Fuels and Combustion A travelling grate stoker is meant for the efficient burning of __________ coal. Pulverised Non-caking High ash Caking Pulverised Non-caking High ash Caking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke Should have low fusion point of its ash Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should be brittle Should have high porosity Should have low fusion point of its ash Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should be brittle Should have high porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the dew point of flue gases Increases Remains same May increase or decrease ; depends on the type of fuel Decreases Increases Remains same May increase or decrease ; depends on the type of fuel Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Lime and magnesia Iron sulphate All of these Iron silicate Lime and magnesia Iron sulphate All of these Iron silicate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is No possibility of obtaining complete combustion at high temperature Both A & B Always loss of heat from the flame Neither A nor B No possibility of obtaining complete combustion at high temperature Both A & B Always loss of heat from the flame Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Petroleum coke Beehive coke Foundary coke Metallurgical coke Petroleum coke Beehive coke Foundary coke Metallurgical coke ANSWER DOWNLOAD EXAMIANS APP
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