Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. Less than Equal to Either more or less; depends on the type of fuel More than Less than Equal to Either more or less; depends on the type of fuel More than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be Data insufficient; can't be predicted More Same Less Data insufficient; can't be predicted More Same Less 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 Excessive fly-ash discharge from the stack Erosion of induced draft fan blades High power consumption in its transportation Ash disposal problem Excessive fly-ash discharge from the stack Erosion of induced draft fan blades High power consumption in its transportation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high volatile matter content will Burn with a small non-smoky flame Have a very high calorific value None of these Give less yield of tar and gas on carbonisation Burn with a small non-smoky flame Have a very high calorific value None of these Give less yield of tar and gas on carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of Ammonia None of these Tar Benzol Ammonia None of these Tar Benzol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Reducing sulphur content in the fuel Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Supplying correct amount of combustion air Reducing sulphur content in the fuel Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Supplying correct amount of combustion air ANSWER DOWNLOAD EXAMIANS APP
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