- (A) Hydrogen sulphide (H2S)
- (B) Carbon dioxide (CO2)
- (C) Methane (CH4)
- (D) All the above
Civil Engineering Mcqs
- (A) 1/3
- (B) 0/2
- (C) 0/3
- (D) 2 /3
- (A) More than the rate of water supply
- (B) Equal to the rate of water supply
- (C) Less than the rate of water supply
- (D) At 150 litres per capita
- (A) 10.0
- (B) 5.0
- (C) 2.0
- (D) 0.25
- (A) 2.25
- (B) 2.50
- (C) 2.55
- (D) 2.65
- (A) D8/3 = 4 b8/3
- (B) D3/8 = 4 b3/8
- (C) D2/3 = 4 b2/3
- (D) D3/2 = 4 b3/2
- (A) The change of gradient
- (B) The change of direction
- (C) The junctions of sewers
- (D) All of these
- (A) In freshly produced sewage
- (B) At sewer pipes
- (C) In sewer treatment plants
- (D) None of these
- (A) Screening
- (B) Sedimentation
- (C) Oxidation
- (D) All the above
- (A) 0.5 to 1.0 kg
- (B) 1 kg to 2.0 kg
- (C) 5 kg to 7.5 kg
- (D) 7.5 kg to 10 kg

