Fuels and Combustion Which of the following has the highest calorific value (kcal/Nm³) ? Carburetted water gas Natural gas Gobar gas LPG Carburetted water gas Natural gas Gobar gas LPG ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is used for making All of these Insecticides (e.g. moth balls) Unsaturated polyesters Drug intermediates e.g. β-naphthol All of these Insecticides (e.g. moth balls) Unsaturated polyesters Drug intermediates e.g. β-naphthol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Optimum preheating temperature for pitch creosote mixture (PCM) which is also termed as C.T.F-200, before atomisation through burners is 200 °C 200 °R 200 °K 200 °F 200 °C 200 °R 200 °K 200 °F ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require least amount of secondary air for combustion? Semi-bituminous coal containing 25% ash and 20% volatile matter Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter Bituminous coal containing 20% ash and 25% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter Bituminous coal containing 20% ash and 25% volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross heating value of coal is __________ the net heating value. None of these Lower than Higher than Same as None of these Lower than Higher than Same as ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces Soft coke Metallurgical coke No by-products Very low calorific value coke oven gas Soft coke Metallurgical coke No by-products Very low calorific value coke oven gas ANSWER DOWNLOAD EXAMIANS APP