21. A ship strikes the berth generally at an angle_________________?
A. 90° with the face of the dock
B. 45° with the face of the dock
C. 30° with the face of the dock
D. 10° with the face of the dock
✅ The correct answer is option D.
Dock and Harbor Engineering MCQs
22. When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as________________?
A. beam
B. depth
C. freeboard
D. draft
✅ The correct answer is option D.
23. As compared to wall type breakwater, mound type breakwater_________________?
A. requires skilled labour
B. requires low maintenance cost
C. requires less material
D. results in less damage due to gradual failure
✅ The correct answer is option D.
24. The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be___________________?
A. L
B. 1.5 L
C. 2.0 L
D. 4.0 L
✅ The correct answer is option D.
25. Which of the following type of sea walls results in greatest protection of shore structures?
A. vertical sea wall
B. sea wall with batter
C. stepped sea wall
D. sea wall with concave face
✅ The correct answer is option D.