Fuels and Combustion Which of the following is called "blue gas"? Water gas Natural gas Coke oven gas Producer gas Water gas Natural gas Coke oven gas Producer gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Decrease in its calorific value Brittleness of steel made by using it None of these Increase in its strength Decrease in its calorific value Brittleness of steel made by using it None of these Increase in its strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent. 24 18 6 12 24 18 6 12 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Controlling the excess air Maintaining proper draft in the furnace Oxygen enrichment of combustion air Using low c.v. fuels Controlling the excess air Maintaining proper draft in the furnace Oxygen enrichment of combustion air Using low c.v. fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Colour Ash content Moisture content Volatile matter Colour Ash content Moisture content Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about____°C. 70 85 145 105 70 85 145 105 ANSWER DOWNLOAD EXAMIANS APP
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