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
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.
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.
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.
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.
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
✅ The correct answer is option C.
Which of the following is a fixed type mooring accessory ?
A. bollard
B. buoys
C. cables
D. anchors
✅ The correct answer is option A.
If H is the height of the wave expected, then the height of the breakwater is generally taken as______________________?
A. 1.2 H to 1.25 H above the datum
B. 1.2 H to 1.25 H above the low water level
C. 1.2 H to 1.25 H above the high water level
D. 1.2 H to 1.25 H above the mean sea level
✅ The correct answer is option C.
Minimum width of ship clearance shall be__________________?
A. B or 30 m
B. 1.5 B or 50 m
C. 1.5 B
D. 50 m
✅ The correct answer is option A.
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
✅ The correct answer is option C.