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 °F 200 °R 200 °C 200 °K 200 °F 200 °R 200 °C 200 °K ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products are __________ recovered in 'Beehive ovens'. Not at all Partially Negligibly Fully Not at all Partially Negligibly Fully ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a product of tar distillation? Anthracene & creosote Benzol & pitch Phenol & naphthalene None of these Anthracene & creosote Benzol & pitch Phenol & naphthalene None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. Increases Decreases May increase or decrease depending on the type of fuel Remains same Increases Decreases May increase or decrease depending on the type of fuel Remains same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 350 to 450 550 to 650 700 to 850 100 to 150 350 to 450 550 to 650 700 to 850 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pensky-Marten apparatus is used for those oils, whose flash points are __________ °F. >120 90-110 >120 90-110 ANSWER DOWNLOAD EXAMIANS APP