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

Related Mcqs:

1. 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

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

   A. sea walls, bulk heads and groynes
   B. sea walls, bulk heads and revetments
   C. sea walls, revetments and groynes
   D. bulk heads, revetments and groynes

3. 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

   where “B” is beam of the design vessel

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

   A. 5/8
   B. 3/8
   C. 3/16
   D. 5/16

5. 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

6. 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

7. In a two lane channel, bottom width of channel is given by_______________?

   A. Manoeuvring lane + 2 x Bank clearance lane
   B. 2 x Manoeuvring lane + 2 x Bank clearance lane
   C. 2 x Manoeuvring lane + 2 x Bank clearance lane + ship clearance lane
   D. Manoeuvring lane + 2 x Bank clearance lane + ship clearance lane

8. The difference in height between highest high water and lowest low water is called_______________?

   A. mean range
   B. maximum range
   C. maximum rise
   D. mean rise

9. Assertion A : Intervention of undulations in the sea bed reduces the depth of wave at the section. Reason R : No wave can have a height greater than the depth of water through which it passes?

   Select your answer based on the coding system given below?

   A. Both A and R are true and R is correct explanation of A.
   B. Both A and R are true but R is not the correct explanation of A.
   C. A is true but R is false.
   D. A is false but R is true

10. The maximum harbour depth below lowest low water is generally equal to_________________?

    (i) loaded draft + 1.2 m when bottom is rock
    (ii) loaded draft + 1.8 m when bottom is soft
    (iii) loaded draft + 1.2 m when bottom is soft
    (iv) loaded draft + 1.8 m when bottom is rock

    select the correct the correct statements.

    A. (i) and (ii) are correct
    B. (i) and (iii) are correct
    C. (ii) and (iv) are correct
    D. (iii) and (iv) are correct