Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. >71% < 37% In between 37 & 71% None of these >71% < 37% In between 37 & 71% None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Critical Air Blast (CAB) value of coke is a direct measure of its Reactivity Strength None of these Hardness Reactivity Strength None of these Hardness 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. 1150 550 750 950 1150 550 750 950 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following oil gasification processes is non-catalytic? Semet-Solvay process Steam reforming of naphtha Onia-Gegi process Segas process Semet-Solvay process Steam reforming of naphtha Onia-Gegi process Segas process ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C. 1700-1800 400-500 1400-1500 900-1000 1700-1800 400-500 1400-1500 900-1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The most matured coal out of the following is Lignite Bituminous Semi-anthracite Sub-bituminous Lignite Bituminous Semi-anthracite Sub-bituminous ANSWER DOWNLOAD EXAMIANS APP
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