Fuels and Combustion Coals used for the generation of producer gas should have High caking index Low fusion point of ash High volatile matter content Very low ash content (8-10%) High caking index Low fusion point of ash High volatile matter content Very low ash content (8-10%) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A particular coal is said to be free burning when it Shows little or no fusing action Gives smokeless burning None of these Burns completely Shows little or no fusing action Gives smokeless burning None of these Burns completely ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air. 5 35 10 20 5 35 10 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Both A & B Caking power Calorific value Neither A nor B Both A & B Caking power Calorific value Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. 40 and 70 80 and 97 95 and 100 25 and 97 40 and 70 80 and 97 95 and 100 25 and 97 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product fuel? Refinery gas Pitch Petrol Blast furnace gas Refinery gas Pitch Petrol Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP