- (A) Lower ignition temperature
- (B) Narrower limit of inflammability
- (C) Higher calorific value
- (D) Lower theoretical flame temperature
Chemical Engineering Mcqs
- (A) Carburetted water gas
- (B) Gobar gas
- (C) Natural gas
- (D) LPG
- (A) Burn CO to CO2
- (B) Dry and transport the coal
- (C) Have proper combustion by supplying it around the burner
- (D) Preheat the tertiary air used for complete combustion of CO to CO2
- (A) Reduction in coal size
- (B) Increase in its friability
- (C) Decrease in its caking capacity
- (D) All
- (A) Four
- (B) Five
- (C) Six
- (D) Two
- (A) Bituminous coal
- (B) Coke
- (C) Semi-bituminous coal
- (D) Anthracite
- (A) Vitrain
- (B) Clarain
- (C) Durain
- (D) Fussain
- (A) Decreases the dew point
- (B) Increases the dew point
- (C) Reduces the combustion efficiency by limiting the permissible temperature reduction
- (D) Both
- (A) Higher calorific value
- (B) Lower sulphur content
- (C) Higher emissivity (0.8-0.9) resulting in higher radiation heat transfer rate
- (D) Both
- (A) Ammonia yield is more
- (B) Aliphatic tar is produced
- (C) Free carbon in tar is more
- (D) All
