๐๏ธCivil Engineering MCQs
Civil Engineering MCQs
479 MCQs111
In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept________________?
A10.0
B5.0
C2.0
D0.25
112
House connections to the laterals is generally made by___________________?
AR.
BP.
CCast iron
DGlazed stonewares
113
In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is_________________?
A2.25
B2.50
C2.55
D2.65
114
In olden days the type of section adopted in trunk and out fall sewers was__________________?
AParabolic shaped
BHorse shoe shaped
CEgg shaped
DCircular shaped
115
Which one of the following resists hydrogen sulphide corrosion ?
AR.
BGlazed stone wares
CAsbestos cement
DGlazed ware
116
The ratio of design discharge to the surface area of a sedimentation tank is called____________________?
ASurface loading
BOverflow rate
COverflow velocity
DAll of these
117
Discrete or granular particles change their_________________ ?
ASize
BShape
CWeight
DNone of these
118
Imhoff cone is used to determine_____________________?
ASettleable solids
BSuspended solids
CDissolved solids
DNone of these
119
As compared to fresh river water, sea water contains oxygen_________________?
A10% less
B20% less
C10% more
D20% more
120
Sewer manholes are generally provided at________________?
AThe change of gradient
BThe change of direction
CThe junctions of sewers
DAll of these