- (A) 75
- (B) 95
- (C) 120
- (D) 140
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Latest MCQs
- (A) CO
- (B) CO2
- (C) NO
- (D) Hydrocarbons
- (A) Preheating of feed water
- (B) Reduction in hardness, silica & alumina in feed water
- (C) Keeping the pH value of feed water just below 7
- (D) Eliminating H2S in feed water
- (A) 120
- (B) 140
- (C) 170
- (D) 200
- (A) Turbidity
- (B) Disease
- (C) Bad odour
- (D) Bad taste & colour
- (A) 0.1
- (B) 25
- (C) 100
- (D) 1000
- (A) Biological oxygen treatment
- (B) Coagulation and filtration
- (C) Adsorption in ion exchange materials
- (D) None of these
- (A) Silica gel
- (B) Active carbon
- (C) Bog iron
- (D) Limestone powder
- (A) 1
- (B) 10
- (C) 250
- (D) 1000
- (A) Blood poisoning
- (B) Anaemia
- (C) Nervous system disorder
- (D) All
