Fuels and Combustion When the coal is heated in absence of air, it is called its Gasification Deoxidation Carbonisation Coalification Gasification Deoxidation Carbonisation Coalification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures May increase or decrease ; depends on the quantity of products of combustion Remain unchanged Decrease Increase May increase or decrease ; depends on the quantity of products of combustion Remain unchanged Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Metallurgical coke Petroleum coke Foundary coke Beehive coke Metallurgical coke Petroleum coke Foundary coke Beehive coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is equal to the heat of formation Can't be known without calculating it Is always negative Is always positive Is equal to the heat of formation Can't be known without calculating it Is always negative Is always positive ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For every 10% increase in the excess air; the fuel consumption increases by __________ percent. 10 5 0.1 2 10 5 0.1 2 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main advantage of forced draft over natural draft is that All of these Combustion of fuel is complete Smaller height chimney can be used Furnace control is easier All of these Combustion of fuel is complete Smaller height chimney can be used Furnace control is easier ANSWER DOWNLOAD EXAMIANS APP