- (A) Nitrites
- (B) Nitrates
- (C) Free ammonia
- (D) Aluminoid nitrogen
Civil Engineering Mcqs
- (A) Silting
- (B) Low discharge
- (C) Greasy and oily matters
- (D) All the above
- (A) House sewer
- (B) Lateral sewer
- (C) Intercepting sewer
- (D) Main sewer
- (A) 1 in 60
- (B) 1 in 100
- (C) 1 in 120
- (D) None of these
- (A) Turbidity
- (B) Colour
- (C) Odour
- (D) All the above
- (A) Alkaline
- (B) Acidic
- (C) Highly decomposed
- (D) A source of objectionable odour
- (A) Average demand
- (B) Twice the average demand
- (C) Thrice the average demand
- (D) Four times the average demand
- (A) Potassium permanganate
- (B) Sulphuric acid and napthamine
- (C) Phenol-di -sulphuric acid potassium hydroxide
- (D) None of these
- (A) Magnetic compass
- (B) Theodolite
- (C) Level
- (D) Clinometer
- (A) 213.5 cm/sec
- (B) 313.5 cm/sec
- (C) 413.5 cm/sec
- (D) 500 cm/sec

