Docks and Harbor Engineering
As compared to wall type breakwater, mound type breakwater

Requires low maintenance cost
Results in less damage due to gradual failure
Requires skilled labor
Requires less material

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Docks and Harbor Engineering
Assertion A : Marine structures are made specially bulky and strong.Reason R : Sea insects result in undermining of the hardest and the soundest building material.Select your answer based on the coding system given below:

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

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Docks and Harbor Engineering
Consider the following statements in regard to Beaufort scale for wind speeds,(i) The Beaufort number ranges from 1 to 12.(ii) Higher Beaufort number indicates higher speed of wind,(iii) Beaufort number for calm is smallest and for hurricane is highest Of these statements

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

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