Yueng Lenn Practice questions

1. In the Strait of Gibraltar there is also a deep flow of water out of the Mediterranean into the Atlantic. If the surface inflow is 4 Sverdrups and salinity 30, and the bottom outflow is 3 Sverdrups, what must be its salinity to maintain a salt balanc

  • 45
  • 40
  • 35
  • 30
1 of 15

Other questions in this quiz

2. Why is there an inflow of surface water through the Strait of Gibraltar to the Mediterranean Sea?

  • It replaces water lost from the Med by evaporation
  • It replaces water lost by the Med through a small crack in the sea floor
  • It is driven by the prevailing westerly winds
  • It replaces water lost from the Med through the Suez canal

3. The energy in ocean waves depends on the wave height. Which of the following statements is true?

  • The energy depends on the square root of the wave height
  • The energy depends on the logarithm of the wave height
  • The energy depends on the square of the wave height
  • The energy is proportional to the wave height

4. Waves in shallow water travel at a speed which just depends on what?

  • The water depth
  • The wave height
  • The wave length
  • The wave period

5. What is the volume of an iceberg weighing 2 tonnes (2000kg) and with a density of 920 kg/m3 ?

  • 3.45m3
  • 2.17m3
  • 2 m3
  • 1000m3

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