Fuels and Combustion Fossil fuels mean Liquid fuels Premature fuels with low calorific value Those fuels which are found in the crust of earth Solid fuels Liquid fuels Premature fuels with low calorific value Those fuels which are found in the crust of earth Solid fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 950 750 1150 550 950 750 1150 550 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ? Blast furnace gas Water gas Producer gas Natural gas Blast furnace gas Water gas Producer gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having Higher carbon monoxide content Lower carbon dioxide content Higher methane content and thus higher calorific value None of these Higher carbon monoxide content Lower carbon dioxide content Higher methane content and thus higher calorific value None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal Is non-coking All of these Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named Has a high volatile matter content and burns with a luminous smoky flame Is non-coking All of these Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named Has a high volatile matter content and burns with a luminous smoky flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The most matured coal out of the following is Sub-bituminous Semi-anthracite Bituminous Lignite Sub-bituminous Semi-anthracite Bituminous Lignite ANSWER DOWNLOAD EXAMIANS APP