- (A) 100 mg/l
- (B) 200 mg/l
- (C) 300 mg/l
- (D) 400 mg/l
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- (A) Velocity at dry weather flow
- (B) Velocity of water at flushing
- (C) Velocity at which no accumulation remains in the drains
- (D) Velocity of water in a pressure filter
- (A) d = 0.2 B
- (B) d = 0.5 B
- (C) B = 0.2 d
- (D) B = 0.5 d
- (A) 2.5 to 3.0 m/sec
- (B) 3.0 to 4.0 m/sec
- (C) 3.5 to 4.5 m/sec
- (D) 4.5 to 5.5 m/sec
- (A) Large suspended organic solids
- (B) Oil and grease
- (C) Sand and girt
- (D) Floating materials
- (A) 1 in 5
- (B) 1 in 10
- (C) 1 in 15
- (D) 1 in 20
- (A) Thyroid
- (B) Kidneys
- (C) Eyes
- (D) Ovaries/testis
- (A) cm/minute
- (B) cm/hour
- (C) cm/day
- (D) None of these
- (A) 25 to 50 m
- (B) 50 m to 100 m
- (C) 100 m to 150 m
- (D) 150 m to 300 m
- (A) Vs = 418 (Gs – Gw) d [(3T + 70)/100]
- (B) Vs = 418 (Gs – Gw)d² [(3T + 70)/100]
- (C) Vs = 218 (Gs – Gw)d² [(3T + 70)/100]
- (D) Vs = 218 (Gs – Gw)d [(3T + 70)/100]
