Docks And Harbor Engineering MCQ Questions & Answers | Civil Engineering Page-4 section-1

31.
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. 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 correct explanation of A.

C. A is true but R is false.

D. A is false but R is true.

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32.
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. 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 the correct explanation of A.

C. A is true but R is false.

D. A is false but R is true.

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33.
If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be

A. 2.5 m

B. 4 m

C. 5 m

D. 7 m

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34.
As per Stevenson’s empirical formula, the approximate value of the height of the wave in metres is given by (where F is the fetch in km.)

A. 0.34 VF

B. 0.5 VF

C. 1.5 VF

D. 3.4 VF

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35.
At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be

A. 2.073 m

B. 8.169 m

C. 9.144 m

D. 6.8 m

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36.
If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by

A. 0.6 Hs and 1.67 Hs

B. 0.6 Hs and 1.87 Hs

C. 1.27 Hs and 1.87 Hs

D. 1.27 Hs and 1.67 Hs

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37.
The difference in height between highest high water and lowest low water is called

A. Mean range

B. Maximum range

C. Maximum rise

D. Mean rise

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Docks And Harbor Engineering MCQ Questions & Answers | Civil Engineering

31. 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:

Answer & Solution

32. 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:

Answer & Solution

33. If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be

Answer & Solution

34. As per Stevenson’s empirical formula, the approximate value of the height of the wave in metres is given by (where F is the fetch in km.)

Answer & Solution

35. At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be

Answer & Solution

36. If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by

Answer & Solution

37. The difference in height between highest high water and lowest low water is called

Answer & Solution

31.
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:

32.
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:

33.
If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be

34.
As per Stevenson’s empirical formula, the approximate value of the height of the wave in metres is given by (where F is the fetch in km.)

35.
At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be

36.
If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by

37.
The difference in height between highest high water and lowest low water is called