Harbour & Airport Engineering (2180602) MCQs

MCQs of Harbour Engineering-Natural Phenomena

Showing 31 to 40 out of 46 Questions
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31.
When the wave reaches shallow water where the depth is equal to about _____________ it will usually break.
(a) 1.52 H
(b) 1.25 H
(c) 2.51 H
(d) 2.15 H
Answer:

Option (b)

32.
In deep water, each particle of water on the wave surface describes a ______________.
(a) Triangle
(b) Square
(c) Circle
(d) None of the above
Answer:

Option (c)

33.
Stevenson has developed an approximate relationship between wave height 'H' and fetch 'F'. This is expressed as _________.
(a) H = 0.43 F1/2
(b) F = 0.34 H1/2
(c) H = 0.34 F1/2
(d) F = 0.43 H1/2
Answer:

Option (c)

34.
If 'd' is the depth of water and 'L' is the wave length then identify the correct option for Deep Water Waves.
(a) d > L/2
(b) L > d/2
(c) L < d/2
(d) d < L/2
Answer:

Option (a)

35.
Waves are generated by __________________.
(a) Explosions
(b) Earthquakes
(c) Transfer of energy from air moving over the water surface
(d) All of the above
Answer:

Option (d)

36.
The distance between two successive wave crests is called _________________.
(a) Wave Height
(b) Wave Length
(c) Wave Period
(d) Fetch
Answer:

Option (b)

37.
The straight line stretch of open water available for wave growth without the interruption of land is called ___________.
(a) Development Length
(b) Wave Length
(c) Fetch
(d) None
Answer:

Option (c)

38.
A very long standing wave on a large but limited body of water is called _____________.
(a) Seiche
(b) Swell
(c) Bores
(d) None of the above
Answer:

Option (a)

39.
The process of movement and deposition of sand in a zig-zag line in the proximity of coasts is known as _______________.
(a) Tidal Current
(b) Translation Current
(c) Oscillatory Current
(d) Littoral Drift
Answer:

Option (d)

40.
Reflected waves collide back with the incoming incident waves and forms a standing wave known as _____________ .
(a) Wave Train
(b) Clapotis
(c) High Wave
(d) Low Wave
Answer:

Option (b)

Showing 31 to 40 out of 46 Questions
1 2 3 4 5