1. . Materials used for production of heat energy are called:
(A) Fuel
(B) Combustion
(C) Primary fuel
(D) Secondary fuel
2. . Combustible substance that produces heat on burning is called:
(A) Fuel
(B) Combustion
(C) Primary fuel
(D) Secondary fuel
3. . Which one is an artificial or derived fuel:
(A) Natural gas
(B) Petroleum
(C) Kerosene oil
(D) Coal
4. . Wood, Sui gas and petroleum are examples of:
(A) Fuel
(B) Combustion
(C) Primary fuel
(D) Secondary fuel
5. . Coke, petrol and water gas are examples of:
(A) Fuel
(B) Combustion
(C) Primary fuel
(D) Secondary fuel
6. . Depending upon the physical state of the fuel it can be divided into groups:
(A) 2
(B) 3
(C) 4
(D) 5
7. . The calorific value of _______ is 8650-8700 Kcal/Kg:
(A) Dry wood
(B) Anthracite coal
(C) Lignite
(D) Peat
8. . Petrol is also called:
(A) Gasoline
(B) Diesel
(C) Heavy oil
(D) Benzoyl
9. . The fuel _______ is used as mobile oil:
(A) Gasoline
(B) Diesel
(C) Heavy oil
(D) Benzoyl
10. . ________ contains methane about 85%:
(A) Natural gas
(B) Water gas
(C) Oil gas
(D) Biogas
11. . ________ gas is produced from buffalo waste or dung:
(A) Natural gas
(B) Water gas
(C) Oil gas
(D) Biogas
12. . The word LPG stands for ________ gas:
(A) Natural
(B) Water
(C) Oil
(D) Liquefied Petroleum
13. . Production of heat and light along a chemical change is called:
(A) Combustion
(B) Production
(C) Heating
(D) Fuel
14. . The burnable substances are called:
(A) Combustion
(B) Combustibles
(C) Combustion supporters
(D) Fuel
15. . The unit of heat in S.I. system is:
(A) Calorie
(B) Kilocalorie
(C) Calorific value
(D) BTU