Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Lengthens the flame Shortens the flame Both A & B Causes heat loss of fuel by its partial combustion Lengthens the flame Shortens the flame Both A & B Causes heat loss of fuel by its partial combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing high amount of volatile matter will have Very little ash content Low ignition temperature Low adiabatic flame temperature High fusion point of its ash Very little ash content Low ignition temperature Low adiabatic flame temperature High fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest gross calorific value? Carburetted water gas Oil refinery gas Coke oven gas Blast furnace gas Carburetted water gas Oil refinery gas Coke oven gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The most matured coal out of the following is Lignite Sub-bituminous Bituminous Semi-anthracite Lignite Sub-bituminous Bituminous Semi-anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ prohibits the use of alcohols directly in petrol engines. Low flash point High cost & availability Low calorific value Low octane number Low flash point High cost & availability Low calorific value Low octane number ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 10200 5400 1800 3200 10200 5400 1800 3200 ANSWER DOWNLOAD EXAMIANS APP