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Головна Онлайн-тести CES Усі типи судів 2nd-Off / 3rd-Off 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
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Is it necessary to state the accounting code of the vessel in fully automated radio telex-traffic with a coast-station?
Yes.
No, because the AAIC is included in the radio telex-identification.
No, when AAIC is unknown, it will be asked for.
It depend upon your location.
Which class of emission is used for VHF radio telephony transmissions?
J2B.
H3E.
G3E.
G2B.
The word SHIP is spelled conform the international phonetic alphabet:
Singapore, Hotel, India, Paris.
Sugar, Hotel, Italia, Peter.
Sierra, Hotel, India, Papa.
Sierra, Hotel, Item, Papa.
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.
What is SITREP an abbreviation for:
Situation Report.
Ship Transmit Emergency Radio.
Survivor Indication Transponder Equipment.
Ship Indication Transmission Equipment.
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.
According to the rules of GMDSS vessels one must be able to receive MSI with the aid of:
EPIRB and SART.
Emergency portable radio.
NAVTEX and EGC-receiver.
HF and VHF DSC-encoder.
The log-in of an Inmarsat-C installation is important:
To inform the NSC that one is available for messages offered.
To keep watch on Sat-C for safety messages.
To inform the LES, that one is available for messages offered.
To inform the addressee, that one is available for messages offered.
On which frequency a ship must maintain a continuous watch when sailing in area A2?
2 182 kHz.
2 187,5 kHz.
8 414,5 kHz.
4 207,5 kHz.
The following information must be given on the SART:
The name of the operator.
Date of replacement of the batteries.
The MMSI number sent.
The date of replacement of the hydrostatic release unit.
Define the class of emission H3E:
Radiotelex and DSC – Frequency shift keying of carrier with error correction.
Radiotelex and DSC – Frequency shift keying of sub-carrier with error correction.
Radiotelephony – Single sideband full carrier.
Radiotelephony – Frequency modulation.
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.
When a satellite receives a “distress alert” from a Cospas-Sarsat EPIRB, the relay of the “distress alert” can be delayed because the satellite cannot immediately contact a:
LES before the satellite is actually seen by this ground station.
Coast station.
LUT before the satellite is actually seen by this ground station.
NCS before the satellite is actually seen by this ground station.
What statement is correct with frequency modulation?
The amplitude fluctuating an LF-rhythm.
Frequency modulation is often applied in the maritime VHF-range (band).
The amplitude remain constant.
The frequency is constant.
Dish aerials are used with:
None of the mentioned.
Inmarsat-A and -C.
Inmarsat-B and -M.
Inmarsat-C and -M.
In radio telephony what is the “URGENCY CALL” which should be used to indicate that you have a very urgent message to transmit concerning the safety of another vessel or person?
MAYDAY-MAYDAY (3 times).
SECURITE-SECURITE (3 times).
PAN-PAN (3 times).
Victor-Victor (3 times).
According to the rules of GMDSS all vessels have to be equipped with:
On both sides an EPIRB.
A VHF in captains cabin.
A possibility to receive MSI.
At least three mariphones.
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 after 2 minutes.
You must call on distress channel.
You must call on another working channel.
You can repeat your call immediately when convinced that no other radio traffic is interfered with.
Of the AM-signal:
Amplitude and frequency of the carrier wave are constant.
Both amplitude and frequency of the carrier wave are variable.
Is not dependent on the frequency and amplitude.
Amplitude is variable and frequency of the carrier wave is constant.
A Cospas-Sarsat EPIRB can be used in:
Only in the sea-areas A1, A2 and A3.
Only in the sea-areas A2 and A3.
All sea-areas (A1 to A4).
Only in sea-area A4.
In what HF-band is long distance transmission possible when both stations are located in Darkness?
8 MHz.
16 MHz.
4 MHz.
22 MHz.
In radio-telex distress traffic preference is given to FEC because:
The system automatically requests repetition when reception garbled.
Everybody can read along.
A record is maintained.
Reporting is faster.
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.
At the entrance to the space where batteries are stored on board the following notice must be fitted:
Electrician only.
Keep access free.
No entry with naked light and/or flame.
Crew only.
Which type of call will be sent by a ship adrift and needing the assistance of a tug? The weather is not bad and the ship will be aground 24 hours later.
Distress relay call.
Distress call.
Safety call.
Urgent call.
What does the abbreviation VHF means?
Very High Frequency.
Visual High Frequency.
Variable Hertz Frequency.
Variable High Frequency.
Reflection of radio waves in the ionosphere depends on:
The speed of the waves.
The propagation speed of propagation.
The chosen mode of transmission.
Sunspots.
The different layers in the ionosphere, important for radio propagation, are effected by:
Direction of the antenna.
The weather conditions.
The distance between the transmitter and the receiver.
The Sun.
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.
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.
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.
The number of oscillations of a wave per seconds is called:
Frequency.
Wavelength.
Period.
Class of emission.
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.
On board they want to have a dial-phone call via Inmarsat with the Apollogracht. In the guides the following ID’s are found for the Apollogracht: 344320000, 424432010, 424432020, 1300210, 36715. What ID should be chosen?
1300210.
424432020.
344320000.
424432010.
A DSC distress alert is received. The message states that communication by radiotelex is prefered. One preferably uses:
JRC mode.
ARQ mode.
SELFEC mode.
FEC mode.
The authority to order the use of distress signal or distress alerts is:
The first person to discover the distress situation.
The person designated to maintain communication during distress situations.
Only with the master.
Company safety officer.
By reduced transmitting power is meant in VHF a power between:
100 watt.
0,5-1 watt.
6-25 watt.
5-10 watt.
Which wave length applies to a frequency of 2 000 kHz?
1 500 mtr.
15 mtr.
15 000 mtr.
150 mtr.
An area within the radiotelephone coverage of at least one VHF coast station in which continuous DSC alerting is available is called:
ASN1.
Coastal area.
A1.
A2.
A satellite receives the transmissions of the 406 MHz Cospas-Sarsat EPIRB. The transmissions of the EPIRB will be:
Always passed on to a LUT.
Exclusively passed on to a LUT only between 70° N and 70° S.
Exclusively passed on to a LUT if the satellite sees both the EPIRB and the LUT.
Passed when the satellite in passing the equator.
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.
An area within the radiotelephone coverage of at least one VHF coast station in which continuous DSC alerting is available is called:
ASN1.
A1.
Coastal area.
A2.
With what system is a NAVTEX-message transmitted?
ARQ.
SELFEC.
JRC.
FEC.
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.
What mode must be used on the MF/HF transmission when making a radiotelephone call?
J3E.
H3E.
F1B/J2B.
G3E.
How are the NAVTEX areas identified?
By two letters.
By one letter.
By one letter and one digit.
By one digit.
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.
On board you have to switch from transmitting to receiving and vice versa. The shore station can transmit and receive simultaneously. You are working with two different frequencies. This method is called:
Semi-duplex.
Duplex.
Semi-simplex.
Simplex.
The traffic list of a coast-station is a list of:
Call-signs of ships for which a radio-telephone call, a telegram or another call is intended.
Name of ship’s scheduled for berthing.
Pertinent navigational and weather information.
Names of ships which, on behalf of safety at sea, are being routed by a traffic control system.
To choose the HF-band, the time difference between 2 stations:
Is hardly relevant.
Is important.
Is irrelevent.
Is multiplied by the hour at the transmitting station.
If messages are received which aren’t intended for own ship:
They must be noted in the radio log book.
They must only be passed to the master.
They must be forwarded to the company.
They must not be used for any purpose.
The altitude effect of the reflection of radio waves in the ionosphere on the transmission range also depends on:
The day/night situation.
The equipment used.
The sensitivity of the receiver.
The position of the pre-selector tuning-button.
What information has to be given to set up a radio telex-connection with a coast-station:
Telex number of the coast station.
FEC followed by the telex country-code of the coast-station.
ARQ followed by the call sign of the coast station.
ARQ followed by the coast-station’s ID-number.
The transmitting receiving method, when both stations can transmit and receive at the same time is called:
None of the mentioned.
Duplex.
Semi-duplex.
Simplex.
The battery of an EPIRB should be changed:
Every 3 years.
Yearly.
Every 2 years.
Every 4 years.
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.
Which of the following is a ship MMSI?
1227200.
227530000.
22753000.
2275300.
On area A4 the function “Transmission of ship to shore distress alerts” is mainly based on:
The use of VHF DSC and VHF Epirbs.
The use of HF DSC and COSPAS SARSAT Epirbs.
The use of HF DSC and Inmarsat Epirbs.
The use of MF DSC and Inmarsat Epirbs.
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.
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.
What is the first function of GMDSS?
Transmission and reception of on scene communication.
Transmission of ship to shore alerts.
Reception of shore to ship distress alerts.
Transmission and reception of signals for locating.
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 type-indication of the radio set is mentioned in:
The equipment appendix.
Registry certificate.
The safety certificate.
The survey of equipment.
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.
Sea area A4 is in maritime radio traffic sea area:
Outside the sea areas A1, A2 and A3.
Upto 12 miles of land.
With the exception of sea areas A1, A2 and A3, within the range of Inmarsat-satellites, where continuous alarm is available.
Within VHF-radiotelephony-range of coast station, where continuous DSC-alarm is available.
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 wavelength of a radio-signal reflected against the F-layer may be:
150 m.
15 m.
1,5 m.
15 cm.
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 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.
The number of oscillations of a wave per seconds is called:
Class of emission.
Wavelength.
Period.
Frequency.
The display of the DSC-controller on board is showing the following lines: RX: 002442000; CH87; D Sellcall Routine. We’re asked to listen on:
VHF-channel 16.
Channel Delta of the coast station.
VHF-channel 87.
Radio telephony-channel 7 in the 8 MHz band.
What is the emergency frequency on MF (Medium Frequency) radio?
2 182 Hz.
2 617 Hz.
1 616 Hz.
1 718 Hz.
The prescribed periodic tests of the radio set must be entered in:
Equipment manual.
Ship’s deck log.
Manual maritime radio communication.
Radio Log.
Which of the following frequencies is used by the NAVTEX system?
121,5 MHz.
156,8 MHz.
2 182 kHz.
518 kHz.
According to the rule of GMDSS, channel 70 is used for:
Distress traffic.
Urgent communications.
Alerting.
Distress and urgency traffic.
Which word will precede a safety message?
PAN PAN.
SECURITY.
SAFETY.
URGENT.
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.
All designated SAR aircraft and civil aircraft carry equipment operating on the international aeronautical distress frequencies (amplitude modulation). The aeronautical distress frequencies are:
123,8 MHz and/or 247,6 MHz.
243,1 MHz and/or 486,2 MHz.
127,8 MHz and/or 71,6 MHz.
121,5 MHz and/or 243,0 MHz.
With an EPIRB:
You must check the working of the charger and check the loaded condition of the battery.
You must check the date the battery must be replaced.
You must check the manufacturer of the battery.
You must check if it is attached properly to a railing with the required line.
Is it necessary to state the accounting code of the vessel in fully automated radio telex-traffic with a coast-station?
No, when AAIC is unknown, it will be asked for.
Yes.
No, because the AAIC is included in the radio telex-identification.
It depend upon your location.
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...
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16.05.2024
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