The most popular method of construction of wall breakwaters is Staging method Low level method Barge method None of these 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: A is true but R is false. Both A and R are true but R is not the correct explanation of Both A and R are true and R is the correct explanation of A is false but R is true. TRUE ANSWER : ? YOUR ANSWER : ?
Consider the following statements.<br/>(i) Fender is the cushion provided on the face of the jetty for ships to come in contact,<br/>(ii) Slip is the space of water area between two adjacent piers where ships are berthed,<br/>(iii) Pier head is a structure constructed near the tip of a break water near the harbour entrance. <br/>Of the statements (i), (ii) and (iii) are correct (ii) and (iii) are correct (i) and (iii) are correct (i) and (ii) are correct 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 5 m 7 m 2.5 m 4 m TRUE ANSWER : ? YOUR ANSWER : ?
Minimum width of ship clearance shall be (where “B” is beam of the design vessel) B or 30 m 50 m 1.5 B or 50 m 1.5 B 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: A is false but R is true. A is true but R is false. Both A and R are true but R is not correct explanation of A. Both A and R are true and R is 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 with the ship of maximum tonnage When the dock is full of water When the dock is dry and is under construction When the dock is empty TRUE ANSWER : ? YOUR ANSWER : ?
If H is the height of the wave expected, then the height of the breakwater is generally taken as 1.2 H to 1.25 H above the datum 1.2 H to 1.25 H above the mean sea level 1.2 H to 1.25 H above the high water level 1.2 H to 1.25 H above the low water level TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following structures protects the shore by trapping of littoral drift? revetments groynes sea walls moles TRUE ANSWER : ? YOUR ANSWER : ?
In multiple point mooring system, vessel is secured to minimum of Two points Eight points Four points Six points TRUE ANSWER : ? YOUR ANSWER : ?