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

Related Mcqs:

1. 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

2. In multiple point mooring system, vessel is secured to minimum of____________________?

   A. two points
   B. four points
   C. six points
   D. eight points

3. 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

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

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

5. 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

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. By increasing the rise of lockgates_______________?

   (i) the length of the lock gate will increase
   (ii) transverse stress due to water pressure on the gate will increase
   (iii) compressive force on the gate will increase
   select the correct statements?

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

8. 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

9. In basins subjected to strong winds and tide, the length of the berthing area should not be less than____________________?

   A. the length of design vessel
   B. the length of design vessel + 10% clearance between adjacent vessels
   C. the length of design vessel + 20% clearance between adjacent vessels
   D. twice the length of design vessel

10. Assertion A : Depth and width required at the entrance to a harbour are more than those required in the channel. Reason R : The entrance to a harbour is usually more exposed to waves as compared to the harbour itself__________________?

    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 the correct explanation of A.
    C. A is true but R is false.
    D. A is false but R is true.