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 datum 1.2 H to 1.25 H above the mean sea level 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 datum 1.2 H to 1.25 H above the mean sea level 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 (i) and (iii) are correct Only (ii) is correct (i) and (ii) are correct Only (iii) is correct (i) and (iii) are correct Only (ii) is correct (i) and (ii) are correct Only (iii) is correct ANSWER DOWNLOAD EXAMIANS APP
Docks and Harbor Engineering If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be 4 m 5 m 7 m 2.5 m 4 m 5 m 7 m 2.5 m 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 less material Requires skilled labor Requires low maintenance cost Results in less damage due to gradual failure Requires less material Requires skilled labor Requires low maintenance cost ANSWER DOWNLOAD EXAMIANS APP
Docks and Harbor Engineering The significant wave height is defined is the average height of the one – third highest waves one – tenth highest waves one – fifth highest waves one – fourth highest waves one – third highest waves one – tenth highest waves one – fifth highest waves one – fourth highest waves ANSWER DOWNLOAD EXAMIANS APP
Docks and Harbor Engineering 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) and (ii) are correct (ii) and (iii) are correct (i), (ii) and (iii) are correct (i) and (iii) are correct (i) and (ii) are correct (ii) and (iii) are correct (i), (ii) and (iii) are correct (i) and (iii) are correct ANSWER DOWNLOAD EXAMIANS APP
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