TERNAV (FINALS)

Question 1

What is the primary purpose of the Admiralty List of Radio Signals?

Answer 1

To provide information on vital maritime communication and navigation services

Question 2

What are Radio Navigational Warnings (RNWs) used for?

Answer 2

To alert mariners about new navigational hazards and changes

Question 3

What are the two main formats in which radio time signals are transmitted?

Answer 3

Audible voice messages and Morse code

Question 4

What information can be found in the ADMIRALTY List of Radio Signals regarding AMVER?

Answer 4

Procedures for reporting missing persons at sea

Question 5

Which publication does NOT exist in the context of maritime radio communications?

Answer 5

I DON’T KNOW

Question 6

How is Pub. No. 117 updated?

Answer 6

By downloading software updates or through NTM

Question 7

What limitations of maritime radio communication systems are explained in Pub. No. 117?

Answer 7

The range and effectiveness of various radio stations

Question 8

What is the main function of radio time signals for mariners?

Answer 8

To ensure accurate timekeeping and synchronization

Question 9

What does Volume 6 of the ADMIRALTY List of Radio Signals focus on?

Answer 9

Pilot services, vessel traffic systems, and port operations

Question 10

What type of information does ADRS 1, 3, 4, and 5 provide to bridge crews?

Answer 10

Assistance with routine radio communications and safety information

Question 11

What does a roundabout in a TSS represent?

Answer 11

An area for vessels to change course gradually

Question 12

What type of information do Routeing Charts NOT include?

Answer 12

List of Shipping companies and its Owners

Question 13

What information do wind roses on Routeing Charts provide?

Answer 13

The prevailing wind direction and frequency for each month

Question 14

What are the typical scales used in Admiralty Routeing Charts?

Answer 14

1:5,000,000, 1:10,000,000, and 1:20,000,000

Question 15

How do Routeing Charts assist bridge crews in high-level route planning?

Answer 15

They cover large geographical areas, enabling strategic route selection.

Question 16

What is the function of traffic lanes in a traffic separation scheme (TSS)?

Answer 16

To separate opposing streams of traffic for safer navigation

Question 17

What is the main purpose of load lines depicted on Routeing Charts?

Answer 17

To show the maximum safe draft of a vessel based on its stability

Question 18

How do precautionary areas differ from areas to be avoided on Routeing Charts?

Answer 18

Areas to be avoided are completely restricted to all vessels, while precautionary areas require extra caution.

Question 18

What is the benefit of using monthly charts in Routeing Charts?

Answer 18

They allow mariners to consider seasonal variations in weather and currents.

Question 19

What is the primary purpose of Admiralty Routeing Charts?

Answer 19

To assist in passage planning for ocean voyages

Question 20

How can understanding tidal patterns be helpful to navigation?

Answer 20

to plot safe passages through shallow coastal water

Question 21

Why might the ship navigator need to consult from both tidal charts and tide tables?

Answer 21

they provide different perspectives on the same information allowing for a more comprehensive understanding of tidal waters

Question 22

What is the purpose of using chart datum when displaying tidal information?

Answer 22

To provide a consistent reference point for measuring tides.

Question 23

How can atmospheric pressure affect the height of the tide?

Answer 23

Rising pressure increases the water level while falling pressure decreases it.

Question 24

What factors can cause short-term fluctuations in sea level, besides tide?

Answer 24

All of the above.

Question 25

Which of the following statements is true about tidal irregularities caused by waves?

Answer 25

They have various periods and can disrupt the regular patterns of high and low tides.

Question 26

What factors can cause irregularities in the timing of high and low tides?

Answer 26

Strong winds and changes in atmospheric pressure.

Question 27

What is the difference between MSL and chart datum?

Answer 27

MSL is global average while chart datum is specific to a location.

Question 28

Where is MSL typically measured?

Answer 28

At a specific time station with reference level.

Question 29

What does MSL represent if tides are not present?

Answer 29

The level of the sea surface in the absence of tides.

Question 29

What is the difference between MHWS spring and mean low water spring?

Answer 29

MHWS is the average height of all high spring tides while MLWS is the average of all low spring tides.

Question 30

What is the term used to describe the average water level at any moment excluding wave variations but including tides and surges?

Answer 30

Still water level

Question 31

What information is provided in tide tables?

Answer 31

Predictions of daily high and low tides times and heights.

Question 32

How often in a cycle do the values of high water spring, high water neap, low water neap and low water spring typically change?

Answer 32

Approximately every 18.6 years considering astronomical factors.

Question 33

What is horizontal movement? - current but since there’s no current in the option the answer is

Answer 33

tidal stream

Question 34

What is the difference between standard port and secondary port?

Answer 34

Standard port have tide predictions based on long-term observations while secondary ports don't.

Question 35

What is the main function of tide tables?

Answer 35

To predict daily high and low.

Question 36

What type of information do routing charts NOT include?

Answer 36

List of Shipping companies and its Owners

Question 37

What is the function of traffic lanes in a (TSS)

Answer 37

to separate opposing streams of traffic for safer navigation

Question 38

What does roundabout in GMDSS represent?

Answer 38

An area for the vessel to change course gradually.

Question 39

How do precautionary areas differ from areas to be avoided?

Answer 39

Areas to be avoided are completely restricted to all vessel. While precautionary areas require extra caution.

Question 40

Areas to be avoided are completely restricted to all vessel. While precautionary areas require extra caution.

Answer 40

The prevailing wind direction and frequency for each month

Question 41

What is the benefit of using monthly charts in routing charts?

Answer 41

They allow mariners to consider seasonal variations in weather and currents.

Question 42

What is the main purpose of load lines depicted on routine charts?

Answer 42

To show the maximum safe draft of a vessel based on its stability.

Question 43

What are the typical scales used in Admiralty routing charts?

Answer 43

1:5,000,000, 1:10,000,000, and 1:20,000,000

Question 44

What type of traffic is permitted in inshore traffic zone?

Answer 44

Only vessels with specific authorization or exemption.

Question 45

How do routing charts assist bridge crew/navigators in high level route planning?

Answer 45

They cover large geographical areas, enabling strategic route selection.

Question 46

What type of information does ADRS 1,3,4 and 5 provide to the navigators?

Answer 46

Assistance with routing, radio communications and safety information.

Question 47

What is the main function of radio time signals for mariners?

Answer 47

To ensure accurate timekeeping and synchronization.

Question 48

What is RNW (Radio Navigational Warning) used for?

Answer 48

To alert mariners about new navigational hazard and changes.

Question 49

Which publication does not exist in the context of maritime radio communication?

Answer 49

Radio time signal book.

Question 50

What does additional information does ADRS 2 offered compared to ADRS 1,3,4 and 5?

Answer 50

Positional and timekeeping references worldwide.

Question 51

What are the primary channels through which radio navigational warnings are disseminated?

Answer 51

Area warnings and NAVTEX broadcast.

Question 52

What type of information is NOT typically included in the admiralty list of radio signals?

Answer 52

Description of the capabilities and limitations of radio operators.

Question 53

What limitations of maritime radio communication systems are explained in Pub. No. 117?

Answer 53

The range and effectiveness of various radio stations