Fuels and Combustion As time passes, the calorific value of stored coal Decreases Increases Remains unaltered May increase or decrease (depends on the method of storage) Decreases Increases Remains unaltered May increase or decrease (depends on the method of storage) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzene is used As an explosive As a motor fuel As a perfume For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As an explosive As a motor fuel As a perfume For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the temperature of carbonisation of coal Methane content in the coke oven gas decreases and carbon monoxide content increases All of these Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not compensated by increase in CO & H? content Hydrogen content of coke oven gas increases due to cracking of hydrocarbons Methane content in the coke oven gas decreases and carbon monoxide content increases All of these Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not compensated by increase in CO & H? content Hydrogen content of coke oven gas increases due to cracking of hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content, has lower Ignition temperature Chance of catching fire during storage in open space Coke oven gas yield on carbonisation Smoking tendency on burning Ignition temperature Chance of catching fire during storage in open space Coke oven gas yield on carbonisation Smoking tendency on burning ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Calorific value Both A & B Neither A nor B Caking power Calorific value Both A & B Neither A nor B Caking power ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bunsen burner is an example of a/an __________ burner. Rotary cup Outside mixing/diffusion flame/nozzle mix type Inside mixing/premix type Submerged combustion Rotary cup Outside mixing/diffusion flame/nozzle mix type Inside mixing/premix type Submerged combustion ANSWER DOWNLOAD EXAMIANS APP
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