Тест по ГМССБ (CES v5.0)

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Правильні відповіді:
1

Direct or space wave (line of sight) propagation in the VHF and UHF bands mainly involve:

Ваша відповідь правильна:

AIS, SART, EPIRB, Inmarsat Fleet communications.
2

For what period of time should an EPIRB be able to operate on its batteries to meet the regulations relating to GMDSS?

Ваша відповідь правильна:

48 hours.
3

How should a satellite antenna be mounted for approval in the GMDSS?

Ваша відповідь правильна:

With free line of sight in every direction.
4

In relation to GMDSS what does the acronym MSI stand for?

Ваша відповідь правильна:

Maritime Safety Information.
5

In relation to GMDSS what does the acronym RCC stand for?

Правильну відповідь:

Rescue Coordination Centre.

Ваша відповідь:

Resource Coordinating Centre.
6

In which sea area are vessels required to carry either INMARSAT or HF equipment, or combination of both under GMDSS?

Ваша відповідь правильна:

A3.
7

On which VHF DSC channel should all GMDSS equipped ships keep watch?

Ваша відповідь правильна:

Channel 70.
8

What does the acronym GMDSS stand for in relation to communications on board ships?

Ваша відповідь правильна:

Global Maritime Distress and Safety System.
9

What is Tropospheric Propagation?

Ваша відповідь правильна:

It is the propagation of a space wave directly or after reflecting from earth’s surface to the troposphere surface of the earth.
10

What is the coverage of Inmarsat’s geostationary satellites in relation to GMDSS?

Ваша відповідь правильна:

Global, except the polar areas.
11

What is the most important factor for the range of a VHF radio station?

Ваша відповідь правильна:

The height of the antenna.
12

What is the most important factor for the range of a HF radio station?

Ваша відповідь правильна:

The frequency.
13

What is the name of the international convention, that regulates GMDSS?

Ваша відповідь правильна:

STCW.
14

What is the propagation path taken by the radio signal on the VHF Channel 16?

Ваша відповідь правильна:

Direct wave (line of sight).
15

What is the two-digit “Special Access Code” or “Short Access Code” or “SAC”, designated for maritime safety services, when requesting for medical advice under the context of GMDSS?

Ваша відповідь правильна:

32.
16

What is the two-digit “Special Access Code” or “Short Access Code” or “SAC”, designated for maritime safety services, when requesting for Search and Rescue (SAR) assistance under the context of GMDSS?

Ваша відповідь правильна:

39.
17

What should be the very first step for a GMDSS radio operator to take, when initiating a distress priority message via Inmarsat Fleet terminal?

Ваша відповідь правильна:

Pressing the “Distress Button” or “Distress Hot Key” on the equipment.
18

Which VHF channel should be used for bridge-to-bridge communications, concerning safety of navigation and manoeuvring in the GMDSS?

Ваша відповідь правильна:

Channel 13.
19

Which is the distress and safety frequency for MF DSC?

Ваша відповідь правильна:

2 187.5 kHz.
20

Which one of the certificates given in the options is required to be held by an operator on a GMDSS ship trading in all sea areas?

Ваша відповідь правильна:

GOC.
21

Which one of the following EPIRB transmits a distress alert, that is received and relayed by Inmarsat satellites globally?

Ваша відповідь правильна:

406 MHz EPIRB.
22

Which one of the following Inmarsat services has the exceptional features of “Prioritization” and “Pre-emption” in the Global Maritime and Safety System (GMDSS)?

Ваша відповідь правильна:

Inmarsat-Fleet 77.
23

Which one of the given options best completes the following statement. “In relation to GMDSS, F1B is used for”:

Правильну відповідь:

TLX radio telex.

Ваша відповідь:

VHF telephony.
24

Which one of the given options best completes the following statement. “In relation to GMDSS, F3E is used for”:

Правильну відповідь:

VHF telephony.

Ваша відповідь:

SSB radiotelephony.
25

Which one of the given options best completes the following statement. “In relation to GMDSS, J3E is used for”:

Ваша відповідь правильна:

SSB radiotelephony.
26

Which one of the given options best completes the following statement. “In relation to GMDSS, sea area A1 means an area”:

Ваша відповідь правильна:

Within coverage of, at least, one Coast Station with VHF DSC and telephony.
27

Which one of the given options best completes the following statement. “In relation to GMDSS, sea area A2 means an area”:

Ваша відповідь правильна:

Within coverage of, at least, one Coast Station with MF DSC and telephony.
28

Which one of the given options best completes the following statement. “In relation to GMDSS, sea area A3 means an area”:

Ваша відповідь правильна:

Within coverage of an Inmarsat geostationary satellite.
29

Which one of the given options best completes the following statement. “In relation to GMDSS, sea area A4 means an area”:

Ваша відповідь правильна:

Which is outside areas A1, A2 and A3.
30

Which one of the given options best completes the following statement. “One of the most important advantages with GMDSS is that”:

Ваша відповідь правильна:

A ship in distress should always be able to send a ship-to-shore distress alert.
31

Which one of the given options best completes the following statement. “Ship-to-ship distress alerting is primarily based on”:

Ваша відповідь правильна:

Digital selective calling in the VHF and MF bands.
32

Which one of the phrases, given in the options, most accurately completes the following statement? Among the services, provided by Inmarsat-Fleet 77 in the context of Global Maritime Distress and Safety System (GMDSS), the foremost is:

Ваша відповідь правильна:

Global mobile voice and flexible data communications services.
33

Which one of the phrases, given in the options, most accurately completes the following statement? The Inmarsat system communicates through:

Ваша відповідь правильна:

Space wave.
34

Which one of the phrases, given in the options, most accurately completes the following statement? The propagation path, used by HF signals, from the SSB radio transceiver to achieve long-range communications, is:

Ваша відповідь правильна:

The sky wave.
35

Which one of the phrases, given in the options, most accurately completes the following statement? The two-digit codes, that are designated for maritime safety and general services are referred as:

Ваша відповідь правильна:

Special Access Codes or Short Access Codes.
36

Which one of the phrases, given in the options, most accurately completes the following statement? When selecting a HF band for a particular range, the one important advice is:

Ваша відповідь правильна:

To select a higher frequency in the band by day, and lower frequency in the night.
37

Which one of the systems given in the options most accurately completes the following statement? In the Global Maritime Distress and Safety System (GMDSS), the ISDN (Integrated Services Digital Network) and MPDS (Mobile Packet Data Service) data communication facility is available using:

Ваша відповідь правильна:

Inmarsat-Fleet 77.
38

Which piece of equipment on the bridge is used for locating a SART?

Ваша відповідь правильна:

3 cm (9 GHz) Radar.
39

Why is Channel 16 a simplex channel under the GMDSS context?

Ваша відповідь правильна:

Every ship within coverage should be able to hear and communicate.
40

Why should the SART be mounted as high as possible in the survival craft in relation to GMDSS?

Ваша відповідь правильна:

To increase the range.
41

You have received the 9-digit MMSI of a ship in distress. In which ITU publication can you find the name of the ship?

Ваша відповідь правильна:

List of call signs and numerical identities.
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