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 : ?
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), (ii) and (iii) are correct (i) and (iii) are correct (i) and (ii) are correct (ii) and (iii) are correct TRUE ANSWER : ? YOUR ANSWER : ?
As per Berlin's formula, the length of wave in meters is given by(Where ’t’ is the period in seconds for two successive waves to pass the same section.) 1.3412 1.9412 1.5612 1.7412 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 : Large size stones are required in stone revetment in shore protection.Reason R : Resistance of stone to wave force is proportional to its volume and wave force is proportional to the exposed area of the stone.Select your answer based on the coding system given below. Both A and R are true but R is not a correct explanation of A is true but R is false. A is false but R is true. Both A and R are true and R is the correct explanation of TRUE ANSWER : ? YOUR ANSWER : ?
Dead weight tonnage of a ship<br/>(i) varies with latitude and season<br/>(ii) is more than displacement tonnage<br/>(iii) is the difference between displacement load and displacement light of these statements (i) and (iii) are correct (ii) and (iii) are correct Only (iii) is correct (i) and (ii) are correct TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following type of sea walls results in greatest protection of shore structures? vertical sea wall sea wall with concave face sea wall with batter stepped sea wall TRUE ANSWER : ? YOUR ANSWER : ?
A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called. Wet dock Dry dock Floating dock Refuge dock 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 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. Both A and R are true and R is the correct explanation of A. TRUE ANSWER : ? YOUR ANSWER : ?
The most popular method of construction of wall breakwaters is Staging method Barge method None of these Low level method TRUE ANSWER : ? YOUR ANSWER : ?