Dock and Harbor Engineering

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?

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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.

Consider the following statements in regard to Beaufort scale for wind speeds______________?

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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
select the correct statments.
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

Dead weight tonnage of a ship_______________?

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Dead weight tonnage of a ship_______________?

i) varies with latitude and season
ii) is more than displacement tonnage
iii) is the difference between displacement load and displacement light
select the correct statemens.
A. i) and ii) are correct
B. ii) and iii) are correct
C. i) and iii) are correct
D. Only iii) is correct

The maximum harbour depth below lowest low water is generally equal to_________________?

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The maximum harbour depth below lowest low water is generally equal to_________________?

(i) loaded draft + 1.2 m when bottom is rock
(ii) loaded draft + 1.8 m when bottom is soft
(iii) loaded draft + 1.2 m when bottom is soft
(iv) loaded draft + 1.8 m when bottom is rock
select the correct the correct statements.
A. (i) and (ii) are correct
B. (i) and (iii) are correct
C. (ii) and (iv) are correct
D. (iii) and (iv) are correct

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__________________?

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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.

In basins subjected to strong winds and tide, the length of the berthing area should not be less than____________________?

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In basins subjected to strong winds and tide, the length of the berthing area should not be less than____________________?

A. the length of design vessel
B. the length of design vessel + 10% clearance between adjacent vessels
C. the length of design vessel + 20% clearance between adjacent vessels
D. twice the length of design vessel

Select the incorrect statement ?

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Select the incorrect statement ?

A. The progress of work in low level method of mound construction is very slow.
B. Barge method of mound construction is economical.
C. In low level method of mound construction, the area of working is limited.
D. In staging method of mound cons-truction, the work is not interrupted even during stormy weather