Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? High power consumption in its transportation Erosion of induced draft fan blades Ash disposal problem Excessive fly-ash discharge from the stack High power consumption in its transportation Erosion of induced draft fan blades Ash disposal problem Excessive fly-ash discharge from the stack ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high __________ content, would ignite most easily. Oxygen Fixed carbon Ash Volatile matter Oxygen Fixed carbon Ash Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ? Water gas Natural gas Producer gas Blast furnace gas Water gas Natural gas Producer gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A gaseous fuel in order to develop luminousity on burning, must contain Oxygen Carbon monoxide Hydrocarbons Hydrogen Oxygen Carbon monoxide Hydrocarbons Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is coking? Fussain Vitrain Neither A nor B Both A & B Fussain Vitrain Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal Remains unaltered Decreases Increases May increase or decrease (depends on the method of storage) Remains unaltered Decreases Increases May increase or decrease (depends on the method of storage) ANSWER DOWNLOAD EXAMIANS APP