Docks and Harbour Engineering - Interview Questions | Exam2Win

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21. Which of the following structures protects the shore by trapping of littoral drift?

A. groynes

B. sea walls

C. revetments

D. moles

Explanation:

22. 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.

A. Both A and R are true and R is the correct explanation of A.

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

C. A is true but R is false.

D. A is false but R is true.

Explanation:

23. 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. Both A and R are true and R is correct explanation of A.

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

C. A is true but R is false.

D. A is false but R is true.

Explanation:

24. 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 harbor entrance. Of the statements

A. (i) and (ii) are correct

B. (ii) and (iii) are correct

C. (i) and (iii) are correct

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

Explanation:

25. A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called.

A. Dry dock

B. Wet dock

C. Floating dock

D. Refuge dock

Explanation:

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