Fuels and Combustion Grindability index of a coal is 100. It implies that the Coal can't be pulverised Power consumption in grinding the coal will be very high Coal can be easily pulverised Coal can be pulverised with great difficulty Coal can't be pulverised Power consumption in grinding the coal will be very high Coal can be easily pulverised Coal can be pulverised with great difficulty ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. Less Equal More More or less ; (depends on the state of fuel.) Less Equal More More or less ; (depends on the state of fuel.) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Controlling the excess air Maintaining proper draft in the furnace Oxygen enrichment of combustion air Using low c.v. fuels Controlling the excess air Maintaining proper draft in the furnace Oxygen enrichment of combustion air Using low c.v. fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is used for making the explosive 'TNT'? Pyridine Toluene Cerosote Benzol Pyridine Toluene Cerosote Benzol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during None of these Its pulverisation (as it requires more power) Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates None of these Its pulverisation (as it requires more power) Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Supplying correct amount of combustion air Preheating of fuel gases & combustion air Adopting proper fuel firing technique & fuel preparation Reducing sulphur content in the fuel Supplying correct amount of combustion air Preheating of fuel gases & combustion air Adopting proper fuel firing technique & fuel preparation Reducing sulphur content in the fuel ANSWER DOWNLOAD EXAMIANS APP
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