Nav Rules #1

1.

5 points

BOTH INTERNATIONAL & INLAND If practical, when shall a manned vessel being towed sound her fog signal?

As close to the mid-cycle of the towing vessel's signals as possible

Immediately before the towing vessel sounds hers

At any time as long as the interval is correct

Immediately after the towing vessel sounds hers

2.

5 points

BOTH INTERNATIONAL & INLAND The rules require which factor to be taken into account when determining safe speed?

The location of vessels detected by radar

The experience of the vessel's crew

The construction of the vessel

All of the above

3.

5 points

INLAND ONLY A power-driven vessel, when leaving a dock or berth, is required to sound __________.

one prolonged blast

one long blast

No signal is required.

four short blasts

4.

5 points

BOTH INTERNATIONAL & INLAND A vessel, which is unable to maneuver due to some exceptional circumstance, shall exhibit __________.

during the day, three shapes, the highest and lowest being balls and the middle being a diamond

when making way at night, two all-round red lights, sidelights, and a stern light

when making way at night, masthead lights, sidelights, and a stern light

during the day, three balls in a vertical line

5.

5 points

BOTH INTERNATIONAL & INLAND In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should __________.

take avoiding action as soon as possible

hold course and speed until the other vessel is sighted

sound the danger signal at two-minute intervals

stop your engines

6.

5 points

BOTH INTERNATIONAL & INLAND You are making headway in fog and hear a fog signal of two prolonged blasts on your starboard quarter. You should __________.

stop your vessel

change course to the right

hold your course and speed

change course to the left

7.

5 points

BOTH INTERNATIONAL & INLAND Which vessel shall NOT show her sidelights?

A fishing vessel that is not making way

A vessel engaged in underwater operations

A sailing vessel which is becalmed

A vessel that is not under command making way

8.

5 points

BOTH INTERNATIONAL & INLAND While underway in fog, you hear a prolonged blast from another vessel. This signal indicates a __________.

sailboat making way

power-driven vessel making way

power-driven vessel making way, towing

vessel being towed

9.

5 points

BOTH INTERNATIONAL & INLAND All of the following are distress signals EXCEPT __________.

firing a gun at intervals of about a minute

the continuous sounding of any fog signal apparatus

giving five or more short and rapid blasts of the whistle

a barrel with burning oil in it, on deck

10.

5 points

BOTH INTERNATIONAL & INLAND If a rowboat underway does NOT show the lights specified for a sailing vessel underway, it shall show a __________.

white light from sunset to sunrise

white light shown in sufficient time to prevent collision

combined lantern showing green to starboard and red to port and shown in sufficient time to prevent collision

combined lantern showing green to starboard and red to port and shown from sunset to sunrise

11.

5 points

BOTH INTERNATIONAL & INLAND Which is NOT a distress signal?

Vertical motion of a white lantern at night

Flames on a vessel

Dye marker on the water

Code flags "November" and "Charlie"

12.

5 points

INLAND ONLY A light used to signal passing intentions must be an __________.

all-round yellow light only

all-round white or yellow light

all-round white light only

alternating red and yellow light

13.

5 points

INLAND ONLY What shall be used to indicate the presence of a partly submerged object being towed?

A black cone, apex downward

An all-round white light at each end of the tow

A flare-up light

All of the above

14.

5 points

BOTH INTERNATIONAL & INLAND Under the Rules, the term "vessel" includes __________.

All of the above

non-self-propelled raft

seaplanes

hovercrafts

15.

5 points

BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning risk of collision?

Risk of collision must be determined before any action can be taken by a vessel.

Risk of collision exists if the vessels will pass within half a mile of each other.

Risk of collision never exists if the compass bearing of the other vessel is changing.

Proper use shall be made of radar equipment to determine risk of collision.

16.

5 points

INLAND ONLY Your vessel is proceeding down a channel, and can safely navigate only within the channel. Another vessel is crossing your bow from port to starboard, and you are in doubt as to her intentions. Which statement is TRUE?

The sounding of the danger signal is optional.

The sounding of the danger signal is mandatory.

You should sound two short blasts.

You should sound one prolonged and two short blasts.

17.

5 points

BOTH INTERNATIONAL & INLAND You are at anchor in fog on a 120-meter power-driven vessel. You hear the fog signal of a vessel approaching off your port bow. You may sound __________.

one short, one prolonged, and one short blast

one prolonged blast

one prolonged, one short and one prolonged

two short blasts

18.

5 points

INLAND ONLY What is true of a "special flashing light"?

It is optional below the Baton Rouge Highway Bridge.

It flashes at the rate of 120 flashes per minute.

It may show through an arc of 180°.

All of the above

19.

5 points

INLAND ONLY You are overtaking another power-driven vessel in a narrow channel, and you wish to overtake on the other vessel's port side. You will sound a whistle signal of __________.

two prolonged blasts followed by two short blasts

two short blasts

one short blast

two prolonged blasts followed by one short blast

20.

5 points

BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing so as to involve risk of collision. Which statement is TRUE, according to the Rules?

If the give-way vessel takes action, she shall avoid changing course to starboard.

The vessel which has the other on her own port side shall keep out of the way.

The give-way vessel should keep the other vessel to her starboard.

If the stand-on vessel takes action, she shall avoid changing course to port.