Docks & Harbours MCQ Civil Engineering Questions Answers




11) The most popular method of construction of wall breakwaters is

a) Barge method

b) Staging method

c) Low level method

d) None of the above

View Answer
Option – b)

12) The protective barrier constructed to enclose harbours is known as

(a) breakwater

(b) wharves

(c) jetty

(d) quay

View Answer
Option – a)

13) Drift  method of tunneling is used to construct tunnels in

a) soft grounds

b) rock

c) self supporting grounds

d) broken grounds

View Answer
Option – b)

14) Which of the following lining material is useful for shield driven tunnels in sub aqueous regions ?

a) stone masonry

b) timber

c) cast iron

d) cement concrete

View Answer
Option – c)

15) The minimum width of apron provided is

(a) 8 m

(b) 10 m

(c) 12 m

(d) 15 m

View Answer
Option – b)

16) Tunnel alignment is carried out by

a) surface theodolite traverse

b) triangulation

c) compass traverse

d) aerial photography

View Answer
Option – b)

17) Berlins formula for finding wavelength in metres is

(a) 1.18 t2

(b) 1.28 t2

(c) 1.36 t2

(d) 1.56 t2

where t = period in seconds

View Answer
Option – d)

18) Which of the following is a fixed type mooring accessory ?

a) bollard

b) buoys

c) cables

d) anchors

View Answer
Option – a)

19) 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

View Answer
Option – a)

20) A ship is berthed in a chamber and lifted by principles of buoyancy. Such a chamber is called

a) Dry dock

b) Wet dock

c) Floating dock

d) Refuge dock

View Answer
Option – c)