Fuels and Combustion Which of the following would require least amount of secondary air for combustion? Bituminous coal containing 20% ash and 25% volatile matter Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Bituminous coal containing 20% ash and 25% volatile matter Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of a coal is a measure of its Agglutinating (binding) properties Reactivity Abradability Porosity Agglutinating (binding) properties Reactivity Abradability Porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene recovered from coke oven gas is used As moth balls (insecticides) For making electrodes As a fuel in furnaces As moisture proof coating on fibres As moth balls (insecticides) For making electrodes As a fuel in furnaces As moisture proof coating on fibres ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion While the first commercial low temperature coal carbonisation plant is located at Neyveli (in Chennai), the second such plant has been built at Dhanbad Dankuni (West Bengal) Raniganj Singreni (AP.) Dhanbad Dankuni (West Bengal) Raniganj Singreni (AP.) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal resulting from bad storage conditions does not decrease its Calorific value Hydrogen content Oxygen content Caking power Calorific value Hydrogen content Oxygen content Caking power ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuel - 200 (CTF 200) is a mixture of Light oil and pitch Solar oil and pitch Pitch and creosote oil Anthracene and crecosote oil Light oil and pitch Solar oil and pitch Pitch and creosote oil Anthracene and crecosote oil ANSWER DOWNLOAD EXAMIANS APP
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