The most popular method of construction of wall breakwaters is None of these Barge method Staging method Low level method TRUE ANSWER : ? YOUR ANSWER : ?
As compared to wall type breakwater, mound type breakwater Requires less material Requires skilled labor Requires low maintenance cost Results in less damage due to gradual failure TRUE ANSWER : ? YOUR ANSWER : ?
If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by 1.27 Hs and 1.67 Hs 0.6 Hs and 1.87 Hs 0.6 Hs and 1.67 Hs 1.27 Hs and 1.87 Hs TRUE ANSWER : ? YOUR ANSWER : ?
By increasing the rise of lock-gates,<br/>(i) The length of the lock gate will increase<br/>(ii) Transverse stress due to water pressure on the gate will increase<br/>(iii) Compressive force on the gate will increase Only (ii) is correct Only (iii) is correct (i) and (iii) are correct (i) and (ii) are correct TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following are repair docks ? wet docks, lift docks, marine railways, dry docks dry docks, wet docks, floating docks, lift docks wet docks, floating docks, lift docks, marine railways marine railways, dry docks, floating docks, wet docks TRUE ANSWER : ? YOUR ANSWER : ?
The significant wave height is defined is the average height of the one – third highest waves one – tenth highest waves one – fifth highest waves one – fourth highest waves 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 Both A and R are true but R is not the correct explanation of A is false but R is true. A is true but R is false. TRUE ANSWER : ? YOUR ANSWER : ?
If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be 4 m 7 m 2.5 m 5 m TRUE ANSWER : ? YOUR ANSWER : ?
For designing the dock, the proportion of ship load assumed to be borne by keel blocks is 43959 43967 43898 43906 TRUE ANSWER : ? YOUR ANSWER : ?
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 Surf Swell Clapotis Fetch TRUE ANSWER : ? YOUR ANSWER : ?