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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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The Satellite orbit in the Cospas-Sarsat system is:
Geostationary.
Helio-synchronous.
Polar.
Semi-geostationary.
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.
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.
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.
Which of the following is a coast station MMSI?
227530000.
227005300.
2275300.
22753000.
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.
The frequency 121,5 MHz is used for:
SART transponder.
DSS VHF calls.
SARSAT-COSPAS EPIRBS.
INMARSAT E EPIRBS.
The ID of an Inmarsat-M station on board starts with:
6.
3.
1.
4.
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.
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.
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.
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.
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.
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 mode must be used on the MF/HF transmission when making a radiotelephone call?
J3E.
H3E.
F1B/J2B.
G3E.
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.
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.
What is SITREP an abbreviation for:
Situation Report.
Ship Transmit Emergency Radio.
Survivor Indication Transponder Equipment.
Ship Indication Transmission Equipment.
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.
The prescribed periodic tests of the radio set must be entered in:
Equipment manual.
Ship’s deck log.
Manual maritime radio communication.
Radio Log.
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.
Which of the following is a ship MMSI?
1227200.
227530000.
22753000.
2275300.
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.
Urgent call.
Distress call.
Safety call.
The hydrostatic release of an EPIRB should be changed:
Every 2 years.
Every 4 years.
Yearly.
Every 3 years.
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.
The type-indication of the radio set is mentioned in:
The equipment appendix.
Registry certificate.
The safety certificate.
The survey of equipment.
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.
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.
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.
Give the command after ga + for the transmission of a “store and forward”-message with radio-telex:
tlxstf.
sta…+.
stf…+.
tlx..+.
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.
Which word will precede a safety message?
PAN PAN.
SECURITY.
SAFETY.
URGENT.
The exact position of a 406 MHz COSPAS SARSAT EPIRB is eventually calculated by:
LUT.
The satellite.
Ship Manager.
The EPIRB.
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.
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).
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.
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.
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.
Inmarsat is short for:
International Maritime Satellite System.
International Maritime Satellite Organisation.
International Maritime Safety Organisation.
Internal Marine Safety Organisation.
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).
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.
In what HF-band is long distance transmission possible when both stations are located in Darkness?
8 MHz.
16 MHz.
4 MHz.
22 MHz.
Which word will precede an urgency message?
URGENCE.
PAN.
PAN-PAN.
MAYDAY.
Modulation is:
To enhance the side bands in relation to the carrier wave.
Deleting carrier wave.
Blending LF & HF signals.
Detecting frequency.
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.
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.
You want to send a DSC-call in connection with a shore telephone-call. You must choose:
Urgency.
Routine.
Distress.
Safety.
The number of oscillations of a wave per seconds is called:
Class of emission.
Wavelength.
Period.
Frequency.
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.
By reduced transmitting power is meant in VHF a power between:
100 watt.
0,5-1 watt.
6-25 watt.
5-10 watt.
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.
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 ideal aerial length depends on:
The weather conditions.
The frequency chosen.
The modulation form chosen.
The class of transmission.
The number of oscillations of a wave per seconds is called:
Frequency.
Wavelength.
Period.
Class of emission.
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.
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.
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.
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 DSC-notice should be sent on VHF-channel:
67.
16.
70.
13.
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.
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.
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.
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.
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.
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.
Dish aerials are used with:
Inmarsat-A and -C.
None of the mentioned.
Inmarsat-B and -M.
Inmarsat-C and -M.
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.
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 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.
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.
Which of the following services is not provided by Inmarsat-C?
Telex.
Telephone.
Fleetnet.
Safetynet.
What is the two letter signal, to be used by flags, radiotelephony or radiotelegraphy, meaning “Calling All Ships”?
AS.
CA.
CQ.
TT.
The battery of an EPIRB should be changed:
Every 3 years.
Yearly.
Every 2 years.
Every 4 years.
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 HF-band is generally suitable for long distance transmission if one of two stations is Located in twilight?
22 MHz.
16 MHz.
4 MHz.
12 MHz.
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.
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.
What is the acronym FR 01?
MSI.
AAIC.
Call sign.
MMSI.
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.
VHF channel 15 is:
Public traffic channel.
Contra-ship channel.
Distress channel.
Inter-ship channel.
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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