- (A) Ammonia in water
- (B) Benzol present in coke oven gas by wash oil
- (C) SO2 in alkaline solution
- (D) All
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- (A) Decreases rapidly
- (B) Increases rapidly
- (C) Remain constant
- (D) Is maximum
- (A) S2/S1
- (B) S1/S2
- (C) S1 – S2
- (D) S1 × S2
- (A) Spray dryer
- (B) Spouted bed dryer
- (C) Tunnel dryer
- (D) Pan open to atmosphere
- (A) 0.60
- (B) 0.24
- (C) 1
- (D) 0.72
- (A) Increase both ‘G’ and ‘S’
- (B) Decrease both ‘G’ and ‘S’
- (C) Increase ‘S’ and decrease ‘G’
- (D) Increase ‘G’ and decrease ‘S’
- (A) Pachuka tank
- (B) Agitated vessels
- (C) Centrifugal extractors
- (D) Packed towers
- (A) (1 – f)/f
- (B) – (f – 1)/f
- (C) -1/f
- (D) -f/(1 – f)
- (A) Lewis number
- (B) Schmidt number
- (C) Prandtl number
- (D) Sherwood number
- (A) Tunnel
- (B) Heated cylinder
- (C) Conveyor
- (D) Festoon

