Fuels and Combustion High excess air in combustion of fuels results in Increased fuel consumption Smoky flame None of these Incomplete combustion Increased fuel consumption Smoky flame None of these Incomplete combustion 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? 100 70 85 50 100 70 85 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Spontaneous combustion of coal on storage results due to All of these Inadequate ventilation Storage in large heaps with small surface to volume ratio Low temperature oxidation All of these Inadequate ventilation Storage in large heaps with small surface to volume ratio Low temperature oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Calorific value Type (solid, liquid or gaseous) Ignition temperature Sulphur content Calorific value Type (solid, liquid or gaseous) Ignition temperature Sulphur content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C. 280-300 250-270 80-170 200-300 280-300 250-270 80-170 200-300 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of natural gas is C₃H₈ CH₄ (upto 90%) C₂H₆ H₂ C₃H₈ CH₄ (upto 90%) C₂H₆ H₂ ANSWER DOWNLOAD EXAMIANS APP
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