A moderator is used in nuclear reactor in order to ?

Related Mcqs:

1. Which element is used as moderator in nuclear reactor?

   A. Light water
   B. Dense water
   C. Fresh water
   D. Heavy water

   Submitted by: Farjan Ahmed Soomro

2. A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?

   A. Current
   B. Voltage
   C. Nuclear Radiation
   D. power
   E. None of these

3. In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ?

   A. Chemical Reaction
   B. Nuclear reaction
   C. Fission nuclear reaction
   D. Fusion nuclear reaction
   E. None of these

4. Fuel used in a Fast Breeder Reactor is _____________?

   A. Uranium Oxide
   B. Uranium Plutonium carbide
   C. Uranium Plutonium Oxide
   D. Uranium thorium Oxide
   E. None of these

5. Radioactive isotope of Uranium used in Nuclear Bomb is ?

   A. 92 U 235
   B. 92 U 234
   C. 92 U 233
   D. 92 U 238

6. Nuclear radiation is emitted by those elements whose:

   A. molecules are stable
   B. molecules are unstable
   C. nuclei are stable
   D. nuclei are unstable

   Submitted by: Mansoor Ul Haque

7. Which of the following is used to control rods in nuclear fission?

   A. Graphite
   B. Heavy Water
   C. Cadmium
   D. All of these

   Submitted by: Munwar Ali Sohu

8. The most suitable unit for expressing nuclear radius is_______?

   A. Angstrom
   B. Micro
   C. Nano meter
   D. Fermi

   Submitted by: Malik Asghar Hussain

9. Nuclear sizes are expressed in a unit named ?

   A. Tesla
   B. Force
   C. Fermi
   D. Newton

   Submitted by: Haziq

10. Which is correct order of solar system starting from Sun ?

    A. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
    B. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
    C. Mercury, Venus, Mars, Earth, Jupiter, Saturn, Neptune, Uranus
    D. Mercury, Venus, Earth, Jupiter, Mars, Saturn, Uranus, Neptune

    Submitted by: FAZAL ULLAH