Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Both A & B Neither A nor B Lower hydrogen content Higher calorific value Both A & B Neither A nor B Lower hydrogen content Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Spontaneous combustion of coal on storage results due to Inadequate ventilation All of these Low temperature oxidation Storage in large heaps with small surface to volume ratio Inadequate ventilation All of these Low temperature oxidation Storage in large heaps with small surface to volume ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen. Lower than Same as Not related to Higher than Lower than Same as Not related to Higher than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific values of both the solid as well as the liquid fuels can be determined by __________ calorimeter. Boy's Bomb None of these Junkar's Boy's Bomb None of these Junkar's ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Grindability index of a coal is 100. It implies that the Coal can be easily pulverised Power consumption in grinding the coal will be very high Coal can't be pulverised Coal can be pulverised with great difficulty Coal can be easily pulverised Power consumption in grinding the coal will be very high Coal can't be pulverised Coal can be pulverised with great difficulty ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about____°C. 85 70 145 105 85 70 145 105 ANSWER DOWNLOAD EXAMIANS APP
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