Fuels and Combustion Highly caking coals Both B and C May damage the coke oven walls during carbonisation Produce weak coke Produce strong coke Both B and C May damage the coke oven walls during carbonisation Produce weak coke Produce strong coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Structural strength of silica bricks Buckling of ram of pusher car at the time of coke pushing Problem of uniform heating along its height Problem in door cleaning Structural strength of silica bricks Buckling of ram of pusher car at the time of coke pushing Problem of uniform heating along its height Problem in door cleaning ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used for the determination of calorific value of the __________ fuels. Both B and C Gaseous Liquid Solid Both B and C Gaseous Liquid Solid ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Sulphur content Ignition temperature Type (solid, liquid or gaseous) Calorific value Sulphur content Ignition temperature Type (solid, liquid or gaseous) Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Critical Air Blast (CAB) value of coke is a direct measure of its Hardness Reactivity None of these Strength Hardness Reactivity None of these Strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The most matured coal out of the following is Sub-bituminous Semi-anthracite Lignite Bituminous Sub-bituminous Semi-anthracite Lignite Bituminous ANSWER DOWNLOAD EXAMIANS APP
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