Fuels and Combustion Which will have the least volatile matter and hence will be the most difficult to ignite? Aanthracite Semi-bituminous coal Coke Bituminous coal Aanthracite Semi-bituminous coal Coke Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Ignition temperature of coke produced is less Gas yield is less Tar yield is more Aromatic content of tar produced is more Ignition temperature of coke produced is less Gas yield is less Tar yield is more Aromatic content of tar produced is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of a coal is a measure of its Reactivity Porosity Agglutinating (binding) properties Abradability Reactivity Porosity Agglutinating (binding) properties Abradability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ prohibits the use of alcohols directly in petrol engines. Low flash point Low octane number Low calorific value High cost & availability Low flash point Low octane number Low calorific value High cost & availability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis. 950 750 500 1100 950 750 500 1100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bituminous coal Is generally coking Burns with smoky yellow flame Ignites less easily than anthracite Both B and C Is generally coking Burns with smoky yellow flame Ignites less easily than anthracite Both B and C ANSWER DOWNLOAD EXAMIANS APP