Fuels and Combustion Coking time in beehive coke oven is about Two weeks One week 2-3 days 12 hours Two weeks One week 2-3 days 12 hours ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Oxygen Carbon Hydrogen Sulphur Oxygen Carbon Hydrogen Sulphur ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Can be done with less excess air Develops a low temperature flame Provides a lower rate of heat release Develops a non-luminous flame Can be done with less excess air Develops a low temperature flame Provides a lower rate of heat release Develops a non-luminous flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most reactive (as regards the formation of CO + H₂ from C + H₂O) ? Anthracite coal Blast furnace coke Low temperature coke Sub-bituminous coal Anthracite coal Blast furnace coke Low temperature coke Sub-bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Improves its coking properties All of these Reduces its sulphur and ash content Controls its ash fusibility and increases its calorific value Improves its coking properties All of these Reduces its sulphur and ash content Controls its ash fusibility and increases its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of bituminous coal may be around __________ Kcal/kg. 20000 1500 6500 500 20000 1500 6500 500 ANSWER DOWNLOAD EXAMIANS APP
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