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Civil Engineering - Docks and Harbours

Exercise : Docks and Harbours - Section 1
31.
Pick up the incorrect statement from the following: In a dry dock block made of hard wood,
spacing of the blocks is 1.35 m
the lowest block is 1.8 m long 40 cm x 40 cm in cross-section
the middle block is 1.6 m long 40 cm x 40 cm in crosss-section
the top block is 1.2 m long 40 cm x 40 cm in cross-section
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
On a hydrographic map, the following feature is shown :
datum
high and low water lines
depth contours
land and water areas
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Due to the impact of water wave on a sea shore structure
hydrostatic pressure coupled with a strong momentary impact is caused
vibrations are subjected
internal pressure is developed
weakens the foundation
all of the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The horizontal angles from the boat between A and B and B and C, the stations on the shore are respectively θ1 and θ2. The distances AB = L1 and BC = L2. For calculating the angle α2 at C between the boat and station B is obtained by using the following formula: where (β is horizontal angle between A and C at B).
αt tan α2 = 360° - (θ1 + θ2 + β) = φ
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Pick up the correct statement from the following:
The breakwater which can be used as a platform for loading and unloading of cargo is called a mole
The brick masonry retaining wall which is used for loading and unloading of cargo is called guay wall
Three types of break waters are generally provided in harbours
All of the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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