Page 1 of 2

DPP NO. 16

TOPIC : SOURCE OF ENERGY

1. Heat liberated per gram of a fuel is called :

(A) Calorific value (B) Mass value

(C) Heating value (D) both (A) and (C)

2. SI unit of calorific value is :

(A) J (B) J/kg (C) kg (D) none of these

3. Which of the following has least calorific value :

(A) alcohol (B) biogas (C) wood (D) coal

4. Which of the following fuel is different from others ?

(A) Water gas (B) Coal gas

(C) Producer gas (D) Coke

5. Most of the fuels are :

(A) Carbon compounds with sulphur (B) Nitrogen compounds with carbon

(C) Carbon compounds with hydrogen (D) None of these

6. Gobar gas is a

(A) solid fuel (B) liquid fuel (C) gas fuel (D) none of these

7. Which of the following is not a solid fuel :

(A) coke (B) coal (C) charcoal (D) kerosene

8. The wind energy map gives information about the :

(A) Cause of wind (B) Intensity of earth quake

(C) Amount of rainfall (D) None of these

9. Energy possessed by flowing water is :

(A) Kinetic energy (B) Potential energy

(C) Heat energy (D) None of these

10. The device used for generating electricity from wind energy is called :

(A) Wind turbine (B) Wind motor

(C) Wind generator (D) Wind mill

11. What is the major difference between renewable SOE and non renewable SOE ?

12. Give any three characteristics of fuel.

13. Sources producing inexhaustible energy are called ...........................................................sources.

14. Sources producing exhaustible energy are called ........................................................... sources.

15. Explain why coal and petroleum are classified as non renewable SOE.

Page 2 of 2

DPP NO. 16

TOPIC : SOURCE OF ENERGY

1.

D 2.

B 3.

C 4.

D 5.

C 6.

C 7.

D

8.

A 9.

A 10.

C