Meteo <3
Tides and Ocean Currents Quiz
Test your knowledge on tides and ocean currents with this engaging quiz! Dive into the fascinating world of marine science and see how well you understand the dynamics of our oceans.
- Multiple choice questions about tidal phenomena
- Learn new facts about ocean currents
- Perfect for enthusiasts and students alike!
Neap tide occurs at time of_________.
First and third quarter
Second and third quarter
First and fourth quarter
Second and fourth quarter
€¯A horizontal movement of water caused by gravitational interactions between the sun, moon, and earth is called_________.
Rise of tide
Tidal current
Diurnal
€¯The vertical distance from the chart sounding datum to a high water datum is called the______.
Tidal current
Diurnal
Rise of tide
€¯When only one high water and one low water occur during a tidal day, the tide is said to be____.
Diurnal
Rise of tide
Tidal current
€¯When the tide is diurnal, high and low waters occur__________.
Once a day
Twice a day
Once a month
€¯When high and low water occurs at about the same time each day, it is due to the effect of the_____.
Sun
Moon
Planet
€¯The periodic rise and fall of the water resulting from gravitational interactions between the sun, moon, and earth are called_______.
Height of tide
Tide
Perigean tide
€¯When the tide is semi-diurnal, high and low waters occurs________.
Once a day
Twice a day
Once a month
€¯The vertical distance from the chart sounding datum to the water surface at any stage of the tide is known as the__________.
Height of tide
Tide
Perigean tide
€¯The tide that occurs when the moon is at the point in its orbit nearest the earth is a / an______.
Height of tide
Tide
Perigean tide
€¯The tide that occurs when the moon crosses the equator is the_________.
Spring tides
Apogean tide
Equatorial tide
Solar tide
€¯The tide that occurs when the moon is farthest from the earth is a/an_________.
Spring tides
Apogean tide
Equatorial tide
Solar tide
€¯The part of the tide that is due to the tide-producing force of the sun is called__________.
Spring tides
Apogean tide
Equatorial tide
Solar tide
€¯It is the difference in height between consecutive high and low waters________.
Range of tide
Mixed tide
Neap tide
Stand
€¯When two high waters and two low waters occur during a tidal day, the tide is said to be_______.
Diurnal
Semi-diurnal
€¯The type of tide with a large inequality in either the high and / or low water heights is the______.
Range of tide
Mixed tide
Neap tide
Stand
€¯Spring tides occur at times of_________.
Full moon
Stand
New and full moon
€¯Tides with lower high water and higher low water which occur at times of first and third quarter is the_________.
Range of tide
Mixed tide
Neap tide
Stand
€¯The state of the tide at high or low water when there is no sensible change in the height of the tide is called________.
Range of tide
Mixed tide
Neap tide
Stand
€¯The predominating type of tide throughout the world is_______.
Diurnal tide
Semi-diurnal tide
Question 23  The tide that occurs when the moon is at its maximum semi-monthly declination North or South is the_________.
Tropic tide
Mixed tide
Range of tide
Neap tide
€¯At perigean tide, the lunar semi-diurnal range is________.
Increased
Decreased
€¯At apogean tide, the lunar semi-diurnal range is________.
Increased
Decreased
The Benguela current, Which direction flows in along the SW coast of Africa?
Southeasterly
Northeasterly
Southwesterly
Northwesterly
The two most effective generating forces of the ocean currents are________.
Wind and density same in the water
Wind and density differences in the water
On a voyage from Halifax, N.S. to Dakar, West Africa, the Canary Current will_______.
Set the vessel to the left
Set the vessel to the right
Which of the following current is "warm" based on the latitude in which it originates and the effect it has on climate?
Benguela Current
Labrador Current
Agulhas Current
Kuroshio
On a voyage from Cape town to London, the favorable ocean current off the coast of Africa is the______.
Benguela Current
Labrador Current
Agulhas Current
Kuroshio
Which cold current which meets the warm Gulf Stream between latitudes 40° and 43° North to form the cold wall?
Benguela Current
Labrador Current
Agulhas Current
Kuroshio
What current that in many respect is similar to the Gulf Stream?
Benguela Current
Labrador Current
Agulhas Current
Kuroshio
In the N. Hemisphere, the major ocean currents tend to flow__________.
Counter-Clockwise around the N. Atlantic and N Pacific Ocean
Clockwise around the N. Atlantic and N Pacific Ocean
A ship steaming across the North Pacific from Japan to Seattle is likely to experience_________.
Favorable currents for practically the entire crossing
Which is southern current approaches the coast of Africa, it divides the main part flowing south to form the warm?
Benguela Current
Labrador Current
Agulhas Current
Kuroshio
One of the causes of the ocean currents is density differences in the water. This is true because_______.
Surface water flows from an area of high density to one of low density.
Which of the following currents is responsible for the movement of icebergs into the North Atlantic shipping lanes?
Benguela Current
Labrador Current
Agulhas Current
Kuroshio
In which month will the equatorial countercurrent be strongest?
September
March
August
December
Which current would you encounter in a direct passage from South Africa to Argentina?
South Atlantic
North Atlantic
North Pacific
South Pacific
Which direction of humboldt current flows?
East
West
South
North
Which direction does the Brazil current tend to flow ?
Easterly
Westerly
Southerly
Northerly
The North Atlantic Current sets_________.
Easteward
Westward
Southward
Northward
The Equatorial Countercurrent in the N. Hemisphere generally sets______.
Southwest
Southeast
Northwest
Northeast
On a voyage from New York to Durban, South Africa, what you could expect the agulhas Current to present will strong?
Head current
Benguela Current
Kuroshio
Your vessel is in the Kuroshio Current. In which direction would you expect to be set?
To the south and east
To the south and west
To the north and east
To the north and west
In the north hemisphere you are caught in the dangerous semicircle with plenty of sea room available. The best course of action is to bring wind on the___________?
Starboard bow and make as much headway as possible
Starboard quarter and make as much headway as possible
Port bow and make as much headway as possible
Port quarter and make as much headway as possible
What is/are predominant feature (s) of the dangerous semicircle of a hurricane?
A. Higher winds
B. Winds will carry the vessel directly into the path of the hurricane
Both a and b
In the tropics, which of the following indicates the arrival of a hurricane at your position within 24 to 36 hours?
Unusually good weather with above average pressures followed by a slow fall of 4 millibars in six hours.
Unusually good weather with above average pressures followed by a slow fall of 5 millibars in six hours.
The usual sequence of directions in which a tropical cyclone moves in the Southern Hemisphere is __________.
Southwest, south, and southeast
Southwest, north, and southeast
Southwest, south, and northeast
The approximate distance to a storm center can be determined by noting the hourly rate of fall of the barometer. If the rate of fall is 0.08 - 0.12 inches, what is the approximate distance to the storm center?
100 to 120
150 to 180
90 to 100
80 to 100
Which condition does not indicate the approach of a tropical storm?
Increase in wind velocity
Decrease in wind velocity
Remain wind velocity
In the south hemisphere if you are caught in the left semicircle of a tropical storm you should bring the wind?
On the port quarter, hold course and make as much way as possible.
On the starboard bow, hold course and make as much way as possible.
On the port bow, hold course and make as much way as possible.
On the starboard quarter, hold course and make as much way as possible.
You are steaming eastward in the North Atlantic in an extratropical cyclonic storm and the wind is dead ahead. According to the law of Buys Ballot, the center of the low pressure lies __________.
To the north
To the south
To the east
To the west
Which condition exists in the eye of a hurricane?
An extremely low barometric pressure
An extremely high barometric pressure
Which of the following indicates that a tropical cyclone can be expected at your position within 24 to 48 hours?
A diurnal inequality of 6 millibars in the barometric reading
A diurnal inequality of 10 millibars in the barometric reading
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