Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Decreases the abrasion resistance of coke Causes brittleness in steel None of these Decreases the hardness of coke Decreases the abrasion resistance of coke Causes brittleness in steel None of these Decreases the hardness of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Very __________ coals are completely devoid of cokability i.e, it is non coking. Young Mature Both A & B Neither A nor B Young Mature Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value as determined by bomb calorimeter is the Net calorific value at constant volume Lower calorific value at constant pressure Higher calorific value at constant volume Gross calorific value at constant pressure Net calorific value at constant volume Lower calorific value at constant pressure Higher calorific value at constant volume Gross calorific value at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High pressure coal gasification is employed in __________ process. None of these Lurgi Winkler Kopper-Totzek None of these Lurgi Winkler Kopper-Totzek ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame velocity? CO C₂H₆ H₂ CH₄ CO C₂H₆ H₂ CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of natural gas is H₂ CH₄ (upto 90%) C₂H₆ C₃H₈ H₂ CH₄ (upto 90%) C₂H₆ C₃H₈ ANSWER DOWNLOAD EXAMIANS APP
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