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: A is false but R is true. 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 TRUE ANSWER : ? YOUR ANSWER : ?
The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be 2.0 L 1.5 L 1 L 4.0 L TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following are repair docks ? wet docks, lift docks, marine railways, dry docks wet docks, floating docks, lift docks, marine railways marine railways, dry docks, floating docks, wet docks dry docks, wet docks, floating docks, lift docks 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 (ii) and (iii) are correct (i) and (iii) are correct (i) and (ii) are correct Only (iii) is 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.) 1.5612 1.7412 1.3412 1.9412 TRUE ANSWER : ? YOUR ANSWER : ?
Consider the following statements in regard to Beaufort scale for wind speeds,(i) The Beaufort number ranges from 1 to 12.(ii) Higher Beaufort number indicates higher speed of wind,(iii) Beaufort number for calm is smallest and for hurricane is highest Of these statements (i), (ii) and (iii) are correct (i) and (ii) are correct (ii) and (iii) are correct (i) and (iii) are correct TRUE ANSWER : ? YOUR ANSWER : ?
The most popular method of construction of wall breakwaters is Staging method Low level method Barge method None of these TRUE ANSWER : ? YOUR ANSWER : ?
As compared to wall type breakwater, mound type breakwater Results in less damage due to gradual failure Requires skilled labor Requires low maintenance cost Requires less material TRUE ANSWER : ? YOUR ANSWER : ?
The significant wave height is defined is the average height of the one – fourth highest waves one – tenth highest waves one – fifth highest waves one – third highest waves 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), (ii) and (iii) are correct (i) and (ii) are correct (ii) and (iii) are correct TRUE ANSWER : ? YOUR ANSWER : ?