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Docks and Harbor Engineering

Docks and Harbor Engineering
At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be

2.073 m
8.169 m
9.144 m
6.8 m

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Docks and Harbor Engineering
A ship strikes the berth generally at an angle

30° with the face of the dock
10° with the face of the dock
90° with the face of the dock
45° with the face of the dock

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Docks and Harbor Engineering
A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called.

Wet dock
Dry dock
Refuge dock
Floating dock

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Docks and Harbor Engineering
If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by

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

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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

2.5 m
5 m
4 m
7 m

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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 (ii) are correct
Only (iii) is correct
Only (ii) is correct
(i) and (iii) are correct

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