Fuels and Combustion The main drawback of supplying more excess air in the combustion of fuel is the Excessive power requirement of air blower Enhanced sensible heat loss in the flue gas High exit flue gas temperature from the furnace Intermittant and uncontrolled combustion of the fuel Excessive power requirement of air blower Enhanced sensible heat loss in the flue gas High exit flue gas temperature from the furnace Intermittant and uncontrolled combustion of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal, the Yield of tar is about 3% of dry coal Volatile matter in coke is zero Yield of coke oven gas is 290 Nm³ /ton dry coal Temperature maintained is 700°C Yield of tar is about 3% of dry coal Volatile matter in coke is zero Yield of coke oven gas is 290 Nm³ /ton dry coal Temperature maintained is 700°C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Artificial draught produced by a fan can be controlled by the Variation in the pitch of the fan blades All of these Speed of the fan Damper Variation in the pitch of the fan blades All of these Speed of the fan Damper ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Theoretical flame temperature of a fuel is that temperature which is attained, when the fuel is completely burnt 'using theoretical amount of air in Either A or C without gain or loss of heat Air Oxygen Either A or B Either A or C without gain or loss of heat Air Oxygen Either A or B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a product of tar distillation? Phenol & naphthalene Anthracene & creosote Benzol & pitch None of these Phenol & naphthalene Anthracene & creosote Benzol & pitch None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Ash content in the fuel Unburnt carbon in flue gases Flue gases Incomplete combustion Ash content in the fuel Unburnt carbon in flue gases Flue gases Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP