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Главная Онлайн-тесты CES Все типы судов 2nd-Off / 3rd-Off Тест по Officers onboard about Radio Communication (GMDSS) (CES v6.0)
Онлайн-тестирование: Тест по Officers onboard about Radio Communication (GMDSS) (CES v6.0)
2
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Тест состоит из 80 случайных вопросов.
Всего вопросов по данной теме: 198
Всего вопросов по данной теме: 198
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For how long time should a “SARSAT COSPAS” epirb be able to operate on its batteries?
48 hours.
96 hours.
12 hours.
24 hours.
MUF stands for:
Most utilised frequency.
Highest possible frequency that will be reflected by the ionosphere.
Most effective frequency, to make a connection with an HF-transmitter.
Highest possible frequency that can be made with an HF-transmitter on board.
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.
Dish aerials are used with:
Inmarsat-A and -C.
None of the mentioned.
Inmarsat-B and -M.
Inmarsat-C and -M.
What is the emergency frequency on MF (Medium Frequency) radio?
2 182 Hz.
2 617 Hz.
1 616 Hz.
1 718 Hz.
Moored in a harbour, transmitting with a mariphone is:
Allowed in emergency only.
Allowed in consultation with harbour master.
Always allowed.
Not allowed.
By reduced transmitting power is meant in VHF a power between:
100 watt.
0,5-1 watt.
6-25 watt.
5-10 watt.
What is the purpose of the radiotelephony two tone alarm?
Alert COSPAS/SARSAT satellites.
Activate bridge watchkeeping receivers and attract the attention of the person on watch.
Attract the attention of the person on watch.
Activate bridge watchkeeping receivers.
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 number of oscillations of a wave per seconds is called:
Frequency.
Wavelength.
Period.
Class of emission.
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.
A SART must be visible on the ship’s radar from a distance of at least:
5 miles.
10 miles.
30 miles.
50 miles.
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 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 prescribed periodic tests of the radio set must be entered in:
Equipment manual.
Ship’s deck log.
Manual maritime radio communication.
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.
On area A3 the function “Transmission and reception of signals for locating” is mainly based on:
The use of SART transponders.
The use of SARSAT COSPAS Epirbs.
The use of MF DSC.
The use of HF DSC.
VHF channel 15 is:
Public traffic channel.
Contra-ship channel.
Distress channel.
Inter-ship channel.
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.
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.
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 sensitivity of a communication receiver can be adjusted with:
Clarifier.
RF-gain.
AF-gain.
Squelch.
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.
By frequency is meant:
Time lapse of vibrations.
Number of vibrations.
Number of vibrations per unit of time.
Wave length of a loop.
Which word will precede a routine message?
PAN-PAN.
ROUTINE.
MAYDAY.
No specific word will precede a routine message.
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 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.
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.
What mode must be used on the MF/HF transmission when making a radiotelephone call?
J3E.
H3E.
F1B/J2B.
G3E.
You receive a distress alert on HF Radio. What should you do?
Acknowledge receipt.
Wait three minutes and if no acknowledgement is heard from a coast station you should relay the alert.
No response is necessary providing the vessel is more than 24 hours away.
Relay the message immediately on 2 182 kHz.
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.
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.
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.
Automatic amplifier regulation is used for the following reasons:
With strong incoming signals distortion is reduced.
With weak incoming signals distortion is reduced.
With bad weather the signal is amplified.
With absence of incoming signals noise is reduced.
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.
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.
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.
What are the NAVTEX messages categories which cannot be suppressed?
A, B, D.
A, B, C.
Satnav messages.
Weather forecasts.
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”.
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.
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.
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.
The hydrostatic release of an EPIRB should be changed:
Every 2 years.
Every 4 years.
Yearly.
Every 3 years.
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.
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.
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 word SATCOM is spelled conform the international phonetic alphabet:
Sierra, Anna, Tango, Cornelies, Oslo, Mike.
Sierra, Able, Tango, Cornelies, Oslo, Man.
Sierra, Able, Tripoli, Charlie, Oscar, Mike.
Sierra, Alfa, Tango, Charlie, Oscar, Mike.
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.
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.
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.
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.
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.
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 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.
Which of the following is a ship MMSI?
1227200.
227530000.
22753000.
2275300.
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.
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 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.
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.
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.
The wavelength of a radio-signal reflected against the F-layer may be:
150 m.
15 m.
1,5 m.
15 cm.
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.
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).
MF communication is usually provided by:
None of the mentioned.
Sky wave.
Space wave.
Ground wave.
Via a coast-station radio medical advice is asked using NBDP. What command has to be given after ga +?
Medical.
med +.
pan +.
38 +.
When a DSC-message of the “distress” category is received, in order to start distress alert communication in so far as not indicated in the alert, you will switch to VHF channel:
67.
16.
13.
85.
Which of the following is a Accounting Authority Identification Code?
227990850.
F1B.
FR01.
2 187,5.
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 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.
What are the NAVTEX messages categories which cannot be suppressed?
Satnav messages.
A, B, C.
Weather forecasts.
A, B, D.
For how long time should a SART transponder be able to operate in the active mode?
6 hours.
8 hours.
96 hours.
24 hours.
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 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.
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.
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.
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.
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 the MF/HF transmitter-receiver there is a sensitivity control. Another name for this is:
RF-gain.
AF-gain.
AGC-gain.
LF-gain.
The number of oscillations of a wave per seconds is called:
Class of emission.
Wavelength.
Period.
Frequency.
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.
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...
