Docks and Harbor Engineering Which of the following structures protects the shore by trapping of littoral drift? revetments moles sea walls groynes revetments moles sea walls groynes ANSWER DOWNLOAD EXAMIANS APP
Docks and Harbor Engineering 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 Only (iii) is correct (i) and (iii) are correct (i) and (ii) are correct Only (ii) is correct Only (iii) is correct (i) and (iii) are correct (i) and (ii) are correct ANSWER DOWNLOAD EXAMIANS APP
Docks and Harbor Engineering When a wave strikes a vertical breakwater in deep water, it is reflected back and on meeting another advancing wave of similar amplitude merges and rises vertically in a wall of water. This phenomenon is called Fetch Surf Clapotis Swell Fetch Surf Clapotis Swell ANSWER DOWNLOAD EXAMIANS APP
Docks and Harbor Engineering 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.) 3.4 VF 1.5 VF 0.34 VF 0.5 VF 3.4 VF 1.5 VF 0.34 VF 0.5 VF ANSWER DOWNLOAD EXAMIANS APP
Docks and Harbor Engineering At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be 6.8 m 9.144 m 2.073 m 8.169 m 6.8 m 9.144 m 2.073 m 8.169 m ANSWER DOWNLOAD EXAMIANS APP
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 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 1.2 H to 1.25 H above the mean sea level 1.2 H to 1.25 H above the datum ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS