In multiple point mooring system, vessel is secured to minimum of Eight points Two points Four points Six points 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 Only (iii) is correct (i) and (ii) are correct (ii) and (iii) are correct (i) and (iii) are correct TRUE ANSWER : ? YOUR ANSWER : ?
As compared to wall type breakwater, mound type breakwater Requires skilled labor Requires less material Results in less damage due to gradual failure Requires low maintenance cost TRUE ANSWER : ? YOUR ANSWER : ?
The significant wave height is defined is the average height of the one – fourth highest waves one – third highest waves one – fifth highest waves one – tenth highest waves TRUE ANSWER : ? YOUR ANSWER : ?
As per Stevenson’s empirical formula, the approximate value of the height of the wave in metres is given by (where F is the fetch in km.) 1.5 VF 0.5 VF 3.4 VF 0.34 VF 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 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. 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 90° with the face of the dock 30° with the face of the dock 45° with the face of the dock TRUE ANSWER : ? YOUR ANSWER : ?
At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be 6.8 m 8.169 m 9.144 m 2.073 m 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.) 1.9412 1.7412 1.3412 1.5612 TRUE ANSWER : ? YOUR ANSWER : ?
By increasing the rise of lock-gates, (i) The length of the lock gate will increase (ii) Transverse stress due to water pressure on the gate will increase (iii) Compressive force on the gate will increase (i) and (ii) are correct Only (iii) is correct Only (ii) is correct (i) and (iii) are correct TRUE ANSWER : ? YOUR ANSWER : ?