Nuclear Power Plants Mcqs - Set 3

1)   A nuclear fission produces energy of following order in MeV___________________?

a. 20
b. 200
c. 2000
d. 20,000
e. 2 x 10⁵
Answer  Explanation 

ANSWER: 200

Explanation:
No explanation is available for this question!


2)   The process by which a heavy nucleus is splitted into two light nuclei is known as_________________?

a. splitting
b. fission
c. fusion
d. disintegration
e. chain reaction
Answer  Explanation 

ANSWER: fission

Explanation:
No explanation is available for this question!


3)   The fast breeder reactor uses the following moderator__________________?

a. demineralised water
b. carbon dioxide
c. heavy water
d. graphite
e. no moderator is used
Answer  Explanation 

ANSWER: no moderator is used

Explanation:
No explanation is available for this question!


4)   The mass number of a substance represents the sum of total number of___________________?

a. protons and neutrons in an atom
b. protons and electrons in an atom
c. neutrons and electrons in an atom
d. protons and neutrons in a nucleus
e. protons and electrons in a nucleus
Answer  Explanation 

ANSWER: protons and neutrons in a nucleus

Explanation:
No explanation is available for this question!


5)   A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the atoms is_________________?

a. same
b. more
c. less
d. there is no such criterion
e. none of the above
Answer  Explanation 

ANSWER: more

Explanation:
No explanation is available for this question!


6)   Gas cooled reactor uses following materials as moderator, and coolant____________________?

a. graphite, C02
b. graphite, air
c. heavy water, C02
d. lead, H2
e. concrete, N2
Answer  Explanation 

ANSWER: graphite, C02

Explanation:
No explanation is available for this question!


7)   In nuclear fission each neutron that causes fission releases_______________?

a. no new neutron
b. at least one new neutron
c. one new neutron
d. more than one new neutrons
e. many-fold neutrons
Answer  Explanation 

ANSWER: more than one new neutrons

Explanation:
No explanation is available for this question!


8)   Which of the following particles is the lightest__________________?

a. nucleus
b. electron
c. proton
d. meson
e. neutron
Answer  Explanation 

ANSWER: electron

Explanation:
No explanation is available for this question!


9)   In fast breeder reactors___________________?

a. any type of moderator can be used
b. graphite is used as the moderator
c. heavy water is used as the moderator
d. moderator may or may not be used
e. moderator is dispensed with
Answer  Explanation 

ANSWER: moderator is dispensed with

Explanation:
No explanation is available for this question!


10)   Ferrite material is____________________?

a. the most fissionable material
b. the basic fuel for nuclear paints
c. basic raw material for nuclear plants
d. the material which absorbs neutrons and undergoes spontaneous changes leading to the formation of fissionable material
e. none of the above
Answer  Explanation 

ANSWER: the material which absorbs neutrons and undergoes spontaneous changes leading to the formation of fissionable material

Explanation:
No explanation is available for this question!