Docks and Harbor Engineering
Assertion A : Depth and width required at the entrance to a harbour are more than those required in the channel.Reason R : The entrance to a harbour is usually more exposed to waves as compared to the harbour itself.Select your answer based on the coding system given below:

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

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

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

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