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- Subject
- Dock and Harbor Engineeringcivil-engineering-mcqs › dock-and-harbor-engineering
- Published
- 19 Jan 2019
- Last updated
- 28 May 2026
Explanation
Groynes are built perpendicular to the shore to trap sediment transported by littoral drift, thereby preventing beach erosion. Sea walls, revetments, and moles serve different functions such as absorbing wave energy or protecting harbors but do not primarily trap littoral drift.
More Dock and Harbor Engineering MCQs
Practice related questions from the same subject.
- 1.Which of the following pairs of statements are accurate?
- 2.Given that Hs represents the significant wave height, what are the corresponding average wave height and the maximum wave height values?
- 3.Assertion (A): The height of basin walls must be significantly greater than that of dock walls. Reason (R): Tidal basins experience water level changes due to tidal fluctuations. What is the correct relationship between A and R?
- 4.Evaluate the following statements about the Beaufort scale for measuring wind speed:
- 5.Which of the following statements about deadweight tonnage of a ship are accurate?
- 6.Which pair of statements correctly represents the typical maximum harbor depth below the lowest low water level?
- 7.Assertion (A): The depth and width needed at a harbour's entrance exceed those required within the channel. Reason (R): The harbour entrance is generally more vulnerable to wave action compared to the inner harbour. Which of the following is correct?
- 8.For basins exposed to strong tidal currents and winds, what is the minimum required length of the berthing area?
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