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Heim Online-Tests CES Alle Arten von Schiffen 2nd-Off / 3rd-Off Test for Officers onboard about Radio Communication (GMDSS) (CES v6.0)
Online-Test: Test for Officers onboard about Radio Communication (GMDSS) (CES v6.0)
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What is the emergency frequency on MF (Medium Frequency) radio?
2 182 Hz.
2 617 Hz.
1 616 Hz.
1 718 Hz.
The position of a 406 MHz Cospas-Sarsat EPIRB is:
Passed on by the EPIRB to the satellite.
Measured by the “dopler” shift in the signals.
Transmitted by the ship.
Determined by satellites by means of directional aerials.
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 of the following is a ship MMSI?
1227200.
227530000.
22753000.
2275300.
MF communication is usually provided by:
None of the mentioned.
Sky wave.
Space wave.
Ground wave.
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.
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).
How will you start a cancelling message after you send by mistake a distress call on your VHF DSC equipment?
PAN-PAN – All Stations – This is “SAINT-ROMAIN”.
SECURITE – All Stations – This is “SAINT-ROMAIN”.
All Stations – This is “SAINT-ROMAIN”.
MAYDAY – All Stations – This is “SAINT-ROMAIN”.
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.
What do you understand by the initials EPIRB?
This means: Emergency Plotting Indicator Response Beacon.
This means: Emergency Position Indicating Radio Beacon.
This means: Emergency Personal Indicator Rescue Beacon.
This means: Emergency Plotting Indicator Rescue Beacon.
A distress alert on board may only be transmitted on explicit order of:
The radio officer.
The captain.
The navigating officer on duty.
The safety officer.
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.
Under GMDSS rules the trading area A1 can be considered to be:
Within range of VHF coast radio stations.
Within the coverage of Inmarsat.
Within range of MF coast radio stations.
Polar region.
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.
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.
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.
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 number of oscillations of a wave per seconds is called:
Frequency.
Wavelength.
Period.
Class of emission.
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.
How are the NAVTEX areas identified?
By two letters.
By one letter.
By one letter and one digit.
By one digit.
By the degree of selectivity of a receiver is meant:
Ability to receive all signals.
Ability to prevent variations in the strength of radio frequency signal received.
Ability to make weak stations audible.
Ability to distinguish weak stations from adjacent stronger stations.
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.
What are the NAVTEX messages categories which cannot be suppressed?
Satnav messages.
A, B, C.
Weather forecasts.
A, B, D.
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.
The distress message is used when the vessel is threatened by a serious and imminent danger and is in need of immediate assistance. What is the telegraphy and telephony distress message like?
F F F (Telegraphy) / RESCUE-RESCUE (Telephony).
X X X (Telegraphy) / PAN-PAN (Telephony).
T T T (Telegraphy) / SECURITE (Telephony).
S O S (Telegraphy) / MAYDAY (Telephony).
The wavelength of a radio-signal reflected against the F-layer may be:
150 m.
15 m.
1,5 m.
15 cm.
According to the rule of GMDSS, channel 70 is used for:
Distress traffic.
Urgent communications.
Alerting.
Distress and urgency traffic.
By reduced transmitting power is meant in VHF a power between:
100 watt.
0,5-1 watt.
6-25 watt.
5-10 watt.
In maritime communication two international treaties are primarily involved. They are:
SOLAS and the international treaty for messaging.
The SOLAS and its rules.
The IMO at London and the ITU at Geneva.
GMDSS hand book and MERSAR.
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.
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.
For how long time should a “SARSAT COSPAS” epirb be able to operate on its batteries?
48 hours.
96 hours.
12 hours.
24 hours.
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.
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.
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.
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.
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.
One can check the functioning of the SART by:
Activating the SART and checking the effect on the radar screen.
Removing it from the holder and turning the SART upside down.
Lowering SART in to the sea.
Activating it by extracting the antenna.
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.
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.
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.
With what system is a NAVTEX-message transmitted?
ARQ.
SELFEC.
JRC.
FEC.
The effect of reflection of the radio waves in the ionosphere on the range depends on:
The correct adjustment of the dimmer.
The amount of ionisation.
The correct adjustment of the button band width.
The correct adjustment of the clarifier.
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.
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.
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.
Distress MF communications should normally be operated:
In G3E mode – on simplex basis.
In J3E mode – on simplex basis.
In J3E mode – on duplex basis.
In G3E mode – on duplex basis.
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.
Inmarsat is short for:
International Maritime Satellite System.
International Maritime Satellite Organisation.
International Maritime Safety Organisation.
Internal Marine Safety Organisation.
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.
For how long time should a SART transponder be able to operate in the active mode?
6 hours.
8 hours.
96 hours.
24 hours.
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.
Which word will precede a routine message?
PAN-PAN.
ROUTINE.
MAYDAY.
No specific word will precede a routine message.
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.
The whip-antenna of the MF transceiver was lost in bad weather. The MF transceiver can be used again:
If the whip-antenna is replaced by an antenna of about the same length as the original one.
If instead of the whip-antenna, another whip-antenna such as the spare VHF antenna is connected.
Only if the whip-antenna is replaced by another whip-antenna of the same length.
If the whip-antenna is replaced by a Sat-C antenna.
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.
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.
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.
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.
VHF channel 6 is:
Public traffic channel.
Inter-ship channel.
Safety channel.
Intra-ship channel.
Command of radio-traffic between vessels and coast stations lies:
Always with the coast station.
With the station called.
With coast guard.
With the station that calls.
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.
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.
The ID of an Inmarsat-M station on board starts with:
6.
3.
1.
4.
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.
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.
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.
With maintenance of batteries it is of primary importance that:
The space where the batteries are stored is properly ventilated.
The space is not oily.
There is proper relative humidity in the space where the batteries are stored.
There is an absolute free access to the battery space.
The typical “daylight-frequencies” for long distance transmission are located in the:
VHF-band.
16 or 22 MHz-band.
4 or 6 MHz-band.
8 or 12 MHz-band.
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 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.
Which equipment will detect a signal from a SART transponder?
S band radar.
DSC receiver.
X band radar.
Radio Direction Finder.
What does the abbreviation DSC means?
Distress and safety call.
Distress Selective Call.
Digital Selective Call.
Digital Safety Call.
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.
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.
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.
You wish to send an e-mail using the Inmarsat-C installation. The message has to be composed in:
X25.
The 400 protocol.
ASCII.
National language of the LES.
On board one can use the reflections in the ionosphere by the right choice of:
The length of the aerial.
The time of transmission.
The type of equipment.
The mode of transmission.
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.
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.
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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