Fuels and Combustion Turndown ratio of a gas burner is equal to the Maximum to minimum heat input ratio Both A & B Minimum to maximum heat input ratio Maximum to minimum permissible gas flow rate Maximum to minimum heat input ratio Both A & B Minimum to maximum heat input ratio Maximum to minimum permissible gas flow rate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C. 30 120 180 65 30 120 180 65 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is used for making Unsaturated polyesters All of these Insecticides (e.g. moth balls) Drug intermediates e.g. β-naphthol Unsaturated polyesters All of these Insecticides (e.g. moth balls) Drug intermediates e.g. β-naphthol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ of the coal is the basis for Seylor's coal classification. Ultimate analysis Calorific value Proximate analysis Caking index Ultimate analysis Calorific value Proximate analysis Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Compound coke ovens are those which can be heated by Lean gas (e.g., B.F. gas) Both steam and electrical power Both B and C Rich gas (e.g., coke oven gas) Lean gas (e.g., B.F. gas) Both steam and electrical power Both B and C Rich gas (e.g., coke oven gas) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 6000 8000 1000 4000 6000 8000 1000 4000 ANSWER DOWNLOAD EXAMIANS APP