🏗️Civil Engineering MCQs
Civil Engineering MCQs
479 MCQs71
If the pH value of sewage is 7__________________?
AIt is acidic
BIt is alkaline
CIt is neutral
DNone of these
72
For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed________________?
A1.5
B2.0
C2.5
D3.0
73
Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is__________________?
Apt = 3H3p/2 Z5
Bpt = 2H3p/3 Z5
Cpt = 3H3p/2Z5
Dpt = 2 3p/3Z5
74
Ventilating shafts are provided to a sewer line at every__________________?
A100 m
B150 m
C200 m
D300 m
75
The underground sewers are more subjected to________________?
ATensile force
BCompressive force
CBending force
DShearing force
76
The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is____________________?
A20 m
B30 m
C45 m
D75 m
77
Facultative bacteria survive in_____________________?
Anor
BD. Neither
CBoth cases
78
The maximum diameter of sewers adopted in the designs is_______________?
A1.0 m
B2.0 m
C3.0 m
D4.0 m
79
The formula V = (1/n) r2/3____________________?
AChezy’s formula
BBazin’s formula
CKutter’s formula
DManning’s formula
80
A rainfall may be classified as acidic if its pH value is less or equal to________________?
A6
B7
C5
D6.5