Fuels and Combustion A coal having higher volatile matter content will necessarily have lower Ash fusion temperature Calorific value Caking index Ignition temperature Ash fusion temperature Calorific value Caking index Ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? Ash disposal problem High power consumption in its transportation Excessive fly-ash discharge from the stack Erosion of induced draft fan blades Ash disposal problem High power consumption in its transportation Excessive fly-ash discharge from the stack Erosion of induced draft fan blades ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main advantage of forced draft over natural draft is that Furnace control is easier All of these Smaller height chimney can be used Combustion of fuel is complete Furnace control is easier All of these Smaller height chimney can be used Combustion of fuel is complete ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pulverised coal used in boiler firing need not have Lower ash content High fusion point of its ash Less moisture content High bulk density Lower ash content High fusion point of its ash Less moisture content High bulk density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always > 1 Unpredicatable 1 > 1 Unpredicatable 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Higher C/H ratio Calorific value Sulphur content Difference in gross & net calorific value Higher C/H ratio Calorific value Sulphur content Difference in gross & net calorific value ANSWER DOWNLOAD EXAMIANS APP
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