- (A) ultra violet rays treatment
- (B) lime treatment
- (C) by using potassium permanganate
- (D) chlorination
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- (A) rectangular section
- (B) circular section
- (C) standard form of egg shaped sewer
- (D) modified egg shaped section
- (A) 15 cm and 100 cm
- (B) 15 cm and 300 cm
- (C) 30 cm and 450 cm
- (D) 60 cm and 300cm
- (A) equal to dry weather flow (DWF)
- (B) 2xDWF
- (C) 3 x DWF
- (D) 6xDWF
- (A) less than 1.0 m/sec
- (B) 1.0 m/sec to 1.2 m/sec
- (C) 1.5 m/sec to 2.0 m/sec
- (D) 3.0 m/sec to 3.5 m/sec
- (A) the time taken by rainfall water to run from most distant point of water shed to the inlet of sewer
- (B) the time required for flow of water in sewer to the point under consideration
- (C) sum of (A) and (B)
- (D) difference of (A) and (B)
- (A) is cheaper in initial cost than dry conservancy system
- (B) requires treatment before disposal
- (C) creates hygenic problem
- (D) all of the above
- (A) circular sewer
- (B) egg shaped sewer
- (C) rectangular sewer
- (D) none of the above
- (A) 100 litres
- (B) 135 litres
- (C) 165 litres
- (D) 200 litres
- (A) house sewer
- (B) lateral sewer
- (C) main sewer
- (D) submain sewer
