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

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Docks and Harbor Engineering
Assertion A : Basin walls have to be of much grater height than dock walls.Reason R : Tidal basins are subject to fluctuations of levels due to tidal variations.Select your answer based on the coding system given below:

Both A and R are true but R is not correct explanation of A.
A is false but R is true.
A is true but R is false.
Both A and R are true and R is the correct explanation of A.

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Docks and Harbor Engineering
Assertion A : Intervention of undulations in the sea bed reduces the depth of wave at the section.Reason R : No wave can have a height greater than the depth of water through which it passes.Select your answer based on the coding system given below:

A is false but R is true.
A is true but R is false.
Both A and R are true and R is correct explanation of A.
Both A and R are true but R is not the correct explanation of A.

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