Fuels Combustion MCQs – Chapter 15 DAE 15 min Score: 0 Attempted: 0/15 Subscribe 1. Materials used for production of heat energy are called (A) Combustion (B) Fuel (C) Primary fuel (D) Secondary fuelShow All Answers 2. Combustible substance produce heat on burning is called (A) Combustion (B) Fuel (C) Primary fuel (D) Secondary fuelShow All Answers 3. Which one is an artificial or derived fuel (A) Natural gas (B) Petroleum (C) Coal (D) Kerosene oilShow All Answers 4. Wood, sui gas and petroleum are the examples of (A) Fuel (B) Combustion (C) Primary fuel (D) Secondary fuelShow All Answers 5. Coke, petrol and water gas are the examples of (A) Secondary fuel (B) Combustion (C) Primary fuel (D) FuelShow All Answers 6. Depending upon the physical state of the fuel it can be divided into groups (A) 2 (B) 5 (C) 4 (D) 3Show All Answers 7. The calorific value of _______ is 8650-8700 Kcal/Kg (A) Dry wood (B) Lignite (C) Anthracite coal (D) PeatShow All Answers 8. The petrol is also called_______ (A) Gasoline (B) Diesel (C) Heavy oil (D) BenzoylShow All Answers 9. The fuel _______ is used as mobile oil (A) Gasoline (B) Heavy oil (C) Diesel (D) BenzoylShow All Answers 10. ________ contains methane about 85% (A) Natural gas (B) Water gas (C) Oil gas (D) BiogasShow All Answers 11. ________ gas is produced from the buffalo waste or dung (A) Natural gas (B) Biogas (C) Oil gas (D) Water gasShow All Answers 12. The word LPG stands for________ gas. (A) Liquefied petroleum (B) Water (C) Oil (D) NaturalShow All Answers 13. Production of heat, light along a chemical change is called (A) Heating (B) Production (C) Combustion (D) FuelShow All Answers 14. The burnable substances are called (A) Combustibles (B) Combustion (C) Combustion supporters (D) FuelShow All Answers 15. The unit of heat in S.I system is (A) Calorie (B) BTU (C) Calorific value (D) KilocalorieShow All Answers