Which of the following type of sea walls results in greatest protection of shore structures? sea wall with batter vertical sea wall sea wall with concave face stepped sea wall TRUE ANSWER : ? YOUR ANSWER : ?
As compared to wall type breakwater, mound type breakwater Results in less damage due to gradual failure Requires skilled labor Requires low maintenance cost Requires less material TRUE ANSWER : ? YOUR ANSWER : ?
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: Both A and R are true and R is correct explanation of A. A is false but R is true. A is true but R is false. Both A and R are true but R is not the correct explanation of A. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following conditions of loading imposes the greatest load on the foundation in case of dry docks? When the dock is empty When the dock is full of water When the dock is empty with the ship of maximum tonnage When the dock is dry and is under construction TRUE ANSWER : ? YOUR ANSWER : ?
In a two lane channel, bottom width of channel is given by (2 × Manoeuvring lane) + (2 × Bank clearance lane) (2 × Manoeuvring lane) + (2 × Bank clearance lane + ship clearance lane) Manoeuvring lane + (2 × Bank clearance lane) Manoeuvring lane + (2 × Bank clearance lane) + ship clearance lane TRUE ANSWER : ? YOUR ANSWER : ?
The significant wave height is defined is the average height of the one – third highest waves one – fourth highest waves one – tenth highest waves one – fifth highest waves TRUE ANSWER : ? YOUR ANSWER : ?
In multiple point mooring system, vessel is secured to minimum of Four points Eight points Two points Six points TRUE ANSWER : ? YOUR ANSWER : ?
At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be 9.144 m 6.8 m 8.169 m 2.073 m TRUE ANSWER : ? YOUR ANSWER : ?
Assertion A : Basin walls have to be of much grater height than dock walls.Reason R : Tidal basins are subject to fluctuations of levels due to tidal variations.Select your answer based on the coding system given below: Both A and R are true but R is not correct explanation of A. A is false but R is true. Both A and R are true and R is the correct explanation of A. A is true but R is false. TRUE ANSWER : ? YOUR ANSWER : ?
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: Both A and R are true and R is the correct explanation of A. A is false but R is true. A is true but R is false. Both A and R are true but R is not the correct explanation of A. TRUE ANSWER : ? YOUR ANSWER : ?