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 Aromatic content of tar produced is more Tar yield is more Ignition temperature of coke produced is less Gas yield is less Aromatic content of tar produced is more Tar yield is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ prohibits the use of alcohols directly in petrol engines. Low octane number High cost & availability Low calorific value Low flash point Low octane number High cost & availability Low calorific value Low flash point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 3 & 10 10 & 3 15 & 8 10 & 20 3 & 10 10 & 3 15 & 8 10 & 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Provide trouble free operation Facilitate easy ash removal Ensure its complete combustion Enhance its calorific value Provide trouble free operation Facilitate easy ash removal Ensure its complete combustion Enhance its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use. 150-200 70-100 43832 15-30 150-200 70-100 43832 15-30 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the heaviest fuel gas out of the following? Coke oven gas Carburetted water gas Water gas Blast furnace gas Coke oven gas Carburetted water gas Water gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP