Fuels and Combustion A particular coal is said to be free burning when it Shows little or no fusing action Burns completely None of these Gives smokeless burning Shows little or no fusing action Burns completely None of these Gives smokeless burning ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Turndown ratio of a gas burner is equal to the Minimum to maximum heat input ratio Maximum to minimum permissible gas flow rate Both A & B Maximum to minimum heat input ratio Minimum to maximum heat input ratio Maximum to minimum permissible gas flow rate Both A & B Maximum to minimum heat input ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named All of these Has a high volatile matter content and burns with a luminous smoky flame Is non-coking Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named All of these Has a high volatile matter content and burns with a luminous smoky flame Is non-coking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest gross calorific value? Oil refinery gas Blast furnace gas Coke oven gas Carburetted water gas Oil refinery gas Blast furnace gas Coke oven gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Beehive coke oven Gives larger yield of coke (around 85%) as compared to by-product ovens Produces coke with very poor strength Takes 2-3 days for coking of coal but requires no external fuel for heating Facilitates by-products recovery Gives larger yield of coke (around 85%) as compared to by-product ovens Produces coke with very poor strength Takes 2-3 days for coking of coal but requires no external fuel for heating Facilitates by-products recovery ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)? Carburetted water gas Producer gas Liquified petroleum gas Natural gas Carburetted water gas Producer gas Liquified petroleum gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
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