Fuels and Combustion For maximum discharge through a chimney, its height should be More than 105.7 metres Infinitely long Equal to the height of the hot gas column producing draught 200 meters More than 105.7 metres Infinitely long Equal to the height of the hot gas column producing draught 200 meters ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal that softens and fuses on heating is Non-caking Classified Caking Carbonised Non-caking Classified Caking Carbonised ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Spontaneous combustion of coal on storage results due to Inadequate ventilation Storage in large heaps with small surface to volume ratio All of these Low temperature oxidation Inadequate ventilation Storage in large heaps with small surface to volume ratio All of these Low temperature oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a lean fuel gas? Natural gas Coke oven gas LPG Blast furnace gas Natural gas Coke oven gas LPG Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a product of tar distillation? None of these Anthracene & creosote Phenol & naphthalene Benzol & pitch None of these Anthracene & creosote Phenol & naphthalene Benzol & pitch ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Use of pure oxygen for combustion instead of air Increase in gas pressure All of these Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air Increase in gas pressure All of these Increase in temperature (i.e. preheating) ANSWER DOWNLOAD EXAMIANS APP