NAV1 Midterm Quiz 4 WK 4 2022 2023 1
NAV1 Midterm Quiz 4 WK 4 2022 2023 1
NAV1 Midterm Quiz 4 WK 4 2022 2023 1
University of Cebu–LM
Education Towards Global Competitiveness
NAV. 1
MIDTERM
WEEK 4
NAME:_____________________ Date:__________
QUIZ 4:
1. What can be defined as the alternate rise and fall of the ocean water?
a. Tides b. Low tides
c. High tides d. Flood tides
2. Tides can be defined as the alternate rise and fall of the ocean water. Which is NOT
a cause of tide?
a.The gravitational force exerted on Earth by the Sun
b.The gravitational force exerted on Earth by the Moon
c. Rotation of the Earth
d. Rotation of the Planet
3. What type of tide where there will be a rise in sea level over a period of several
hours?
a. Flood tide b. High tide
c. Ebb tide d. Low tide
4. What type of tide where the water reaches its maximum level?
a. Flood tide b. High tide
c. Ebb tide d. Low tide
5. What type of tide where sea level keeps receding over several hours?
a. Flood tide b. High tide
c. Ebb tide d. Low tide
6. What is that elevation of the highest predicted astronomical tide expected to occur
at a specific tide station over the time period of 40 years?
a. Highest Astronomical Tide b. Mean Higher High Water
c. Mean High Water d. Mean Tide Level
7. What is that average of all the low water heights observed over the National Tidal
Datum Epoch?
8. Refer to the illustration below. Which of the following best describes item no.5?
a. Height of Tide
b. Drying Height
c. Observed Depth
d. Charted Depth (sounding)
a. Height of Tide
b. Drying Height
c. Observed Depth
d. Charted Depth (sounding)
a. Height of Tide
b. Drying Height
c. Observed Depth
d. Charted Depth (sounding)
5
7
6
________________________ Grade:_____________
Instructor