Capt Test

Question 0

A DR plot should always be started from:

Answer 0

A known position

Question 1

Magnetic north differs from true north by:

Answer 1

Variation

Question 2

Weather systems in the US generally travel from:

west to east

Answer 2

west to east

Question 3

In which source could you find the number of a chart for a certain geographic area?
Catalog of nautical charts

Answer 3

Catalog of nautical charts

Question 4

The difference between the heights of low and high tide is th e:
range

Answer 4

range

Question 5

Buoys which only mark the left or right side of the channel will never exhibit a light with which characteristics?
composite flashing group

Answer 5

composite flashing group

Question 6

What agency established and maintains aids to navigation in the US?
Coast Guard

Answer 6

Coast Guard

Question 7

The chart projection widely used for navigation is the :

Mercator

Answer 7

Mercator

Question 8

Chart legends which indicate a conspicuous landmark are printed in:
Capital letters

Answer 8

Capital letters

Question 9

When navigating a vessel you:

Should never rely on a floating aid to maintain its exact position.

Answer 9

Never rely on floating position to be exact

Question 10

Which of the buoys could be used to mark anchorage?

Yellow buoy lettered “N”

Answer 10

Yellow buoy lettered “N”

Question 11

In the northern hemisphere, a wind that shifts counterclockwise is a:
backing wind

Answer 11

backing wind

Question 12

The direction of the surface wind is/are:

deflected by the earths rotation

Answer 12

deflected by the earths rotation

Question 13

The reference datum used in determining the heights of land features on most charts is:
Mean high water

Answer 13

Mean high water

Question 14

A line of position formed by sighting two charted objects in a direct line is called a(n)?
Range line

Answer 14

Range line

Question 15

A buoy with a composite group-flashing light indicates a(n)?

preferred channel

Answer 15

preferred channel

Question 16

Light lists for coastal waters are:

correct only to the date of publication

Answer 16

correct only to the date of publication

Question 17

Green lights may appear on:

horizontally banded buoys

Answer 17

HBB

Question 18

How many high waters usually occur each day on the East Coast of the US?

Answer 18

Two

Question 19

Spring tides occur:

When the sun, moon, and earth are nearly in line

Answer 19

S,M, E are in nearly in line.

Question 20

Mean lower low water is the reference plan used for:

soundings on the east and west coast

Answer 20

soundings on the east and west coast only

Question 21

Which government agency publishes the US Coast Pilot

National Ocean Service

Answer 21

NOS

Question 22

What indicates a buoy that should be left to port when entering from seaward?
odd number

Answer 22

odd number

Question 23

On a weather chart, a warm front is indicated by what symbol?
Line with red half circles on one side

Answer 23

RHC

Question 24

A position obtained using only the vessels course and speed from a known position is a:
Dead reckoning position

Answer 24

DRP

Question 25

Spring tides are tides that:

Have lower lows and higher highs than normal

Answer 25

HHLL

Question 26

A light preferred channel buoy may show a:

Composite group flashing light

Answer 26

CGFL

Question 27

When the sun and moon are at right angles to each other, which type tide occurs?
Neap

Answer 27

Neap

Question 28

A spherical topmark is used on what type of aid to assist in its identification?
Safe water mark

Answer 28

SWM

Question 29

Safe water buoys may show only:

White lights

Answer 29

WL

Question 30

Light lists for coastal waters are:

Correct only to the date of publication

Answer 30

CDP

Question 31

A spherical buoy may be:

lettered

Answer 31

lettered

Question 32

Yellow lights may appear on:

Special purpose buoys

Answer 32

SPB

Question 33

What is the most important source of information to be used in correcting charts and keeping them up to date?
Notice to Mariners

Answer 33

N2M

Question 34

Navigational marks used for informational or regulatory purposes are:
white with orange geographical shapes

Answer 34

white/orange

Question 35

Mariners are first warned of serious defects or important changes to aids to navigation by means of:
Marine broadcast notice to mariners

Answer 35

Marine broadcast notice to mariners

Question 36

Deviation is a compass is caused by the:

influence of the magnetic materials of the vessel.

Answer 36

influence of the magnetic materials of the vessel