Fuels and Combustion Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker. 1250 1400 1100 1350 1250 1400 1100 1350 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Safe condition for storage of high V.M. bituminous coal is that Both A and B Maximum 200 tons should be stored in a heap Height of the coal heap should be < 3 metres Neither A nor B Both A and B Maximum 200 tons should be stored in a heap Height of the coal heap should be < 3 metres Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The reaction, C + CO₂ ⟷ 2CO, taking place during coal gasification is called the __________ reaction. n. Shift conversion Reduction Boudouard Neumann reversal Shift conversion Reduction Boudouard Neumann reversal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Closed space without any ventilation facility Large heaps with small surface to volume ratio Fine sizes without the presence of any lump Shallow and small piles Closed space without any ventilation facility Large heaps with small surface to volume ratio Fine sizes without the presence of any lump Shallow and small piles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Preheating of fuel gases & combustion air Reducing sulphur content in the fuel Supplying correct amount of combustion air Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Reducing sulphur content in the fuel Supplying correct amount of combustion air Adopting proper fuel firing technique & fuel preparation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of benzol are Benzene, toluene & xylene Ammonia & phenol Anthracene & phenol Tar & creosote Benzene, toluene & xylene Ammonia & phenol Anthracene & phenol Tar & creosote ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS