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Question 1

The period of high or low tide during which there is no movement of the water is called?

Answer 1

Slack Tide

Question 2

When you are steering on a pair of range lights and find the upper light is in line with the lower light you should

Answer 2

Continue on present course

Question 3

A vessel’s position should be plotted using bearings of what?

Answer 3

Fixed objects on shore

Question 4

Spring Tides are tides that have….

Answer 4

lower lows and higher highs than normal

Question 5

Steam Fog, known as “sea smoke” is most common during what season

Answer 5

in the fall

Question 6

The Local notice to Mariners is published when?

Answer 6

Weekly by the Coast Guard

Question 7

The difference between the low and high tide is known as the what?

Answer 7

Range

Question 8

On the East and West coasts of the US, Charted depths are taken from the…..

Answer 8

Mean Lowest low of water

Question 9

When the sun and the moon are in alignment, what type of tide occurs?

Answer 9

Spring Tide

Question 10

When the sun and the moon are at right angles to each other, what type of tides occur?

Answer 10

Neap Tide

Question 11

A local wind which occurs during the daytime and is caused by the different rates of warming of land waters is a….

Answer 11

sea breeze

Question 12

Wind resulting from a land mass cooling more quickly at night than water is a….

Answer 12

Land Breeze

Question 13

The Scale on a chart is given as 1:5,000,000. This means that….

Answer 13

1 inch is equal to 5,000,00 inches on the earth’s surface

Question 14

Which symbol on a weather chart represents a cold front?

Answer 14

Line with blue Triangles

Question 15

what is the weather chart symbol for an occluded front?

Answer 15

Line with purple half circles and triangles

Question 16

The distance along a track line is measured on a Mercator chart by using the what?

Answer 16

Latitude scale nearest the track line

Question 17

What is the most important source of information to be used in correcting charts?

Answer 17

Notice To Mariners

Question 18

Which Government Agency publishes the US Coast Pilot?

Answer 18

National Ocean Service

Question 19

we only use what to measure distance on Nautical Charts?

Answer 19

Latitude

Question 20

Direction on Nautical charts is referred to….

Answer 20

True North

Question 21

True North is different than Magnetic North. The difference is called what?

Answer 21

Variation

Question 22

What is the average of the lower low water height of each tidal day for over 19 years called

Answer 22

Mean lower low water

Question 23

A fathom is how many feet?

Answer 23

6

Question 24

1 minute of Latitude is equal to?

Answer 24

1 nautical mile

Question 25

what Navigation rules govern Block Island Sound?

Answer 25

International

Question 26

The difference in height between the high tide and the low tide is called the what?

Answer 26

Tidal range

Question 27

Most costal areas in the US experience how many high tides and low tides every lunar day?

Answer 27

2

Question 28

what is the outgoing tide called?

Answer 28

Ebb Tide

Question 29

What is the incoming tide along the coast and into the bays and estuaries called?

Answer 29

Flood Tide

Question 30

The Wind pattern that generally influences movement of frontal systems over North America is the what?

Answer 30

Prevailing Westerly's

Question 31

winds are deflected by what

Answer 31

The Earth's rotation

Question 32

Backing Winds go in a ____________ Direction

Answer 32

Counter Clockwise

Question 33

Veering winds move in a__________ direction

Answer 33

Clockwise

Question 34

What causes the air to begin turning as it flows along the ground or high in the air?

Answer 34

The Earth's rotation

Question 35

What is the driving force behind the weather?

Answer 35

The sun

Question 36

The rise and fall of the ocean's surface due to a distant storm is know as what?

Answer 36

Swell

Question 37

You will find the variation on a Mercator chart where?

Answer 37

On the compass rose

Question 38

The lunar or tidal day is what?

Answer 38

50 minutes longer than a solar day