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

Question: For designing the dock, the proportion of ship load assumed to be borne by keel blocks is________________?

• 1. 5/8
• 2. 3/8
• 3. 3/16
• 4. 5/16

Question: A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called_________________?

• 1. Dry dock
• 2. Wet dock
• 3. Floating dock
• 4. Refuge dock

Question: A ship strikes the berth generally at an angle_________________?

• 1. 90° with the face of the dock
• 2. 45° with the face of the dock
• 3. 30° with the face of the dock
• 4. 10° with the face of the dock