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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

9.144 m
6.8 m
2.073 m
8.169 m

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Docks and Harbor Engineering
If H is the height of the wave expected, then the height of the breakwater is generally taken as

1.2 H to 1.25 H above the datum
1.2 H to 1.25 H above the low water level
1.2 H to 1.25 H above the mean sea level
1.2 H to 1.25 H above the high water level

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Docks and Harbor Engineering
A ship strikes the berth generally at an angle

30° with the face of the dock
10° with the face of the dock
45° with the face of the dock
90° with the face of the dock

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Docks and Harbor Engineering
Which of the following structures protects the shore by trapping of littoral drift?

sea walls
moles
groynes
revetments

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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.)

1.9412
1.3412
1.7412
1.5612

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Docks and Harbor Engineering
Dead weight tonnage of a ship(i) varies with latitude and season(ii) is more than displacement tonnage(iii) is the difference between displacement load and displacement light Of these statements

Only (iii) is correct
(i) and (ii) are correct
(ii) and (iii) are correct
(i) and (iii) are correct

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