%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}
Пошук за актуальними вакансіями:
Показати фільтри
Пошук по базі резюме моряків:
Головна Онлайн-тести CES Test for Officers onboard about Radio Communication (GMDSS) (CES v6.0)
Онлайн-тестування: Test for Officers onboard about Radio Communication (GMDSS) (CES v6.0)
1
Виберіть режим роботи з тестом:
Навчання
Онлайн-тест
Опис
Відгуки 1
Тест складається із 80 випадкових питань.
Усього питань на цю тему: 198
Усього питань на цю тему: 198
Питання 1 з 80
- 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
A VHF transmission range is mainly determined by:
Whether it is radio-telephony, radio-telex or DSC.
The height of the aerial.
The ocean region.
The transmission power, propagation and the quality of the receiver.
On area A1 the function “Transmission of ship to shore distress alerts” is mainly based on:
The use of SART transponders.
The use of VHF DSC.
The use of HF DSC.
The use of portable VHF.
The emergency battery of a GMDSS portophone:
Must be tested once a week.
Must be replaced before the expiry date is exceeded.
Must be charged after expiry date.
Cannot be replaced.
Your vessel is not in distress and not taking part in a distress operation. How would you impose radio silence on vessels which are interfering the distress traffic?
Seelonce Pan.
Seelonce Distress.
Seelonce Mayday.
Seelonce Securite.
The normal mode of operation for each coast station shall be indicated in:
The ITU List of Radiotermination and Special Services.
The ITU List of Ship Stations.
The ITU List of Call signs and numerical identities of station used by the maritime mobile and maritime mobile-satellite services.
The ITU List of Coast Station.
Define the class of emission G3E:
Radiotelex and DSC – Frequency shift keying of carrier with error correction.
Radiotelephony – Phase Modulation.
Radiotelephony – Frequency Modulation.
Radiotelex and DSC – Frequency shift keying of sub-carrier with error correction.
With an Inmarsat-C installation there is the addressing-option “special”. Via this option:
You can send a message by express delivery.
You can deliver a message via a special telegram.
Give one of Inmarsat’s “special access codes”.
You can plan a message to be delivered at a special time.
What is SITREP an abbreviation for:
Situation Report.
Ship Transmit Emergency Radio.
Survivor Indication Transponder Equipment.
Ship Indication Transmission Equipment.
A DSC-notice should be sent on VHF-channel:
67.
16.
70.
13.
Which of the following frequencies is used by the NAVTEX system?
121,5 MHz.
156,8 MHz.
2 182 kHz.
518 kHz.
MF communication is usually provided by:
None of the mentioned.
Sky wave.
Space wave.
Ground wave.
How often must inspection of proper working of the EPIRB’s and SART’s take place on board? Once per:
14 days.
Week.
Month.
Every day.
The propagation of radio-signals in the VHF-band is:
Strait.
Dependent on the hour of transmission (day or night).
Dependent on the power emmited and the temperature of the atmosphere.
Almost rectilinear.
Moored in a harbour, transmitting with a mariphone is:
Allowed in emergency only.
Allowed in consultation with harbour master.
Always allowed.
Not allowed.
With what system is a NAVTEX-message transmitted?
ARQ.
SELFEC.
JRC.
FEC.
On area A1 the function “Reception of shore to ship distress alerts” is mainly based on:
The use of MF DSC.
The use of SART transponders.
The use of VHF DSC.
The use of SARSAT COSPAS Epirbs.
According to the rules of GMDSS vessels are equipped with certain radio-communication devices depending on:
Type of vessel.
Their tonnage.
The trading sea areas.
Flag state.
By FleetNET communication is understood:
An urgent message for all ships in a particular area.
A MSI-message destined for ships in specific geographical area.
A HF-NBDP-message destined for ships in a certain geographical area.
An EGC-message destined for ships with the same group call number.
According to the rules of GMDSS all vessels have to be equipped with:
A VHF in captains cabin.
At least three mariphones.
A possibility to receive MSI.
On both sides an EPIRB.
A wire aerial for an MF/HF-transmitter must be suspended between isolators:
To prevent contact with earth.
To prevent burns when touching the aerial.
To save energy.
To make the way for aerial currents as long as possible.
The identification of a coast station is composed as follows:
33 followed by the MID number.
00 followed by an MID-number and station number.
00 followed by an MID-number.
00 followed by an MMSI-number.
Which of the following frequency bands would most likely provide reliable communication between two stations that are 15 miles apart?
The Very High Frequency (VHF) band.
The Medium Frequency (MF) band.
The High Frequency (HF) band.
The Low Frequency (LF) band.
To receive distress alerting and MSI via an Inmarsat-C set vessels must have:
A radio officer on board.
SES or an EGC receiver.
MF/HF radio telex scanner with printer.
Suitable for 518 kHz NAVTEX receiver.
The prescribed test of an approved portable VHF radio set (portophone) must be done once a:
Month.
Year.
Week.
Quarter.
Long distance communication in the HF-bands depends on:
Weather conditions.
Satellites.
Ground wave.
Ionisation layers.
After confirmation that there is no other radio-traffic, we call on a VHF working channel of a coast-station. When you don’t get any reply:
You can repeat your call immediately.
You must wait 3 minute minimum before repeating your call.
You must wait 5 minutes before repeating the call.
You must wait 1 minute minimum before repeating your call.
A VHF transmission range is mainly determined by:
The height of the aerial.
The transmission power, propagation and the quality of the receiver.
Whether it is radio-telephony, radio-telex or DSC.
The ocean region.
The impedance of a coax cable for the VHF-set depends on:
The structure dimensions and the material of the coax cable.
The length of the coax cable.
The temperature of the cable.
The way in which the feed line is controlled.
What is the meaning of the abbreviation “RQ” at the end of a DSC sequence?
Acknowledgement broadcast.
Acknowledgement request.
End of sequence.
Problem of transmission.
The number of oscillations of a wave per seconds is called:
Frequency.
Wavelength.
Period.
Class of emission.
At what minimum height above sea level a SART transponder must be mounted?
0,5 metre.
1 metre.
The good working of a SART transponder doesn’t depend on the height above sea level.
2 metres.
What do you do after receiving a VHF DSC DISTRESS call?
You set watch on VHF channel 16.
You set watch on channel 13.
You send immediately a DSC DISTRESS ACKNOWLEDGEMENT call.
You send immediately a DSC DISTRESS RELAY call.
The MERSAR is:
A fully automated system for mutual assistance and rescue of persons at sea.
A book for communication regulations at sea.
A book of directions for search and rescue at sea.
A survey of vessels favourably located for possible rescue during SAR operations.
The safety message announces that a station:
Is going to be under repairs.
Is in serious and imminent danger and needs immediate assistance.
Will relay a message concerning an important navigational or meteorological warning.
Has an very urgent message concerning the safety of a vessel, a plane or another means of conveyance.
By wave length is understood:
The distance travelled by a radio vibration in a period.
The propagation direction of a radio vibration.
The length of a single spike in a wave.
The propagation speed of a radio vibration in free space.
According to the rule of GMDSS, channel 70 is used for:
Distress traffic.
Urgent communications.
Alerting.
Distress and urgency traffic.
With help of DSC a ship wants to contact a coast-station to have a question for telephone call. One has to choose from the following DSC-frequencies:
TX: 8 415,5 kHz RX:8 415,5 kHz.
TX: 8 415,0 kHz RX:8 436,5 kHz.
TX: 8 415,0 kHz RX:8 415,0 kHz.
TX: 8 436,5 kHz RX:8 436,5 kHz.
Which equipment will detect a signal from a SART transponder?
S band radar.
DSC receiver.
X band radar.
Radio Direction Finder.
When sending an OBS (weather report) with Inmarsat one should use Service Code “41”. With this address the weather report will always be transmitted to:
KNMI in Holland.
The meteorological office of the ship’s flag state.
The meteorological station connected with the CES used.
MET office Washington, this office will take care of further dispatch of the weather reports.
How are the NAVTEX areas identified?
By two letters.
By one letter.
By one letter and one digit.
By one digit.
In what HF-band is long distance transmission possible when both stations are located in Darkness?
8 MHz.
16 MHz.
4 MHz.
22 MHz.
What is the emergency frequency on MF (Medium Frequency) radio?
2 182 Hz.
2 617 Hz.
1 616 Hz.
1 718 Hz.
The type of Inmarsat station A, B, C, M is recognized by:
The first four digits of the identification.
Last digit of the identification.
The first two digits of the identification.
The first digit of the identification.
When sending an OBS (weather report) with Inmarsat one should use Service Code “41”. With this address the weather report will always be transmitted to:
The meteorological office of the ship’s flag state.
MET office Washington, this office will take care of further dispatch of the weather reports.
The meteorological station connected with the CES used.
KNMI in Holland.
What is understood by carrier frequency?
Frequency of the carrier wave.
The frequency of upper side band (UBS).
The frequency actually used by transmitter and receiver.
Frequency of single side band.
The wavelength of a radio-signal reflected against the F-layer may be:
150 m.
15 m.
1,5 m.
15 cm.
The hydrostatic release of an EPIRB should be changed:
Every 2 years.
Every 4 years.
Yearly.
Every 3 years.
A vessel is equipped for all sea areas. In the middle of the Indian Ocean the EGC-receiver appears out of order. Is it still possible to receive MSI-messages?
No.
Yes, with the MF/HF-DSC.
Yes, with VHF DSC.
Yes, with the MF/HF-radio telex.
Which International Convention introduced the GMDSS?
STCW.
SOLAS.
MERSAR.
GMDSS.
Dish aerials are used with:
None of the mentioned.
Inmarsat-A and -C.
Inmarsat-B and -M.
Inmarsat-C and -M.
In the Maritime Radio Traffic the order of priority is:
Urgency traffic, distress traffic, safety traffic.
Urgency traffic, safety traffic, routine traffic.
Distress traffic, urgency traffic, safety traffic.
Safety traffic, distress traffic, urgency traffic.
By frequency is meant:
Time lapse of vibrations.
Number of vibrations.
Number of vibrations per unit of time.
Wave length of a loop.
If a ship according to the rules of GMDSS is equipped with an MF/HF radio set a DSC listening watch must be kept on:
2 187,5 kHz, 8 414,5 kHz and for instance 12 577,0 kHz.
All DSC distress frequencies.
2 182 kHz and channel 70.
8 414,5 kHz and on at least one of the following DSC frequencies: 4 207,5 kHz, 6 312,0 kHz, 12 577,0 kHz or 16 804,5 kHz.
You have an important navigational or meteorological warning to transmit. What call should proceed this message when made on the radio telephone?
MAYDAY MAYDAY (3 times).
PAN PAN (3 times).
SECURITE SECURITE (3 times).
VICTOR VICTOR (3 times).
For how long time should a SART transponder be able to operate in the active mode?
6 hours.
8 hours.
96 hours.
24 hours.
The word CHANNEL is spelled conform the international phonetic alphabet:
Charlie, Hotel, Able, November, November, Echo, Liverpool.
Cornelies, Hotel, Alfa, November, November, Echo, Lima.
Charlie, Hotel, Alfa, November, November, Echo, Lima.
Cornelies, Hotel, Apple, November, November, Echo, Land.
Of the AM-signal:
Amplitude is variable and frequency of the carrier wave is constant.
Both amplitude and frequency of the carrier wave are variable.
Is not dependant on the frequency and amplitude.
Amplitude and frequency of the carrier wave are constant.
The Inmarsat-satellites are located:
In a geostationary orbit at approximally 1 000 km Altitude.
Above the equator.
Between Lat 70° N and 70° S.
Alternatively above the poles and the equator.
In the traffic list a coast-station indicates that there is a radio telex-message for a vessel. To call for the message one should put in:
After ga + the radio telex-command msg + ?
After ga + ? the radio telex-command msg +.
After ga + the radio telex-command msg +.
After ga + the telex number of the ship.
The ship-shore HF-telephone-channel 2 228 consists of the frequencies 22 081,0 kHz and 22 777,0 kHz. In case of manual operation, one should tune the receiver on:
22 777,0 kHz.
22 081,0 kHz.
2 228 kHz.
The common receiving frequency for the 22 MHz band.
According to the rules of GMDSS vessels equipped for all sea areas have to be provided with:
406,0 MHz Cospas-Sarsat EPIRB.
1,6 GHz Inmarsat/DSC EPIRB.
156,3 kHz EPIRB.
121,5/243,0 MHz VHF EPIRB.
The MF/HF-transceiver on board is tuned to the assigned frequency of a station. To make this connection the following mode is used:
J2B.
J3E.
H3E.
G3E.
In the Inmarsat Maritime Communications Handbook one can find information about:
Ship’s Inmarsat Id’s.
2 digit code telex services.
Radio telex commands.
Numbers of fax subscribers.
The Satellite orbit in the Cospas-Sarsat system is:
Geostationary.
Helio-synchronous.
Polar.
Semi-geostationary.
To get proper conversation discipline in maritime radio traffic:
Every available VHF-channel should always be used.
Only after permission by captain, to send and/or receive on a VHF-channel pointed out the master.
Communication should be done only as per company’s prescribed schedule.
Only necessary radio conversations are made in a concise and businesslike way.
A battery of 24 Volt supplies during 10 hours a current of 6 ampere. What is the capacity supplied?
60 Ah.
144 Ah.
48 Ah.
240 Ah.
The compulsory testing of a prescribed EPIRB is to be done:
Once a week.
Once in 4 years.
Once a month.
Once a year.
The correct functioning of a DSC-modem can be checked by means of:
The built-in test facility in the modem.
Tester provided with the equipment.
The obligatory monthly transmission from the RCC’s.
The testing-mode of the ever present VHF-DSC-EPIRB.
When on HF band a DSC distress alert is received, you have to listen to:
2 182 kHz.
8 414,5 kHz (DSC distress frequency in 8 MHz).
The radio telephony distress frequency in the band in which the DSC distress alert was received.
The radio-telex distress frequency in the band in which the DSC distress alert was received.
The DSC-controller display the following: DOO: 244562000 CH16; S distress sinking. After receiving this DSC message the following is done immediately:
Give a “DSC-acknowledgement”.
Listen out on VHF channel 16.
Call the Chief officer.
Send a “distress alert relay”.
When a character in the NAVTEX message sent is not received in the proper way:
A closely resembling character will be printed.
The message will not be printed at all until, with repeated transmission, it can be automatically compared and corrected.
Nothing or a special character will be printed.
Any other character will be printed.
What is the proper term used to describe a coast radio station that primarily handles chargeable ship-to-shore message traffic of a routine nature?
Network Coordination Station.
Mobile Radio Service.
Accounting authority.
Public Correspondence Station.
If requested by a coastal radio station to participate in a rescue operation, what is the most important information you may give?
Your position, name, call sign and speed.
Your own cargo owner.
Your crews nationality.
Your destination.
Silencing by a station, not in charge of the distress-traffic, is done as follows:
“SEELONCE MAYDAY” followed by the call-sign of the ship in distress.
“SILENCE DISTRESS” followed by call sign of the ship in distress.
“SEELONCE MAYDAY” followed by the silencing station’s call-sign.
“SEELONCE DISTRESS” followed by the silencing station’s call-sign.
The category of a DSC-call determines:
For whom the message is destined.
How the rest of the call is to be composed.
The degree of priority.
How to conduct search and rescue.
The sensitivity of a communication receiver can be adjusted with:
Clarifier.
RF-gain.
AF-gain.
Squelch.
If a coast-station doesn’t answer a call on VHF working channel or doesn’t send a reply signal:
You can repeat your call immediately when convinced that no other radio traffic is interfered with.
You can repeat your call after 2 minutes.
You must call on another working channel.
You must call on distress channel.
An EPIRB has been activated accidentally. Which of the following is correct for cancelling the false distress alert?
Call the nearest coast station and inform it that a false distress alert has been transmitted.
Send a distress priority VHF DSC call and make broadcast to all stations.
Make broadcast to all stations on VHF 16.
Call a LUT and inform it.
DSC uses for automatic identification the MMSI. The identification 002442000 is assigned to:
A coast-station or coast guard-station.
A group of vessels.
A type of vessels.
A vessel.
Via a coast-station radio medical advice is asked using NBDP. What command has to be given after ga +?
Medical.
med +.
pan +.
38 +.
Добро пожаловать на страницу, где вы можете пройти онлайн CES тест (Crew Evaluation Test) по «Radio Communication GMDSS» (радио коммуникация, ГМССБ). Этот тест предназначен для морских специалистов, желающих улучшить свои навыки в области радио коммуникации и ознакомиться с Глобальной морской системой спасения и безопасности (ГМССБ) через эффективное электронное обучение и оценочную тренировку.
Основные характеристики теста:
Версии: 4.1, 5.0, 5.1, 6.0.0.
Тип теста: STCW.
Должность: Officer.
Уровень: Radio communication.
Область: GMDSS.
CES тесты, предоставляемые компанией Seagull (ныне OTG), являются надежным онлайновым инструментом для оценки базовых знаний моряков и определения потребностей в профессиональной подготовке, необходимой для успешной навигации и обеспечения безопасности на море в соответствии с международными стандартами.
Ocean Technologies Group при создании вопросов теста учли множество аспектов радио коммуникации и ГМССБ, включая:
Управление кризисными ситуациями и скоплением людей.
Интегрированная навигационная система.
Управление балластными водами.
Обработка и укладка грузов.
Управление эксплуатацией судна и обеспечение безопасности.
Морская инженерия.
Техническое обслуживание и ремонт, и многие другие темы.
Эта страница содержит вопросы Seagull CES по теме «Radio Communication, GMDSS», которые собраны из тестового симулятора. Эти вопросы могут быть использованы для проверки компетентности команды судна или для самопроверки.
Тема "Радио коммуникация, ГМССБ" крайне важна на судне, так как обеспечивает связь с внешним миром и способствует безопасности плавания. ГМССБ, в частности, играет ключевую роль в срочных ситуациях и спасательных операциях. Капитан и специалисты по радиосвязи на судне отвечают за правильную работу систем связи, передачу информации и по...
Відгуки можуть залишати лише моряки. Щоб залишити відгук, зайдіть на сайт під обліковим записом моряка.
16.05.2024
Good study
Автопереклад