Fuels and Combustion Which of the following is a rich fuel gas? Producer gas Refinery gases Coal gas from underground gasification of coal None of these Producer gas Refinery gases Coal gas from underground gasification of coal None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Catalyst used in Fischer-Tropsch process is Thorium oxide Nickel Zinc oxide Alumina Thorium oxide Nickel Zinc oxide Alumina ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Proper fuel preparation Adopting efficient-fuel firing technique & equipment Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Proper fuel preparation Adopting efficient-fuel firing technique & equipment Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross heating value of coal is __________ the net heating value. Same as None of these Lower than Higher than Same as None of these Lower than Higher than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the Chances of clinker formation Incomplete combustion of coal Requirement of large volume combustion chamber Risk of explosion Chances of clinker formation Incomplete combustion of coal Requirement of large volume combustion chamber Risk of explosion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Yield of carbonised products Calorific value Caking index Friability & oxygen content Yield of carbonised products Calorific value Caking index Friability & oxygen content ANSWER DOWNLOAD EXAMIANS APP
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