Fuels and Combustion Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind? 50 70 85 100 50 70 85 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Critical Air Blast (CAB) value of coke is a direct measure of its Reactivity Hardness Strength None of these Reactivity Hardness Strength None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter can be used to determine the __________ of the coal. Calorific value Sulphur content Both A & B Neither A nor B Calorific value Sulphur content Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the Coke oven battery heating Steel ladle drying Mixing with blast furnace gas Hot scarfing of steel slabs Coke oven battery heating Steel ladle drying Mixing with blast furnace gas Hot scarfing of steel slabs ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Blast furnace gas Natural gas Sewage gas Coke oven gas Blast furnace gas Natural gas Sewage gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Increases its consumption in the furnace Does not affect its consumption in the furnace Reduces its consumption in the furnace Decreases its hardness and abrasion resistance Increases its consumption in the furnace Does not affect its consumption in the furnace Reduces its consumption in the furnace Decreases its hardness and abrasion resistance ANSWER DOWNLOAD EXAMIANS APP
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