Which of the following type of sea walls results in greatest protection of shore structures? sea wall with concave face stepped sea wall sea wall with batter vertical sea wall 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 low water level 1.2 H to 1.25 H above the high water level 1.2 H to 1.25 H above the datum 1.2 H to 1.25 H above the mean sea level TRUE ANSWER : ? YOUR ANSWER : ?
A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called. Dry dock Refuge dock Floating dock Wet dock TRUE ANSWER : ? YOUR ANSWER : ?
Assertion A : Marine structures are made specially bulky and strong.Reason R : Sea insects result in undermining of the hardest and the soundest building material. 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. Both A and R are true but R is not the correct explanation of A. A is true but R is false. TRUE ANSWER : ? YOUR ANSWER : ?
A ship strikes the berth generally at an angle 10° with the face of the dock 30° with the face of the dock 90° with the face of the dock 45° with the face of the dock TRUE ANSWER : ? YOUR ANSWER : ?
Consider the following statements.(i) Fender is the cushion provided on the face of the jetty for ships to come in contact,(ii) Slip is the space of water area between two adjacent piers where ships are berthed,(iii) Pier head is a structure constructed near the tip of a break water near the harbour entrance. Of the statements (i) and (iii) are correct (i) and (ii) are correct (i), (ii) and (iii) are correct (ii) and (iii) are correct TRUE ANSWER : ? YOUR ANSWER : ?
In multiple point mooring system, vessel is secured to minimum of Eight points Two points Six points Four points TRUE ANSWER : ? YOUR ANSWER : ?
Consider the following statements in regard to Beaufort scale for wind speeds,<br/>(i) The Beaufort number ranges from 1 to 12.<br/>(ii) Higher Beaufort number indicates higher speed of wind,<br/>(iii) Beaufort number for calm is smallest and for hurricane is highest of these statements (i) and (iii) are correct (i) and (ii) are correct (ii) and (iii) are correct (i), (ii) and (iii) 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 4 m 2.5 m 7 m TRUE ANSWER : ? YOUR ANSWER : ?
For designing the dock, the proportion of ship load assumed to be borne by keel blocks is 43967 43906 43898 43959 TRUE ANSWER : ? YOUR ANSWER : ?