NUCLEAR POWER ENGINEERING QUIZ

Which of the following is the best nuclear fuel?

Np- 239

Pu-239

U-234

Th-236

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ have the same mass number, but different nuclear charge.

Isotones

None of these

Isobars

Isotopes

TRUE ANSWER : ?
YOUR ANSWER : ?

The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second.

4400

3300

2200

1100

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one is different for the neutral atoms of the isotopes of an element?

Atomic weights

Number of electrons

Atomic numbers

Number of protons

TRUE ANSWER : ?
YOUR ANSWER : ?

Hydrogen has __________ isotopes.

No

Two

Three

One

TRUE ANSWER : ?
YOUR ANSWER : ?

Absorption/scattering cross-section of an element is expressed in "barn", which is equivalent to

10⁻¹² cm

10⁻²⁴ cm

10⁻²⁴ cm²

1 Angstrom

TRUE ANSWER : ?
YOUR ANSWER : ?

Nuclear power plant is not located at

Kalpakkam (Tamilnadu

Kaiga (Karnataka)

Talcher (Orissa)

Rawatbhata (Rajasthan)

TRUE ANSWER : ?
YOUR ANSWER : ?

The half life period of a radioactive element depends upon the

Temperature

Pressure

None of these

Amount of element present

TRUE ANSWER : ?
YOUR ANSWER : ?

The mass number of an element is equal to the number of __________ in the nucleus.

Neutrons

Neutrons plus protons (i.e., nucleons)

Protons

Electrons

TRUE ANSWER : ?
YOUR ANSWER : ?

The disintegration rate of a radioactive element

Progressively decreases

Progressively increases

May increase or decrease depending on the material

Remains constant throughout

TRUE ANSWER : ?
YOUR ANSWER : ?

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