A. 5/8
B. 3/8
C. 3/16
D. 5/16
✅ The correct answer is option A.
Dock and Harbor Engineering MCQs
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
✅ The correct answer is option C.
Which of the following structures protects the shore by trapping of littoral drift?
A. groynes
B. sea walls
C. revetments
D. moles
✅ The correct answer is option A.
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
✅ The correct answer is option D.
The significant wave height is defined is the average height of the_________________?
A. one – third highest waves
B. one – fourth highest waves
C. one – fifth highest waves
D. one – tenth highest waves
✅ The correct answer is option A.
As per Stevenson’s empirical formula, the approximate value of the height of the wave in metres is given by__________________?
A. 0.34 VF
B. 0.5 VF
C. 1.5 VF
D. 3.4 VF
✅ The correct answer is option A.
As per Berlin’s formula, the length of wave in metres is given by_______________?
A. 1.3412
B. 1.5612
C. 1.7412
D. 1.9412
✅ The correct answer is option B.
In multiple point mooring system, vessel is secured to minimum of____________________?
A. two points
B. four points
C. six points
D. eight points
✅ The correct answer is option B.
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
✅ The correct answer is option B.
When a wave strikes a vertical breakwater in deep water, it is reflected back and on meeting another advancing wave of similar amplitude merges and rises vertically in a wall of water. This phenomenon is called_________________?
A. Surf
B. Clapotis
C. Fetch
D. Swell
✅ The correct answer is option B.