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Docks and Harbor Engineering

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

Wet dock
Floating dock
Dry dock
Refuge dock

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Docks and Harbor Engineering
The significant wave height is defined is the average height of the

one – third highest waves
one – fourth highest waves
one – tenth highest waves
one – fifth highest waves

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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

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

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Docks and Harbor Engineering
As per Berlin's formula, the length of wave in meters is given by(Where ’t’ is the period in seconds for two successive waves to pass the same section.)

1.7412
1.5612
1.3412
1.9412

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Docks and Harbor Engineering
Which of the following type of sea walls results in greatest protection of shore structures?

sea wall with batter
sea wall with concave face
stepped sea wall
vertical sea wall

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Docks and Harbor Engineering
For designing the dock, the proportion of ship load assumed to be borne by keel blocks is

43959
43898
43906
43967

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