Fuels and Combustion Bunsen burner is an example of a/an __________ burner. Inside mixing/premix type Rotary cup Outside mixing/diffusion flame/nozzle mix type Submerged combustion Inside mixing/premix type Rotary cup Outside mixing/diffusion flame/nozzle mix type Submerged combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of natural gas is about __________ kcal/Nm³. 25, 000 35, 000 10, 000 2500 25, 000 35, 000 10, 000 2500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in Prevention of clinker formation in the oven All of these Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Controlling the dust nuisance while charging the coal Prevention of clinker formation in the oven All of these Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Controlling the dust nuisance while charging the coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The fuel ratio of a coal is The ratio of its percentage of fixed carbon to that of volatile matter Both A and B Neither A nor B Helpful in estimation of its rank The ratio of its percentage of fixed carbon to that of volatile matter Both A and B Neither A nor B Helpful in estimation of its rank ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to All of these Incomplete combustion Dry gas/stack gas loss Moisture loss All of these Incomplete combustion Dry gas/stack gas loss Moisture loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wobbe index' is a characteristic of Liquid fuels Solid fuels Gaseous fuels Fat coals Liquid fuels Solid fuels Gaseous fuels Fat coals ANSWER DOWNLOAD EXAMIANS APP
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