Fuels and Combustion 'Fuel' can be defined as a substance which produces heat by Combustion Nuclear fusion Nuclear fission All of these Combustion Nuclear fusion Nuclear fission All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 60-65 95-100 25-30 3-5 60-65 95-100 25-30 3-5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Grindability index of a coal is 100. It implies that the Coal can be pulverised with great difficulty Power consumption in grinding the coal will be very high Coal can't be pulverised Coal can be easily pulverised Coal can be pulverised with great difficulty Power consumption in grinding the coal will be very high Coal can't be pulverised Coal can be easily pulverised ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. May increase or decrease, depends on combustibles Increases Remains constant Decreases May increase or decrease, depends on combustibles Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Incomplete combustion Dry gas/stack gas loss Moisture loss All of these Incomplete combustion Dry gas/stack gas loss Moisture loss All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) Washing lump coal (> 80 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) Washing lump coal (> 80 mm size) All of these ANSWER DOWNLOAD EXAMIANS APP
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