%20scale(3)'%3E%3Cpath%20id='s'%20d='M0,-30%2017.63355,24.27051%20-28.53171,-9.27051H28.53171L-17.63355,24.27051z'%20fill='%23FF0'/%3E%3C/g%3E%3Cuse%20xlink:href='%23s'%20transform='translate(300,60)%20rotate(23.036243)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(360,120)%20rotate(45.869898)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(360,210)%20rotate(69.945396)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(300,270)%20rotate(20.659808)'/%3E%3C/svg%3E){kind=small}
Поиск по актуальным вакансиям:
Показать фильтры
Поиск по базе резюме моряков:
Главная Онлайн-тесты CES Passenger 2nd-Off / 3rd-Off Онлайн-тест CES 5.1 для 2nd-Off / 3rd-Off, Passenger vessel
Онлайн-тестирование: Онлайн-тест CES 5.1 для 2nd-Off / 3rd-Off, Passenger vessel
Онлайн-тест
Описание
Тест состоит из случайных вопросов по выбранной теме.
Вопрос 1 из 90
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
- 81
- 82
- 83
- 84
- 85
- 86
- 87
- 88
- 89
- 90
How many rocket parachute flares are carried in each lifeboat?
12
Nil
4
6
According to European standards (E.N.) fire can be classified…
A, B, C, D, E
A, B.
A, B, C, D
A, B, C
What is the inherent danger in welding/cutting in piping containing freon?
Depletion of the ozone layer?
Depletion of oxygen in the air?
Development of nitrous gases?
Development of explosive gases?
*All waste receptacles shall be of non-combustible materials, built and equipped with:
No openings in sides and bottom
A cover of a hinged self-closing type
Permanent means for lashing
A permanenlty attached cover
*Which of the following instructions or information SHALL be contained in the Training Manual?
use of breathing apparatus
means of escape or escape routes
emergency repairs of fire-fighting equipment
use of communication equipment
*Which of the following hose lengths corresponds best to the most common ones found onboard?
30 m
5 M
10 m
20 m
*Generally speaking, what is the value commonly recognised as the maximum concentration of CO allowed in the breathing air of a breathing apparatus?
20ppm
80ppm
100ppm
40ppm
What are the main priorities of the leader of the fire fighting teams?
Rescuing of life, fighting the fire, limitation of the fire and secure the retreat
Fighting the fire, communicate with the fire brigade and arrange the lifeboats to evacuate the ship
Start the fire pump, inform other ships, call the local fire brigade, arrange transport to shore
Start the emergency fire pump, fighting the fire, call the local fire brigade, arrange transport to shore
Whilst in the engine room you hear the CO2 release alarm, what action, if any, should you take?
Leave the engine room as quickly as possible, closing all doors behind you
Proceed to the engine control room and call the bridge for further instructions
Take no action as it is probably someone testing the system, as the fire alarm has not been sounded and the engine room is not on fire
As CO2 cannot kill you, secure your present work, then quietly proceed out of the engine room
The “squelch” adjustment on the front panel of a mariphone serves to:
adjust the transmitting power of the mariphone
Don't know
adjust the noise threshold of the mariphone receiver
limit the noise of the mariphone transmitter
What is false regarding the function :” Transmission and reception of ship to ship distress alerts
On area A4 this function is based on the use of VHF or/and MF DSC
On area A2 this function is based on the use of VHF or/and MF DSC
On area A3 this function is based on the use of INMARSAT A, B or C
On area A1 this function is based on the use of VHF DSC
Automatically connected telephone calls via INMARSAT A are charged
on the basis of a one minimum charge with one minute incremental steps
on the basis of a six second minimum charge with six second incremental steps
on the basis of a three minute minimum charge with one minute incremental steps
on the basis of a six second minimum charge with one second incremental steps
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.
What should be observed concerning the vessel's stress?
The vessel's draft and trim?
Distribution of the containers?
Distribution and weight of the containers?
Weight of the containers?
SCENARIO: ' All Fast ' has just been declared on completion of an underway mooring operation on both the constant heading ship (generally the discharging vessel) and the manoeuvring vessel (generally the offtake vessel). It is now decided that the former vessel should anchor. Who assumes responsibility for navigation from ' All Fast ' time to completion of anchoring time?
The vessel anchoring assumes responsibility
Both vessels assume equal responsibility
The more experienced Sen.Off.Deck assumes responsibility
The offtake vessel assumes responsibility
Who is authorized to prescribe use of locomotives and canal deck-hands during transit of the Panama Canal?
The master
The Cristobal or Balboa harbour masters respectively
The pilot
The Canal authorities
In maritime radio-communication by “low power” given by a nautical phone is meant a transmitting power of:
1,0 – 1,5 watt
Don't know
O,5 watt maximum
0,5 – 1,0 watt
To choose the HF-band, the time difference between 2 stations is:
irrelevant
Don't know
is hardly relevant
is important
Which of the following information shall be specified by the muster list ?
the muster list has been prepared and approved by the Administration before the ship proceeds to sea.
the abandon ship signal consisting of two long blasts.
the specific duties assigned to passengers that are in charge of a group of others.
details of the general emergency alarm signal consisting of seven or more short blasts, followed by one long blast.
Which channels are required for the portable two-way VHFs for survival craft?
Channel 16 only
Channels 16 12, 6, & 70
Channel 16 plus another one
Channels 16, 12 & 6
*Where do you find minimum drill requirements?
In the SOLAS convention and its annex
In owner-s instruction
In manager-s instructions
In classification society rules
*Which of following items shall be included in an abandon ship drill?
Checking the lifeboat provisions and supplies
Checking the distress signal rockets and other distress signals
Checking passenger's immersion suits
operation of davits used for launching liferafts
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. The training manual shall contain detailed explanations of crew duties in relation to emergency situations. Which of the following tasks or duties shall be included in the manual according to present regulations?
The method of revival of casualties by MTM-method (mouth-to-mouth).
Boarding, launching and clearing of survival crafts (lifeboat/liferafts) and rescue crafts (MOB-boats).
Correct donning of fire protective clothing.
The use of oars and sails for survival crafts.
The muster list shall show the duties assigned to crewmembers in relation to passengers in case of emergency. Which of the following duties do not necessarily have to be included in the muster list? The duties shall include:
ensuring that every passenger is provided with an immersion suit or a thermal protective aid
ensuring that a supply of blankets is taken to the survival craft
seeing that passengers are suitably clad and have donned their lifejackets correctly
assembling passengers at muster stations
What special safety measures are required by a seaman when working aloft on a stage?
Safety harness with a rope secured to a safe point above.
No special safety measures required.
A safety harness secured to the stage.
Helmet, safety shoes and gloves.
On some trades fruit cargoes may be subjected to 'in-transit cold treatment' also known as cold treatment. From the options given which is the main purpose of this cold treatment?
To maintain a specified minimum temperature for a prescribed time period to kill off any fruit fly which may be present when loading the cargo.
To maintain the temperature of the fruit within very tight tolerances.
To ensure that the fruit is carried as cold as possible without damaging the fruit.
To achieve uniform quality of the fruit at discharge.
There are many types of pumps fitted onboard ship which an engine room rating may be required to assist with the maintenance of. Which type of pump is shown in the illustration?
A scroll pump.
A centrifugal pump.
A reciprocating pump.
A gear pump.
What is a Marine Evacuation System?
Assistance from other ships
Helicopter evacuation
Evacuation Chute(s)/Slide(s) and Liferafts
Liferafts supported by Fast Rescue Boats and Lifeboats
What is a typical composition of LNG (Arabian Gulf)?
Methane 100%
Methane 75% - Ethane 12% - Propane 13%
Methane 80% - Ethane 15% - Propane 5%
Methane 91% - Ethane 6% - Propane 3%
What necessary precautions should be taken before entering a tank or an enclosed space?
Make sure that the tank/ enclosed space is gas free, ventilated and the oxygen content is measured. O2 content shall be 21% before entering the tank/ enclosed space
Bring a flashlight and put on safety shoes
Remember to have a colleague standing by to assist you if any problems
Use a breathing apparatus if the oxygen level is below 21%
What would you suspect has happened if the lubricating oil for an air compressor has a milky white appearance?
Water contamination of the oil.
Wrong grade of oil has been used.
Oil temperature has been too high.
Air contamination of the oil.
The purpose of the surface blow valve is to
Remove any oil or scum on water surface
Remove air from feed-water
All alternatives
Remove sludge and scale from boiler tubes
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.
Most search patterns consists of:
Vertical tracks
Parallel track covering a rectangular area
Horizontal tracks
Vertical and horizontal tracks
What weakens a twistlock?
Lack of grease
Pitting
An oversized cone
A bent handle
Mention three ways of adjusting a centrifugal pump’s delivery capacity.
Throttling the delivery valve, throttling the suction valve, reduce the steam consumption.
Only throttling the suction valve.
Throttling the delivery valve, adjust the RPM, by-pass.
Throttling the suction valve, reduce the steam consumption, by-pass.
The Chief Engineer tells you to carry out Hot work on deck. What kind of permit do you need?
Hot work permit
No permit is required as long as the work shall be carried out on open deck
Cold work permit because the work will be carried out on open deck
Work permit
Which of the following conditions could be the cause of an air conditioning system evaporator icing up?
High sea water temperature..
Too low suction pressure.
Low sea water temperature.
Too high discharge pressure.
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.
On a Container vessel, what prevents the installation of double stacking cones?
A homogenous container load
Out-of-gauge containers
Limitations in ship design
Restrictions in the cargo securing manual
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
A ro-ro unit weighing 2mt is to be loaded in the fore and aft direction and lashed by belts of SWL 0.6mt. How many lashing belts should be used to secure the unit?
4
6
8
10
How often shall the oxygen analyser be calibrated?
On Chief Officers order
At regular intervals
Every time the plant is shut-down
Prior to every plant start-up, following an 8 hour stop
What term is applied to the compensation payment by the charterer that is due when a vessel is unable to load / discharge her cargo within the allowed and contracted time?
Discretion.
Deferment.
Contractual penalty discount.
Demurrage.
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
What is characteristic of Cotton Seed Cake?
It is susceptible to tainting if stowed near odorous goods
It is unaffected by moisture
It does not require ventilation
Dunnage is not required for cargo stowage purposes
Apart from longitudinal, transverse and vertical accelerations what else must be taken into account when calculating the external forces acting on a cargo unit?
Vertical and transverse forces by wind pressure
Longitudinal and vertical forces by wind pressure
Longitudinal forces by sea sloshing
Longitudinal and transverse forces by wind pressure
During inspection of a medium speed diesel engine piston of the composite type it is found that the steel crown is loose at its connection to the alloy skirt. Further inspection reveals damage to the surfaces and evidence of metal particles where the two parts are connected. Select, from the options given, the likely cause of this type of damage.
Fatigue due to excess compression at the joint between the components.
Crushing due to over tightening of the piston crown retaining bolts.
Shear of the metal surfaces due to excessive load on the engine.
Fretting due to loss of compression at the joint between the components.
What do international and national maritime authorities say about passenger list?
All passengers onboard must be registered with name, age and cabin number.
No requirement to have passenger list onboard as long as shore terminal/office have one, and can send it to the ship on request.
Optional for each company if they want to have passenger and crew list.
All personnel onboard (crew and passengers) shall be registered in order to keep track of total number of person on board
What is the most important factor in the master's ability to make good decisions in an emergency?
Input from company personnel
Planning of emergency procedures
Feedback from the crew
Following safety regulations
You are experiencing large hunting on the fresh water cooling system. What is the reason?
The cooling water temperature is too low.
The expansion tank is empty.
You have a cracked liner, or cover.
The fresh water circulating pump is worn out.
How will continuous low load operation influence the time between overhauls, tbo, for the cylinder covers and associated valves of a 4-stroke diesel engine?
Reduce the time between overhauls due to increased fouling.
Increase the time between overhauls since fuel injectors work better at low load so combustion will be improved and the maintenance will be reduced.
Increase the time between overhauls since the engine is not working as hard.
No influence at all, the required overhauls are unaffected by operating load.
With reference to using centrifuges for cleaning fuel and lubricating oil what is the difference between a purifier and a clarifier.
Clarifiers are used when water is present in the oil.
In a clarifier only solids are removed from the oil, whereas in a purifier both solids and water are removed from the oil
Purifiers are used when only solids are present in the oil.
There is no difference, both use centrifugal force
A bulk cargo is loaded and the shore cargo figure is 10 000 tonnes; the chief officer calculates 9 500 tonnes have been loaded; what should the Master do?
Bills of Lading to be signed "Clean" by Master.
Inform Designated Person Ashore( DPA)
No action to be taken
Ask for a draft survey to be carried in the presence of P& I Club representative
On a Bulk Carrier, what should be done immediately, if during the voyage the temperature of bulk coal exceeds 55?C?
Continue ventilation of all cargo spaces
Seal the hold completely and monitor the cargo using suitable instruments
Use fire fighting water in the hatch
Stop ventilation of cargo space
What would be the likely cause if the shaft of a centrifugal pump shows excessive wear in way of the stuffing box?
The discharge pressure of the pump is too high.
Wrong direction of rotation of the pump.
Over tightening of the gland packing.
Incorrect material used in construction of the shaft.
After water-washing the turbocharger exhaust side it starts to vibrate even though it was operating normally prior to the washing procedure. What is the most likely cause of this problem?
The foundation bolts for the turbocharger are loose.
The rotor blades are damaged or the blades are not properly cleaned
Water drain for washing system is blocked allowing water to build up in the turbine casing.
The turbocharger bearings are worn out.
Which cleaning agents for machinery space are important to use due to the oily water separators function?
Any kind of chemicals.
No kind of chemicals.
An emulsification agent.
A non-emulsifying agent with self splitting emulsifiers.
The ship's crew are supervising the stevedores loading a non-palletized, break bulk cargo of fruit packed in cartons onto a conventional reefer vessel. Select the best type of stow to achieve good carriage conditions for the cargo from the options given.
A very loose stow leaving large gaps between the cartons for the cold air to circulate between them.
A loose stow leaving small gaps between the cartons for the cold air to circulate between them.
A very tight stow where the last few cartons are forced into existing rows to prevent any movement.
A tight stow leaving no space between the cartons so that the cold air is forced through the fruit in the cartons.
How often shall abandon ship- and fire drills take place on board passenger ships?
Weekly
Bi-weekly
At least two abandon ship drills and one fire drill every month
Monthly
What is the minimum number of independently driven fire pumps that must be provided on passenger ships of 4000 tons gross tonnage and upwards?
3
4
5
2
In a smoke filled alleyway where will the cleanest air be found, and how should you proceed out?
Sit and wait for the rescue party.
It will be the same in all parts, therefore I would just leave as quickly as possible.
Near to the deck, crawl out keeping your face as near to the deck as possible.
Towards the upper part, stand as tall as possible and walk out.
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.
What is Breaking Stress with regard to cargo lashings?
The maximum stress that can be applied to a cargo lashing
The maximum load that can safely be applied to a cargo lashing
The safe working load of a cargo lashing plus 10 percent
The load beyond which a cargo lashing will deform
Which of these statements is correct?
Under the Hague and Hague-Visby rules a shipowner must exercise due diligence to make the vessel seaworthy
Under the Hague rules there is an obligation to make the vessel seaworthy
A vessel may be seaworthy even though she may not be cargo worthy
On liner routes cargoes must always be lashed in a standard manner irrespective of season
What can be done to minimize the reduction of GM due to free surface?
Close all watertight doors.
Reduce the number of slack tanks.
Load liquids into only one tank at a time
Load fluids only into tanks with transverse subdivision bulkheads
A stevedore is working in a cargo hold of a bulk carrier while completing discharge of a concentrate cargo. What possible assumptions could be made if the stevedore appears to be taken ill?
Assume problem due to lack of oxygen and/or toxic gas and rescue with self-contained breathing apparatus
The foreman stevedore will deal with this situation
Immediately enter space and give first aid
Assume possible heart attack and give CPR
The engine RPM drops because of:
Fuel oil pipes or filters are clogged.
High lubricating oil temperature.
Leaking exhaust valves.
Bad fuel oil quality.
What are the lists called that give the position and task during a lifeboat drill for all persons on board the ship?
The Crew List
The Duty List
The Muster List
The Drill List
What will increase friction between the deck surface and cargo units?
Placing cargo units as closely as possible to each other
Placing soft boards or other anti-skid material under the cargo
Removing all traces of grease and oil from the decks
Tightening cargo lashings to the fullest extent possible
What temperature do we calculate on when using the ASTM-IP tables?
We calculate the liquid weight at actual temperature.
We calculate the liquid weight at +25 C.
We calculate the liquid weigh at ambient temperature.
We calculate the liquid weight at +15 C.
Where would you find the document relating to the "Condition of Freeboard Assignment" onboard?
With the Loadline Certificate.
With the Structural Survey File.
With the Classification Records.
With the Safety Construction Certificate.
On a conventional reefer vessel carrying palletised cargo, dunnage bags (air bags) are used to prevent the pallets from moving during bad weather. Assuming that the air bags are correctly positioned and inflated, select, from the options given, the other important function provided by these bags
They will help to achieve a good stowage factor.
They will prevent short circuiting of the cold air.
They will prevent chafing between the pallets
They will protect the ships structure.
How many portions of fruit and vegetables are recommended as part of the daily intake for an adult?
2.
10.
5.
Not more than 3.
The office phone, fax, telex and after office hours telephone numbers can be found in:
Vessel health, safety and environment manual
Radio log book
The Ship's emergency contingency manual
Vessel operation manual
What is the correct understanding of the term "Lapse Rate" when used in Meteorology?
The rate of increase of the wind associated with a Tropical Revolving Storm.
The change of the temperature in the atmosphere with height above sea level.
The change in the temperature associated with the passing of the warm front of a frontal depression.
The delay in temperature reduction associated with the wet bulb thermometer of a hygrometer
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
What is the purpose of a draught survey on a bulk carrier?
To calculate the vessels lightship displacement
To calculate the vessels constant
To calculate shear forces at the bulkheads
To calculate the quantity of bulk cargo loaded or discharged
What is the name of this unit?
A hydrostatic release unit
A liferaft release unit
An antistatic release unit
A slip hook
What is the purpose of Material Safety Data Sheets?
To provide all personnel including emergency personnel with procedures for handling or working with that substance in a safe manner
To provide personnel in deck- and engine department with procedures for handling or working with that substance in a safe manner
To provide the safety officer with procedures for handling or working with that substance in a safe manner
To determine if the substance is flammable or not
What is the letter ‘P’ under the IMDG Code?
Pollutant
Marine Pollutant
Severe Marine Pollutant
Packaging
Cargo compressors are fitted on LPG carriers as part of the cargo and vapour handling system. Why is it important to 'bar over' a piston type LPG compressor before starting it up?
To prove the oil pump is working.
To avoid low suction pressure during start up.
To reduce the electrical start up load..
To make sure there is no liquid in the cylinders.
With regard to raised deck sockets what must be ensured prior to commencing cargo operations?
They must be ready to secure the turnbuckles
They must be free of internal debris
They must be well painted
They must be clean
On a Container vessel, what must be done when container lashing equipment fails at sea?
Report the matter to the equipment manufacturer's
Report the matter to the ship owner
Enter the number and type of failed equipment in the deck log book
Enter the number and type of failed equipment into the lashing equipment file on board
An oil tanker's tank-cleaning machine with a rotational speed of 1 rpm and a slected pitch angle of 1.5 degrees is used to perform a bottom wash with a vertical angle from 40 degrees to 0 degrees for 1.5 cycles (3 passes). If the throughput of the machine at design pressure is 90 m3/hr, what will be the washing time and quantity of crude oil required?
40 minutes and 60 cubic metres of oil.
48 minutes and 70 cubic metres of oil.
30 minutes and 45 cubic metres of oil.
36 minutes and 48 cubic metres of oil.
Most perishable cargoes are presented for shipment pre-cooled to the correct carriage temperature. If the cargo is not pre-cooled or has warmed up due to the cold chain being broken it can result in increased metabolic rates. Which of the given options would be the most difficult to deal with if such a situation occurred during a sea passage?
The water produced by the cargo.
The heat produced by the cargo.
The carbon dioxide produced by the cargo.
The trace gases produced by the cargo.
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
What is the mean of mean draught?
Forward mean draught + after mean draught divided by 2
6 (forward mean draught + after mean draught) divided by 8
Forward mean draught + after mean draught + midship mean draught divided by 2
Forward mean draught + after mean draught + midship mean draught divided by 6
What type of buoy is this?
West cardinal buoy
Isolated danger
Safe water mark
East cardinal buoy
For passenger ships of 1000 gross tons and over, the availability of water for fire-extinguisher purposes shall be: (SOLAS II-2/4.3.4)
Immediate availability of water for at least one effective jet of water from any hydrant in an interior area
Within two minutes availability of sufficient quantities for at least two jets of water from any hydrant in the accommodation
Immediately full waterpressure on all hydrants aboard the ship
Within one minute availability of sufficient quantities of water for at least one effective jet of water from all hydrants
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.