A. When sewage is fresh
B. When diluting water has high dissolved oxygen content
C. When diluting water is used for water supply near the point of sewage disposed
D. When the diluting water is having flow currents
Civil Engineering Mcqs
Civil Engineering Mcqs for Preparation of Job Test and interview, freshers, Students, competitive exams etc. Multiple choice questions here are on topics such as Building Construction, Materials for Construction, Basic Surveying, Highway Engineering, Dams, Airport Engineering, Structural Analysis etc.
A. 1 in 100 upward
B. 1 in 500 upward
C. 1 in 100 downward
D. 1 in 503 upward
A. H2SO4
B. HNO3
C. HCl
D. None of these
A. More than the self-cleansing velocity
B. Less than the self-cleansing velocity
C. Less than 10 m/sec
D. More than 20 m/sec
A. Top side
B. Bottom side
C. Horizontal side
D. All sides
A. Distances 150 m to 300 m
B. Upper ends of branch sewers
C. Every change in the size of sewers
D. All the above
A. Q/(B × D)
B. Q/(L × D)
C. Q/L
D. Q/(B × L)
A. Bio-Chemical Oxygen Demand (B.O.D.)
B. Dissolved Oxygen (D.O.)
C. Chemical Oxygen Demand (C.O.D.)
D. None of these
A. 90 %
B. 95 %
C. 99 %
D. 9.9 %
A. Parabolic
B. Circular
C. Rectangular
D. New egged
