- (A) Vulcanise it
- (B) Protect it from deterioration on exposure to air
- (C) Make it non-inflammable
- (D) Make it thermosetting
Chemical Engineering Mcqs
- (A) -20
- (B) 50
- (C) 250
- (D) 500
- (A) Is present upto 1-2%
- (B) Comes from protein in parent vegetable matter
- (C) Is recovered as ammonia during its carbonisation
- (D) All
- (A) CO
- (B) CO2
- (C) H2
- (D) CH4
- (A) Shallow and small piles
- (B) Fine sizes without the presence of any lump
- (C) Closed space without any ventilation facility
- (D) Large heaps with small surface to volume ratio
- (A) Caking index
- (B) Mineral matter content
- (C) Ash content
- (D) Both
- (A) Cuprous chloride
- (B) Potassium hydroxide
- (C) Alkaline pyrogallol solution
- (D) None of these
- (A) Transportation of coal
- (B) Drying of coal
- (C) Combustion of coal by supplying it around the burner
- (D) Preheating the primary air
- (A) Proximate analysis
- (B) Ultimate analysis
- (C) Caking index
- (D) Calorific value
- (A) C + H2O ↔ CO + H2
- (B) C + 2H2O ↔ CO2 + 2H2
- (C) CO + H2O ↔ CO2 + H2
- (D) None of these
