Coast Guard Test Exam,Questions And Correct Exams
Where would you find information concerning the duration of slack water? - ✔✔ Tidal Currents
Tables
Spring tides are tides that __________. - ✔✔ have lows lower than normal and highs higher than
normal
When there are small differences between the heights of two successive high tides or two low tides,
in a tidal day, the tides are called __________. - ✔✔ semidiurnal
The height of tide is the __________. - ✔✔ difference between the depth of the water and the area's
tidal datum
What is the definition of height of tide? - ✔✔ The vertical distance from the tidal datum to the level
of the water at any time
The distance between the surface of the water and the tidal datum is the __________. - ✔✔ height of
tide.
The diurnal inequality of the tides is caused by __________. - ✔✔ the declination of the Moon
The average height of the surface of the sea for all stages of the tide over a 19 year period is called
__________. - ✔✔ mean sea level
Mean high water is the average height of __________. - ✔✔ all high waters
Mean low water is the average height of __________. - ✔✔ all low waters
What does the term "tide" refer to? - ✔✔ Vertical movement of the water
, Priming of the tides occurs __________. - ✔✔ when the Moon is between new and first quarter and
between full and third quarter
Which statement is TRUE concerning equatorial tides? - ✔✔ The difference in height between
consecutive high or low tides is at a minimum.
Tropic tides are caused by? - ✔✔ Moon being at its maximum declination
When the Moon's declination is maximum north, which of the following will occur? - ✔✔ Tropic Tides
Which statement is TRUE concerning apogean tides? - ✔✔ They have a decreased range from normal.
An important lunar cycle affecting the tidal cycle is called the nodal period. How long is this cycle? -
✔✔ 19 years
In some parts of the world there is often a slight fall in tide during the middle of the high water
period. The effect is to create a longer period of stand at higher water. This special feature is called
a(n) __________. - ✔✔ double high water
The class of tide that prevails in the greatest number of important harbors on the Atlantic Coast is
__________. - ✔✔ semidiurnal
Neap tides occur when the __________. - ✔✔ Moon is in its first quarter and third quarter phases
Neap tides occur when - ✔✔ when the Sun and Moon are at approximately 90° to each other, as seen
from the Earth
Neap tides only occur - ✔✔ when the Moon is at quadrature
When the moon is at first quarter or third quarter phase, what type of tides will occur? - ✔✔ neap
Where would you find information concerning the duration of slack water? - ✔✔ Tidal Currents
Tables
Spring tides are tides that __________. - ✔✔ have lows lower than normal and highs higher than
normal
When there are small differences between the heights of two successive high tides or two low tides,
in a tidal day, the tides are called __________. - ✔✔ semidiurnal
The height of tide is the __________. - ✔✔ difference between the depth of the water and the area's
tidal datum
What is the definition of height of tide? - ✔✔ The vertical distance from the tidal datum to the level
of the water at any time
The distance between the surface of the water and the tidal datum is the __________. - ✔✔ height of
tide.
The diurnal inequality of the tides is caused by __________. - ✔✔ the declination of the Moon
The average height of the surface of the sea for all stages of the tide over a 19 year period is called
__________. - ✔✔ mean sea level
Mean high water is the average height of __________. - ✔✔ all high waters
Mean low water is the average height of __________. - ✔✔ all low waters
What does the term "tide" refer to? - ✔✔ Vertical movement of the water
, Priming of the tides occurs __________. - ✔✔ when the Moon is between new and first quarter and
between full and third quarter
Which statement is TRUE concerning equatorial tides? - ✔✔ The difference in height between
consecutive high or low tides is at a minimum.
Tropic tides are caused by? - ✔✔ Moon being at its maximum declination
When the Moon's declination is maximum north, which of the following will occur? - ✔✔ Tropic Tides
Which statement is TRUE concerning apogean tides? - ✔✔ They have a decreased range from normal.
An important lunar cycle affecting the tidal cycle is called the nodal period. How long is this cycle? -
✔✔ 19 years
In some parts of the world there is often a slight fall in tide during the middle of the high water
period. The effect is to create a longer period of stand at higher water. This special feature is called
a(n) __________. - ✔✔ double high water
The class of tide that prevails in the greatest number of important harbors on the Atlantic Coast is
__________. - ✔✔ semidiurnal
Neap tides occur when the __________. - ✔✔ Moon is in its first quarter and third quarter phases
Neap tides occur when - ✔✔ when the Sun and Moon are at approximately 90° to each other, as seen
from the Earth
Neap tides only occur - ✔✔ when the Moon is at quadrature
When the moon is at first quarter or third quarter phase, what type of tides will occur? - ✔✔ neap
