Docks and Harbor Engineering
Assertion A : Large size stones are required in stone revetment in shore protection.Reason R : Resistance of stone to wave force is proportional to its volume and wave force is proportional to the exposed area of the stone.Select your answer based on the coding system given below.

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

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Docks and Harbor Engineering
Consider the following statements.
(i) Fender is the cushion provided on the face of the jetty for ships to come in contact,
(ii) Slip is the space of water area between two adjacent piers where ships are berthed,
(iii) Pier head is a structure constructed near the tip of a break water near the harbour entrance.
Of the statements

(i), (ii) and (iii) are correct
(ii) and (iii) are correct
(i) and (ii) are correct
(i) and (iii) are correct

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