Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 50 10000 5000 1000 50 10000 5000 1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Power alcohol as compared to straight run gasoline has lower Viscosity Specific gravity Calorific value Octane number Viscosity Specific gravity Calorific value Octane number ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its Oxygen content Caking power Calorific value None of these Oxygen content Caking power Calorific value None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly caking coals Produce strong coke Both B and C May damage the coke oven walls during carbonisation Produce weak coke Produce strong coke Both B and C May damage the coke oven walls during carbonisation Produce weak coke 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 Risk of explosion Incomplete combustion of coal Requirement of large volume combustion chamber Chances of clinker formation Risk of explosion Incomplete combustion of coal Requirement of large volume combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame speed? CH₄ C₂H₆ H₂ CO CH₄ C₂H₆ H₂ CO ANSWER DOWNLOAD EXAMIANS APP
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