Fuels and Combustion Mott and Wheeler test is conducted on coke to find its Volatile matter content Abradability Phosphorus content Reactivity with O₂ Volatile matter content Abradability Phosphorus content Reactivity with O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cuprous chloride used in orsat apparatus can absorb Both CO and O₂ Both CO and CO₂ All of these Only CO Both CO and O₂ Both CO and CO₂ All of these Only CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will Increase or decrease depending on the fuel type Not change Decrease Increase Increase or decrease depending on the fuel type Not change Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter content (M) and ash content (A) in coal are approximately related as M = A M = 2A M = 1.5A M = 1.1A M = A M = 2A M = 1.5A M = 1.1A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its calorific value tremendously It reduces its flame temperature tremendously There are chances of explosion during preheating The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its calorific value tremendously It reduces its flame temperature tremendously There are chances of explosion during preheating ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 48 80 18 8 48 80 18 8 ANSWER DOWNLOAD EXAMIANS APP
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