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nav 3 midterm quiz 1

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Why is running fix used by mariners at sea?

a)

To measure fuel usage

b)

To estimate ship’s speed

c)

To determine ship’s position

d)

To reduce crew workload

2.

When is running fix most commonly applied?

a)

During radar detection

b)

During sonar operation

c)

During GPS unavailability

d)

During anchor deployment

3.

What does the running fix method require?

a)

Use of sonar signals

b)

Use of radar systems

c)

Use of visual bearings

d)

Use of fuel readings

4.

Where is the running fix plotted on board?

a)

On the ship’s radar

b)

On the engine panel

c)

On the navigation chart

d)

On the fuel monitor

5.

How does running fix improve safety onboard?

a)

By reducing crew fatigue

b)

By increasing fuel savings

c)

By ensuring accurate position

d)

By improving engine control

6.

Why are two bearings taken in running fix?

a)

To measure wind speed

b)

To reduce fuel usage

c)

To improve position accuracy

d)

To increase crew morale

7.

When should the second bearing be taken?

a)

After anchor is dropped

b)

After one hour of sailing

c)

After fuel is consumed

d)

After engine is started

8.

What does L.O.P stand for in navigation?

a)

Line of Position

b)

Level of Precision

c)

Location of Port

d)

Latitude of Point

9.

Where is the dead reckoning position used?

a)

In fuel calculation

b)

In crew scheduling

c)

In position estimation

d)

In anchor deployment

10.

How is the running fix position determined?

a)

By sonar detection

b)

By radar reflection

c)

By bearing intersection

d)

By fuel measurement

11.

Why must bearings be accurate in plotting?

a)

To reduce fuel usage

b)

To improve engine speed

c)

To ensure correct position

d)

To increase crew morale

12.

When is visibility most critical for fix?

a)

During engine failure

b)

During fuel shortage

c)

During poor weather

d)

During crew fatigue

13.

What environmental factor affects fix?

a)

Fuel consumption rate

b)

Wind and current flow

c)

Crew working hours

d)

Anchor chain length

14.

Where does the running fix method excel?

a)

In open calm waters

b)

In radar detection zones

c)

In GPS-denied areas

d)

In anchor deployment zones

15.

How does running fix aid triangulation?

a)

By reducing fuel usage

b)

By increasing crew morale

c)

By improving position accuracy

d)

By enhancing engine control

16.

Why is dipping range used by mariners?

a)

To measure fuel usage

b)

To reduce crew fatigue

c)

To estimate vessel position

d)

To increase engine speed

17.

When is geographic range most useful?

a)

During foggy weather

b)

During anchor drop

c)

During clear horizon

d)

During crew rest time

18.

What does luminous range depend on?

a)

Fuel consumption rate

b)

Atmospheric condition

c)

Crew working hours

d)

Anchor chain length

19.

Where is nominal range information found?

a)

In crew logbook

b)

In fuel register

c)

In Admiralty List

d)

In anchor manual

20.

How does observer height affect range?

a)

By reducing fuel usage

b)

By increasing visibility

c)

By improving engine speed

d)

By enhancing crew morale

21.

Why are white lights more visible at sea?

a)

Due to crew preference

b)

Due to fuel efficiency

c)

Due to longer wavelength

d)

Due to anchor position

22.

When can background lights cause issues?

a)

During daylight hours

b)

During radar detection

c)

During nighttime sailing

d)

During anchor retrieval

23.

What is the purpose of visual bearings?

a)

To measure fuel usage

b)

To reduce crew fatigue

c)

To determine ship’s position

d)

To increase engine speed

24.

Where are light ranges most effective?

a)

In foggy conditions

b)

In clear weather

c)

In anchor zones

d)

In fuel stations

25.

How do mariners use light triangulation?

a)

To measure fuel usage

b)

To reduce crew fatigue

c)

To pinpoint ship location

d)

To increase engine speed

26.

Why is running fix taught in training?

a)

To reduce crew fatigue

b)

To improve engine speed

c)

To enhance navigation skill

d)

To increase fuel savings

27.

When is running fix most beneficial?

a)

During radar detection

b)

During sonar operation

c)

During GPS failure

d)

During anchor drop

28.

What does the intersection of L.O.Ps show?

a)

Crew working hours

b)

Fuel consumption rate

c)

Ship’s exact position

d)

Anchor chain length

29.

Where should bearings be plotted onboard?

a)

On engine panel

b)

On fuel monitor

c)

On navigation chart

d)

On anchor manual

30.

How does running fix support safe travel?

a)

By reducing crew fatigue

b)

By increasing fuel savings

c)

By ensuring accurate position

d)

By improving engine control