Docks and Harbor Engineering 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 datum 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 mean sea level 1.2 H to 1.25 H above the datum 1.2 H to 1.25 H above the low water level 1.2 H to 1.25 H above the high water level ANSWER DOWNLOAD EXAMIANS APP
Docks and Harbor Engineering 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 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 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. ANSWER DOWNLOAD EXAMIANS APP
Docks and Harbor Engineering Minimum width of ship clearance shall be (where “B” is beam of the design vessel) B or 30 m 1.5 B 50 m 1.5 B or 50 m B or 30 m 1.5 B 50 m 1.5 B or 50 m ANSWER DOWNLOAD EXAMIANS APP
Docks and Harbor Engineering 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 (ii) and (iv) are correct (iii) and (iv) are correct (i) and (iii) are correct (i) and (ii) are correct (ii) and (iv) are correct (iii) and (iv) are correct (i) and (iii) are correct (i) and (ii) are correct ANSWER DOWNLOAD EXAMIANS APP
Docks and Harbor Engineering 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 Results in less damage due to gradual failure Requires skilled labor Requires low maintenance cost Requires less material ANSWER DOWNLOAD EXAMIANS APP
Docks and Harbor Engineering 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 1.67 Hs 1.27 Hs and 1.87 Hs 0.6 Hs and 1.87 Hs 1.27 Hs and 1.67 Hs 0.6 Hs and 1.67 Hs 1.27 Hs and 1.87 Hs 0.6 Hs and 1.87 Hs ANSWER DOWNLOAD EXAMIANS APP