- (A) KOH
- (B) Ammoniacal cuprous chloride
- (C) Pyrogallol solution
- (D) None of these
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- (A) Nickel
- (B) Zinc oxide
- (C) Alumina
- (D) Thorium oxide
- (A) 11
- (B) 2
- (C) 20
- (D) 38
- (A) Caking capacity
- (B) Volatile matter content
- (C) Fusion point of its ash
- (D) Inherent moisture content
- (A) Increases
- (B) Decreases
- (C) Remain same
- (D) Either
- (A) Decolourisation of sugar
- (B) Solvent recovery from air and gases
- (C) Absorption of gases and vapor
- (D) Electrode manufacture
- (A) Reduced NOx formation in flue gas
- (B) Lower furnace operating temperature
- (C) High heat transfer rate
- (D) All
- (A) Minimise its corrosion
- (B) Avoid radiation heat loss
- (C) Make it look attractive
- (D) None of these
- (A) Non-caking coal
- (B) Caking coal
- (C) Coking coal
- (D) Pulverised coal
- (A) Fast & high
- (B) Slow & low
- (C) Slow & high
- (D) Fast & slow
