Fuels and Combustion A coal with high ash content Is not subjected to washing Has higher calorific value Is harder and stronger Has low quantity of mineral matter Is not subjected to washing Has higher calorific value Is harder and stronger Has low quantity of mineral matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Washing fine coal dust (< 0.5 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash Washing lump coal (> 80 mm size) All of these Washing fine coal dust (< 0.5 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash Washing lump coal (> 80 mm size) All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of L.D. converter gas is about __________ Kcal/Nm³ . 4500 800 1800 10000 4500 800 1800 10000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind? 85 70 50 100 85 70 50 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a poisonous fuel gas? None of these Natural gas Blast furnace gas Coke oven gas None of these Natural gas Blast furnace gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of both the solid & liquid fuels can be determined by using __________ calorimeter. None of these Bomb Junker's Boy's None of these Bomb Junker's Boy's ANSWER DOWNLOAD EXAMIANS APP
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