🏗️Civil Engineering MCQs
Civil Engineering MCQs
479 MCQs181
In case of sewer lines_________________?
AWater test is carried out to check water tightness of the joints
BTest for straightness is carried out with the help of a lamp and mirror
CObstruction test is carried out with the help of smooth ball of diameter 13 mm
DAll the above
182
A manhole is classified as shallow if its depth is between_________________?
A0.4 to 0.5 m
B0.5 to 0.7 m
C0.7 to 0.9 m
D0.9 to 1.20 m
183
The stone ware sewers_________________?
AAre used for carrying sewage and drainage from houses
BAre manufactured from clays and shale
CAfter casting are dried and burnt at temperature 150°C, 700°C and 1200°C
DAll the above
184
The most efficient cross section of sewers in a separate sewerage system is__________________?
AParabolic
BCircular
CRectangular
DNew egged
185
For trunk and out-fall, the type of sewers generally used, is_____________________?
AStandard egg shaped
BCircular shaped
CHorse shoe shaped
DParabolic shaped
186
In sewers the highest non-scouring velocity is achieved in________________?
AGlazed bricks sewers
BCast iron sewers
CCement concrete sewers
DStone ware sewers
187
If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of__________________?
ADegradation
BActive decomposition
CRecovery
DCleaner water
188
The suitable cross-section of sewers to carry combined flow, is__________________?
ACircular
BEgg shaped
CRectangular
DHorse shoe shaped
189
The minimum recommended diameter of sewers, is_________________?
A5 cm
B10 cm
C15 cm
D20 cm
190
If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is________________?
A2 hours
B3 hours
C4 hours
D5 hours