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

Related Mcqs:

1. Which of the following structures protects the shore by trapping of littoral drift?

   A. groynes
   B. sea walls
   C. revetments
   D. moles

2. 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

3. 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

4. Assertion A : Large size stones are required in stone revetment in shore protection. Reason R : Resistance of stone to wave force is proportional to its volume and wave force is proportional to the exposed area of the stone?

   Select your answer based on the coding system given below

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

5. 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

6. 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

7. 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

8. 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

9. Which of the following is a fixed type mooring accessory ?

   A. bollard
   B. buoys
   C. cables
   D. anchors

10. Consider the following statements?

    (i) Fender is the cushion provided on the face of the jetty for ships to come in contact,
    (ii) Slip is the space of water area between two adjacent piers where ships are berthed,
    (iii) Pier head is a structure constructed near the tip of a break water near the harbour entrance.
    select the correct statements?

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