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

Related Mcqs:

1. 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.

2. As per Berlin’s formula, the length of wave in metres is given by_______________?

   A. 1.3412
   B. 1.5612
   C. 1.7412
   D. 1.9412

   where ‘t’ is the period in seconds for two successive waves to pass the same section

3. If Hs is the significant wave height, then the average wave height and highest wave height respectively are given by_______________?

   A. 0.6 Hs and 1.67 Hs
   B. 0.6 Hs and 1.87 Hs
   C. 1.27 Hs and 1.87 Hs
   D. 1.27 Hs and 1.67 Hs

4. 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

5. 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

6. As per Stevenson’s empirical formula, the approximate value of the height of the wave in metres is given by__________________?

   A. 0.34 VF
   B. 0.5 VF
   C. 1.5 VF
   D. 3.4 VF
   where F is the fetch in km

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

   A. 2.073 m
   B. 8.169 m
   C. 9.144 m
   D. 6.8 m

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

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

9. The significant wave height is defined is the average height of the_________________?

   A. one – third highest waves
   B. one – fourth highest waves
   C. one – fifth highest waves
   D. one – tenth highest waves

10. 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