As compared to wall type breakwater, mound type breakwater Requires less material Requires low maintenance cost Requires skilled labor Results in less damage due to gradual failure TRUE ANSWER : ? YOUR ANSWER : ?
For designing the dock, the proportion of ship load assumed to be borne by keel blocks is 43906 43898 43967 43959 TRUE ANSWER : ? YOUR ANSWER : ?
The maximum harbour depth below lowest low water is generally equal to(i) loaded draft + 1.2 m when bottom is rock(ii) loaded draft + 1.8 m when bottom is soft(iii) loaded draft + 1.2 m when bottom is soft(iv) loaded draft + 1.8 m when bottom is rock (iii) and (iv) are correct (ii) and (iv) are correct (i) and (iii) are correct (i) and (ii) are correct 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 Only (ii) is correct (i) and (iii) are correct (i) and (ii) are correct Only (iii) is correct 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 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 1.2 H to 1.25 H above the datum 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 (ii) are correct (i), (ii) and (iii) are correct (ii) and (iii) are correct (i) and (iii) are correct TRUE ANSWER : ? YOUR ANSWER : ?
By increasing the rise of lock-gates,<br/>(i) The length of the lock gate will increase<br/>(ii) Transverse stress due to water pressure on the gate will increase<br/>(iii) Compressive force on the gate will increase Only (ii) is correct Only (iii) is correct (i) and (iii) are correct (i) and (ii) are correct TRUE ANSWER : ? YOUR ANSWER : ?
A ship strikes the berth generally at an angle 90° with the face of the dock 45° with the face of the dock 30° with the face of the dock 10° with the face of the dock 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 and R is the correct explanation of A is false but R is true. A is true but R is false. Both A and R are true but R is not a correct explanation of TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following structures protects the shore by trapping of littoral drift? groynes moles sea walls revetments TRUE ANSWER : ? YOUR ANSWER : ?