Free Printable Thermal Power Sation & Nuclear Power Station

1.

1. The efficiency of a nuclear power plant in comparsion to a conventional thermal power plant is

a)

(a) same

b)

(b) more

c)

(c) less

d)

(d) may be less or mote depending on size

2.

2. Isotopes of same elements have

a)

(a) same atomic number and different mas-ses

b)

(b) same chemical properties but different atomic numbers

c)

(c) different masses and different atomic numbers

d)

(d) different chemical properties and same atomic numbers

3.

3. Atomic number of an element in the periodic table represents the numbers of

a)

(a) protons in the nucleus

b)

(b) electrons in me nucleus

c)

(c) neutrons in the nucleus

d)

(d) electrons in the atom

4.

4. The mass number of a substance represents the sum of total number of

a)

(a) protons and neutrons in an atom

b)

(b) protons and electrons in an atom

c)

(c) neutrons and electrons in an atom

d)

(d) protons and neutrons in a nucleus

5.

5. Which is not identical for an atom and an isotope

a)

(a) mass number

b)

(b) atomic number

c)

(c) chemical properties

d)

(d) position in periodic table

6.

6. The most commonly used moderator in nuclear plants is

a)

(a) heavy water

b)

(b) graphite

c)

(c) concrete and bricks

d)

(d) deutrium

7.

7. The number of isotopes of hydrogen are

a)

(a) 1

b)

(b) 2

c)

(c) 3

d)

(d) 6

8.

8. Which of the following particles is the lightest

a)

(a) nucleus

b)

(b) electron

c)

(c) proton

d)

(d) neutron.

9.

9. Which of the following is the heaviest

a)

(a) neutron

b)

(b) proton

c)

(c) atom

d)

(d) electron

10.

(10) The process by which a heavy nucleus is splitted into two light nuclei is known as

a)

(a) splitting

b)

(b) fission

c)

(c) fusion

d)

(d) disintegration

11.

10. A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the atoms is

a)

(a) same

b)

(b) more

c)

(c) there is no such criterion

d)

(d) none of the above

12.

12. The first unclear power plant in India is located at

a)

(a) Kota

b)

(b) Kalapakkam

c)

(c) Tarapur

d)

(d) Baraeilly

13.

13.Electron-volt is the unit of

a)

(a) atomic power

b)

(b) energy

c)

(c) voltage

d)

(d) radio activity

14.

14. The unit of radio-activity is

a)

(a) electron-volt

b)

(b) electron-ampere

c)

(c) curie

d)

(d) MeV

15.

15. Which of the following is the primary fuel

a)

(a) Ulii

b)

(b) U

c)

(b) U

d)

(d) Pu:

Thermal Power Sation & Nuclear Power Station

Total questions: 15

Worksheet time: 8mins

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