Fuels and Combustion Which of the following would require maximum amount of % excess air for complete combustion? Coke oven gas Furnace oil Lump coal (fixed on chain grate) Pulverised coal Coke oven gas Furnace oil Lump coal (fixed on chain grate) Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross heating value of coal is __________ the net heating value. Same as None of these Lower than Higher than Same as None of these Lower than Higher than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Oxygen enrichment of combustion air Controlling the excess air Maintaining proper draft in the furnace Using low c.v. fuels Oxygen enrichment of combustion air Controlling the excess air Maintaining proper draft in the furnace Using low c.v. fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cuprous chloride used in orsat apparatus can absorb Both CO and CO₂ All of these Only CO Both CO and O₂ Both CO and CO₂ All of these Only CO Both CO and O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature? Heat transfer rate to the stock in the furnace Calorific value of the fuel Speed of combustion of fuel Flame temperature achieved Heat transfer rate to the stock in the furnace Calorific value of the fuel Speed of combustion of fuel Flame temperature achieved ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is removed from coke oven gas by Scrubbing with wash oil (a petroleum product) Adsorbing on bog iron bed Absorbing in vetro-coke solution None of these Scrubbing with wash oil (a petroleum product) Adsorbing on bog iron bed Absorbing in vetro-coke solution None of these ANSWER DOWNLOAD EXAMIANS APP
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