Fuels and Combustion Grindability index of a coal is 100. It implies that the Power consumption in grinding the coal will be very high Coal can be pulverised with great difficulty Coal can be easily pulverised Coal can't be pulverised Power consumption in grinding the coal will be very high Coal can be pulverised with great difficulty Coal can be easily pulverised Coal can't be pulverised ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between gross and net calorific value will be minimum in case of Natural gas Coke oven gas Water gas Blast furnace gas Natural gas Coke oven gas Water gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 8 18 80 48 8 18 80 48 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Reducing sulphur content in the fuel Adopting proper fuel firing technique & fuel preparation Supplying correct amount of combustion air Preheating of fuel gases & combustion air Reducing sulphur content in the fuel Adopting proper fuel firing technique & fuel preparation Supplying correct amount of combustion air Preheating of fuel gases & combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of MgO & Na₂CO₃ MgSO₄ & BaCl₂ MgCO₃ & NaCl BaSO₄ & NaCl MgO & Na₂CO₃ MgSO₄ & BaCl₂ MgCO₃ & NaCl BaSO₄ & NaCl ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Spontaneous combustion of coal on storage results due to Storage in large heaps with small surface to volume ratio Low temperature oxidation Inadequate ventilation All of these Storage in large heaps with small surface to volume ratio Low temperature oxidation Inadequate ventilation All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS