Fuels and Combustion Presence of phosphorous in metallurgical coal Badly affects the quality of steel Is not undersirable Reduces its calorific value Increases its caking power Badly affects the quality of steel Is not undersirable Reduces its calorific value Increases its caking power ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high ash content Is harder and stronger Has higher calorific value Is not subjected to washing Has low quantity of mineral matter Is harder and stronger Has higher calorific value Is not subjected to washing Has low quantity of mineral matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of wood gas is about __________ kcal/Nm³. 5400 1500 3300 8500 5400 1500 3300 8500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of the gas produced from a gobar gas plant is CH₄ CO CO₂ H₂ CH₄ CO CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Produce stronger coke Require less time of carbonisation Produce smaller coke All of these Produce stronger coke Require less time of carbonisation Produce smaller coke All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Weathering of coal during storage causes Reduction in coal size Decrease in its caking capacity All of these Increase in its friability Reduction in coal size Decrease in its caking capacity All of these Increase in its friability ANSWER DOWNLOAD EXAMIANS APP
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