E
.
Learndmv
DMV PRACTICE
Toggle navigation
Find your state
Exam types
Practice tests
Sign in
Create account
↗
← Leave quiz
USCG Rules of the Road Practice Test
Practice mode
Question
1
of 25
QUESTION 1 / 25
What would a vessel towing a barge show at the stern of the tow vessel?
Choose one answer below.
A
towing light above the stern light.
✓
B
sign indicating the vessel's length.
✓
C
No additional lights are needed.
✓
D
red light only.
✓
QUESTION 2 / 25
Which rule addresses sailing vessels encountering each other?
Choose one answer below.
A
Rule 12
✓
B
Rule 14
✓
C
Rule 18
✓
D
Rule 21
✓
QUESTION 3 / 25
What sound signals should vessels not under command use?
Choose one answer below.
A
Three short blasts
✓
B
Two prolonged blasts at intervals of not more than one minute
✓
C
One prolonged blast
✓
D
No sound signals are required
✓
QUESTION 4 / 25
According to Rule 21, what are the lighting requirements for a vessel anchored at night?
Choose one answer below.
A
It must display appropriate anchor lights
✓
B
It should remain completely dark
✓
C
It must flash its sailing lights
✓
D
It should shine a spotlight continuously
✓
QUESTION 5 / 25
In situations where multiple vessels are meeting, how should the vessels maintain safety?
Choose one answer below.
A
By standing on and not giving way
✓
B
By altering course and speed as necessary
✓
C
By using sound signals exclusively
✓
D
By anchoring until the situation clears
✓
QUESTION 6 / 25
What should a vessel do when meeting in fog, where visibility is limited?
Choose one answer below.
A
Speed up to clear the area
✓
B
Reduce speed and sound appropriate signals
✓
C
Anchor immediately
✓
D
Continue at normal speed to pass
✓
QUESTION 7 / 25
When displaying a signal indicating doubt about another vessel’s actions, how many short blasts should be given?
Choose one answer below.
A
One
✓
B
Two
✓
C
Three
✓
D
Five
✓
QUESTION 8 / 25
When intending to overtake a vessel in a narrow channel on the port side, how should you signal your intentions?
Choose one answer below.
A
Sound one prolonged blast
✓
B
Sound two prolonged followed by two short blasts
✓
C
Sound three short blasts
✓
D
Sound one short blast
✓
QUESTION 9 / 25
What type of vessel is indicated if a vessel shows two shapes, one black ball above a diamond?
Choose one answer below.
A
vessel engaged in fishing
✓
B
vessel restricted in its ability to maneuver
✓
C
vessel servicing a pipeline
✓
D
vessel not under command
✓
QUESTION 10 / 25
During what conditions is a vessel required to display a day shape of ball-diamond-ball?
Choose one answer below.
A
When engaging in fishing activities.
✓
B
When towing a vessel.
✓
C
When restricted in her ability to maneuver.
✓
D
When aground.
✓
QUESTION 11 / 25
A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show which light(s)?
Choose one answer below.
A
One masthead light
✓
B
Two masthead lights in a vertical line instead of either the forward or after masthead lights
✓
C
Two sidelights
✓
D
special flashing light
✓
QUESTION 12 / 25
During poor visibility, what must vessels do according to the Rules?
Choose one answer below.
A
Stop navigating until visibility improves
✓
B
Proceeds at full speed while sounding signals
✓
C
Display navigation lights and proceed at a safe speed
✓
D
Use visual signals instead of lights
✓
QUESTION 13 / 25
What should vessels regularly do to ensure safety when navigating in crowded waters?
Choose one answer below.
A
rely solely on radio communications
✓
B
manually check their navigation lights
✓
C
maintain a vigilant look-out
✓
D
stay anchored
✓
QUESTION 14 / 25
While underway in fog, what should you do upon hearing two short blasts on the whistle from a vessel ahead?
Choose one answer below.
A
Speed up to pass quickly
✓
B
Reduce speed and keep a lookout
✓
C
Sound only fog signals until the other vessel is sighted
✓
D
Course change to the right
✓
QUESTION 15 / 25
What is required from vessels navigating in fog according to the Rules?
Choose one answer below.
A
They must travel under all sail
✓
B
They must make frequent sound signals
✓
C
They must turn off all lights
✓
D
They must increase their speed
✓
QUESTION 16 / 25
While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. Which action should you take?
Choose one answer below.
A
Sound your fog signals only until the other vessel is sighted
✓
B
Increase your speed to get ahead
✓
C
Sound one prolonged blast in reply
✓
D
Change your course immediately
✓
QUESTION 17 / 25
According to Rule 10, when navigating in a traffic separation scheme, which side should vessels keep to?
Choose one answer below.
A
Either side as they choose
✓
B
The side that allows for the most space
✓
C
The side designated for their direction of travel
✓
D
The side closest to the shore
✓
QUESTION 18 / 25
While underway in fog, you hear another vessel sounding two prolonged blasts every two minutes. What does this signal indicate?
Choose one answer below.
A
vessel is approaching
✓
B
vessel is drifting
✓
C
vessel is anchored
✓
D
vessel is maneuvering
✓
QUESTION 19 / 25
When shall a proper look-out be maintained?
Choose one answer below.
A
only during dawn and dusk
✓
B
at all times
✓
C
when navigating in narrow channels
✓
D
only in conditions of reduced visibility
✓
QUESTION 20 / 25
When is "risk of collision" considered to exist?
Choose one answer below.
A
if the vessels are moving in opposite directions
✓
B
when there is any doubt that a risk of collision exists
✓
C
only when vessels are within a certain distance
✓
D
when the lights of the other vessel are visible
✓
QUESTION 21 / 25
Which of the following is a characteristic of a stand-on vessel?
Choose one answer below.
A
Must give way to the other vessel
✓
B
Is required to maintain course and speed
✓
C
Can alter course or speed freely
✓
D
Is always a powered vessel
✓
QUESTION 22 / 25
Which factor is NOT considered in determining the risk of collision?
Choose one answer below.
A
The speed of the vessels involved.
✓
B
The visibility conditions.
✓
C
The color of the vessels' lights.
✓
D
The angle of approach between vessels.
✓
QUESTION 23 / 25
In which situation does a risk of collision exist?
Choose one answer below.
A
vessel is on your starboard quarter, range decreasing, bearing is constant
✓
B
vessel is on your port side, range increasing
✓
C
vessel is directly ahead, moving parallel
✓
D
vessel is crossing from your stern
✓
QUESTION 24 / 25
Which vessel is required to display a day shape for a vessel constrained by her draft?
Choose one answer below.
A
vessel under sail
✓
B
vessel at anchor
✓
C
vessel towing another
✓
D
vessel restricted in her ability to maneuver
✓
QUESTION 25 / 25
Which light(s) is/are required to be shown by a dredge at night to indicate the passing side of an obstruction?
Choose one answer below.
A
One red light
✓
B
Two green lights
✓
C
One white light
✓
D
Two red lights
✓
← Previous
0 of 25 answered
Next question →
Finish & see results →