OUPV - NAVIGATION GENERAL (Tides & Currents) Quiz -

NAVIGATION GENERAL (Tides & Currents) Quiz

*IMPORTANT*
It is highly recommended that you master this quiz with a final test score of 100%, prior to scheduling your final exam.
*You will have a better test day outcome if you do this*

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Category: OUPV – NAVIGATION GENERAL – Tides & Currents

In the Gulf of Mexico and lower Atlantic Coast, how many daily slack high tides usually occur?

a) one

b) two

c) three

d) four

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Category: OUPV – NAVIGATION GENERAL – Tides & Currents

What is an EBB TIDE?

a) Moving into shore, level rising.

b) Moving out from shore, level falling.

c) Moving out from shore, level rising.

d) Moving in from shore, level falling.

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Category: OUPV – NAVIGATION GENERAL – Tides & Currents

A tide coming towards the beach would be considered a(n):

a) Ebb.

b) Strong.

c) Rip.

d) Flood.

4 / 12

Category: OUPV – NAVIGATION GENERAL – Tides & Currents

The height of a tide in your area is -3.5 feet and your charted depth of water is 36 feet. What is your actual depth?

a) 3.5 feet

b) 32.5 feet

c) 35 feet

d) 39.5 feet

5 / 12

Category: OUPV – NAVIGATION GENERAL – Tides & Currents

What is a Spring Tide?

a) A tide occurring when the sun and moon are in alignment.

b) Height of the tide during the spring.

c) A tide that occurs when the moon is in its first and third quarter.

d) A tide that flows in and out quickly.

6 / 12

Category: OUPV – NAVIGATION GENERAL – Tides & Currents

You are proceeding up a channel and observe that your vessel is making greater speed than your station log would indicate. The stage of the tide at that time would be:

a) Rip tide

b) Flood tide

c) Ebb tide

d) Slack tide

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Category: OUPV – NAVIGATION GENERAL – Tides & Currents

What is the difference between a high tide and a low tide?

a) Slack.

b) Standing.

c) Mean difference.

d) Range of the tide.

8 / 12

Category: OUPV – NAVIGATION GENERAL – Tides & Currents

Which statement is true regarding information from a Tide Table?

a) Gives the true depth reading.

b) Must be added to high datum.

c) Must be subtracted from high datum.

d) Must be added to or subtracted from charted depth.

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Category: OUPV – NAVIGATION GENERAL – Tides & Currents

What is the range of a tide?

a) The distance the tide moves out from shore.

b) The duration of time between high and low water.

c) The difference in heights of high and low water.

d) The maximum depth of the water at high tide.

10 / 12

Category: OUPV – NAVIGATION GENERAL – Tides & Currents

Your tide table states that low tide at your location is at 1545. If the height of the tide taken from the tide table at 1545 is -2.5 and the charted depth is 12 feet, what is the actual depth of the water at low tide?

a) 2.5 feet

b) 14.5 feet

c) 9.5 feet

d) none of the above

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Category: OUPV – NAVIGATION GENERAL – Tides & Currents

What is the point where the horizontal rise or fall of a tide has stopped?

a) Slack water.

b) The Rip tide.

c) The Stand of the tide.

d) The reverse tide.

12 / 12

Category: OUPV – NAVIGATION GENERAL – Tides & Currents

What would an emerged post or obstruction form?

a) V-shaped ripple with the point of the V pointing upstream.

b) V-shaped ripple with the point of the V pointing downstream.

c) Small patch of smooth water.

d) Smoothing out of the vessel’s wake.

Your score is

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