Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Volatile matter Moisture content Ash content Colour Volatile matter Moisture content Ash content Colour ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? None of these Less heat transfer surface area is required in boilers It achieves higher fuel combustion efficiency It can not burn low grade coal None of these Less heat transfer surface area is required in boilers It achieves higher fuel combustion efficiency It can not burn low grade coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Buckling of ram of pusher car at the time of coke pushing Structural strength of silica bricks Problem of uniform heating along its height Problem in door cleaning Buckling of ram of pusher car at the time of coke pushing Structural strength of silica bricks Problem of uniform heating along its height Problem in door cleaning ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of Benzol Ammonia None of these Tar Benzol Ammonia None of these Tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction? C + 2H₂O ⟷ CO₂ + 2H₂ 2CO ⟷ C + CO₂ CO + H₂O ⟷ CO₂ + H₂ C + H₂O ⟷ CO + H₂ C + 2H₂O ⟷ CO₂ + 2H₂ 2CO ⟷ C + CO₂ CO + H₂O ⟷ CO₂ + H₂ C + H₂O ⟷ CO + H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Contributes to its heating value Affects the quality of steel produced as cracks develop on the surface while rolling the steel Neither A nor B Both A and B Contributes to its heating value Affects the quality of steel produced as cracks develop on the surface while rolling the steel Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS