Fuels and Combustion Preheating of __________ the flame temperature. Either the fuel or the air or both, increases The gaseous fuel before combustion decreases Combustion air decreases Either the fuel or the air does not affect Either the fuel or the air or both, increases The gaseous fuel before combustion decreases Combustion air decreases Either the fuel or the air does not affect ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coal gasification processes will produce gas having maximum methane content? All of these Winkler process Kopper-Totzek process Lurgi process All of these Winkler process Kopper-Totzek process Lurgi process ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon Is less liable to spontaneous combustion on storage Is more difficult to ignite and produces a shorter flame None of these Requires smaller combustion space and less secondary air Is less liable to spontaneous combustion on storage Is more difficult to ignite and produces a shorter flame None of these Requires smaller combustion space and less secondary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Insitu theory and drift theory are related to the Variation of coal quality with depth Origin of petroleum oil Coalification Origin of coal Variation of coal quality with depth Origin of petroleum oil Coalification Origin of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high __________ content, would ignite most easily. Ash Volatile matter Fixed carbon Oxygen Ash Volatile matter Fixed carbon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec. 500 0.5 10 50 500 0.5 10 50 ANSWER DOWNLOAD EXAMIANS APP
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