close

Sources of Energy-Vasu Classes

---

1. The relative charge and mass of an alpha particle is a) +2,4 b) 1,1 c) 1,2 d) -1,0

2. the mass of gama rays is a) 0 b) equal to neutron c) equal to proton d) equal to alpha particle

3. Isotopes are the atoms of the same element which have same atomic number but different a) protons b) electrons c) neutrons d) None

4. Which of the following is a fissile nucleus a) Pu-239 b) Pb-90 c) Kr-93 d) Mo-95

5. Working of Hydrogen bomb is based on a) Nuclear fission b) Nuclear fusion c) Uncontrolled nuclear fission d) None

6. Moderator used in a nuclear reactor is a) Boron b) Cadmium c) Uranium d) Graphite

7. The approximate temperature in the core of the sun is a) 10^7 K b) 6000 C c) 100000C d) 10000K

8. Which of the following does not have energy of Sun a) Wind energy b) Water energy c) Geothermal Energy d) Ocean Thermal Energy

9. Which of the following is not a fossil fuel a) Coal b) Dung Cakes c) Dielsel d) Uranium

10. The main constituent of bio gas is a) Butane b) Methane c) Propane d) Ethyne

11. Which fuel has the highest C.V a) Coal b) Dung Cakes c) Charcoal d) LPG

12. Bio Gas is produced by a) anaerobic fermentation b) destructive distillation c) fractional distillation d) Crystallisation

13. Spent slurry is used as a) manure b) Food for livestock c) fuel d) None

14. Which of the following is not an example of biomass energy source a) Wood b) Gobar gas c) Nuclear energy d) Coal

15. Energy crisis is due to a) depletion of the sources b) excessive use c) unearthing of resources d) all of the above

16. In what forms Solar energy is stored in the oceans a) Ocean thermal energy b) Tidal energy c) Sea wave energy d) Geo thermal energy

17. Wind is caused due to a) Uneven heating of the earth b) rotation of earth c) local conditions d) All of the above

18. Odd energy among the following is a) Petroleum b) coal c) Natural gas d) Geothermal

19. Chain Reaction is a a) Fission reaction b) Fusion reaction c) Sustanable reaction

20. Unavoidable activity in the production of electrical energy is the use of a) Coal b) Nuclear fission c) high rise dam d) turbine to rotate the coil

21. Solar energy can be stored in a) solar cells b) Batteries c) Wtae heaters d) Solar cookers

22. Renewable energy is preffered over the conventional energy as they are a) non-exhaustible b) costly c) highly efficient d) None

23. A fuel is good one if its ..................is high a) butane b) hexane c) Calorific value d) Methane

24. Hydrogen Bomb and Nuclear bomb are based on respectively a) fission and fusion b) fusion and fission c) fusion only d) fission only

25. Energy equivalent of one a.m.u is equal to a) 139 MeV b) 931 MeV c) 235 MeV d) 92 MeV

Time allowed:

Time remaining: