Civil Engineering MCQs

Page No. 108

For designing the dock, the proportion of ship load assumed to be borne by keel blocks is________________?


a5/8


b3/8


c3/16


d 5/16


View Answer 5/8

Which of the following structures protects the shore by trapping of littoral drift?


agroynes


bsea walls


crevetments


dmoles


View Answer groynes

Assertion A : Large size stones are required in stone revetment in shore protection. Reason R : Resistance of stone to wave force is proportional to its volume and wave force is proportional to the exposed area of the stone?


aBoth A and R are true and R is the correct explanation of A


b. Both A and R are true but R is not a correct explanation of A


cA is true but R is false


dA is false but R is true



Which of the following structures are constructed parallel to shore line to develop a demarcating line between land area and water area ?


a sea walls, bulk heads and groynes


bsea walls, bulk heads and revetments


c sea walls, revetments and groynes


dbulk heads, revetments and groynes



Which of the following is a fixed type mooring accessory ?


abollard


bbuoys


ccables


danchors


View Answer bollard

In multiple point mooring system, vessel is secured to minimum of____________________?


atwo points


bfour points


c six points


deight points


View Answer four points

If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be_________________?


a 2.5 m


b4 m


c5 m


d 7 m


View Answer 7 m

As compared to wall type breakwater, mound type breakwater_________________?


arequires skilled labour


b requires low maintenance cost


crequires less material


d results in less damage due to gradual failure



Minimum width of ship clearance shall be__________________?


aB or 30 m


b1.5 B or 50 m


c1.5 B


d50 m


View Answer B or 30 m

At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be_______________?


a2.073 m


b8.169 m


c 9.144 m


d6.8 m


View Answer 9.144 m

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