Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Carbon Hydrogen Sulphur Oxygen Carbon Hydrogen Sulphur Oxygen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke oven gas is around __________ Kcal/Nm³. 900 2000 7500 4200 900 2000 7500 4200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Spontaneous combustion of coal on storage results due to All of these Storage in large heaps with small surface to volume ratio Low temperature oxidation Inadequate ventilation All of these Storage in large heaps with small surface to volume ratio Low temperature oxidation Inadequate ventilation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ prohibits the use of alcohols directly in petrol engines. Low flash point Low octane number High cost & availability Low calorific value Low flash point Low octane number High cost & availability Low calorific value ANSWER DOWNLOAD EXAMIANS APP
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 High ash containing coke Produces more slag when used in the blast furnace Has poor strength and abrasion resistance None of these Is desirable in producer gas manufacture Produces more slag when used in the blast furnace Has poor strength and abrasion resistance None of these Is desirable in producer gas manufacture ANSWER DOWNLOAD EXAMIANS APP