Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Structural strength of silica bricks Problem in door cleaning Buckling of ram of pusher car at the time of coke pushing Problem of uniform heating along its height Structural strength of silica bricks Problem in door cleaning Buckling of ram of pusher car at the time of coke pushing Problem of uniform heating along its height ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal Decreases Remains unaltered Increases May increase or decrease (depends on the method of storage) Decreases Remains unaltered Increases May increase or decrease (depends on the method of storage) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Number of macrocomponents present in coal according to Stopes are Four Five Two Six Four Five Two Six ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Safe condition for storage of high V.M. bituminous coal is that Both A and B Maximum 200 tons should be stored in a heap Neither A nor B Height of the coal heap should be < 3 metres Both A and B Maximum 200 tons should be stored in a heap Neither A nor B Height of the coal heap should be < 3 metres ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross calorific value will be equal to the net calorific value for CO C₂H₂ C₂H₆ H₂ CO C₂H₂ C₂H₆ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of methane in coke oven gas may be around 25 50 15 5 25 50 15 5 ANSWER DOWNLOAD EXAMIANS APP
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