Fuels and Combustion Coke oven gas is a better fuel than blast furnace gas, because of its higher Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Adiabatic flame temperature Heat release rate (thus requiring smaller combustion chamber) All of these Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Adiabatic flame temperature Heat release rate (thus requiring smaller combustion chamber) All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Using low c.v. fuels Oxygen enrichment of combustion air Maintaining proper draft in the furnace Controlling the excess air Using low c.v. fuels Oxygen enrichment of combustion air Maintaining proper draft in the furnace Controlling the excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 0 12.5 20 10 0 12.5 20 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fuel' can be defined as a substance which produces heat by Combustion Nuclear fission All of these Nuclear fusion Combustion Nuclear fission All of these Nuclear fusion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high volatile matter content will None of these Have a very high calorific value Burn with a small non-smoky flame Give less yield of tar and gas on carbonisation None of these Have a very high calorific value Burn with a small non-smoky flame Give less yield of tar and gas on carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bituminous coal Burns with smoky yellow flame Both B and C Ignites less easily than anthracite Is generally coking Burns with smoky yellow flame Both B and C Ignites less easily than anthracite Is generally coking ANSWER DOWNLOAD EXAMIANS APP