Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Shallow and small piles Large heaps with small surface to volume ratio Closed space without any ventilation facility Fine sizes without the presence of any lump Shallow and small piles Large heaps with small surface to volume ratio Closed space without any ventilation facility Fine sizes without the presence of any lump ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of Too much air for combustion Correct amount of air for combustion Pulverised coal in boilers Less air for combustion Too much air for combustion Correct amount of air for combustion Pulverised coal in boilers Less air for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of of blast furnace gas is around __________ KCal/Nm³. 1800 850 4200 6500 1800 850 4200 6500 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. 105 85 70 145 105 85 70 145 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Optimum preheating temperature for pitch creosote mixture (PCM) which is also termed as C.T.F-200, before atomisation through burners is 200 °C 200 °R 200 °K 200 °F 200 °C 200 °R 200 °K 200 °F ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Carbon Content by weight in air dried wood may be about __________ percent. 10 50 80 25 10 50 80 25 ANSWER DOWNLOAD EXAMIANS APP