1000+ Docks and Harbour Engineering Objective Questions & Answers - 1

Question: 1

The breakwaters height is _____ times the expected wave heights above the mean sea level

(A) 1.2 to 1.25

(B) 1.3 to 1.35

(C) 1.4 to 1.45

(D) 1.5 to 1.55

Ans: A

1.2 to 1.25

Question: 2

Neap tides are the tides in

(A) new and full moons

(B) noon

(C) 7-8 days after new and full moons

(D) midnight

Ans: C

7-8 days after new and full moons

Question: 3

The most popular method of construction of wall breakwaters is

(A) stagling method

(B) low level method

(C) barge method

(D) none of the above

Ans: A

stagling method

Question: 4

Which of the following conditions of loading imposes the greatest load on the foundation in case of dry docks?

(A) when the dock is full of water

(B) when the dock is empty with the ship of maximum tonnage

(C) when the dock is empty

(D) when the dock is dry and is under construction

Ans: A

when the dock is full of water

Question: 5

In the basins subjected to strong winds and tide, the length of the berthing area should not be less than

(A) twice the length of design vessel

(B) the length of design vessel + 20% clearance between adjacent vessels

(C) the length of design vessel + 10% clearance between adjacent vessels

(D) the length of design vessel

Ans: B

the length of design vessel + 20% clearance between adjacent vessels

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