Question: When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as________________?

• 1. beam
• 2. depth
• 3. freeboard
• 4. draft

Question: The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be___________________?

• 1. L
• 2. 1.5 L
• 3. 2.0 L
• 4. 4.0 L

Question: At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be_______________?

• 1. 2.073 m
• 2. 8.169 m
• 3. 9.144 m
• 4. 6.8 m

Question: Minimum width of ship clearance shall be__________________?

• 1. B or 30 m
• 2. 1.5 B or 50 m
• 3. 1.5 B
• 4. 50 m

Question: As compared to wall type breakwater, mound type breakwater_________________?

• 1. requires skilled labour
• 2. requires low maintenance cost
• 3. requires less material
• 4. results in less damage due to gradual failure

Question: 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_________________?

• 1. 2.5 m
• 2. 4 m
• 3. 5 m
• 4. 7 m

Question: In multiple point mooring system, vessel is secured to minimum of____________________?

• 1. two points
• 2. four points
• 3. six points
• 4. eight points

Question: Which of the following is a fixed type mooring accessory ?

• 1. bollard
• 2. buoys
• 3. cables
• 4. anchors

Question: Which of the following structures are constructed parallel to shore line to develop a demarcating line between land area and water area ?

• 1. sea walls, bulk heads and groynes
• 2. sea walls, bulk heads and revetments
• 3. sea walls, revetments and groynes
• 4. bulk heads, revetments and groynes

Question: Which of the following structures protects the shore by trapping of littoral drift?

• 1. groynes
• 2. sea walls
• 3. revetments
• 4. moles