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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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A distress-call, onboard via RCC, may only be given Receipt if:
The manager orders.
OSC from the RCC concerned invites the vessels.
The OOW deems it necessary.
The captain orders.
The effect of reflection of the radio waves in the ionosphere on the range depends on:
The correct adjustment of the button band width.
The amount of ionisation.
The correct adjustment of the clarifier.
The correct adjustment of the dimmer.
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.
On area A2 the function “Transmission of ship to shore distress alerts” is mainly based on:
The use of INMARSAT Epirbs.
The use of MF DSC.
The use of SARSAT COSPAS Epirbs.
The use of VHF DSC.
Which of the following services is not provided by Inmarsat-C?
Telex.
Telephone.
Fleetnet.
Safetynet.
By reduced transmitting power is meant in VHF a power between:
100 watt.
0,5-1 watt.
6-25 watt.
5-10 watt.
For how long time should a “SARSAT COSPAS” epirb be able to operate on its batteries?
48 hours.
96 hours.
12 hours.
24 hours.
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.
VHF channel 6 is:
Public traffic channel.
Inter-ship channel.
Safety channel.
Intra-ship channel.
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.
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.
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.
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.
Onboard the following message is received on the DSC controller: DOO: 245329000 CH16; S distress ack 244123000. What station sent the distress acknowledgement?
245329000.
244123000.
002453290.
None of the given.
The ID of an Inmarsat-M station on board starts with:
6.
3.
1.
4.
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.
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.
VHF channel 15 is:
Public traffic channel.
Contra-ship channel.
Distress channel.
Inter-ship channel.
On the MF/HF transmitter-receiver there is a sensitivity control. Another name for this is:
RF-gain.
AF-gain.
AGC-gain.
LF-gain.
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).
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.
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.
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.
For a DSC-connection (no “distress alert”) with another vessel the following frequencies are used:
TX: 2 187,5 kHz RX: 2 187,5 kHz.
TX: 2 177,0 kHz RX: 2 177,0 kHz.
TX: 2 189,5 kHz RX: 2 189,5 kHz.
TX: 2 187,5 kHz RX: 2 182,0 kHz.
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.
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 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.
Via Inmarsat-C a message is sent to an Inmarsat-C mailbox with a positive delivery notification (PDN). The ground station will:
Send a PDN, if the message has arrived in the mailbox.
Not send any PDN for this message.
send no PDN’s with messages intended for the mailbox.
Send a PDN, as soon as the message is collected from the mailbox.
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.
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.
By the term “Stand by” the operator of a coast-station means that one should:
Give the position of the ship.
Wait on this channel for one hour.
Switch back to the calling channel.
Wait until the coast-station calls again.
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.
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.
The prescribed test of EPIRB, SART and portable VHF radio set must be entered in:
Equipment survey.
Maintenance manual.
Radio equipment manual.
Ship’s radio log.
The squelch on the control panel of a VHF-sat serves to:
Adjust the receivers volume.
Adjust the proportion of atmospheric noise in receiving the spoken word.
Adjust the threshold level for admitting signals and refusing noise.
Adjust the sound level of the signal received.
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.
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.
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 Satellite orbit in the Cospas-Sarsat system is:
Geostationary.
Helio-synchronous.
Polar.
Semi-geostationary.
MF communication is usually provided by:
None of the mentioned.
Sky wave.
Space wave.
Ground wave.
What is SITREP an abbreviation for:
Situation Report.
Ship Transmit Emergency Radio.
Survivor Indication Transponder Equipment.
Ship Indication Transmission Equipment.
The exact position of a 406 MHz COSPAS SARSAT EPIRB is eventually calculated by:
LUT.
The satellite.
Ship Manager.
The EPIRB.
With what system is a NAVTEX-message transmitted?
ARQ.
SELFEC.
JRC.
FEC.
Which word will precede an urgency message?
URGENCE.
PAN.
PAN-PAN.
MAYDAY.
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 word NAVTEX is spelled conform the international phonetic alphabet:
November, Apple, Victoria, Tango, Echo, X-mas.
November, Able, Valencia, Tripoli, Echo, Xantippe.
November, Alfa, Victor, Tango, Echo, X-ray.
November, Anna, Victor, Tango, Eduard, X-ray.
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.
What is the most important factor influencing the HF range?
The channel used.
The frequency used.
The power of the transmitter.
The size of the antenna.
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.
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.
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.
The “clarifier” has only effect during:
Receiving in mode J3E.
Transmitting in mode J3E.
Transmitting in mode H3E.
Receiving in mode H3E.
For how long time should a SART transponder be able to operate in the active mode?
6 hours.
8 hours.
96 hours.
24 hours.
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.
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.
What mode must be used on the MF/HF transmission when making a radiotelephone call?
J3E.
H3E.
F1B/J2B.
G3E.
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.
Which class of emission is used for VHF radio telephony transmissions?
J2B.
H3E.
G3E.
G2B.
Which word will precede a safety message?
PAN PAN.
SECURITY.
SAFETY.
URGENT.
Moored in a harbour, transmitting with a mariphone is:
Allowed in emergency only.
Allowed in consultation with harbour master.
Always allowed.
Not allowed.
The number of oscillations of a wave per seconds is called:
Class of emission.
Wavelength.
Period.
Frequency.
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 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.
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.
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.
If a ship in the MF-band wants to have a DSC-connection with a coast-station (no “distress alert” or a test alert) the following frequencies are chosen:
TX: 2 177,0 kHz RX: 2 189,5 kHz.
TX: 2 189,5 kHz RX: 2 177,0 kHz.
TX: 2 177,0 kHz RX: 2 177,0 kHz.
TX: 2 187,5 kHz RX: 2 182 kHz.
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.
The hydrostatic release of an EPIRB should be changed:
Every 2 years.
Every 4 years.
Yearly.
Every 3 years.
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.
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 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.
Long distance communication in the HF-bands depends on:
Weather conditions.
Satellites.
Ground wave.
Ionisation layers.
A distress alert sent by Inmarsat to an RCC is sent via:
LES.
The managers office.
LUT.
NCS.
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.
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.
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.
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.
At the end of a radio telex-connection, when a “store and forward” message has been transmitted, the coast-station at least gives a:
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.
Reference number.
Which of the following is a coast station MMSI?
227530000.
227005300.
2275300.
22753000.
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.
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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