6.
Which of the following structures are constructed parallel to shore line to develop a demarcating line between land area and water area?

8.
In a two lane channel, bottom width of channel is given by

9.
Which of the following conditions of loading imposes the greatest load on the foundation in case of dry docks?

10.
By increasing the rise of lock-gates,
(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