Fuels and Combustion The calorific value of natural gas is about __________ kcal/Nm³. 10, 000 35, 000 2500 25, 000 10, 000 35, 000 2500 25, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Grindability index of a coal is 100. It implies that the Coal can be pulverised with great difficulty Coal can't be pulverised Coal can be easily pulverised Power consumption in grinding the coal will be very high Coal can be pulverised with great difficulty Coal can't be pulverised Coal can be easily pulverised Power consumption in grinding the coal will be very high ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzene is used For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As an explosive As a perfume As a motor fuel For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As an explosive As a perfume As a motor fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be Data insufficient; can't be predicted Less More Same Data insufficient; can't be predicted Less More Same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens Produces larger size coke Increases the time of carbonisation None of these May damage its walls due to abrupt excessive swelling of coal Produces larger size coke Increases the time of carbonisation None of these May damage its walls due to abrupt excessive swelling of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Controlling the excess air Maintaining proper draft in the furnace Using low c.v. fuels Oxygen enrichment of combustion air Controlling the excess air Maintaining proper draft in the furnace Using low c.v. fuels Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
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