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Docks and Harbor Engineering

Docks and Harbor Engineering
At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be

6.8 m
9.144 m
8.169 m
2.073 m

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Docks and Harbor Engineering
If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by

0.6 Hs and 1.87 Hs
1.27 Hs and 1.67 Hs
1.27 Hs and 1.87 Hs
0.6 Hs and 1.67 Hs

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Docks and Harbor Engineering
When a wave strikes a vertical breakwater in deep water, it is reflected back and on meeting another advancing wave of similar amplitude merges and rises vertically in a wall of water. This phenomenon is called

Swell
Surf
Clapotis
Fetch

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Docks and Harbor Engineering
Minimum width of ship clearance shall be (where “B” is beam of the design vessel)

1.5 B or 50 m
1.5 B
B or 30 m
50 m

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Docks and Harbor Engineering
The significant wave height is defined is the average height of the

one – third highest waves
one – fourth highest waves
one – tenth highest waves
one – fifth highest waves

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Docks and Harbor Engineering
As per Berlin's formula, the length of wave in meters is given by(Where ’t’ is the period in seconds for two successive waves to pass the same section.)

1.3412
1.9412
1.5612
1.7412

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