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:

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

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Docks and Harbor Engineering
Which of the following are repair docks ?

marine railways, dry docks, floating docks, wet docks
wet docks, floating docks, lift docks, marine railways
wet docks, lift docks, marine railways, dry docks
dry docks, wet docks, floating docks, lift docks

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

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