- (A) Centrifugal pump
- (B) Reciprocating pump
- (C) Pneumatic ejector
- (D) Air pressure pump
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- (A) Stone ware pipes
- (B) Earthenware pipes
- (C) C.I. pipes
- (D) G.I. pipes
- (A) 50 ppm
- (B) 100 ppm
- (C) 150 ppm
- (D) 200 ppm
- (A) Equal to 7
- (B) More than 7
- (C) Less than 7
- (D) Equal to zero
- (A) 20 mm
- (B) 30 mm
- (C) 40 mm
- (D) 50 mm
- (A) Carry sewage as gravity conduits
- (B) Are designed for generating self-cleansing velocities at different discharge
- (C) Should resist the wear and tear caused due to abrasion
- (D) All the above
- (A) 0.05552 cumec
- (B) 0.05554 cumec
- (C) 0.05556 cumec
- (D) 0.0556 cumec
- (A) Biological activity of bacteria in sewage
- (B) Solubility of gases in sewage
- (C) Viscosity of sewage
- (D) All the above
- (A) 50 m
- (B) 100 m
- (C) 200 m
- (D) 300 m
- (A) Septic tanks are horizontal continuous flow type of sedimentation tanks
- (B) Septic tanks are generally provided a detention period of 12 to 36 hours
- (C) Septic tanks are completely covered and high vent shafts are provided for the escape of foul gases
- (D) None of these
