GMDSS

Question 1

The abbreviation of telephony mode of radiation using amplitude modulation; single sideband; full carrier

Answer 1

H3E

Question 2

Which frequency is an exclusive internation HF frequency for the transmission of NAVTEX type information?

Answer 2

4209.5

Question 3

When do NAVTEX broadcasts typically achieve maximum transmitting range?

Answer 3

middle of night

Question 4

Which equation shows right ratio between frequency ( f) and the wavelength (lambda) of radio waves?

Answer 4

f= c/lamda

Question 5

which sea area is defined as being within range of a shore based mf station that provides continous DSC Alerting?

Answer 5

A2

Question 6

are vhf radio waves reflected by the ionosphere

Answer 6

no

Question 7

what action should you take after sending a flase distress alert on MF?

Answer 7

make a voice announcment to cancel the alert on 2182

Question 8

on which hf dsc frequency must a watch always be maintained when sailing in sea area a3

Answer 8

8414,5

Question 9

the abbreviation of telephony mode of radiation using amplitute modulation, single sideban suppressed carrier

Answer 9

J3E

Question 10

which kind of station can have mmsi number 002184000 concrete coast station

Answer 10

concrete coast station

Question 11

ITU CH1216

12 freq 16ch
16 freq 12ch

Answer 11

12 freq 16ch

Question 12

Should lead batteries and NI-Cd batteries be located in the same battery room?

Answer 12

NO

Question 13

What is the minimum operation time of reserve source of energy on ships with an emergency energy source?

Answer 13

1hr

Question 14

which vhf channel does the vhf dsc use?

Answer 14

Ch 70

Question 15

how many pieces of sart must a ship of 5800 tons gross tonnage be provided with?

Answer 15

2 SARTS

Question 16

What action should you take after sending a false distress alert on 8mhz?

Answer 16

ALL SHIPS on 8291

Question 17

what is the minimum operation time of reserve source of energy on ships without an emergency energy source?

Answer 17

6 hours

Question 18

Urgency signal word

Answer 18

pan pan

Question 19

How many NAVAREAS in the world

Answer 19

21

Question 20

What device to check specific gravity of lead-acid baterries

Answer 20

hydrometer

Question 21

Which of the following frequencies is used internationally for ship to shore DSC calls on MF

Answer 21

2189.5hz

Question 22

how many pieces of portable GMDSS VHF transievers must a ship of 1700tons gross tonnage be provided with?

Answer 22

1

Question 23

frequency wavelength of 7.6m

Answer 23

40hz

Question 24

the abbreviation of telephony mode using phase modulation

Answer 24

F3E

Question 25

since 1st july 1997 every passenger ship shall be additionally provided with

Answer 25

second VHF station with DSC

Question 26

Which kind of station can have MMSI number 027795400

Answer 26

group of ships

Question 27

Which radioequipment is not necessary for ships sailing in A4

Answer 27

Inmarsat

Question 28

approximate range of MF radio waves during day time

Answer 28

150 NM

Question 29

how many SART for a ship of 5600 gross tonnage?

Answer 29

2

Question 30

Communication on J3E channel spacing

Answer 30

3.0 khz

Question 31

which sea area is defined as being withing range of a shore based mf station

Answer 31

A2

Question 32

what action to take when sending flase distress alert on VHF

Answer 32

Send a dsc on ch70

Question 33

total voltage of 2 batteries connected in series

Answer 33

24v 100ah

Question 34

What is the wavelength if freq is 6mhz

Answer 34

50m

Question 35

frequency range for MF

Answer 35

300-3000 khz