanks / deck tanks.'

Independent gravity tanks / independent pressure tanks / integral gravity tanks.

You are receiving stores, including some cartons of frozen seafood. You spot a watermark around a particular carton. What might this be a sign of?

That the produce has been allowed to partially thaw at some stage during trans-shipment

That the carton has been previously used to transport another product

That the fish inside the carton are oily

That the carton has been standing in the open air and mositure has been absorbed into the packaging

Which of the following statements is true with respect to the Great Lakes area?

Cargo sweepings can be discharged anywhere

Cargo sweepings cannot be discharged in sensitive and/or protected areas

Cargo sweepings cannot be discharged within 5 nautical miles of any coastline

The discharge of cargo sweepings is prohibited

When ballasting double-bottom tanks with sea water on a bulk carrier, which of the following should be avoided?

Tanks not to be over flowed out of air pipes onto deck

Ballasting all tanks together including fore peak tank (FP) and after peak (AP) tank.

Tanks to be sounded regularly during ballasting

Tanks to be filled in order given in Chief Officer's ballast plan

What would indicate the onset of Parametric Rolling?

When the wave encounter period approaches the natural roll period of the ship

When twice the wave encounter period approaches the natural roll period of the ship

When wave heights experienced from either quarter exceed 6 meters

When wave heights experienced from the bows exceed 6 meters

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

What should be done immediately if during the voyage the temperature of bulk coal exceeds 55?C?

Seal the hold and cool its boundaries using seawater

Notify the harbour authorities at the port of destination

Seal the hold completely and monitor the cargo using suitable instruments

Notify the ship owner and/or charterer

Why is it important to remove all traces of salt after washing the cargo holds of a bulk carrier?

Because salt will contaminate the next bulk cargo

If not done, surveyors at the load port will be unable to properly inspect the cargo holds

Because salt encourages the corrosion of steelwork

To prepare the steelwork for painting during the ballast passage

How often shall liferafts be serviced?

Decided by the safety officer

At intervals not exceeding 12 months

At intervals not exceeding 18 months

Every second year

Which of the following is a warning sign of a faulty hydraulic hatch cover system?

Dry greasing points

The presence of dust and cargo particles around the piston gland

A fall in the hydraulic header tank level

Noisy hatch cover operations

As part of the regular maintenance for a paramagnetic oxygen analyser used for measuring the oxygen content of exhaust gas it is important to keep the sample line filter as clean as possible. Why is this necessary with this type of instrument?

The filter may rupture due to the high pressures generated by the sample pump.

The pressure drop across the filter may damage the sampling pump.

A high flow rate is required in order to deflect the sensing element.

Pressure variations in the sample chamber can cause errors so restrictions must be kept to a minimum.

When securing cars on a RoRo vessel, what is the preferred lashing angle in any direction from the lashing point?

20 degrees

45 degrees

25 degrees

15 degrees

What problem is associated with the use of twistlocks?

Sliding of containers when a vessel is pitching or surging

Susceptibility to wear and tear

Failure during heavy weather

The mixed use of left and right-handed twistlocks on the same vessel

Hydrocarbons belongs to a chemical group named:?

Alkanes

Organic substances.

Carbohydrates.

Alkenes

The reliquefaction plant for cargo cooling of liquefied gas cargoes can operate on either a direct or indirect cycle. On which liquefied gas cargoes must indirect cycle cargo cooling plant be used according to the IMO Gas Codes?

All liquefied cargoes in north European waters during winter time

Cargoes such as butadiene and vinyl chloride which need two stage cycle with intercooling.

Cargoes such as chlorine, ethylene oxide and propylene oxide for which the vapours cannot be compressed due to temperature restrictions.

LPG cargoes being carried in north European waters during winter time

What does a "compactor" do?

It compresses and forms raw meat into burgers, patties and other pre-formed shapes prior to packing and freezing.

It disposes of waste material through high-temperature combustion.

It crushes and compresses garbage, such as food packaging, into a more manageable shape and form prior to disposal.

It crushes and grinds food waste into small particles that can be washed overboard as "grey water".

A refrigerated break-bulk cargo (not palletised) is being loaded into a space that it will not fill. From the options given select the one which gives the best way to finish the stow.

With a vertical face that can be secured by netting.

The stow should be stepped down progressively over several rows so that it is self securing.

With a vertical face that can be secured by plywood sheeting.

With a vertical face which can be secured with wooden tomming.

The IMO Gas Carrier code defines liquefied gases, of which LNG is an example, as those gases with absolute vapour pressure greater than 2.8 bar at a certain reference temperature. What is the reference temperature used in the definition?

15.8 degree C.

37.8 degree C.

100.0 degree C.

25.7 degree C.

Read the text in the diagram and answer the following question: When should training in personal survival techniques be given?

After one period at sea

During the first week on board

Before being employed

After joining the ship

You are in an area of restricted visibility, close to a port. You hear this signal. What vessel does it come from and what additional information does the signal provide?

A vessel at anchor, more than 100 metres in length. She is sounding the additional signal to give warning of her position.

A vessel aground, more than 100 metres in length. The additional signal indicates which side the clear water lies on.

A vessel at anchor, less than 100 metres in length. She is sounding the additional signal top give warning of her position.

A vessel at anchor, more than 100 metres in length. The additional signal indicates that her cable extends at least 25 metres from her bow.

In a non-verbal demonstration, which action provides good communication?

Do the procedure as you would without an audience.

Avoid eye contact.

Exaggerate your movements.

Do not say the instructions verbally.

On a Container vessel, what are the vertical corner structures of a container called?

Corner fittings

Casting posts

Corner posts

Corner pillars

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

Which of the following terms may be used to describe a cloth or paper towel which picks up water or spilled liquid easily and effectively?

Nonabsorbent

Adhesive

Transparent

Absorbent

During inspection of the fan spaces an access hatch between the delivery and return side of the fan space is inadvertently left open. What would be the most likely consequence of this situaqtion?

Chilled air would short circuit from the return to the delivery air side.

The delivery air side would become overpressurised.

The fan speed would be affected.

Air would short circuit from the delivery to the return air side.

Some fuel oil and lubricating oil separators have a facility to control the back pressure of the clean oil outlet. What is the purpose of this control function?

To help to maintain the oil/water interface at the correct position.

To control the amount of fuel passing through the separator.

To reduce the amount of sealing water required during operation.

To assist in discharging the bowl contents during the sludge cycle.

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 B on the figure

Under keel clearance is given by C on the figure

Under keel clearance is given by A on the figure

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.

What does the abbreviation ABC mean in first aid?

Air, Breathing, Circulation.

Air, Breath, Concentration.

Air, Burning, Critic.

Abandon, Balance, Circulation.

How often shall crew members participate in fire drills?

Once every year

Once every month

Once every week

Once every 6 months

What will you serve seafarers who have been exposed to heat?

Strong cocktails with plenty ice.

Hot and spicy food.

Warm fresh water only.

Cold drinks and salt.

A pan on the galley stove containing oil catches fire, which of the following should NOT be used on this type of fire?

Cover pan with lid and switch of heat source.

Raise the alarm, close galley door and wait for the fire teams to arrive.

Cover pan with fire blanket and switch of heat source.

Use water extinguisher to put out the fire.

On the figure 4 possible definitions of the term "HEAD LINE" are given. Which one is the correct one?

Head line is given by D on the figure

Head line is given by A on the figure

Head line is given by C on the figure

Head line is given by B on the figure

Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.